2011-06-22 19:41:22 +02:00
|
|
|
/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
|
|
|
|
|
|
|
|
This software may be distributed and modified under the terms of the GNU
|
|
|
|
General Public License version 2 (GPL2) as published by the Free Software
|
|
|
|
Foundation and appearing in the file GPL2.TXT included in the packaging of
|
|
|
|
this file. Please note that GPL2 Section 2[b] requires that all works based
|
|
|
|
on this software must also be made publicly available under the terms of
|
|
|
|
the GPL2 ("Copyleft").
|
|
|
|
|
|
|
|
Contact information
|
|
|
|
-------------------
|
|
|
|
|
|
|
|
Circuits At Home, LTD
|
|
|
|
Web : http://www.circuitsathome.com
|
|
|
|
e-mail : support@circuitsathome.com
|
|
|
|
*/
|
2011-05-19 04:24:13 +02:00
|
|
|
#include "cdcacm.h"
|
|
|
|
|
|
|
|
const uint8_t ACM::epDataInIndex = 1;
|
|
|
|
const uint8_t ACM::epDataOutIndex = 2;
|
|
|
|
const uint8_t ACM::epInterruptInIndex = 3;
|
|
|
|
|
|
|
|
ACM::ACM(USB *p, CDCAsyncOper *pasync) :
|
|
|
|
pUsb(p),
|
|
|
|
pAsync(pasync),
|
|
|
|
bAddress(0),
|
|
|
|
qNextPollTime(0),
|
|
|
|
bPollEnable(false),
|
|
|
|
bControlIface(0),
|
|
|
|
bDataIface(0),
|
2012-02-29 20:37:16 +01:00
|
|
|
bNumEP(1),
|
|
|
|
ready(false)
|
2011-05-19 04:24:13 +02:00
|
|
|
{
|
|
|
|
for(uint8_t i=0; i<ACM_MAX_ENDPOINTS; i++)
|
|
|
|
{
|
|
|
|
epInfo[i].epAddr = 0;
|
|
|
|
epInfo[i].maxPktSize = (i) ? 0 : 8;
|
|
|
|
epInfo[i].epAttribs = 0;
|
2012-02-29 20:37:16 +01:00
|
|
|
epInfo[i].bmNakPower = USB_NAK_NOWAIT;
|
|
|
|
//epInfo[i].bmNakPower = USB_NAK_MAX_POWER;
|
2012-01-10 20:49:42 +01:00
|
|
|
|
2012-02-29 20:37:16 +01:00
|
|
|
if (!i)
|
|
|
|
epInfo[i].bmNakPower = USB_NAK_MAX_POWER;
|
|
|
|
|
2011-05-19 04:24:13 +02:00
|
|
|
}
|
|
|
|
if (pUsb)
|
|
|
|
pUsb->RegisterDeviceClass(this);
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::Init(uint8_t parent, uint8_t port, bool lowspeed)
|
|
|
|
{
|
|
|
|
const uint8_t constBufSize = sizeof(USB_DEVICE_DESCRIPTOR);
|
|
|
|
|
|
|
|
uint8_t buf[constBufSize];
|
|
|
|
uint8_t rcode;
|
|
|
|
UsbDevice *p = NULL;
|
|
|
|
EpInfo *oldep_ptr = NULL;
|
|
|
|
uint8_t num_of_conf; // number of configurations
|
|
|
|
|
|
|
|
AddressPool &addrPool = pUsb->GetAddressPool();
|
|
|
|
|
|
|
|
USBTRACE("ACM Init\r\n");
|
|
|
|
|
|
|
|
if (bAddress)
|
|
|
|
return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
|
|
|
|
|
|
|
|
// Get pointer to pseudo device with address 0 assigned
|
|
|
|
p = addrPool.GetUsbDevicePtr(0);
|
|
|
|
|
|
|
|
if (!p)
|
|
|
|
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
|
|
|
|
|
|
|
|
if (!p->epinfo)
|
|
|
|
{
|
|
|
|
USBTRACE("epinfo\r\n");
|
|
|
|
return USB_ERROR_EPINFO_IS_NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Save old pointer to EP_RECORD of address 0
|
|
|
|
oldep_ptr = p->epinfo;
|
|
|
|
|
|
|
|
// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
|
|
|
|
p->epinfo = epInfo;
|
|
|
|
|
|
|
|
p->lowspeed = lowspeed;
|
|
|
|
|
|
|
|
// Get device descriptor
|
|
|
|
rcode = pUsb->getDevDescr( 0, 0, constBufSize, (uint8_t*)buf );
|
|
|
|
|
|
|
|
// Restore p->epinfo
|
|
|
|
p->epinfo = oldep_ptr;
|
|
|
|
|
|
|
|
if( rcode )
|
|
|
|
goto FailGetDevDescr;
|
|
|
|
|
|
|
|
// Allocate new address according to device class
|
|
|
|
bAddress = addrPool.AllocAddress(parent, false, port);
|
|
|
|
|
|
|
|
if (!bAddress)
|
|
|
|
return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
|
|
|
|
|
|
|
|
// Extract Max Packet Size from the device descriptor
|
|
|
|
epInfo[0].maxPktSize = (uint8_t)((USB_DEVICE_DESCRIPTOR*)buf)->bMaxPacketSize0;
|
|
|
|
|
|
|
|
// Assign new address to the device
|
|
|
|
rcode = pUsb->setAddr( 0, 0, bAddress );
|
|
|
|
|
|
|
|
if (rcode)
|
|
|
|
{
|
|
|
|
p->lowspeed = false;
|
|
|
|
addrPool.FreeAddress(bAddress);
|
|
|
|
bAddress = 0;
|
|
|
|
USBTRACE2("setAddr:",rcode);
|
|
|
|
return rcode;
|
|
|
|
}
|
|
|
|
|
|
|
|
USBTRACE2("Addr:", bAddress);
|
|
|
|
|
|
|
|
p->lowspeed = false;
|
|
|
|
|
|
|
|
p = addrPool.GetUsbDevicePtr(bAddress);
|
|
|
|
|
|
|
|
if (!p)
|
|
|
|
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
|
|
|
|
|
|
|
|
p->lowspeed = lowspeed;
|
|
|
|
|
|
|
|
num_of_conf = ((USB_DEVICE_DESCRIPTOR*)buf)->bNumConfigurations;
|
|
|
|
|
|
|
|
// Assign epInfo to epinfo pointer
|
|
|
|
rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
|
|
|
|
|
|
|
|
if (rcode)
|
|
|
|
goto FailSetDevTblEntry;
|
|
|
|
|
|
|
|
USBTRACE2("NC:", num_of_conf);
|
|
|
|
|
|
|
|
for (uint8_t i=0; i<num_of_conf; i++)
|
|
|
|
{
|
|
|
|
ConfigDescParser< USB_CLASS_COM_AND_CDC_CTRL,
|
|
|
|
CDC_SUBCLASS_ACM,
|
|
|
|
CDC_PROTOCOL_ITU_T_V_250,
|
|
|
|
CP_MASK_COMPARE_CLASS |
|
|
|
|
CP_MASK_COMPARE_SUBCLASS |
|
|
|
|
CP_MASK_COMPARE_PROTOCOL> CdcControlParser(this);
|
|
|
|
|
|
|
|
ConfigDescParser<USB_CLASS_CDC_DATA, 0, 0,
|
|
|
|
CP_MASK_COMPARE_CLASS> CdcDataParser(this);
|
|
|
|
|
|
|
|
rcode = pUsb->getConfDescr(bAddress, 0, i, &CdcControlParser);
|
|
|
|
rcode = pUsb->getConfDescr(bAddress, 0, i, &CdcDataParser);
|
|
|
|
|
|
|
|
if (bNumEP > 1)
|
|
|
|
break;
|
|
|
|
} // for
|
|
|
|
|
|
|
|
if (bNumEP < 4)
|
|
|
|
return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
|
|
|
|
|
|
|
|
// Assign epInfo to epinfo pointer
|
|
|
|
rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
|
|
|
|
|
|
|
|
USBTRACE2("Conf:", bConfNum);
|
|
|
|
|
|
|
|
// Set Configuration Value
|
|
|
|
rcode = pUsb->setConf(bAddress, 0, bConfNum);
|
|
|
|
|
|
|
|
if (rcode)
|
|
|
|
goto FailSetConf;
|
|
|
|
|
|
|
|
rcode = pAsync->OnInit(this);
|
|
|
|
|
|
|
|
if (rcode)
|
|
|
|
goto FailOnInit;
|
|
|
|
|
|
|
|
USBTRACE("ACM configured\r\n");
|
2012-02-29 20:37:16 +01:00
|
|
|
ready = true;
|
2011-05-19 04:24:13 +02:00
|
|
|
|
|
|
|
//bPollEnable = true;
|
|
|
|
|
|
|
|
//USBTRACE("Poll enabled\r\n");
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
FailGetDevDescr:
|
|
|
|
USBTRACE("getDevDescr:");
|
|
|
|
goto Fail;
|
|
|
|
|
|
|
|
FailSetDevTblEntry:
|
|
|
|
USBTRACE("setDevTblEn:");
|
|
|
|
goto Fail;
|
|
|
|
|
|
|
|
FailGetConfDescr:
|
|
|
|
USBTRACE("getConf:");
|
|
|
|
goto Fail;
|
|
|
|
|
|
|
|
FailSetConf:
|
|
|
|
USBTRACE("setConf:");
|
|
|
|
goto Fail;
|
|
|
|
|
|
|
|
FailOnInit:
|
|
|
|
USBTRACE("OnInit:");
|
|
|
|
goto Fail;
|
|
|
|
|
|
|
|
Fail:
|
|
|
|
Serial.println(rcode, HEX);
|
|
|
|
Release();
|
|
|
|
return rcode;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void ACM::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep)
|
|
|
|
{
|
2012-04-03 22:09:04 +02:00
|
|
|
//ErrorMessage<uint8_t>(PSTR("Conf.Val"), conf);
|
|
|
|
//ErrorMessage<uint8_t>(PSTR("Iface Num"),iface);
|
|
|
|
//ErrorMessage<uint8_t>(PSTR("Alt.Set"), alt);
|
2011-05-19 04:24:13 +02:00
|
|
|
|
|
|
|
bConfNum = conf;
|
|
|
|
|
|
|
|
uint8_t index;
|
|
|
|
|
|
|
|
if ((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80)
|
|
|
|
index = epInterruptInIndex;
|
|
|
|
else
|
|
|
|
if ((pep->bmAttributes & 0x02) == 2)
|
|
|
|
index = ((pep->bEndpointAddress & 0x80) == 0x80) ? epDataInIndex : epDataOutIndex;
|
|
|
|
else
|
|
|
|
return;
|
|
|
|
|
|
|
|
// Fill in the endpoint info structure
|
|
|
|
epInfo[index].epAddr = (pep->bEndpointAddress & 0x0F);
|
|
|
|
epInfo[index].maxPktSize = (uint8_t)pep->wMaxPacketSize;
|
2012-02-29 20:37:16 +01:00
|
|
|
//epInfo[index].epAttribs = 0;
|
2011-05-19 04:24:13 +02:00
|
|
|
|
|
|
|
bNumEP ++;
|
|
|
|
|
2012-04-03 22:09:04 +02:00
|
|
|
//PrintEndpointDescriptor(pep);
|
2011-05-19 04:24:13 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::Release()
|
|
|
|
{
|
|
|
|
pUsb->GetAddressPool().FreeAddress(bAddress);
|
|
|
|
|
|
|
|
bControlIface = 0;
|
|
|
|
bDataIface = 0;
|
|
|
|
bNumEP = 1;
|
|
|
|
|
|
|
|
bAddress = 0;
|
|
|
|
qNextPollTime = 0;
|
|
|
|
bPollEnable = false;
|
2012-02-29 20:37:16 +01:00
|
|
|
ready = false;
|
2011-05-19 04:24:13 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::Poll()
|
|
|
|
{
|
|
|
|
uint8_t rcode = 0;
|
|
|
|
|
|
|
|
if (!bPollEnable)
|
|
|
|
return 0;
|
|
|
|
|
2012-02-29 20:37:16 +01:00
|
|
|
//uint32_t time_now = millis();
|
2011-05-19 04:24:13 +02:00
|
|
|
|
2011-06-06 05:22:39 +02:00
|
|
|
//if (qNextPollTime <= time_now)
|
|
|
|
//{
|
|
|
|
// qNextPollTime = time_now + 100;
|
|
|
|
|
|
|
|
// uint8_t rcode;
|
|
|
|
// const uint8_t constBufSize = 16;
|
|
|
|
// uint8_t buf[constBufSize];
|
|
|
|
|
|
|
|
// for (uint8_t i=0; i<constBufSize; i++)
|
|
|
|
// buf[i] = 0;
|
|
|
|
|
|
|
|
// uint16_t read = (constBufSize > epInfo[epInterruptInIndex].maxPktSize)
|
|
|
|
// ? epInfo[epInterruptInIndex].maxPktSize : constBufSize;
|
|
|
|
// rcode = pUsb->inTransfer(bAddress, epInfo[epInterruptInIndex].epAddr, &read, buf);
|
|
|
|
|
|
|
|
// if (rcode)
|
|
|
|
// return rcode;
|
|
|
|
|
|
|
|
// for (uint8_t i=0; i<read; i++)
|
|
|
|
// {
|
|
|
|
// PrintHex<uint8_t>(buf[i]);
|
|
|
|
// Serial.print(" ");
|
|
|
|
// }
|
|
|
|
// USBTRACE("\r\n");
|
|
|
|
//}
|
2011-05-19 04:24:13 +02:00
|
|
|
return rcode;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::RcvData(uint16_t *bytes_rcvd, uint8_t *dataptr)
|
|
|
|
{
|
|
|
|
return pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, bytes_rcvd, dataptr);
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::SndData(uint16_t nbytes, uint8_t *dataptr)
|
|
|
|
{
|
|
|
|
return pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, nbytes, dataptr);
|
|
|
|
}
|
|
|
|
|
2012-04-03 22:09:04 +02:00
|
|
|
/* untested */
|
|
|
|
uint8_t ACM::GetNotif( uint16_t *bytes_rcvd, uint8_t *dataptr )
|
|
|
|
{
|
|
|
|
return pUsb->inTransfer(bAddress, epInfo[epInterruptInIndex].epAddr, bytes_rcvd, dataptr);
|
|
|
|
}
|
|
|
|
|
2011-05-19 04:24:13 +02:00
|
|
|
uint8_t ACM::SetCommFeature(uint16_t fid, uint8_t nbytes, uint8_t *dataptr)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCOUT, CDC_SET_COMM_FEATURE, (fid & 0xff), (fid >> 8), bControlIface, nbytes, nbytes, dataptr, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::GetCommFeature(uint16_t fid, uint8_t nbytes, uint8_t *dataptr)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCIN, CDC_GET_COMM_FEATURE, (fid & 0xff), (fid >> 8), bControlIface, nbytes, nbytes, dataptr, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::ClearCommFeature(uint16_t fid)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCOUT, CDC_CLEAR_COMM_FEATURE, (fid & 0xff), (fid >> 8), bControlIface, 0, 0, NULL, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::SetLineCoding(const LINE_CODING *dataptr)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCOUT, CDC_SET_LINE_CODING, 0x00, 0x00, bControlIface, sizeof(LINE_CODING), sizeof(LINE_CODING), (uint8_t*)dataptr, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::GetLineCoding(LINE_CODING *dataptr)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCIN, CDC_GET_LINE_CODING, 0x00, 0x00, bControlIface, sizeof(LINE_CODING), sizeof(LINE_CODING), (uint8_t*)dataptr, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::SetControlLineState(uint8_t state)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCOUT, CDC_SET_CONTROL_LINE_STATE, state, 0, bControlIface, 0, 0, NULL, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t ACM::SendBreak(uint16_t duration)
|
|
|
|
{
|
|
|
|
return( pUsb->ctrlReq( bAddress, 0, bmREQ_CDCOUT, CDC_SEND_BREAK, (duration & 0xff), (duration >> 8), bControlIface, 0, 0, NULL, NULL ));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void ACM::PrintEndpointDescriptor( const USB_ENDPOINT_DESCRIPTOR* ep_ptr )
|
|
|
|
{
|
|
|
|
Notify(PSTR("Endpoint descriptor:"));
|
|
|
|
Notify(PSTR("\r\nLength:\t\t"));
|
|
|
|
PrintHex<uint8_t>(ep_ptr->bLength);
|
|
|
|
Notify(PSTR("\r\nType:\t\t"));
|
|
|
|
PrintHex<uint8_t>(ep_ptr->bDescriptorType);
|
|
|
|
Notify(PSTR("\r\nAddress:\t"));
|
|
|
|
PrintHex<uint8_t>(ep_ptr->bEndpointAddress);
|
|
|
|
Notify(PSTR("\r\nAttributes:\t"));
|
|
|
|
PrintHex<uint8_t>(ep_ptr->bmAttributes);
|
|
|
|
Notify(PSTR("\r\nMaxPktSize:\t"));
|
|
|
|
PrintHex<uint16_t>(ep_ptr->wMaxPacketSize);
|
|
|
|
Notify(PSTR("\r\nPoll Intrv:\t"));
|
|
|
|
PrintHex<uint8_t>(ep_ptr->bInterval);
|
|
|
|
Notify(PSTR("\r\n"));
|
|
|
|
}
|