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<li class="navelem"><a class="el" href="dir_e5fbe6d2783ccd4c93c7856d92d7be6e.html">GitHub</a></li><li class="navelem"><a class="el" href="dir_397a095372f04465e811d0ee219bbf8f.html">USB_Host_Shield_2.0</a></li> </ul>
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<div class="title">Usb.cpp</div> </div>
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<a href="_usb_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"></span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">This software may be distributed and modified under the terms of the GNU</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">General Public License version 2 (GPL2) as published by the Free Software</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">Foundation and appearing in the file GPL2.TXT included in the packaging of</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">this file. Please note that GPL2 Section 2[b] requires that all works based</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">on this software must also be made publicly available under the terms of</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">the GPL2 ("Copyleft").</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">Contact information</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">-------------------</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">Circuits At Home, LTD</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">Web : http://www.circuitsathome.com</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">e-mail : support@circuitsathome.com</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/* USB functions */</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="avrpins_8h.html">avrpins.h</a>"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="max3421e_8h.html">max3421e.h</a>"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="usbhost_8h.html">usbhost.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="_usb_8h.html">Usb.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#if defined(ARDUINO) && ARDUINO >=100</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#include "Arduino.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#include <WProgram.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">static</span> uint8_t usb_error = 0;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">static</span> uint8_t usb_task_state;</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/* constructor */</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a8ff8cd03496bdcb0ca26f18878ad299d"> 34</a></span> <a class="code" href="class_u_s_b.html#a8ff8cd03496bdcb0ca26f18878ad299d">USB::USB</a>() : bmHubPre(0) {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  usb_task_state = <a class="code" href="_usb_8h.html#a60a744d0f1386e4b28053a41bd6a958f">USB_DETACHED_SUBSTATE_INITIALIZE</a>; <span class="comment">//set up state machine</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  init();</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/* Initialize data structures */</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">void</span> USB::init() {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">//devConfigIndex = 0;</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  bmHubPre = 0;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a1c1aad8269403bf488e3bc4c79886ce4"> 45</a></span> uint8_t <a class="code" href="class_u_s_b.html#a1c1aad8269403bf488e3bc4c79886ce4">USB::getUsbTaskState</a>(<span class="keywordtype">void</span>) {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> ( usb_task_state);</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a8ff697d334dc611720419374acd1e5fb"> 49</a></span> <span class="keywordtype">void</span> <a class="code" href="class_u_s_b.html#a8ff697d334dc611720419374acd1e5fb">USB::setUsbTaskState</a>(uint8_t state) {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  usb_task_state = state;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a59ee57083ba492d87ff2947547848d58"> 53</a></span> <a class="code" href="struct_ep_info.html">EpInfo</a>* <a class="code" href="class_u_s_b.html#a59ee57083ba492d87ff2947547848d58">USB::getEpInfoEntry</a>(uint8_t addr, uint8_t ep) {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="struct_usb_device.html">UsbDevice</a> *p = addrPool.<a class="code" href="class_address_pool_impl.html#aa3e12dda249ef6acbb27592fc8fe1cba">GetUsbDevicePtr</a>(addr);</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (!p || !p-><a class="code" href="struct_usb_device.html#a410d39fb7758157f57794335e990ed02">epinfo</a>)</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> NULL;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> *pep = p-><a class="code" href="struct_usb_device.html#a410d39fb7758157f57794335e990ed02">epinfo</a>;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">for</span> (uint8_t i = 0; i < p-><a class="code" href="struct_usb_device.html#a828814f5231b866ac665a24ec5edaa3a">epcount</a>; i++) {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> ((pep)->epAddr == ep)</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> pep;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  pep++;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> NULL;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/* set device table entry */</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/* each device is different and has different number of endpoints. This function plugs endpoint record structure, defined in application, to devtable */</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a6c3ba3f7e6dccb450267011ce783d7ea"> 73</a></span> uint8_t <a class="code" href="class_u_s_b.html#a6c3ba3f7e6dccb450267011ce783d7ea">USB::setEpInfoEntry</a>(uint8_t addr, uint8_t epcount, <a class="code" href="struct_ep_info.html">EpInfo</a>* eprecord_ptr) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> (!eprecord_ptr)</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#a52c379fe7e22f53d3e3d47d65735fa3b">USB_ERROR_INVALID_ARGUMENT</a>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="struct_usb_device.html">UsbDevice</a> *p = addrPool.<a class="code" href="class_address_pool_impl.html#aa3e12dda249ef6acbb27592fc8fe1cba">GetUsbDevicePtr</a>(addr);</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!p)</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#afe2fedb4b0ccc89a688c0b4b59691ce0">USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL</a>;</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  p-><a class="code" href="struct_usb_device.html#a855beb4cbe3e48b93298ea44d6cae86f">address</a> = addr;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  p-><a class="code" href="struct_usb_device.html#a410d39fb7758157f57794335e990ed02">epinfo</a> = eprecord_ptr;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  p-><a class="code" href="struct_usb_device.html#a828814f5231b866ac665a24ec5edaa3a">epcount</a> = epcount;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> uint8_t USB::SetAddress(uint8_t addr, uint8_t ep, <a class="code" href="struct_ep_info.html">EpInfo</a> **ppep, uint16_t &nak_limit) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="struct_usb_device.html">UsbDevice</a> *p = addrPool.<a class="code" href="class_address_pool_impl.html#aa3e12dda249ef6acbb27592fc8fe1cba">GetUsbDevicePtr</a>(addr);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (!p)</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#afe2fedb4b0ccc89a688c0b4b59691ce0">USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL</a>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (!p-><a class="code" href="struct_usb_device.html#a410d39fb7758157f57794335e990ed02">epinfo</a>)</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#af192c59cafe2192ad802b22e6dbc077d">USB_ERROR_EPINFO_IS_NULL</a>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  *ppep = <a class="code" href="class_u_s_b.html#a59ee57083ba492d87ff2947547848d58">getEpInfoEntry</a>(addr, ep);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (!*ppep)</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#ad55f0079a95df5e4a9bb22e88a7395f5">USB_ERROR_EP_NOT_FOUND_IN_TBL</a>;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  nak_limit = (0x0001UL << (((*ppep)->bmNakPower > <a class="code" href="address_8h.html#a517dfa014946e2d087d197312234a1de">USB_NAK_MAX_POWER</a>) ? <a class="code" href="address_8h.html#a517dfa014946e2d087d197312234a1de">USB_NAK_MAX_POWER</a> : (*ppep)->bmNakPower));</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  nak_limit--;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">/*</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> USBTRACE2("\r\nAddress: ", addr);</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> USBTRACE2(" EP: ", ep);</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> USBTRACE2(" NAK Power: ",(*ppep)->bmNakPower);</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> USBTRACE2(" NAK Limit: ", nak_limit);</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> USBTRACE("\r\n");</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#ac6d86063950bdbf438d358c907aefbfa">rPERADDR</a>, addr); <span class="comment">//set peripheral address</span></div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  uint8_t mode = <a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">//Serial.print("\r\nMode: ");</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">//Serial.println( mode, HEX);</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">//Serial.print("\r\nLS: ");</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">//Serial.println(p->lowspeed, HEX);</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Set bmLOWSPEED and bmHUBPRE in case of low-speed device, reset them otherwise</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, (p-><a class="code" href="struct_usb_device.html#a86a815577ad7883437d3ca72b32b8e8a">lowspeed</a>) ? mode | <a class="code" href="max3421e_8h.html#a9744878036529e375f3b017b22b1eda2">bmLOWSPEED</a> | bmHubPre : mode & ~(<a class="code" href="max3421e_8h.html#a8816c259368604d0de57f31bcb6c1674">bmHUBPRE</a> | <a class="code" href="max3421e_8h.html#a9744878036529e375f3b017b22b1eda2">bmLOWSPEED</a>));</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> }</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">/* Control transfer. Sets address, endpoint, fills control packet with necessary data, dispatches control packet, and initiates bulk IN transfer, */</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/* depending on request. Actual requests are defined as inlines */</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/* return codes: */</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/* 00 = success */</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/* 01-0f = non-zero HRSLT */</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c"> 135</a></span> uint8_t <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">USB::ctrlReq</a>(uint8_t addr, uint8_t ep, uint8_t bmReqType, uint8_t bRequest, uint8_t wValLo, uint8_t wValHi,</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  uint16_t wInd, uint16_t total, uint16_t nbytes, uint8_t* dataptr, <a class="code" href="class_u_s_b_read_parser.html">USBReadParser</a> *p) {</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">bool</span> direction = <span class="keyword">false</span>; <span class="comment">//request direction, IN or OUT</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  uint8_t rcode;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="struct_s_e_t_u_p___p_k_t.html">SETUP_PKT</a> setup_pkt;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> *pep = NULL;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  uint16_t nak_limit = 0;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  rcode = SetAddress(addr, ep, &pep, nak_limit);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (rcode)</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> rcode;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  direction = ((bmReqType & 0x80) > 0);</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">/* fill in setup packet */</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a87ac5c76f3d75b79618679c285ede68b">ReqType_u</a>.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a9bbd6cf5a93a6433d2eb97c59b9102d5">bmRequestType</a> = bmReqType;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a321b931277d6ce278416dc5d74059016">bRequest</a> = bRequest;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#ab67c32e030b5a78807ff16506d524aa4">wVal_u</a>.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a68c9436c00560f96e044052c3fb681e9">wValueLo</a> = wValLo;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#ab67c32e030b5a78807ff16506d524aa4">wVal_u</a>.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a04ea2d151f9edb6575fc159a58f1e443">wValueHi</a> = wValHi;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a299d9f88d294369ea88b48b5026f4c7e">wIndex</a> = wInd;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  setup_pkt.<a class="code" href="struct_s_e_t_u_p___p_k_t.html#a1ec9b19c0ed1e66e399ad9cf3c4a6537">wLength</a> = total;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="class_m_a_x3421e.html#ac61db72bd5952916cdc6edc20e1c763c">bytesWr</a>(<a class="code" href="max3421e_8h.html#acddbcc3176885ece538a7e71665c27be">rSUDFIFO</a>, 8, (uint8_t*) & setup_pkt); <span class="comment">//transfer to setup packet FIFO</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  rcode = <a class="code" href="class_u_s_b.html#a343d4b321cf8e99f0504cb04c7ce8b10">dispatchPkt</a>(<a class="code" href="max3421e_8h.html#acd574bdc815506033ec40fc96320520d">tokSETUP</a>, ep, nak_limit); <span class="comment">//dispatch packet</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (rcode) <span class="comment">//return HRSLT if not zero</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> ( rcode);</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (dataptr != NULL) <span class="comment">//data stage, if present</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  {</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (direction) <span class="comment">//IN transfer</span></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  uint16_t left = total;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a> = 1; <span class="comment">//bmRCVTOG1;</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">while</span> (left) {</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Bytes read into buffer</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  uint16_t read = nbytes;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">//uint16_t read = (left<nbytes) ? left : nbytes;</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  rcode = InTransfer(pep, nak_limit, &read, dataptr);</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (rcode == <a class="code" href="max3421e_8h.html#a651e9347e706d3cb16357c656a7e9c8f">hrTOGERR</a>) {</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// yes, we flip it wrong here so that next time it is actually correct!</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a> = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & <a class="code" href="max3421e_8h.html#a4a9dee0254d637bcd27ac53fd2a7cb7c">bmSNDTOGRD</a>) ? 0 : 1;</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> (rcode)</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> rcode;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// Invoke callback function if inTransfer completed successfully and callback function pointer is specified</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (!rcode && p)</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  ((<a class="code" href="class_u_s_b_read_parser.html">USBReadParser</a>*)p)->Parse(read, dataptr, total - left);</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  left -= read;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (read < nbytes)</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  } <span class="keywordflow">else</span> <span class="comment">//OUT transfer</span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  pep-><a class="code" href="struct_ep_info.html#ac85bff70ad0e5d71e50cb501f4d8caf3">bmSndToggle</a> = 1; <span class="comment">//bmSNDTOG1;</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  rcode = OutTransfer(pep, nak_limit, nbytes, dataptr);</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (rcode) <span class="comment">//return error</span></div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> ( rcode);</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// Status stage</span></div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> <a class="code" href="class_u_s_b.html#a343d4b321cf8e99f0504cb04c7ce8b10">dispatchPkt</a>((direction) ? <a class="code" href="max3421e_8h.html#a9889c0ed9a43ff3fea670a96c3fbd165">tokOUTHS</a> : <a class="code" href="max3421e_8h.html#a100ac012a99f7cb9305a2eb921741ce3">tokINHS</a>, ep, nak_limit); <span class="comment">//GET if direction</span></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">/* IN transfer to arbitrary endpoint. Assumes PERADDR is set. Handles multiple packets if necessary. Transfers 'nbytes' bytes. */</span></div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">/* Keep sending INs and writes data to memory area pointed by 'data' */</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment">/* rcode 0 if no errors. rcode 01-0f is relayed from dispatchPkt(). Rcode f0 means RCVDAVIRQ error,</span></div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> fe USB xfer timeout */</span></div>
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<div class="line"><a name="l00215"></a><span class="lineno"><a class="code" href="class_u_s_b.html#ad75d64f648b102fab2bd75e53e1324a4"> 215</a></span> uint8_t <a class="code" href="class_u_s_b.html#ad75d64f648b102fab2bd75e53e1324a4">USB::inTransfer</a>(uint8_t addr, uint8_t ep, uint16_t *nbytesptr, uint8_t* data) {</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> *pep = NULL;</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  uint16_t nak_limit = 0;</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  uint8_t rcode = SetAddress(addr, ep, &pep, nak_limit);</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (rcode) {</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">//printf("SetAddress Failed");</span></div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">return</span> rcode;</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> InTransfer(pep, nak_limit, nbytesptr, data);</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> uint8_t USB::InTransfer(<a class="code" href="struct_ep_info.html">EpInfo</a> *pep, uint16_t nak_limit, uint16_t *nbytesptr, uint8_t* data) {</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uint8_t rcode = 0;</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  uint8_t pktsize;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  uint16_t nbytes = *nbytesptr;</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">//printf("Requesting %i bytes ", nbytes);</span></div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  uint8_t maxpktsize = pep-><a class="code" href="struct_ep_info.html#aa2ca775b63736df4008e88da7dd4dddb">maxPktSize</a>;</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  *nbytesptr = 0;</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, (pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a>) ? <a class="code" href="max3421e_8h.html#a6864ac74e4ed056f9eb37f1c78bd6c6f">bmRCVTOG1</a> : <a class="code" href="max3421e_8h.html#aca6a8aa4f0aebbe07c5e175572a92ef7">bmRCVTOG0</a>); <span class="comment">//set toggle value</span></div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">while</span> (1) <span class="comment">// use a 'return' to exit this loop</span></div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  rcode = <a class="code" href="class_u_s_b.html#a343d4b321cf8e99f0504cb04c7ce8b10">dispatchPkt</a>(<a class="code" href="max3421e_8h.html#a436aef9c3815daee76dc227dcf15d4e4">tokIN</a>, pep-><a class="code" href="struct_ep_info.html#a9f92be74c75c037b39e2cae1eb49b89b">epAddr</a>, nak_limit); <span class="comment">//IN packet to EP-'endpoint'. Function takes care of NAKS.</span></div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (rcode == <a class="code" href="max3421e_8h.html#a651e9347e706d3cb16357c656a7e9c8f">hrTOGERR</a>) {</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// yes, we flip it wrong here so that next time it is actually correct!</span></div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a> = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & <a class="code" href="max3421e_8h.html#a4a9dee0254d637bcd27ac53fd2a7cb7c">bmSNDTOGRD</a>) ? 0 : 1;</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, (pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a>) ? <a class="code" href="max3421e_8h.html#a6864ac74e4ed056f9eb37f1c78bd6c6f">bmRCVTOG1</a> : <a class="code" href="max3421e_8h.html#aca6a8aa4f0aebbe07c5e175572a92ef7">bmRCVTOG0</a>); <span class="comment">//set toggle value</span></div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (rcode) {</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">//printf(">>>>>>>> Problem! dispatchPkt %2.2x\r\n", rcode);</span></div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">break</span>; <span class="comment">//should be 0, indicating ACK. Else return error code.</span></div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">/* check for RCVDAVIRQ and generate error if not present */</span></div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">/* the only case when absence of RCVDAVIRQ makes sense is when toggle error occurred. Need to add handling for that */</span></div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> ((<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>) & <a class="code" href="max3421e_8h.html#ad780c154c3761f68e0e397e4fd8f9a07">bmRCVDAVIRQ</a>) == 0) {</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">//printf(">>>>>>>> Problem! NO RCVDAVIRQ!\r\n");</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  rcode = 0xf0; <span class="comment">//receive error</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  pktsize = <a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#afa79b794eadcddfca2f62828dd83134b">rRCVBC</a>); <span class="comment">//number of received bytes</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">//printf("Got %i bytes \r\n", pktsize);</span></div>
|
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// This would be OK, but...</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">//assert(pktsize <= nbytes);</span></div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> (pktsize > nbytes) {</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// This can happen. Use of assert on Arduino locks up the Arduino.</span></div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// So I will trim the value, and hope for the best.</span></div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">//printf(">>>>>>>> Problem! Wanted %i bytes but got %i.\r\n", nbytes, pktsize);</span></div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  pktsize = nbytes;</div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
|
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  int16_t mem_left = (int16_t)nbytes - *((int16_t*)nbytesptr);</div>
|
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div>
|
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (mem_left < 0)</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  mem_left = 0;</div>
|
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  data = <a class="code" href="class_m_a_x3421e.html#af1ceb905ac614b98d58579946587b083">bytesRd</a>(<a class="code" href="max3421e_8h.html#a5ab905353668c35ea0d9f6989d24b849">rRCVFIFO</a>, ((pktsize > mem_left) ? mem_left : pktsize), data);</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, bmRCVDAVIRQ); <span class="comment">// Clear the IRQ & free the buffer</span></div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  *nbytesptr += pktsize; <span class="comment">// add this packet's byte count to total transfer length</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">/* The transfer is complete under two conditions: */</span></div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">/* 1. The device sent a short packet (L.T. maxPacketSize) */</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">/* 2. 'nbytes' have been transferred. */</span></div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">if</span> ((pktsize < maxpktsize) || (*nbytesptr >= nbytes)) <span class="comment">// have we transferred 'nbytes' bytes?</span></div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// Save toggle value</span></div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  pep-><a class="code" href="struct_ep_info.html#a9238dd40c096baedf041c98b19386a14">bmRcvToggle</a> = ((<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & <a class="code" href="max3421e_8h.html#acdfff8cccb2ba5a3dfaa67241ffe86a4">bmRCVTOGRD</a>)) ? 1 : 0;</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">//printf("\r\n");</span></div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  rcode = 0;</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  } <span class="comment">// if</span></div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  } <span class="comment">//while( 1 )</span></div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> ( rcode);</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> }</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div>
|
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment">/* OUT transfer to arbitrary endpoint. Handles multiple packets if necessary. Transfers 'nbytes' bytes. */</span></div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">/* Handles NAK bug per Maxim Application Note 4000 for single buffer transfer */</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div>
|
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">/* rcode 0 if no errors. rcode 01-0f is relayed from HRSL */</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"><a class="code" href="class_u_s_b.html#affbc018973a588995457d535b0ac7ee7"> 299</a></span> uint8_t <a class="code" href="class_u_s_b.html#affbc018973a588995457d535b0ac7ee7">USB::outTransfer</a>(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* data) {</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> *pep = NULL;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  uint16_t nak_limit = 0;</div>
|
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
|
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  uint8_t rcode = SetAddress(addr, ep, &pep, nak_limit);</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
|
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (rcode)</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> rcode;</div>
|
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
|
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> OutTransfer(pep, nak_limit, nbytes, data);</div>
|
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> }</div>
|
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> uint8_t USB::OutTransfer(<a class="code" href="struct_ep_info.html">EpInfo</a> *pep, uint16_t nak_limit, uint16_t nbytes, uint8_t *data) {</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  uint8_t rcode = <a class="code" href="max3421e_8h.html#aea69e77cdc2b4124122d0fbda7e37019">hrSUCCESS</a>, retry_count;</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  uint8_t *data_p = data; <span class="comment">//local copy of the data pointer</span></div>
|
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  uint16_t bytes_tosend, nak_count;</div>
|
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  uint16_t bytes_left = nbytes;</div>
|
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  uint8_t maxpktsize = pep-><a class="code" href="struct_ep_info.html#aa2ca775b63736df4008e88da7dd4dddb">maxPktSize</a>;</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (maxpktsize < 1 || maxpktsize > 64)</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#a272428aaee5fccec4661bd5457d1928f">USB_ERROR_INVALID_MAX_PKT_SIZE</a>;</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> timeout = millis() + <a class="code" href="_usb_8h.html#ad8686abbfa0d98547d450fe2a105a588">USB_XFER_TIMEOUT</a>;</div>
|
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, (pep-><a class="code" href="struct_ep_info.html#ac85bff70ad0e5d71e50cb501f4d8caf3">bmSndToggle</a>) ? <a class="code" href="max3421e_8h.html#aee283b6d075581cdff38a6054e6f63a2">bmSNDTOG1</a> : <a class="code" href="max3421e_8h.html#a4834ae7378471b63b9a1985c6294006f">bmSNDTOG0</a>); <span class="comment">//set toggle value</span></div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
|
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">while</span> (bytes_left) {</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  retry_count = 0;</div>
|
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  nak_count = 0;</div>
|
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  bytes_tosend = (bytes_left >= maxpktsize) ? maxpktsize : bytes_left;</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="class_m_a_x3421e.html#ac61db72bd5952916cdc6edc20e1c763c">bytesWr</a>(<a class="code" href="max3421e_8h.html#aa5d5e67db32d736bab1ee8ef8764f6aa">rSNDFIFO</a>, bytes_tosend, data_p); <span class="comment">//filling output FIFO</span></div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a1eb6ec372ed236f1db3fbca201bdc28f">rSNDBC</a>, bytes_tosend); <span class="comment">//set number of bytes</span></div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#aa541c456525254b21a0bc53aadaeee4d">rHXFR</a>, (<a class="code" href="max3421e_8h.html#a6d59486bc96e76ebb429756a30ddb238">tokOUT</a> | pep-><a class="code" href="struct_ep_info.html#a9f92be74c75c037b39e2cae1eb49b89b">epAddr</a>)); <span class="comment">//dispatch packet</span></div>
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|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">while</span> (!(<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>) & <a class="code" href="max3421e_8h.html#a82f316064dd5442d86e1536d3f1d9f7a">bmHXFRDNIRQ</a>)); <span class="comment">//wait for the completion IRQ</span></div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, bmHXFRDNIRQ); <span class="comment">//clear IRQ</span></div>
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|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  rcode = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & 0x0f);</div>
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|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">while</span> (rcode && (timeout > millis())) {</div>
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|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">switch</span> (rcode) {</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#ab44a7968d08016b58d98951059c37076">hrNAK</a>:</div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  nak_count++;</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (nak_limit && (nak_count == nak_limit))</div>
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|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">goto</span> breakout;</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">//return ( rcode);</span></div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#ab4e9ff11b75e71171814fdab1ff7ce45">hrTIMEOUT</a>:</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  retry_count++;</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (retry_count == <a class="code" href="_usb_8h.html#a857a9899ad4f277faf074c3012e14ffa">USB_RETRY_LIMIT</a>)</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">goto</span> breakout;</div>
|
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">//return ( rcode);</span></div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#a651e9347e706d3cb16357c656a7e9c8f">hrTOGERR</a>:</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// yes, we flip it wrong here so that next time it is actually correct!</span></div>
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|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  pep-><a class="code" href="struct_ep_info.html#ac85bff70ad0e5d71e50cb501f4d8caf3">bmSndToggle</a> = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & <a class="code" href="max3421e_8h.html#a4a9dee0254d637bcd27ac53fd2a7cb7c">bmSNDTOGRD</a>) ? 0 : 1;</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, (pep-><a class="code" href="struct_ep_info.html#ac85bff70ad0e5d71e50cb501f4d8caf3">bmSndToggle</a>) ? <a class="code" href="max3421e_8h.html#aee283b6d075581cdff38a6054e6f63a2">bmSNDTOG1</a> : <a class="code" href="max3421e_8h.html#a4834ae7378471b63b9a1985c6294006f">bmSNDTOG0</a>); <span class="comment">//set toggle value</span></div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">goto</span> breakout;</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }<span class="comment">//switch( rcode</span></div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">/* process NAK according to Host out NAK bug */</span></div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a1eb6ec372ed236f1db3fbca201bdc28f">rSNDBC</a>, 0);</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#aa5d5e67db32d736bab1ee8ef8764f6aa">rSNDFIFO</a>, *data_p);</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a1eb6ec372ed236f1db3fbca201bdc28f">rSNDBC</a>, bytes_tosend);</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#aa541c456525254b21a0bc53aadaeee4d">rHXFR</a>, (<a class="code" href="max3421e_8h.html#a6d59486bc96e76ebb429756a30ddb238">tokOUT</a> | pep-><a class="code" href="struct_ep_info.html#a9f92be74c75c037b39e2cae1eb49b89b">epAddr</a>)); <span class="comment">//dispatch packet</span></div>
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|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">while</span> (!(<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>) & bmHXFRDNIRQ)); <span class="comment">//wait for the completion IRQ</span></div>
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|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, bmHXFRDNIRQ); <span class="comment">//clear IRQ</span></div>
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|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  rcode = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & 0x0f);</div>
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|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }<span class="comment">//while( rcode && ....</span></div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  bytes_left -= bytes_tosend;</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  data_p += bytes_tosend;</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }<span class="comment">//while( bytes_left...</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> breakout:</div>
|
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  pep-><a class="code" href="struct_ep_info.html#ac85bff70ad0e5d71e50cb501f4d8caf3">bmSndToggle</a> = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & <a class="code" href="max3421e_8h.html#a4a9dee0254d637bcd27ac53fd2a7cb7c">bmSNDTOGRD</a>) ? 1 : 0; <span class="comment">//bmSNDTOG1 : bmSNDTOG0; //update toggle</span></div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> ( rcode); <span class="comment">//should be 0 in all cases</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> }</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment">/* dispatch USB packet. Assumes peripheral address is set and relevant buffer is loaded/empty */</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment">/* If NAK, tries to re-send up to nak_limit times */</span></div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment">/* If nak_limit == 0, do not count NAKs, exit after timeout */</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment">/* If bus timeout, re-sends up to USB_RETRY_LIMIT times */</span></div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">/* return codes 0x00-0x0f are HRSLT( 0x00 being success ), 0xff means timeout */</span></div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a343d4b321cf8e99f0504cb04c7ce8b10"> 383</a></span> uint8_t <a class="code" href="class_u_s_b.html#a343d4b321cf8e99f0504cb04c7ce8b10">USB::dispatchPkt</a>(uint8_t token, uint8_t ep, uint16_t nak_limit) {</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> timeout = millis() + <a class="code" href="_usb_8h.html#ad8686abbfa0d98547d450fe2a105a588">USB_XFER_TIMEOUT</a>;</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  uint8_t tmpdata;</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  uint8_t rcode = <a class="code" href="max3421e_8h.html#aea69e77cdc2b4124122d0fbda7e37019">hrSUCCESS</a>;</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  uint8_t retry_count = 0;</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  uint16_t nak_count = 0;</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">while</span> (timeout > millis()) {</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#aa541c456525254b21a0bc53aadaeee4d">rHXFR</a>, (token | ep)); <span class="comment">//launch the transfer</span></div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  rcode = <a class="code" href="_usb_8h.html#ae691ccb027b8e281ac87522a0e66aaa7">USB_ERROR_TRANSFER_TIMEOUT</a>;</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">while</span> (timeout > millis()) <span class="comment">//wait for transfer completion</span></div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  {</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  tmpdata = <a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>);</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">if</span> (tmpdata & bmHXFRDNIRQ) {</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, bmHXFRDNIRQ); <span class="comment">//clear the interrupt</span></div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  rcode = 0x00;</div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }<span class="comment">//if( tmpdata & bmHXFRDNIRQ</span></div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> </div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }<span class="comment">//while ( millis() < timeout</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">//if (rcode != 0x00) //exit if timeout</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">// return ( rcode);</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  rcode = (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>) & 0x0f); <span class="comment">//analyze transfer result</span></div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">switch</span> (rcode) {</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#ab44a7968d08016b58d98951059c37076">hrNAK</a>:</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  nak_count++;</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (nak_limit && (nak_count == nak_limit))</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> (rcode);</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#ab4e9ff11b75e71171814fdab1ff7ce45">hrTIMEOUT</a>:</div>
|
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  retry_count++;</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">if</span> (retry_count == <a class="code" href="_usb_8h.html#a857a9899ad4f277faf074c3012e14ffa">USB_RETRY_LIMIT</a>)</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> (rcode);</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">return</span> (rcode);</div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }<span class="comment">//switch( rcode</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> </div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }<span class="comment">//while( timeout > millis()</span></div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> ( rcode);</div>
|
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> }</div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment">/* USB main task. Performs enumeration/cleanup */</span></div>
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|
<div class="line"><a name="l00431"></a><span class="lineno"><a class="code" href="class_u_s_b.html#aff8d1b2009c760bc27fb12762bd3c9b6"> 431</a></span> <span class="keywordtype">void</span> <a class="code" href="class_u_s_b.html#aff8d1b2009c760bc27fb12762bd3c9b6">USB::Task</a>(<span class="keywordtype">void</span>) <span class="comment">//USB state machine</span></div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> {</div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  uint8_t rcode;</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  uint8_t tmpdata;</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> delay = 0;</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">//USB_DEVICE_DESCRIPTOR buf;</span></div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordtype">bool</span> lowspeed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <a class="code" href="class_m_a_x3421e.html#acb5728095a05814d6ae3c8ddb0452969">MAX3421E::Task</a>();</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  tmpdata = <a class="code" href="class_m_a_x3421e.html#a0353d430ba18466706337ed623a224e3">getVbusState</a>();</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">/* modify USB task state if Vbus changed */</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">switch</span> (tmpdata) {</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#a5c3d7b0a5b0933cfc0183cd36ea91f16">SE1</a>: <span class="comment">//illegal state</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  usb_task_state = <a class="code" href="_usb_8h.html#aff6ab2376cd29385b20c2b63d4ddd26d">USB_DETACHED_SUBSTATE_ILLEGAL</a>;</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  lowspeed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#a3cb02fdd2d36f8a755c4b1946a0b0063">SE0</a>: <span class="comment">//disconnected</span></div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> ((usb_task_state & <a class="code" href="_usb_8h.html#a3168cf67661a2716677b9830f30b880c">USB_STATE_MASK</a>) != <a class="code" href="_usb_8h.html#ae7fd7c5bb6dc87f44724dde2ad57df87">USB_STATE_DETACHED</a>)</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  usb_task_state = <a class="code" href="_usb_8h.html#a60a744d0f1386e4b28053a41bd6a958f">USB_DETACHED_SUBSTATE_INITIALIZE</a>;</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  lowspeed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#aa05ee2be883f4b96948e18b0d55ab5c2">LSHOST</a>:</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  </div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  lowspeed = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="comment">//intentional fallthrough</span></div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">case</span> <a class="code" href="max3421e_8h.html#a8ec45bdb8c5273e99c3ab89349cb43f9">FSHOST</a>: <span class="comment">//attached</span></div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">if</span> ((usb_task_state & USB_STATE_MASK) == <a class="code" href="_usb_8h.html#ae7fd7c5bb6dc87f44724dde2ad57df87">USB_STATE_DETACHED</a>) {</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  delay = millis() + <a class="code" href="_usb_8h.html#a1b082667723b29243b021a1829bdd8d6">USB_SETTLE_DELAY</a>;</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  usb_task_state = <a class="code" href="_usb_8h.html#aaadb20392558e23e3eba073e358a4493">USB_ATTACHED_SUBSTATE_SETTLE</a>;</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }<span class="comment">// switch( tmpdata</span></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">for</span> (uint8_t i = 0; i < <a class="code" href="_usb_8h.html#a0282f9f7a0313f957e02449d7313b7b5">USB_NUMDEVICES</a>; i++)</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (devConfig[i])</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  rcode = devConfig[i]-><a class="code" href="class_u_s_b_device_config.html#a893ea73deab98be837c257201e7da25a">Poll</a>();</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">switch</span> (usb_task_state) {</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a60a744d0f1386e4b28053a41bd6a958f">USB_DETACHED_SUBSTATE_INITIALIZE</a>:</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  init();</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">for</span> (uint8_t i = 0; i < <a class="code" href="_usb_8h.html#a0282f9f7a0313f957e02449d7313b7b5">USB_NUMDEVICES</a>; i++)</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (devConfig[i])</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  rcode = devConfig[i]-><a class="code" href="class_u_s_b_device_config.html#a61e301efedae55c6ac12c6cce154e432">Release</a>();</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  usb_task_state = <a class="code" href="_usb_8h.html#a3708f4e8166d5d099e1982aa956eacce">USB_DETACHED_SUBSTATE_WAIT_FOR_DEVICE</a>;</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a3708f4e8166d5d099e1982aa956eacce">USB_DETACHED_SUBSTATE_WAIT_FOR_DEVICE</a>: <span class="comment">//just sit here</span></div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#aff6ab2376cd29385b20c2b63d4ddd26d">USB_DETACHED_SUBSTATE_ILLEGAL</a>: <span class="comment">//just sit here</span></div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#aaadb20392558e23e3eba073e358a4493">USB_ATTACHED_SUBSTATE_SETTLE</a>: <span class="comment">//settle time for just attached device</span></div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> (delay < millis())</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  usb_task_state = <a class="code" href="_usb_8h.html#ada22633d6de30155a60cb19f6e6452fe">USB_ATTACHED_SUBSTATE_RESET_DEVICE</a>;</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#ada22633d6de30155a60cb19f6e6452fe">USB_ATTACHED_SUBSTATE_RESET_DEVICE</a>:</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, <a class="code" href="max3421e_8h.html#ab59b41d6ecb3a04e5bfc38b0eee4aec0">bmBUSRST</a>); <span class="comment">//issue bus reset</span></div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  usb_task_state = <a class="code" href="_usb_8h.html#a311f11b79c4020d771cd6930e0a3223d">USB_ATTACHED_SUBSTATE_WAIT_RESET_COMPLETE</a>;</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a311f11b79c4020d771cd6930e0a3223d">USB_ATTACHED_SUBSTATE_WAIT_RESET_COMPLETE</a>:</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> ((<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>) & <a class="code" href="max3421e_8h.html#ab59b41d6ecb3a04e5bfc38b0eee4aec0">bmBUSRST</a>) == 0) {</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  tmpdata = <a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>) | <a class="code" href="max3421e_8h.html#a1cde86dfa0124c81ebffcde9fdf61cc3">bmSOFKAENAB</a>; <span class="comment">//start SOF generation</span></div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, tmpdata);</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  usb_task_state = <a class="code" href="_usb_8h.html#a2d69537e663e7d5f188004f0d25ec0cc">USB_ATTACHED_SUBSTATE_WAIT_SOF</a>;</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">//delay = millis() + 20; //20ms wait after reset per USB spec</span></div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  }</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a2d69537e663e7d5f188004f0d25ec0cc">USB_ATTACHED_SUBSTATE_WAIT_SOF</a>: <span class="comment">//todo: change check order</span></div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (<a class="code" href="class_m_a_x3421e.html#ae7faae82a8d68c38b43833b8fddcb8e8">regRd</a>(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>) & <a class="code" href="max3421e_8h.html#a042cc701398502fb70b8793ed76394ce">bmFRAMEIRQ</a>) {</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">//when first SOF received _and_ 20ms has passed we can continue</span></div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> if (delay < millis()) //20ms passed</span></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> usb_task_state = USB_STATE_CONFIGURING;</span></div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  usb_task_state = <a class="code" href="_usb_8h.html#a80a8d6b8e75c76947e452b4afa04c84e">USB_ATTACHED_SUBSTATE_WAIT_RESET</a>;</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  delay = millis() + 20;</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a80a8d6b8e75c76947e452b4afa04c84e">USB_ATTACHED_SUBSTATE_WAIT_RESET</a>:</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">if</span> (delay < millis()) usb_task_state = <a class="code" href="_usb_8h.html#aac8c844e6a20f42298d70e4438a029e5">USB_STATE_CONFIGURING</a>;</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#aac8c844e6a20f42298d70e4438a029e5">USB_STATE_CONFIGURING</a>:</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> </div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">//Serial.print("\r\nConf.LS: ");</span></div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="comment">//Serial.println(lowspeed, HEX);</span></div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  rcode = <a class="code" href="class_u_s_b.html#af4008dfc1c2d15c23cf8a7815cc17765">Configuring</a>(0, 0, lowspeed);</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">if</span> (rcode) {</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">if</span> (rcode != <a class="code" href="_usb_8h.html#a7cb7070e699b7815e3c45dc8f7dd67f1">USB_DEV_CONFIG_ERROR_DEVICE_INIT_INCOMPLETE</a>) {</div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  usb_error = rcode;</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  usb_task_state = <a class="code" href="_usb_8h.html#a6fef5305841ac36f67d8ddb0bd9127d4">USB_STATE_ERROR</a>;</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  } <span class="keywordflow">else</span></div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  usb_task_state = <a class="code" href="_usb_8h.html#a138c40c59f628eefbe273a8db0a96753">USB_STATE_RUNNING</a>;</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a138c40c59f628eefbe273a8db0a96753">USB_STATE_RUNNING</a>:</div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">case</span> <a class="code" href="_usb_8h.html#a6fef5305841ac36f67d8ddb0bd9127d4">USB_STATE_ERROR</a>:</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="comment">//MAX3421E::Init();</span></div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  } <span class="comment">// switch( usb_task_state )</span></div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> }</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a5eb0d31372d26f0015a0d7be0b9ff4e1"> 537</a></span> uint8_t <a class="code" href="class_u_s_b.html#a5eb0d31372d26f0015a0d7be0b9ff4e1">USB::DefaultAddressing</a>(uint8_t parent, uint8_t port, <span class="keywordtype">bool</span> lowspeed) {</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="comment">//uint8_t buf[12];</span></div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  uint8_t rcode;</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="struct_usb_device.html">UsbDevice</a> *p0 = NULL, *p = NULL;</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="comment">// Get pointer to pseudo device with address 0 assigned</span></div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  p0 = addrPool.<a class="code" href="class_address_pool_impl.html#aa3e12dda249ef6acbb27592fc8fe1cba">GetUsbDevicePtr</a>(0);</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> </div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (!p0)</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#afe2fedb4b0ccc89a688c0b4b59691ce0">USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL</a>;</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> </div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">if</span> (!p0-><a class="code" href="struct_usb_device.html#a410d39fb7758157f57794335e990ed02">epinfo</a>)</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#af192c59cafe2192ad802b22e6dbc077d">USB_ERROR_EPINFO_IS_NULL</a>;</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  p0-><a class="code" href="struct_usb_device.html#a86a815577ad7883437d3ca72b32b8e8a">lowspeed</a> = (lowspeed) ? <span class="keyword">true</span> : <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="comment">// Allocate new address according to device class</span></div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  uint8_t bAddress = addrPool.<a class="code" href="class_address_pool_impl.html#a14657183c73c631754b31bd0cc588c87">AllocAddress</a>(parent, <span class="keyword">false</span>, port);</div>
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> (!bAddress)</div>
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#a15370eb665cdded5514e69ca58d9f39d">USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL</a>;</div>
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<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> </div>
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<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  p = addrPool.<a class="code" href="class_address_pool_impl.html#aa3e12dda249ef6acbb27592fc8fe1cba">GetUsbDevicePtr</a>(bAddress);</div>
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div>
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<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> (!p)</div>
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<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#afe2fedb4b0ccc89a688c0b4b59691ce0">USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL</a>;</div>
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<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  p->lowspeed = lowspeed;</div>
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<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> </div>
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<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="comment">// Assign new address to the device</span></div>
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<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  rcode = <a class="code" href="class_u_s_b.html#a3aea534daed66b5606fa798df7ad3c47">setAddr</a>(0, 0, bAddress);</div>
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<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> </div>
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<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keywordflow">if</span> (rcode) {</div>
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<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  addrPool.<a class="code" href="class_address_pool_impl.html#a3d59841faa336c359b0736ca45988ce5">FreeAddress</a>(bAddress);</div>
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<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  bAddress = 0;</div>
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<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">return</span> rcode;</div>
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<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  }</div>
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<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">return</span> 0;</div>
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<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> };</div>
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<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> </div>
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<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> uint8_t USB::AttemptConfig(uint8_t driver, uint8_t parent, uint8_t port, <span class="keywordtype">bool</span> lowspeed) {</div>
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<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  uint8_t rcode = 0;</div>
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<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="comment">//printf("AttemptConfig: parent = %i, port = %i\r\n", parent, port);</span></div>
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<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div>
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<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  rcode = devConfig[driver]-><a class="code" href="class_u_s_b_device_config.html#aef77a1e62f78c04a1aad53e8795ec89e">ConfigureDevice</a>(parent, port, lowspeed);</div>
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<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">if</span> (rcode == <a class="code" href="_usb_8h.html#a7cad2f024e98c4b2b1b52df76b10c01e">USB_ERROR_CONFIG_REQUIRES_ADDITIONAL_RESET</a>) {</div>
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<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">if</span> (parent == 0) {</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="comment">// Send a bus reset on the root interface.</span></div>
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<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="class_m_a_x3421e.html#a74e387200f57bc03152247d630c166aa">regWr</a>(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, <a class="code" href="max3421e_8h.html#ab59b41d6ecb3a04e5bfc38b0eee4aec0">bmBUSRST</a>); <span class="comment">//issue bus reset</span></div>
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|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  delay(102); <span class="comment">// delay 102ms, compensate for clock inaccuracy.</span></div>
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<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  } <span class="keywordflow">else</span> {</div>
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|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">// reset parent port</span></div>
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|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  devConfig[parent]-><a class="code" href="class_u_s_b_device_config.html#a12bb63558ded5bb6661bb173b07ff391">ResetHubPort</a>(port);</div>
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<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  rcode = devConfig[driver]-><a class="code" href="class_u_s_b_device_config.html#a3706cf6b18785aff823171e280bab738">Init</a>(parent, port, lowspeed);</div>
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<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">return</span> rcode;</div>
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|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> }</div>
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|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> </div>
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|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment">/*</span></div>
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|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="comment"> * This is broken. We need to enumerate differently.</span></div>
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|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"> * It causes major problems with several devices if detected in an unexpected order.</span></div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="comment"> * Oleg - I wouldn't do anything before the newly connected device is considered sane.</span></div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="comment"> * i.e.(delays are not indicated for brevity):</span></div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="comment"> * 1. reset</span></div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment"> * 2. GetDevDescr();</span></div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment"> * 3a. If ACK, continue with allocating address, addressing, etc.</span></div>
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|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment"> * 3b. Else reset again, count resets, stop at some number (5?).</span></div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="comment"> * 4. When max.number of resets is reached, toggle power/fail</span></div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="comment"> * If desired, this could be modified by performing two resets with GetDevDescr() in the middle - however, from my experience, if a device answers to GDD()</span></div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="comment"> * it doesn't need to be reset again</span></div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="comment"> * New steps proposal:</span></div>
|
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="comment"> * 1: get address pool instance. exit on fail</span></div>
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|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="comment"> * 2: pUsb->getDevDescr(0, 0, constBufSize, (uint8_t*)buf). exit on fail.</span></div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="comment"> * 3: bus reset, 100ms delay</span></div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="comment"> * 4: set address</span></div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="comment"> * 5: pUsb->setEpInfoEntry(bAddress, 1, epInfo), exit on fail</span></div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="comment"> * 6: while (configurations) {</span></div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="comment"> * for(each configuration) {</span></div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="comment"> * for (each driver) {</span></div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="comment"> * 6a: Ask device if it likes configuration. Returns 0 on OK.</span></div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="comment"> * If successful, the driver configured device.</span></div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="comment"> * The driver now owns the endpoints, and takes over managing them.</span></div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> <span class="comment"> * The following will need codes:</span></div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span> <span class="comment"> * Everything went well, instance consumed, exit with success.</span></div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="comment"> * Instance already in use, ignore it, try next driver.</span></div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="comment"> * Not a supported device, ignore it, try next driver.</span></div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="comment"> * Not a supported configuration for this device, ignore it, try next driver.</span></div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="comment"> * Could not configure device, fatal, exit with fail.</span></div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="comment"> * }</span></div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> <span class="comment"> * }</span></div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="comment"> * }</span></div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="comment"> * 7: for(each driver) {</span></div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span> <span class="comment"> * 7a: Ask device if it knows this VID/PID. Acts exactly like 6a, but using VID/PID</span></div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="comment"> * 8: if we get here, no driver likes the device plugged in, so exit failure.</span></div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"><a class="code" href="class_u_s_b.html#af4008dfc1c2d15c23cf8a7815cc17765"> 636</a></span> uint8_t <a class="code" href="class_u_s_b.html#af4008dfc1c2d15c23cf8a7815cc17765">USB::Configuring</a>(uint8_t parent, uint8_t port, <span class="keywordtype">bool</span> lowspeed) {</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="comment">//uint8_t bAddress = 0;</span></div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="comment">//printf("Configuring: parent = %i, port = %i\r\n", parent, port);</span></div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  uint8_t devConfigIndex;</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  uint8_t rcode = 0;</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  uint8_t buf[<span class="keyword">sizeof</span> (<a class="code" href="struct_u_s_b___d_e_v_i_c_e___d_e_s_c_r_i_p_t_o_r.html">USB_DEVICE_DESCRIPTOR</a>)];</div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <a class="code" href="struct_usb_device.html">UsbDevice</a> *p = NULL;</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> *oldep_ptr = NULL;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <a class="code" href="struct_ep_info.html">EpInfo</a> epInfo;</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  epInfo.<a class="code" href="struct_ep_info.html#a9f92be74c75c037b39e2cae1eb49b89b">epAddr</a> = 0;</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  epInfo.<a class="code" href="struct_ep_info.html#aa2ca775b63736df4008e88da7dd4dddb">maxPktSize</a> = 8;</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  epInfo.<a class="code" href="struct_ep_info.html#a1dea928517c961235eef7b0876e69f10">epAttribs</a> = 0;</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  epInfo.<a class="code" href="struct_ep_info.html#a3a5b1c017a034cd9e06e76729e727c46">bmNakPower</a> = <a class="code" href="address_8h.html#a517dfa014946e2d087d197312234a1de">USB_NAK_MAX_POWER</a>;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span> </div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  delay(2000);</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <a class="code" href="class_address_pool.html">AddressPool</a> &addrPool = <a class="code" href="class_u_s_b.html#a66ab8f5eda239e761d5a48741ea1f9d4">GetAddressPool</a>();</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="comment">// Get pointer to pseudo device with address 0 assigned</span></div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  p = addrPool.<a class="code" href="class_address_pool.html#aa92d7e8f0f515340ae2dc1679b627056">GetUsbDevicePtr</a>(0);</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (!p) {</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="comment">//printf("Configuring error: USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL\r\n");</span></div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">return</span> <a class="code" href="_usb_8h.html#afe2fedb4b0ccc89a688c0b4b59691ce0">USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL</a>;</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> </div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="comment">// Save old pointer to EP_RECORD of address 0</span></div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  oldep_ptr = p->epinfo;</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span> </div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="comment">// Temporary assign new pointer to epInfo to p->epinfo in order to</span></div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="comment">// avoid toggle inconsistence</span></div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> </div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  p->epinfo = &epInfo;</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> </div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  p->lowspeed = lowspeed;</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="comment">// Get device descriptor</span></div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  rcode = <a class="code" href="class_u_s_b.html#a193e63c149fad46adabd77ceb09b2b24" title="defined(USB_METHODS_INLINE) ">getDevDescr</a>(0, 0, <span class="keyword">sizeof</span> (<a class="code" href="struct_u_s_b___d_e_v_i_c_e___d_e_s_c_r_i_p_t_o_r.html">USB_DEVICE_DESCRIPTOR</a>), (uint8_t*)buf);</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="comment">// Restore p->epinfo</span></div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  p->epinfo = oldep_ptr;</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span> </div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">if</span> (rcode) {</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">//printf("Configuring error: Can't get USB_DEVICE_DESCRIPTOR\r\n");</span></div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">return</span> rcode;</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  }</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="comment">// to-do?</span></div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="comment">// Allocate new address according to device class</span></div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">//bAddress = addrPool.AllocAddress(parent, false, port);</span></div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> </div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="comment">//if (!bAddress)</span></div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="comment">// return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;</span></div>
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|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> </div>
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<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  uint16_t vid = (uint16_t)((<a class="code" href="struct_u_s_b___d_e_v_i_c_e___d_e_s_c_r_i_p_t_o_r.html">USB_DEVICE_DESCRIPTOR</a>*)buf)->idVendor;</div>
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<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  uint16_t pid = (uint16_t)((<a class="code" href="struct_u_s_b___d_e_v_i_c_e___d_e_s_c_r_i_p_t_o_r.html">USB_DEVICE_DESCRIPTOR</a>*)buf)->idProduct;</div>
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|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  uint8_t klass = ((<a class="code" href="struct_u_s_b___d_e_v_i_c_e___d_e_s_c_r_i_p_t_o_r.html">USB_DEVICE_DESCRIPTOR</a>*)buf)->bDeviceClass;</div>
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|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div>
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<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">// Attempt to configure if VID/PID or device class matches with a driver</span></div>
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|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">for</span> (devConfigIndex = 0; devConfigIndex < <a class="code" href="_usb_8h.html#a0282f9f7a0313f957e02449d7313b7b5">USB_NUMDEVICES</a>; devConfigIndex++) {</div>
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|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">if</span> (!devConfig[devConfigIndex]) <span class="keywordflow">continue</span>; <span class="comment">// no driver</span></div>
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<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">if</span> (devConfig[devConfigIndex]->GetAddress()) <span class="keywordflow">continue</span>; <span class="comment">// consumed</span></div>
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|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">if</span> (devConfig[devConfigIndex]->VIDPIDOK(vid, pid) || devConfig[devConfigIndex]-><a class="code" href="class_u_s_b_device_config.html#a7f13c42ed2c8e72e1f63562576ca82d2">DEVCLASSOK</a>(klass)) {</div>
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|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  rcode = AttemptConfig(devConfigIndex, parent, port, lowspeed);</div>
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|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keywordflow">if</span> (rcode != <a class="code" href="_usb_8h.html#ae9e139d0fd29bb0b3e7afad2f76cd589">USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED</a>)</div>
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|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">break</span>;</div>
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|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  }</div>
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|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  }</div>
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<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> </div>
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<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span> (devConfigIndex < USB_NUMDEVICES) {</div>
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|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> rcode;</div>
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<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div>
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<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> </div>
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<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div>
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<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="comment">// blindly attempt to configure</span></div>
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<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">for</span> (devConfigIndex = 0; devConfigIndex < <a class="code" href="_usb_8h.html#a0282f9f7a0313f957e02449d7313b7b5">USB_NUMDEVICES</a>; devConfigIndex++) {</div>
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|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">if</span> (!devConfig[devConfigIndex]) <span class="keywordflow">continue</span>;</div>
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<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keywordflow">if</span> (devConfig[devConfigIndex]->GetAddress()) <span class="keywordflow">continue</span>; <span class="comment">// consumed</span></div>
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<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">if</span> (devConfig[devConfigIndex]->VIDPIDOK(vid, pid) || devConfig[devConfigIndex]->DEVCLASSOK(klass)) <span class="keywordflow">continue</span>; <span class="comment">// If this is true it means it must have returned USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED above</span></div>
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<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  rcode = AttemptConfig(devConfigIndex, parent, port, lowspeed);</div>
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<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> </div>
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<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="comment">//printf("ERROR ENUMERATING %2.2x\r\n", rcode);</span></div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">if</span> (!(rcode == <a class="code" href="_usb_8h.html#ae9e139d0fd29bb0b3e7afad2f76cd589">USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED</a> || rcode == <a class="code" href="_usb_8h.html#a44416ff64fc0e3691f98addac13d4595">USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE</a>)) {</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// in case of an error dev_index should be reset to 0</span></div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// in order to start from the very beginning the</span></div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="comment">// next time the program gets here</span></div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="comment">//if (rcode != USB_DEV_CONFIG_ERROR_DEVICE_INIT_INCOMPLETE)</span></div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// devConfigIndex = 0;</span></div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keywordflow">return</span> rcode;</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  }</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  }</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="comment">// if we get here that means that the device class is not supported by any of registered classes</span></div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  rcode = <a class="code" href="class_u_s_b.html#a5eb0d31372d26f0015a0d7be0b9ff4e1">DefaultAddressing</a>(parent, port, lowspeed);</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> </div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">return</span> rcode;</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> }</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span> </div>
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|
<div class="line"><a name="l00730"></a><span class="lineno"><a class="code" href="class_u_s_b.html#ac681c6c98e1641f705bc14d670a2663a"> 730</a></span> uint8_t <a class="code" href="class_u_s_b.html#ac681c6c98e1641f705bc14d670a2663a">USB::ReleaseDevice</a>(uint8_t addr) {</div>
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|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">if</span> (!addr)</div>
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|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">return</span> 0;</div>
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|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> </div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">for</span> (uint8_t i = 0; i < <a class="code" href="_usb_8h.html#a0282f9f7a0313f957e02449d7313b7b5">USB_NUMDEVICES</a>; i++) {</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordflow">if</span>(!devConfig[i]) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">if</span> (devConfig[i]->GetAddress() == addr)</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">return</span> devConfig[i]-><a class="code" href="class_u_s_b_device_config.html#a61e301efedae55c6ac12c6cce154e432">Release</a>();</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> }</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="preprocessor">#if 1 </span></div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span> <span class="preprocessor">//get device descriptor</span></div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a193e63c149fad46adabd77ceb09b2b24"> 745</a></span> uint8_t <a class="code" href="class_u_s_b.html#a193e63c149fad46adabd77ceb09b2b24" title="defined(USB_METHODS_INLINE) ">USB::getDevDescr</a>(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* dataptr) {</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(addr, ep, <a class="code" href="_usb_8h.html#a060f3a6423f1e3640aa7b14d5ce72285">bmREQ_GET_DESCR</a>, <a class="code" href="usb__ch9_8h.html#a3572226ee2137c7fbf7487a02b0f560f">USB_REQUEST_GET_DESCRIPTOR</a>, 0x00, <a class="code" href="usb__ch9_8h.html#ac6d0566773ed4549fe1a7a932e6c46de">USB_DESCRIPTOR_DEVICE</a>, 0x0000, nbytes, nbytes, dataptr, NULL));</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> }</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> <span class="comment">//get configuration descriptor</span></div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> </div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a618eedabc161d8315be45cae0c8b6f89"> 750</a></span> uint8_t <a class="code" href="class_u_s_b.html#a618eedabc161d8315be45cae0c8b6f89">USB::getConfDescr</a>(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t conf, uint8_t* dataptr) {</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(addr, ep, <a class="code" href="_usb_8h.html#a060f3a6423f1e3640aa7b14d5ce72285">bmREQ_GET_DESCR</a>, <a class="code" href="usb__ch9_8h.html#a3572226ee2137c7fbf7487a02b0f560f">USB_REQUEST_GET_DESCRIPTOR</a>, conf, <a class="code" href="usb__ch9_8h.html#aa17b365c4eb8bd2f6a4d4e4fb5f881c7">USB_DESCRIPTOR_CONFIGURATION</a>, 0x0000, nbytes, nbytes, dataptr, NULL));</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> }</div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> </div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a9ebd4acdc37b12bbab2ca893cb899eba"> 754</a></span> uint8_t <a class="code" href="class_u_s_b.html#a618eedabc161d8315be45cae0c8b6f89">USB::getConfDescr</a>(uint8_t addr, uint8_t ep, uint8_t conf, <a class="code" href="class_u_s_b_read_parser.html">USBReadParser</a> *p) {</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keyword">const</span> uint8_t bufSize = 64;</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  uint8_t buf[bufSize];</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> </div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  uint8_t ret = <a class="code" href="class_u_s_b.html#a618eedabc161d8315be45cae0c8b6f89">getConfDescr</a>(addr, ep, 8, conf, buf);</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> </div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keywordflow">if</span> (ret)</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keywordflow">return</span> ret;</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> </div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  uint16_t total = ((<a class="code" href="struct_u_s_b___c_o_n_f_i_g_u_r_a_t_i_o_n___d_e_s_c_r_i_p_t_o_r.html">USB_CONFIGURATION_DESCRIPTOR</a>*)buf)->wTotalLength;</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span> </div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="comment">//USBTRACE2("\r\ntotal conf.size:", total);</span></div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> </div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(addr, ep, <a class="code" href="_usb_8h.html#a060f3a6423f1e3640aa7b14d5ce72285">bmREQ_GET_DESCR</a>, <a class="code" href="usb__ch9_8h.html#a3572226ee2137c7fbf7487a02b0f560f">USB_REQUEST_GET_DESCRIPTOR</a>, conf, <a class="code" href="usb__ch9_8h.html#aa17b365c4eb8bd2f6a4d4e4fb5f881c7">USB_DESCRIPTOR_CONFIGURATION</a>, 0x0000, total, bufSize, buf, p));</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span> }</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> </div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span> <span class="comment">//get string descriptor</span></div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> </div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a372ecbe1d23955e8b04b5e95e0e4a833"> 772</a></span> uint8_t <a class="code" href="class_u_s_b.html#a372ecbe1d23955e8b04b5e95e0e4a833">USB::getStrDescr</a>(uint8_t addr, uint8_t ep, uint16_t ns, uint8_t index, uint16_t langid, uint8_t* dataptr) {</div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(addr, ep, <a class="code" href="_usb_8h.html#a060f3a6423f1e3640aa7b14d5ce72285">bmREQ_GET_DESCR</a>, <a class="code" href="usb__ch9_8h.html#a3572226ee2137c7fbf7487a02b0f560f">USB_REQUEST_GET_DESCRIPTOR</a>, index, <a class="code" href="usb__ch9_8h.html#abbad38caa1ca9c52f47adccd3a850aed">USB_DESCRIPTOR_STRING</a>, langid, ns, ns, dataptr, NULL));</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span> }</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span> <span class="comment">//set address</span></div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span> </div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a3aea534daed66b5606fa798df7ad3c47"> 777</a></span> uint8_t <a class="code" href="class_u_s_b.html#a3aea534daed66b5606fa798df7ad3c47">USB::setAddr</a>(uint8_t oldaddr, uint8_t ep, uint8_t newaddr) {</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(oldaddr, ep, <a class="code" href="_usb_8h.html#af4965e768593007eacde7644979f56da">bmREQ_SET</a>, <a class="code" href="usb__ch9_8h.html#ac87659819bfd6491120c819fae2d46bc">USB_REQUEST_SET_ADDRESS</a>, newaddr, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL));</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> }</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="comment">//set configuration</span></div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> </div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"><a class="code" href="class_u_s_b.html#a31e2c132ec32ffdde94dff72be87c378"> 782</a></span> uint8_t <a class="code" href="class_u_s_b.html#a31e2c132ec32ffdde94dff72be87c378">USB::setConf</a>(uint8_t addr, uint8_t ep, uint8_t conf_value) {</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordflow">return</span> ( <a class="code" href="class_u_s_b.html#a636695a5c3d35cd6b9e31c54edfacd7c">ctrlReq</a>(addr, ep, <a class="code" href="_usb_8h.html#af4965e768593007eacde7644979f56da">bmREQ_SET</a>, <a class="code" href="usb__ch9_8h.html#aadef005acc40340955d34d9767ef297c">USB_REQUEST_SET_CONFIGURATION</a>, conf_value, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL));</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span> }</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> </div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> <span class="preprocessor">#endif // defined(USB_METHODS_INLINE)</span></div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> <span class="preprocessor"></span></div>
|
|
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