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<a href="usbhost_8h.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><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">This program is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">the Free Software Foundation; either version 2 of the License, or</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">(at your option) any later version.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">GNU General Public License for more details.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">along with this program; if not, write to the Free Software</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">Contact information</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">-------------------</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">Circuits At Home, LTD</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">Web : http://www.circuitsathome.com</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">e-mail : support@circuitsathome.com</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/* MAX3421E-based USB Host Library header file */</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#if !defined(_usb_h_) || defined(_USBHOST_H_)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#error "Never include usbhost.h directly; include Usb.h instead"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define _USBHOST_H_</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <spi4teensy3.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/* SPI initialization */</span></div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="class_s_pi.html"> 38</a></span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_CLK, <span class="keyword">typename</span> SPI_MOSI, <span class="keyword">typename</span> SPI_MISO, <span class="keyword">typename</span> SPI_SS > <span class="keyword">class </span><a class="code" href="class_s_pi.html">SPi</a> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_s_pi.html#a52c803966a9437caf57d00c267121373">init</a>() {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// spi4teensy3 inits everything for us, except /SS</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// CLK, MOSI and MISO are hard coded for now.</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// spi4teensy3::init(0,0,0); // full speed, cpol 0, cpha 0</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  spi4teensy3::init(); <span class="comment">// full speed, cpol 0, cpha 0</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  SPI_SS::Set();</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#elif defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_s_pi.html#a52c803966a9437caf57d00c267121373">init</a>() {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.begin(); <span class="comment">// The SPI library with transaction will take care of setting up the pins - settings is set in beginTransaction()</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  SPI_SS::Set();</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#elif defined(STM32F4)</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#warning "You need to initialize the SPI interface manually when using the STM32F4 platform"</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_s_pi.html#a52c803966a9437caf57d00c267121373">init</a>() {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// Should be initialized by the user manually for now</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#elif !defined(SPDR)</span></div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="class_s_pi.html#a52c803966a9437caf57d00c267121373"> 61</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_s_pi.html#a52c803966a9437caf57d00c267121373">init</a>() {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  SPI_SS::Set();</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.begin();</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#if defined(__MIPSEL__)</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.setClockDivider(1);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#elif defined(__ARDUINO_X86__)</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"> #ifdef SPI_CLOCK_1M // Hack used to check if setClockSpeed is available</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.setClockSpeed(12000000); <span class="comment">// The MAX3421E can handle up to 26MHz, but in practice this was the maximum that I could reliably use</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"> #else</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.setClockDivider(SPI_CLOCK_DIV2); <span class="comment">// This will set the SPI frequency to 8MHz - it could be higher, but it is not supported in the old API</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"> #endif</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#elif !defined(RBL_NRF51822)</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.setClockDivider(4); <span class="comment">// Set speed to 84MHz/4=21MHz - the MAX3421E can handle up to 26MHz</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="class_s_pi.html#a52c803966a9437caf57d00c267121373">init</a>() {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//uint8_t tmp;</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  SPI_CLK::SetDirWrite();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  SPI_MOSI::SetDirWrite();</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  SPI_MISO::SetDirRead();</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">/* mode 00 (CPOL=0, CPHA=0) master, fclk/2. Mode 11 (CPOL=11, CPHA=11) is also supported by MAX3421E */</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  SPCR = 0x50;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  SPSR = 0x01; <span class="comment">// 0x01</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">//tmp = SPSR;</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">//tmp = SPDR;</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">/* SPI pin definitions. see avrpins.h */</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#if defined(PIN_SPI_SCK) && defined(PIN_SPI_MOSI) && defined(PIN_SPI_MISO) && defined(PIN_SPI_SS)</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// Use pin defines: https://github.com/arduino/Arduino/pull/4814</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// Based on: https://www.mikeash.com/pyblog/friday-qa-2015-03-20-preprocessor-abuse-and-optional-parentheses.html</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#define NOTHING_EXTRACT</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#define EXTRACT(...) EXTRACT __VA_ARGS__</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#define PASTE(x, ...) x ## __VA_ARGS__</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#define EVALUATING_PASTE(x, ...) PASTE(x, __VA_ARGS__)</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#define UNPAREN(x) EVALUATING_PASTE(NOTHING_, EXTRACT x)</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#define APPEND_PIN(pin) P ## pin // Appends the pin to 'P', e.g. 1 becomes P1</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#define MAKE_PIN(x) EVALUATING_PASTE(APPEND_, PIN(UNPAREN(x)))</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< MAKE_PIN(PIN_SPI_SCK), MAKE_PIN(PIN_SPI_MOSI), MAKE_PIN(PIN_SPI_MISO), MAKE_PIN(PIN_SPI_SS) ></a> spi;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#undef MAKE_PIN</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#elif defined(__AVR_ATmega1280__) || (__AVR_ATmega2560__) || defined(__AVR_ATmega32U4__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< Pb1, Pb2, Pb3, Pb0 ></a> spi;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__)</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< Pb5, Pb3, Pb4, Pb2 ></a> spi;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#elif defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__)</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< Pb7, Pb5, Pb6, Pb4 ></a> spi;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#elif (defined(CORE_TEENSY) && (defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__) || defined(__MKL26Z64__))) || defined(__ARDUINO_ARC__) || defined(__ARDUINO_X86__) || defined(__MIPSEL__) || defined(STM32F4)</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< P13, P11, P12, P10 ></a> spi;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#elif defined(ARDUINO_SAM_DUE) && defined(__SAM3X8E__)</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< P76, P75, P74, P10 ></a> spi;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#elif defined(RBL_NRF51822)</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< P16, P18, P17, P10 ></a> spi;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#elif defined(ESP8266)</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< P14, P13, P12, P15 ></a> spi;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#elif defined(ESP32)</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">typedef</span> <a class="code" href="class_s_pi.html">SPi< P18, P23, P19, P5 ></a> spi;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#error "No SPI entry in usbhost.h"</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016ef"> 127</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div><div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efa74e666f0192f8886fbb2be73fb852b0a"> 128</a></span>  <a class="code" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efa74e666f0192f8886fbb2be73fb852b0a">vbus_on</a> = 0,</div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efaeb979760d8e42acc9ef9d8085c955426"> 129</a></span>  <a class="code" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efaeb979760d8e42acc9ef9d8085c955426">vbus_off</a> = <a class="code" href="max3421e_8h.html#aff368111e79950099861bc3698fbaf0e">GPX_VBDET</a></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> } <a class="code" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016ef">VBUS_t</a>;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html"> 132</a></span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR > <span class="keyword">class </span><a class="code" href="class_m_a_x3421e.html">MAX3421e</a> <span class="comment">/* : public spi */</span> {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">static</span> uint8_t vbusState;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="class_m_a_x3421e.html">MAX3421e</a>();</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">void</span> regWr(uint8_t reg, uint8_t data);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  uint8_t* bytesWr(uint8_t reg, uint8_t nbytes, uint8_t* data_p);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">void</span> gpioWr(uint8_t data);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  uint8_t regRd(uint8_t reg);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  uint8_t* bytesRd(uint8_t reg, uint8_t nbytes, uint8_t* data_p);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  uint8_t gpioRd();</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  uint8_t gpioRdOutput();</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  uint16_t reset();</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  int8_t Init();</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  int8_t Init(<span class="keywordtype">int</span> mseconds);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a50e96bcc646e14e331ca15252667ace3"> 148</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_m_a_x3421e.html#a50e96bcc646e14e331ca15252667ace3">vbusPower</a>(<a class="code" href="usbhost_8h.html#ab1424f62efde609157774a4e80e016ef">VBUS_t</a> state) {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  regWr(<a class="code" href="max3421e_8h.html#a6b9f9d34ace73b82db1d41b870942fae">rPINCTL</a>, (<a class="code" href="max3421e_8h.html#a0bdabdb078bf1dcc89d654432bff40fa">bmFDUPSPI</a> | <a class="code" href="max3421e_8h.html#ac43fd01b46413767deb91becd3506de0">bmINTLEVEL</a> | state));</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#aa1e9380222063c40fbf43428f7c50d67"> 152</a></span>  uint8_t <a class="code" href="class_m_a_x3421e.html#aa1e9380222063c40fbf43428f7c50d67">getVbusState</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> vbusState;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  };</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">void</span> busprobe();</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  uint8_t GpxHandler();</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  uint8_t IntHandler();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  uint8_t Task();</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> };</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  uint8_t <a class="code" href="class_m_a_x3421e.html">MAX3421e< SPI_SS, INTR >::vbusState</a> = 0;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">/* constructor */</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a037ff4a4406e49302e4408d95833d54d"> 166</a></span> <a class="code" href="class_m_a_x3421e.html#a037ff4a4406e49302e4408d95833d54d">MAX3421e< SPI_SS, INTR >::MAX3421e</a>() {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// Leaving ADK hardware setup in here, for now. This really belongs with the other parts.</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor">#ifdef BOARD_MEGA_ADK</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// For Mega ADK, which has a Max3421e on-board, set MAX_RESET to output mode, and then set it to HIGH</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  P55::SetDirWrite();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  P55::Set();</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> };</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">/* write single byte into MAX3421 register */</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a53f1d4d8d100a709fd6b37b5e6f0829e"> 177</a></span> <span class="keywordtype">void</span> <a class="code" href="class_m_a_x3421e.html#a53f1d4d8d100a709fd6b37b5e6f0829e">MAX3421e< SPI_SS, INTR >::regWr</a>(uint8_t reg, uint8_t data) {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); <span class="comment">// The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  SPI_SS::Clear();</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  uint8_t c[2];</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  c[0] = reg | 0x02;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  c[1] = data;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  spi4teensy3::send(c, 2);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#elif defined(SPI_HAS_TRANSACTION) && !defined(ESP8266) && !defined(ESP32)</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  uint8_t c[2];</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  c[0] = reg | 0x02;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  c[1] = data;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(c, 2);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#elif defined(STM32F4)</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  uint8_t c[2];</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  c[0] = reg | 0x02;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  c[1] = data;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  HAL_SPI_Transmit(&SPI_Handle, c, 2, HAL_MAX_DELAY);</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#elif !defined(SPDR) // ESP8266, ESP32</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg | 0x02);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(data);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  SPDR = (reg | 0x02);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  SPDR = data;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  SPI_SS::Set();</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.endTransaction();</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> };</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">/* multiple-byte write */</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">/* returns a pointer to memory position after last written */</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a67229549b336fb1c000488382d35aaaa"> 220</a></span> uint8_t* <a class="code" href="class_m_a_x3421e.html#a67229549b336fb1c000488382d35aaaa">MAX3421e< SPI_SS, INTR >::bytesWr</a>(uint8_t reg, uint8_t nbytes, uint8_t* data_p) {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); <span class="comment">// The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  SPI_SS::Clear();</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  spi4teensy3::send(reg | 0x02);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  spi4teensy3::send(data_p, nbytes);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  data_p += nbytes;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#elif defined(STM32F4)</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  uint8_t data = reg | 0x02;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  HAL_SPI_Transmit(&SPI_Handle, &data, 1, HAL_MAX_DELAY);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  HAL_SPI_Transmit(&SPI_Handle, data_p, nbytes, HAL_MAX_DELAY);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  data_p += nbytes;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#elif !defined(__AVR__) || !defined(SPDR)</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor">#if defined(ESP8266) || defined(ESP32)</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  yield();</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg | 0x02);</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">while</span>(nbytes) {</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(*data_p);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  nbytes--;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  data_p++; <span class="comment">// advance data pointer</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  SPDR = (reg | 0x02); <span class="comment">//set WR bit and send register number</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">while</span>(nbytes) {</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF))); <span class="comment">//check if previous byte was sent</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  SPDR = (*data_p); <span class="comment">// send next data byte</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  nbytes--;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  data_p++; <span class="comment">// advance data pointer</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  SPI_SS::Set();</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.endTransaction();</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> ( data_p);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment">/* GPIO write */</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment">/*GPIO byte is split between 2 registers, so two writes are needed to write one byte */</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment">/* GPOUT bits are in the low nibble. 0-3 in IOPINS1, 4-7 in IOPINS2 */</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#afccded4a32cdc2a811f7437d3b489336"> 269</a></span> <span class="keywordtype">void</span> <a class="code" href="class_m_a_x3421e.html#afccded4a32cdc2a811f7437d3b489336">MAX3421e< SPI_SS, INTR >::gpioWr</a>(uint8_t data) {</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  regWr(<a class="code" href="max3421e_8h.html#a1ba1328dff83f8441af904a3e45620ec">rIOPINS1</a>, data);</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  data >>= 4;</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  regWr(<a class="code" href="max3421e_8h.html#a0ef7bfe2ee160a40a48ff4fa093b91de">rIOPINS2</a>, data);</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment">/* single host register read */</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a508fe70d1983cdaa71cce85ea9c75ec1"> 278</a></span> uint8_t <a class="code" href="class_m_a_x3421e.html#a508fe70d1983cdaa71cce85ea9c75ec1">MAX3421e< SPI_SS, INTR >::regRd</a>(uint8_t reg) {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); <span class="comment">// The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  SPI_SS::Clear();</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="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  spi4teensy3::send(reg);</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  uint8_t rv = spi4teensy3::receive();</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  SPI_SS::Set();</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#elif defined(STM32F4)</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  HAL_SPI_Transmit(&SPI_Handle, &reg, 1, HAL_MAX_DELAY);</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  uint8_t rv = 0;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  HAL_SPI_Receive(&SPI_Handle, &rv, 1, HAL_MAX_DELAY);</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  SPI_SS::Set();</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#elif !defined(SPDR) || defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg);</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  uint8_t rv = <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(0); <span class="comment">// Send empty byte</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  SPI_SS::Set();</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  SPDR = reg;</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  SPDR = 0; <span class="comment">// Send empty byte</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  SPI_SS::Set();</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  uint8_t rv = SPDR;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.endTransaction();</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">return</span> (rv);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> }</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment">/* multiple-byte register read */</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment">/* returns a pointer to a memory position after last read */</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#af136074eab636da10cf50a03d735c1b5"> 317</a></span> uint8_t* <a class="code" href="class_m_a_x3421e.html#af136074eab636da10cf50a03d735c1b5">MAX3421e< SPI_SS, INTR >::bytesRd</a>(uint8_t reg, uint8_t nbytes, uint8_t* data_p) {</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.beginTransaction(SPISettings(26000000, MSBFIRST, SPI_MODE0)); <span class="comment">// The MAX3421E can handle up to 26MHz, use MSB First and SPI mode 0</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  SPI_SS::Clear();</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor">#if USING_SPI4TEENSY3</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  spi4teensy3::send(reg);</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  spi4teensy3::receive(data_p, nbytes);</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  data_p += nbytes;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#elif defined(SPI_HAS_TRANSACTION) && !defined(ESP8266) && !defined(ESP32)</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  memset(data_p, 0, nbytes); <span class="comment">// Make sure we send out empty bytes</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(data_p, nbytes);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  data_p += nbytes;</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor">#elif defined(__ARDUINO_X86__)</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg);</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transferBuffer(NULL, data_p, nbytes);</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  data_p += nbytes;</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#elif defined(STM32F4)</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  HAL_SPI_Transmit(&SPI_Handle, &reg, 1, HAL_MAX_DELAY);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  memset(data_p, 0, nbytes); <span class="comment">// Make sure we send out empty bytes</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  HAL_SPI_Receive(&SPI_Handle, data_p, nbytes, HAL_MAX_DELAY);</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  data_p += nbytes;</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor">#elif !defined(SPDR) // ESP8266, ESP32</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  yield();</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(reg);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">while</span>(nbytes) {</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  *data_p++ = <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.transfer(0);</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  nbytes--;</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  SPDR = reg;</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF))); <span class="comment">//wait</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">while</span>(nbytes) {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  SPDR = 0; <span class="comment">// Send empty byte</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  nbytes--;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">while</span>(!(SPSR & (1 << SPIF)));</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  {</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  *data_p = SPDR;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  printf(<span class="stringliteral">"%2.2x "</span>, *data_p);</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  data_p++;</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  printf(<span class="stringliteral">"\r\n"</span>);</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  *data_p++ = SPDR;</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  SPI_SS::Set();</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="preprocessor">#if defined(SPI_HAS_TRANSACTION)</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a>.endTransaction();</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> ( data_p);</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">/* GPIO read. See gpioWr for explanation */</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">/* GPIN pins are in high nibbles of IOPINS1, IOPINS2 */</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#aac5d00653f8fb1cb61d9d7509acb8e00"> 384</a></span> uint8_t <a class="code" href="class_m_a_x3421e.html#aac5d00653f8fb1cb61d9d7509acb8e00">MAX3421e< SPI_SS, INTR >::gpioRd</a>() {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  uint8_t gpin = 0;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  gpin = regRd(<a class="code" href="max3421e_8h.html#a0ef7bfe2ee160a40a48ff4fa093b91de">rIOPINS2</a>); <span class="comment">//pins 4-7</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  gpin &= 0xf0; <span class="comment">//clean lower nibble</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  gpin |= (regRd(<a class="code" href="max3421e_8h.html#a1ba1328dff83f8441af904a3e45620ec">rIOPINS1</a>) >> 4); <span class="comment">//shift low bits and OR with upper from previous operation.</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> ( gpin);</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> }</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment">/* GPOUT pins are in low nibbles of IOPINS1, IOPINS2 */</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00397"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#aeef352a1518ea20bf7d1925c671c2c46"> 397</a></span> uint8_t <a class="code" href="class_m_a_x3421e.html#aeef352a1518ea20bf7d1925c671c2c46">MAX3421e< SPI_SS, INTR >::gpioRdOutput</a>() {</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  uint8_t gpout = 0;</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  gpout = regRd(<a class="code" href="max3421e_8h.html#a1ba1328dff83f8441af904a3e45620ec">rIOPINS1</a>); <span class="comment">//pins 0-3</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  gpout &= 0x0f; <span class="comment">//clean upper nibble</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  gpout |= (regRd(<a class="code" href="max3421e_8h.html#a0ef7bfe2ee160a40a48ff4fa093b91de">rIOPINS2</a>) << 4); <span class="comment">//shift high bits and OR with lower from previous operation.</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> ( gpout);</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> </div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment">/* reset MAX3421E. Returns number of cycles it took for PLL to stabilize after reset</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"> or zero if PLL haven't stabilized in 65535 cycles */</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a15b78912dd4b1c96b6ad141117dcb7ee"> 408</a></span> uint16_t <a class="code" href="class_m_a_x3421e.html#a15b78912dd4b1c96b6ad141117dcb7ee">MAX3421e< SPI_SS, INTR >::reset</a>() {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  uint16_t i = 0;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  regWr(<a class="code" href="max3421e_8h.html#a1bbe8e1e02d9c61c36a84ce452e49264">rUSBCTL</a>, <a class="code" href="max3421e_8h.html#ab1962423aacdcc5807722237974ee0ba">bmCHIPRES</a>);</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  regWr(<a class="code" href="max3421e_8h.html#a1bbe8e1e02d9c61c36a84ce452e49264">rUSBCTL</a>, 0x00);</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">while</span>(++i) {</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">if</span>((regRd(<a class="code" href="max3421e_8h.html#a1082650791b2a5cffb39d3caab1f48c7">rUSBIRQ</a>) & <a class="code" href="max3421e_8h.html#add73c33bb1cdb3b875f57cfa4ffdcad0">bmOSCOKIRQ</a>)) {</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">return</span> ( i);</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> }</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment">/* initialize MAX3421E. Set Host mode, pullups, and stuff. Returns 0 if success, -1 if not */</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00422"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a2866487c20c832731fd4fb478acb0195"> 422</a></span> int8_t <a class="code" href="class_m_a_x3421e.html#a2866487c20c832731fd4fb478acb0195">MAX3421e< SPI_SS, INTR >::Init</a>() {</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// Moved here.</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">// you really should not init hardware in the constructor when it involves locks.</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="comment">// Also avoids the vbus flicker issue confusing some devices.</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">/* pin and peripheral setup */</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  SPI_SS::Set();</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  spi::init();</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  INTR::SetDirRead();</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">/* MAX3421E - full-duplex SPI, level interrupt */</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">// GPX pin on. Moved here, otherwise we flicker the vbus.</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  regWr(<a class="code" href="max3421e_8h.html#a6b9f9d34ace73b82db1d41b870942fae">rPINCTL</a>, (<a class="code" href="max3421e_8h.html#a0bdabdb078bf1dcc89d654432bff40fa">bmFDUPSPI</a> | <a class="code" href="max3421e_8h.html#ac43fd01b46413767deb91becd3506de0">bmINTLEVEL</a>));</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span>(reset() == 0) { <span class="comment">//OSCOKIRQ hasn't asserted in time</span></div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">return</span> ( -1);</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</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>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#abf795283162c960c28a14cdebd1e1894">bmDPPULLDN</a> | <a class="code" href="max3421e_8h.html#a8883bd99c93d3bf820ab3be677922e85">bmDMPULLDN</a> | <a class="code" href="max3421e_8h.html#a59ab4e3dc0a4188b74ceb405833f5d3c">bmHOST</a>); <span class="comment">// set pull-downs, Host</span></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>  regWr(<a class="code" href="max3421e_8h.html#a9eb44efd473c493d40ad42bc52289de6">rHIEN</a>, <a class="code" href="max3421e_8h.html#a3b359995b8bc2c98d5987d90bc4d85eb">bmCONDETIE</a> | <a class="code" href="max3421e_8h.html#a16e643bd8f6523b174d586218f40dbc5">bmFRAMEIE</a>); <span class="comment">//connection detection</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> </div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">/* check if device is connected */</span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  regWr(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, <a class="code" href="max3421e_8h.html#af3d664335016e139354f2f6a99febff2">bmSAMPLEBUS</a>); <span class="comment">// sample USB bus</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">while</span>(!(regRd(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>) & <a class="code" href="max3421e_8h.html#af3d664335016e139354f2f6a99febff2">bmSAMPLEBUS</a>)); <span class="comment">//wait for sample operation to finish</span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  busprobe(); <span class="comment">//check if anything is connected</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  regWr(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, <a class="code" href="max3421e_8h.html#ac915bfa0fd869c8c841c106fe468c3b5">bmCONDETIRQ</a>); <span class="comment">//clear connection detect interrupt</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  regWr(<a class="code" href="max3421e_8h.html#a53da9de92c56d0cdac2a09ca10e94455">rCPUCTL</a>, 0x01); <span class="comment">//enable interrupt pin</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">return</span> ( 0);</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> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment">/* initialize MAX3421E. Set Host mode, pullups, and stuff. Returns 0 if success, -1 if not */</span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00459"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a332ce159a413244be9b95b8e08888bb8"> 459</a></span> int8_t <a class="code" href="class_m_a_x3421e.html#a2866487c20c832731fd4fb478acb0195">MAX3421e< SPI_SS, INTR >::Init</a>(<span class="keywordtype">int</span> mseconds) {</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <a class="code" href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a>();</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="comment">// Moved here.</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="comment">// you really should not init hardware in the constructor when it involves locks.</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// Also avoids the vbus flicker issue confusing some devices.</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">/* pin and peripheral setup */</span></div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  SPI_SS::SetDirWrite();</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  SPI_SS::Set();</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  spi::init();</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  INTR::SetDirRead();</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <a class="code" href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a>();</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">/* MAX3421E - full-duplex SPI, level interrupt, vbus off */</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  regWr(<a class="code" href="max3421e_8h.html#a6b9f9d34ace73b82db1d41b870942fae">rPINCTL</a>, (<a class="code" href="max3421e_8h.html#a0bdabdb078bf1dcc89d654432bff40fa">bmFDUPSPI</a> | <a class="code" href="max3421e_8h.html#ac43fd01b46413767deb91becd3506de0">bmINTLEVEL</a> | <a class="code" href="max3421e_8h.html#aff368111e79950099861bc3698fbaf0e">GPX_VBDET</a>));</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">if</span>(reset() == 0) { <span class="comment">//OSCOKIRQ hasn't asserted in time</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> ( -1);</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> </div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="comment">// Delay a minimum of 1 second to ensure any capacitors are drained.</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// 1 second is required to make sure we do not smoke a Microdrive!</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span>(mseconds < 1000) mseconds = 1000;</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  delay(mseconds);</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#abf795283162c960c28a14cdebd1e1894">bmDPPULLDN</a> | <a class="code" href="max3421e_8h.html#a8883bd99c93d3bf820ab3be677922e85">bmDMPULLDN</a> | <a class="code" href="max3421e_8h.html#a59ab4e3dc0a4188b74ceb405833f5d3c">bmHOST</a>); <span class="comment">// set pull-downs, Host</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> </div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  regWr(<a class="code" href="max3421e_8h.html#a9eb44efd473c493d40ad42bc52289de6">rHIEN</a>, <a class="code" href="max3421e_8h.html#a3b359995b8bc2c98d5987d90bc4d85eb">bmCONDETIE</a> | <a class="code" href="max3421e_8h.html#a16e643bd8f6523b174d586218f40dbc5">bmFRAMEIE</a>); <span class="comment">//connection detection</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">/* check if device is connected */</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  regWr(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>, <a class="code" href="max3421e_8h.html#af3d664335016e139354f2f6a99febff2">bmSAMPLEBUS</a>); <span class="comment">// sample USB bus</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">while</span>(!(regRd(<a class="code" href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a>) & <a class="code" href="max3421e_8h.html#af3d664335016e139354f2f6a99febff2">bmSAMPLEBUS</a>)); <span class="comment">//wait for sample operation to finish</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  busprobe(); <span class="comment">//check if anything is connected</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  regWr(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, <a class="code" href="max3421e_8h.html#ac915bfa0fd869c8c841c106fe468c3b5">bmCONDETIRQ</a>); <span class="comment">//clear connection detect interrupt</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  regWr(<a class="code" href="max3421e_8h.html#a53da9de92c56d0cdac2a09ca10e94455">rCPUCTL</a>, 0x01); <span class="comment">//enable interrupt pin</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> </div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="comment">// GPX pin on. This is done here so that busprobe will fail if we have a switch connected.</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  regWr(<a class="code" href="max3421e_8h.html#a6b9f9d34ace73b82db1d41b870942fae">rPINCTL</a>, (<a class="code" href="max3421e_8h.html#a0bdabdb078bf1dcc89d654432bff40fa">bmFDUPSPI</a> | <a class="code" href="max3421e_8h.html#ac43fd01b46413767deb91becd3506de0">bmINTLEVEL</a>));</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> </div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> ( 0);</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> }</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment">/* probe bus to determine device presence and speed and switch host to this speed */</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00503"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a517e877930090c612adf9f79fb5c8f3d"> 503</a></span> <span class="keywordtype">void</span> <a class="code" href="class_m_a_x3421e.html#a517e877930090c612adf9f79fb5c8f3d">MAX3421e< SPI_SS, INTR >::busprobe</a>() {</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  uint8_t bus_sample;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  bus_sample = regRd(<a class="code" href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a>); <span class="comment">//Get J,K status</span></div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  bus_sample &= (<a class="code" href="max3421e_8h.html#a8ea246f6fcbb926999a828b5fd4a2da8">bmJSTATUS</a> | <a class="code" href="max3421e_8h.html#af85b57e6dc78e03bc68949822f66b6de">bmKSTATUS</a>); <span class="comment">//zero the rest of the byte</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">switch</span>(bus_sample) { <span class="comment">//start full-speed or low-speed host</span></div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">case</span>( <a class="code" href="max3421e_8h.html#a8ea246f6fcbb926999a828b5fd4a2da8">bmJSTATUS</a>):</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span>((regRd(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>) & <a class="code" href="max3421e_8h.html#a9744878036529e375f3b017b22b1eda2">bmLOWSPEED</a>) == 0) {</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#a456c3175b4836ed1d2b276faeba55121">MODE_FS_HOST</a>); <span class="comment">//start full-speed host</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  vbusState = <a class="code" href="max3421e_8h.html#a8ec45bdb8c5273e99c3ab89349cb43f9">FSHOST</a>;</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#ab3da1b5bd1f43ba9f9da604841ba8802">MODE_LS_HOST</a>); <span class="comment">//start low-speed host</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  vbusState = <a class="code" href="max3421e_8h.html#aa05ee2be883f4b96948e18b0d55ab5c2">LSHOST</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="keywordflow">break</span>;</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">case</span>( <a class="code" href="max3421e_8h.html#af85b57e6dc78e03bc68949822f66b6de">bmKSTATUS</a>):</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">if</span>((regRd(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>) & bmLOWSPEED) == 0) {</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#ab3da1b5bd1f43ba9f9da604841ba8802">MODE_LS_HOST</a>); <span class="comment">//start low-speed host</span></div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  vbusState = <a class="code" href="max3421e_8h.html#aa05ee2be883f4b96948e18b0d55ab5c2">LSHOST</a>;</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#a456c3175b4836ed1d2b276faeba55121">MODE_FS_HOST</a>); <span class="comment">//start full-speed host</span></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  vbusState = <a class="code" href="max3421e_8h.html#a8ec45bdb8c5273e99c3ab89349cb43f9">FSHOST</a>;</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  }</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">case</span>( <a class="code" href="max3421e_8h.html#ad18cd77a4d34c4e0d4d9b5cfbaadc74f">bmSE1</a>): <span class="comment">//illegal state</span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  vbusState = <a class="code" href="max3421e_8h.html#a5c3d7b0a5b0933cfc0183cd36ea91f16">SE1</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="max3421e_8h.html#a601304fe868d2f4b84a504fc5599d703">bmSE0</a>): <span class="comment">//disconnected state</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  regWr(<a class="code" href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a>, <a class="code" href="max3421e_8h.html#abf795283162c960c28a14cdebd1e1894">bmDPPULLDN</a> | <a class="code" href="max3421e_8h.html#a8883bd99c93d3bf820ab3be677922e85">bmDMPULLDN</a> | <a class="code" href="max3421e_8h.html#a59ab4e3dc0a4188b74ceb405833f5d3c">bmHOST</a> | <a class="code" href="max3421e_8h.html#a562180c4d9e16433c011b5c0e9b5dc46">bmSEPIRQ</a>);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  vbusState = <a class="code" href="max3421e_8h.html#a3cb02fdd2d36f8a755c4b1946a0b0063">SE0</a>;</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  }<span class="comment">//end switch( bus_sample )</span></div><div class="line"><a name="l00534"></a><span class="lineno"> 534</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> <span class="comment">/* MAX3421 state change task and interrupt handler */</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00538"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#a07720e9f2311bfa0d66cfae746576946"> 538</a></span> uint8_t <a class="code" href="class_m_a_x3421e.html#a07720e9f2311bfa0d66cfae746576946">MAX3421e< SPI_SS, INTR >::Task</a>(<span class="keywordtype">void</span>) {</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  uint8_t rcode = 0;</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  uint8_t pinvalue;</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="comment">//USB_HOST_SERIAL.print("Vbus state: ");</span></div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="comment">//USB_HOST_SERIAL.println( vbusState, HEX );</span></div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  pinvalue = INTR::IsSet(); <span class="comment">//Read();</span></div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="comment">//pinvalue = digitalRead( MAX_INT );</span></div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span>(pinvalue == 0) {</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  rcode = IntHandler();</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="comment">// pinvalue = digitalRead( MAX_GPX );</span></div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="comment">// if( pinvalue == LOW ) {</span></div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">// GpxHandler();</span></div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="comment">// }</span></div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="comment">// usbSM(); //USB state machine</span></div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordflow">return</span> ( rcode);</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> }</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span> </div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="keyword">template</span>< <span class="keyword">typename</span> SPI_SS, <span class="keyword">typename</span> INTR ></div><div class="line"><a name="l00557"></a><span class="lineno"><a class="line" href="class_m_a_x3421e.html#af88faea04dd27cf354cf0643cc7acef2"> 557</a></span> uint8_t <a class="code" href="class_m_a_x3421e.html#af88faea04dd27cf354cf0643cc7acef2">MAX3421e< SPI_SS, INTR >::IntHandler</a>() {</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  uint8_t HIRQ;</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  uint8_t HIRQ_sendback = 0x00;</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  HIRQ = regRd(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>); <span class="comment">//determine interrupt source</span></div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">//if( HIRQ & bmFRAMEIRQ ) { //->1ms SOF interrupt handler</span></div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">// HIRQ_sendback |= bmFRAMEIRQ;</span></div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="comment">//}//end FRAMEIRQ handling</span></div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">if</span>(HIRQ & <a class="code" href="max3421e_8h.html#ac915bfa0fd869c8c841c106fe468c3b5">bmCONDETIRQ</a>) {</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  busprobe();</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  HIRQ_sendback |= <a class="code" href="max3421e_8h.html#ac915bfa0fd869c8c841c106fe468c3b5">bmCONDETIRQ</a>;</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  }</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="comment">/* End HIRQ interrupts handling, clear serviced IRQs */</span></div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  regWr(<a class="code" href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a>, HIRQ_sendback);</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">return</span> ( HIRQ_sendback);</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> }</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment">//template< typename SPI_SS, typename INTR ></span></div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment">//uint8_t MAX3421e< SPI_SS, INTR >::GpxHandler()</span></div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="comment">//{</span></div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="comment">// uint8_t GPINIRQ = regRd( rGPINIRQ ); //read GPIN IRQ register</span></div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="comment"></span><span class="comment">// return( GPINIRQ );</span></div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment">//}</span></div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span> </div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span> <span class="preprocessor">#endif // _USBHOST_H_</span></div><div class="ttc" id="max3421e_8h_html_aff368111e79950099861bc3698fbaf0e"><div class="ttname"><a href="max3421e_8h.html#aff368111e79950099861bc3698fbaf0e">GPX_VBDET</a></div><div class="ttdeci">#define GPX_VBDET</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00082">max3421e.h:82</a></div></div>
<div class="ttc" id="max3421e_8h_html_a1ba1328dff83f8441af904a3e45620ec"><div class="ttname"><a href="max3421e_8h.html#a1ba1328dff83f8441af904a3e45620ec">rIOPINS1</a></div><div class="ttdeci">#define rIOPINS1</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00088">max3421e.h:88</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a517e877930090c612adf9f79fb5c8f3d"><div class="ttname"><a href="class_m_a_x3421e.html#a517e877930090c612adf9f79fb5c8f3d">MAX3421e::busprobe</a></div><div class="ttdeci">void busprobe()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00503">usbhost.h:503</a></div></div>
<div class="ttc" id="max3421e_8h_html_a9eb44efd473c493d40ad42bc52289de6"><div class="ttname"><a href="max3421e_8h.html#a9eb44efd473c493d40ad42bc52289de6">rHIEN</a></div><div class="ttdeci">#define rHIEN</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00155">max3421e.h:155</a></div></div>
<div class="ttc" id="max3421e_8h_html_a8ec45bdb8c5273e99c3ab89349cb43f9"><div class="ttname"><a href="max3421e_8h.html#a8ec45bdb8c5273e99c3ab89349cb43f9">FSHOST</a></div><div class="ttdeci">#define FSHOST</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00037">max3421e.h:37</a></div></div>
<div class="ttc" id="max3421e_8h_html_a7e82a85eb165f82afde45df5f98504ff"><div class="ttname"><a href="max3421e_8h.html#a7e82a85eb165f82afde45df5f98504ff">rHCTL</a></div><div class="ttdeci">#define rHCTL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00181">max3421e.h:181</a></div></div>
<div class="ttc" id="max3421e_8h_html_ac915bfa0fd869c8c841c106fe468c3b5"><div class="ttname"><a href="max3421e_8h.html#ac915bfa0fd869c8c841c106fe468c3b5">bmCONDETIRQ</a></div><div class="ttdeci">#define bmCONDETIRQ</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00151">max3421e.h:151</a></div></div>
<div class="ttc" id="max3421e_8h_html_a3b359995b8bc2c98d5987d90bc4d85eb"><div class="ttname"><a href="max3421e_8h.html#a3b359995b8bc2c98d5987d90bc4d85eb">bmCONDETIE</a></div><div class="ttdeci">#define bmCONDETIE</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00163">max3421e.h:163</a></div></div>
<div class="ttc" id="max3421e_8h_html_ad18cd77a4d34c4e0d4d9b5cfbaadc74f"><div class="ttname"><a href="max3421e_8h.html#ad18cd77a4d34c4e0d4d9b5cfbaadc74f">bmSE1</a></div><div class="ttdeci">#define bmSE1</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00211">max3421e.h:211</a></div></div>
<div class="ttc" id="max3421e_8h_html_ab1962423aacdcc5807722237974ee0ba"><div class="ttname"><a href="max3421e_8h.html#ab1962423aacdcc5807722237974ee0ba">bmCHIPRES</a></div><div class="ttdeci">#define bmCHIPRES</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00064">max3421e.h:64</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_aa1e9380222063c40fbf43428f7c50d67"><div class="ttname"><a href="class_m_a_x3421e.html#aa1e9380222063c40fbf43428f7c50d67">MAX3421e::getVbusState</a></div><div class="ttdeci">uint8_t getVbusState(void)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00152">usbhost.h:152</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html"><div class="ttname"><a href="class_m_a_x3421e.html">MAX3421e</a></div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00132">usbhost.h:132</a></div></div>
<div class="ttc" id="max3421e_8h_html_a53da9de92c56d0cdac2a09ca10e94455"><div class="ttname"><a href="max3421e_8h.html#a53da9de92c56d0cdac2a09ca10e94455">rCPUCTL</a></div><div class="ttdeci">#define rCPUCTL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00067">max3421e.h:67</a></div></div>
<div class="ttc" id="max3421e_8h_html_a8ea246f6fcbb926999a828b5fd4a2da8"><div class="ttname"><a href="max3421e_8h.html#a8ea246f6fcbb926999a828b5fd4a2da8">bmJSTATUS</a></div><div class="ttdeci">#define bmJSTATUS</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00209">max3421e.h:209</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a15b78912dd4b1c96b6ad141117dcb7ee"><div class="ttname"><a href="class_m_a_x3421e.html#a15b78912dd4b1c96b6ad141117dcb7ee">MAX3421e::reset</a></div><div class="ttdeci">uint16_t reset()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00408">usbhost.h:408</a></div></div>
<div class="ttc" id="usbhost_8h_html_ab1424f62efde609157774a4e80e016efaeb979760d8e42acc9ef9d8085c955426"><div class="ttname"><a href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efaeb979760d8e42acc9ef9d8085c955426">vbus_off</a></div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00129">usbhost.h:129</a></div></div>
<div class="ttc" id="max3421e_8h_html_ab3da1b5bd1f43ba9f9da604841ba8802"><div class="ttname"><a href="max3421e_8h.html#ab3da1b5bd1f43ba9f9da604841ba8802">MODE_LS_HOST</a></div><div class="ttdeci">#define MODE_LS_HOST</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00232">max3421e.h:232</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_aeef352a1518ea20bf7d1925c671c2c46"><div class="ttname"><a href="class_m_a_x3421e.html#aeef352a1518ea20bf7d1925c671c2c46">MAX3421e::gpioRdOutput</a></div><div class="ttdeci">uint8_t gpioRdOutput()</div><div class="ttdoc">Reads the current GPI output values. </div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00397">usbhost.h:397</a></div></div>
<div class="ttc" id="max3421e_8h_html_ac43fd01b46413767deb91becd3506de0"><div class="ttname"><a href="max3421e_8h.html#ac43fd01b46413767deb91becd3506de0">bmINTLEVEL</a></div><div class="ttdeci">#define bmINTLEVEL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00076">max3421e.h:76</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_afccded4a32cdc2a811f7437d3b489336"><div class="ttname"><a href="class_m_a_x3421e.html#afccded4a32cdc2a811f7437d3b489336">MAX3421e::gpioWr</a></div><div class="ttdeci">void gpioWr(uint8_t data)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00269">usbhost.h:269</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a07720e9f2311bfa0d66cfae746576946"><div class="ttname"><a href="class_m_a_x3421e.html#a07720e9f2311bfa0d66cfae746576946">MAX3421e::Task</a></div><div class="ttdeci">uint8_t Task()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00538">usbhost.h:538</a></div></div>
<div class="ttc" id="max3421e_8h_html_a1bbe8e1e02d9c61c36a84ce452e49264"><div class="ttname"><a href="max3421e_8h.html#a1bbe8e1e02d9c61c36a84ce452e49264">rUSBCTL</a></div><div class="ttdeci">#define rUSBCTL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00062">max3421e.h:62</a></div></div>
<div class="ttc" id="max3421e_8h_html_a601304fe868d2f4b84a504fc5599d703"><div class="ttname"><a href="max3421e_8h.html#a601304fe868d2f4b84a504fc5599d703">bmSE0</a></div><div class="ttdeci">#define bmSE0</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00210">max3421e.h:210</a></div></div>
<div class="ttc" id="max3421e_8h_html_a59ab4e3dc0a4188b74ceb405833f5d3c"><div class="ttname"><a href="max3421e_8h.html#a59ab4e3dc0a4188b74ceb405833f5d3c">bmHOST</a></div><div class="ttdeci">#define bmHOST</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00170">max3421e.h:170</a></div></div>
<div class="ttc" id="max3421e_8h_html_a562180c4d9e16433c011b5c0e9b5dc46"><div class="ttname"><a href="max3421e_8h.html#a562180c4d9e16433c011b5c0e9b5dc46">bmSEPIRQ</a></div><div class="ttdeci">#define bmSEPIRQ</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00174">max3421e.h:174</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_aac5d00653f8fb1cb61d9d7509acb8e00"><div class="ttname"><a href="class_m_a_x3421e.html#aac5d00653f8fb1cb61d9d7509acb8e00">MAX3421e::gpioRd</a></div><div class="ttdeci">uint8_t gpioRd()</div><div class="ttdoc">Reads the current GPI input values. </div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00384">usbhost.h:384</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a2866487c20c832731fd4fb478acb0195"><div class="ttname"><a href="class_m_a_x3421e.html#a2866487c20c832731fd4fb478acb0195">MAX3421e::Init</a></div><div class="ttdeci">int8_t Init()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00422">usbhost.h:422</a></div></div>
<div class="ttc" id="max3421e_8h_html_aa05ee2be883f4b96948e18b0d55ab5c2"><div class="ttname"><a href="max3421e_8h.html#aa05ee2be883f4b96948e18b0d55ab5c2">LSHOST</a></div><div class="ttdeci">#define LSHOST</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00038">max3421e.h:38</a></div></div>
<div class="ttc" id="max3421e_8h_html_a330db4fc764b8ccae5214645c1ee5423"><div class="ttname"><a href="max3421e_8h.html#a330db4fc764b8ccae5214645c1ee5423">rMODE</a></div><div class="ttdeci">#define rMODE</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00167">max3421e.h:167</a></div></div>
<div class="ttc" id="max3421e_8h_html_a456c3175b4836ed1d2b276faeba55121"><div class="ttname"><a href="max3421e_8h.html#a456c3175b4836ed1d2b276faeba55121">MODE_FS_HOST</a></div><div class="ttdeci">#define MODE_FS_HOST</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00231">max3421e.h:231</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a50e96bcc646e14e331ca15252667ace3"><div class="ttname"><a href="class_m_a_x3421e.html#a50e96bcc646e14e331ca15252667ace3">MAX3421e::vbusPower</a></div><div class="ttdeci">void vbusPower(VBUS_t state)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00148">usbhost.h:148</a></div></div>
<div class="ttc" id="max3421e_8h_html_af85b57e6dc78e03bc68949822f66b6de"><div class="ttname"><a href="max3421e_8h.html#af85b57e6dc78e03bc68949822f66b6de">bmKSTATUS</a></div><div class="ttdeci">#define bmKSTATUS</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00208">max3421e.h:208</a></div></div>
<div class="ttc" id="max3421e_8h_html_a246dbd203f68062fab34f2869b76e479"><div class="ttname"><a href="max3421e_8h.html#a246dbd203f68062fab34f2869b76e479">rHRSL</a></div><div class="ttdeci">#define rHRSL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00203">max3421e.h:203</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_af136074eab636da10cf50a03d735c1b5"><div class="ttname"><a href="class_m_a_x3421e.html#af136074eab636da10cf50a03d735c1b5">MAX3421e::bytesRd</a></div><div class="ttdeci">uint8_t * bytesRd(uint8_t reg, uint8_t nbytes, uint8_t *data_p)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00317">usbhost.h:317</a></div></div>
<div class="ttc" id="settings_8h_html_a1289c5bfe1747cedd6acea1a4c95b4c6"><div class="ttname"><a href="settings_8h.html#a1289c5bfe1747cedd6acea1a4c95b4c6">XMEM_ACQUIRE_SPI</a></div><div class="ttdeci">#define XMEM_ACQUIRE_SPI()</div><div class="ttdef"><b>Definition:</b> <a href="settings_8h_source.html#l00134">settings.h:134</a></div></div>
<div class="ttc" id="max3421e_8h_html_a9744878036529e375f3b017b22b1eda2"><div class="ttname"><a href="max3421e_8h.html#a9744878036529e375f3b017b22b1eda2">bmLOWSPEED</a></div><div class="ttdeci">#define bmLOWSPEED</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00171">max3421e.h:171</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a67229549b336fb1c000488382d35aaaa"><div class="ttname"><a href="class_m_a_x3421e.html#a67229549b336fb1c000488382d35aaaa">MAX3421e::bytesWr</a></div><div class="ttdeci">uint8_t * bytesWr(uint8_t reg, uint8_t nbytes, uint8_t *data_p)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00220">usbhost.h:220</a></div></div>
<div class="ttc" id="class_s_pi_html"><div class="ttname"><a href="class_s_pi.html">SPi</a></div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00038">usbhost.h:38</a></div></div>
<div class="ttc" id="max3421e_8h_html_a9ab289252615caa2d19ceb4359d71a44"><div class="ttname"><a href="max3421e_8h.html#a9ab289252615caa2d19ceb4359d71a44">rHIRQ</a></div><div class="ttdeci">#define rHIRQ</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00144">max3421e.h:144</a></div></div>
<div class="ttc" id="max3421e_8h_html_a1082650791b2a5cffb39d3caab1f48c7"><div class="ttname"><a href="max3421e_8h.html#a1082650791b2a5cffb39d3caab1f48c7">rUSBIRQ</a></div><div class="ttdeci">#define rUSBIRQ</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00050">max3421e.h:50</a></div></div>
<div class="ttc" id="settings_8h_html_a909a9e2c3a84ded69a51e29986df52db"><div class="ttname"><a href="settings_8h.html#a909a9e2c3a84ded69a51e29986df52db">XMEM_RELEASE_SPI</a></div><div class="ttdeci">#define XMEM_RELEASE_SPI()</div><div class="ttdef"><b>Definition:</b> <a href="settings_8h_source.html#l00135">settings.h:135</a></div></div>
<div class="ttc" id="max3421e_8h_html_a0bdabdb078bf1dcc89d654432bff40fa"><div class="ttname"><a href="max3421e_8h.html#a0bdabdb078bf1dcc89d654432bff40fa">bmFDUPSPI</a></div><div class="ttdeci">#define bmFDUPSPI</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00075">max3421e.h:75</a></div></div>
<div class="ttc" id="max3421e_8h_html_a6b9f9d34ace73b82db1d41b870942fae"><div class="ttname"><a href="max3421e_8h.html#a6b9f9d34ace73b82db1d41b870942fae">rPINCTL</a></div><div class="ttdeci">#define rPINCTL</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00073">max3421e.h:73</a></div></div>
<div class="ttc" id="usbhost_8h_html_ab1424f62efde609157774a4e80e016ef"><div class="ttname"><a href="usbhost_8h.html#ab1424f62efde609157774a4e80e016ef">VBUS_t</a></div><div class="ttdeci">VBUS_t</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00127">usbhost.h:127</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a53f1d4d8d100a709fd6b37b5e6f0829e"><div class="ttname"><a href="class_m_a_x3421e.html#a53f1d4d8d100a709fd6b37b5e6f0829e">MAX3421e::regWr</a></div><div class="ttdeci">void regWr(uint8_t reg, uint8_t data)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00177">usbhost.h:177</a></div></div>
<div class="ttc" id="max3421e_8h_html_a16e643bd8f6523b174d586218f40dbc5"><div class="ttname"><a href="max3421e_8h.html#a16e643bd8f6523b174d586218f40dbc5">bmFRAMEIE</a></div><div class="ttdeci">#define bmFRAMEIE</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00164">max3421e.h:164</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_af88faea04dd27cf354cf0643cc7acef2"><div class="ttname"><a href="class_m_a_x3421e.html#af88faea04dd27cf354cf0643cc7acef2">MAX3421e::IntHandler</a></div><div class="ttdeci">uint8_t IntHandler()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00557">usbhost.h:557</a></div></div>
<div class="ttc" id="max3421e_8h_html_add73c33bb1cdb3b875f57cfa4ffdcad0"><div class="ttname"><a href="max3421e_8h.html#add73c33bb1cdb3b875f57cfa4ffdcad0">bmOSCOKIRQ</a></div><div class="ttdeci">#define bmOSCOKIRQ</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00054">max3421e.h:54</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a508fe70d1983cdaa71cce85ea9c75ec1"><div class="ttname"><a href="class_m_a_x3421e.html#a508fe70d1983cdaa71cce85ea9c75ec1">MAX3421e::regRd</a></div><div class="ttdeci">uint8_t regRd(uint8_t reg)</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00278">usbhost.h:278</a></div></div>
<div class="ttc" id="class_m_a_x3421e_html_a037ff4a4406e49302e4408d95833d54d"><div class="ttname"><a href="class_m_a_x3421e.html#a037ff4a4406e49302e4408d95833d54d">MAX3421e::MAX3421e</a></div><div class="ttdeci">MAX3421e()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00166">usbhost.h:166</a></div></div>
<div class="ttc" id="usbhost_8h_html_ab1424f62efde609157774a4e80e016efa74e666f0192f8886fbb2be73fb852b0a"><div class="ttname"><a href="usbhost_8h.html#ab1424f62efde609157774a4e80e016efa74e666f0192f8886fbb2be73fb852b0a">vbus_on</a></div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00128">usbhost.h:128</a></div></div>
<div class="ttc" id="settings_8h_html_a00c696e002848a253c812ca2f4509f04"><div class="ttname"><a href="settings_8h.html#a00c696e002848a253c812ca2f4509f04">USB_SPI</a></div><div class="ttdeci">#define USB_SPI</div><div class="ttdef"><b>Definition:</b> <a href="settings_8h_source.html#l00033">settings.h:33</a></div></div>
<div class="ttc" id="max3421e_8h_html_a3cb02fdd2d36f8a755c4b1946a0b0063"><div class="ttname"><a href="max3421e_8h.html#a3cb02fdd2d36f8a755c4b1946a0b0063">SE0</a></div><div class="ttdeci">#define SE0</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00035">max3421e.h:35</a></div></div>
<div class="ttc" id="max3421e_8h_html_a0ef7bfe2ee160a40a48ff4fa093b91de"><div class="ttname"><a href="max3421e_8h.html#a0ef7bfe2ee160a40a48ff4fa093b91de">rIOPINS2</a></div><div class="ttdeci">#define rIOPINS2</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00100">max3421e.h:100</a></div></div>
<div class="ttc" id="max3421e_8h_html_a8883bd99c93d3bf820ab3be677922e85"><div class="ttname"><a href="max3421e_8h.html#a8883bd99c93d3bf820ab3be677922e85">bmDMPULLDN</a></div><div class="ttdeci">#define bmDMPULLDN</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00176">max3421e.h:176</a></div></div>
<div class="ttc" id="max3421e_8h_html_a5c3d7b0a5b0933cfc0183cd36ea91f16"><div class="ttname"><a href="max3421e_8h.html#a5c3d7b0a5b0933cfc0183cd36ea91f16">SE1</a></div><div class="ttdeci">#define SE1</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00036">max3421e.h:36</a></div></div>
<div class="ttc" id="max3421e_8h_html_af3d664335016e139354f2f6a99febff2"><div class="ttname"><a href="max3421e_8h.html#af3d664335016e139354f2f6a99febff2">bmSAMPLEBUS</a></div><div class="ttdeci">#define bmSAMPLEBUS</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00185">max3421e.h:185</a></div></div>
<div class="ttc" id="class_s_pi_html_a52c803966a9437caf57d00c267121373"><div class="ttname"><a href="class_s_pi.html#a52c803966a9437caf57d00c267121373">SPi::init</a></div><div class="ttdeci">static void init()</div><div class="ttdef"><b>Definition:</b> <a href="usbhost_8h_source.html#l00061">usbhost.h:61</a></div></div>
<div class="ttc" id="max3421e_8h_html_abf795283162c960c28a14cdebd1e1894"><div class="ttname"><a href="max3421e_8h.html#abf795283162c960c28a14cdebd1e1894">bmDPPULLDN</a></div><div class="ttdeci">#define bmDPPULLDN</div><div class="ttdef"><b>Definition:</b> <a href="max3421e_8h_source.html#l00177">max3421e.h:177</a></div></div>
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