specchioriflesso/USB_Host_Shield_2.0
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Make all serial fatal errors release the device. If this does not happen, replugs might not be detected.

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This commit is contained in:
Andrew J. Kroll 2018-01-13 22:53:19 -05:00
parent 8318e5eeba
commit eb885aca4d
3 changed files with 95 additions and 20 deletions
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63
cdcacm.cpp
View file

@ -278,39 +278,84 @@ uint8_t ACM::Poll() {
}
uint8_t ACM::RcvData(uint16_t *bytes_rcvd, uint8_t *dataptr) {
return pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, bytes_rcvd, dataptr);
uint8_t rv;
rv = pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, bytes_rcvd, dataptr);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t ACM::SndData(uint16_t nbytes, uint8_t *dataptr) {
return pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, nbytes, dataptr);
uint8_t rv;
rv = pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, nbytes, dataptr);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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 rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCOUT, CDC_SET_COMM_FEATURE, (fid & 0xff), (fid >> 8), bControlIface, nbytes, nbytes, dataptr, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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 rv;
if(rv && rv != hrNAK) {
Release();
}
return rv;
rv = ( 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 rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCOUT, CDC_CLEAR_COMM_FEATURE, (fid & 0xff), (fid >> 8), bControlIface, 0, 0, NULL, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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 rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCOUT, CDC_SET_LINE_CODING, 0x00, 0x00, bControlIface, sizeof (LINE_CODING), sizeof (LINE_CODING), (uint8_t*)dataptr, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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 rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCIN, CDC_GET_LINE_CODING, 0x00, 0x00, bControlIface, sizeof (LINE_CODING), sizeof (LINE_CODING), (uint8_t*)dataptr, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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 rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCOUT, CDC_SET_CONTROL_LINE_STATE, state, 0, bControlIface, 0, 0, NULL, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
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));
uint8_t rv;
rv = ( pUsb->ctrlReq(bAddress, 0, bmREQ_CDCOUT, CDC_SEND_BREAK, (duration & 0xff), (duration >> 8), bControlIface, 0, 0, NULL, NULL));
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
void ACM::PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr) {

46
cdcftdi.cpp
View file

@ -182,7 +182,7 @@ uint8_t FTDI::Init(uint8_t parent, uint8_t port, bool lowspeed) {
USBTRACE("FTDI configured\r\n");
bPollEnable = true;
ready = true;
return 0;
FailGetDevDescr:
@ -254,6 +254,7 @@ uint8_t FTDI::Release() {
bNumEP = 1;
qNextPollTime = 0;
bPollEnable = false;
ready = false;
return pAsync->OnRelease(this);
}
@ -275,7 +276,7 @@ uint8_t FTDI::Poll() {
uint8_t FTDI::SetBaudRate(uint32_t baud) {
uint16_t baud_value, baud_index = 0;
uint32_t divisor3;
uint8_t rv = 0;
divisor3 = 48000000 / 2 / baud; // divisor shifted 3 bits to the left
if(wFTDIType == FT232AM) {
@ -306,27 +307,56 @@ uint8_t FTDI::SetBaudRate(uint32_t baud) {
}
USBTRACE2("baud_value:", baud_value);
USBTRACE2("baud_index:", baud_index);
return pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_BAUD_RATE, baud_value & 0xff, baud_value >> 8, baud_index, 0, 0, NULL, NULL);
rv = pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_BAUD_RATE, baud_value & 0xff, baud_value >> 8, baud_index, 0, 0, NULL, NULL);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t FTDI::SetModemControl(uint16_t signal) {
return pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_MODEM_CTRL, signal & 0xff, signal >> 8, 0, 0, 0, NULL, NULL);
uint8_t rv;
rv = pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_MODEM_CTRL, signal & 0xff, signal >> 8, 0, 0, 0, NULL, NULL);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t FTDI::SetFlowControl(uint8_t protocol, uint8_t xon, uint8_t xoff) {
return pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_FLOW_CTRL, xon, xoff, protocol << 8, 0, 0, NULL, NULL);
uint8_t rv;
rv = pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_FLOW_CTRL, xon, xoff, protocol << 8, 0, 0, NULL, NULL);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t FTDI::SetData(uint16_t databm) {
return pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_DATA, databm & 0xff, databm >> 8, 0, 0, 0, NULL, NULL);
uint8_t rv;
rv = pUsb->ctrlReq(bAddress, 0, bmREQ_FTDI_OUT, FTDI_SIO_SET_DATA, databm & 0xff, databm >> 8, 0, 0, 0, NULL, NULL);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t FTDI::RcvData(uint16_t *bytes_rcvd, uint8_t *dataptr) {
return pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, bytes_rcvd, dataptr);
uint8_t rv;
rv = pUsb->inTransfer(bAddress, epInfo[epDataInIndex].epAddr, bytes_rcvd, dataptr);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
uint8_t FTDI::SndData(uint16_t nbytes, uint8_t *dataptr) {
return pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, nbytes, dataptr);
uint8_t rv;
rv = pUsb->outTransfer(bAddress, epInfo[epDataOutIndex].epAddr, nbytes, dataptr);
if(rv && rv != hrNAK) {
Release();
}
return rv;
}
void FTDI::PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr) {

6
cdcftdi.h
View file

@ -105,7 +105,8 @@ class FTDI : public USBDeviceConfig, public UsbConfigXtracter {
uint8_t bNumIface; // number of interfaces in the configuration
uint8_t bNumEP; // total number of EP in the configuration
uint32_t qNextPollTime; // next poll time
bool bPollEnable; // poll enable flag
volatile bool bPollEnable; // poll enable flag
volatile bool ready; //device ready indicator
uint16_t wFTDIType; // Type of FTDI chip
uint16_t wIdProduct; // expected PID
@ -141,10 +142,9 @@ public:
return (vid == FTDI_VID && pid == FTDI_PID);
}
virtual bool isReady() {
return bPollEnable;
return ready;
};
};
#endif // __CDCFTDI_H__