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Add possibility to set a custom FTDI PID, to be able to connect to customized FTDI chip

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This commit is contained in:
Daniel Romero 2015-12-29 20:51:40 +01:00
parent 30ec2e942f
commit 69cc399895
2 changed files with 14 additions and 4 deletions
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15
cdcftdi.cpp
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@ -20,12 +20,13 @@ const uint8_t FTDI::epDataInIndex = 1;
const uint8_t FTDI::epDataOutIndex = 2; const uint8_t FTDI::epDataOutIndex = 2;
const uint8_t FTDI::epInterruptInIndex = 3; const uint8_t FTDI::epInterruptInIndex = 3;
FTDI::FTDI(USB *p, FTDIAsyncOper *pasync) : FTDI::FTDI(USB *p, FTDIAsyncOper *pasync, uint16_t idProduct) :
pAsync(pasync), pAsync(pasync),
pUsb(p), pUsb(p),
bAddress(0), bAddress(0),
bNumEP(1), bNumEP(1),
wFTDIType(0) { wFTDIType(0),
wIdProduct(idProduct) {
for(uint8_t i = 0; i < FTDI_MAX_ENDPOINTS; i++) { for(uint8_t i = 0; i < FTDI_MAX_ENDPOINTS; i++) {
epInfo[i].epAddr = 0; epInfo[i].epAddr = 0;
epInfo[i].maxPktSize = (i) ? 0 : 8; epInfo[i].maxPktSize = (i) ? 0 : 8;
@ -82,8 +83,16 @@ uint8_t FTDI::Init(uint8_t parent, uint8_t port, bool lowspeed) {
if(rcode) if(rcode)
goto FailGetDevDescr; goto FailGetDevDescr;
if(udd->idVendor != FTDI_VID || udd->idProduct != FTDI_PID) if(udd->idVendor != FTDI_VID || udd->idProduct != wIdProduct)
{
USBTRACE("FTDI Init: Product not supported\r\n");
USBTRACE2("Expected VID:", FTDI_VID);
USBTRACE2("Found VID:", udd->idVendor);
USBTRACE2("Expected PID:", wIdProduct);
USBTRACE2("Found PID:", udd->idProduct);
return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED; return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
}
// Save type of FTDI chip // Save type of FTDI chip
wFTDIType = udd->bcdDevice; wFTDIType = udd->bcdDevice;

3
cdcftdi.h
View file

@ -107,13 +107,14 @@ class FTDI : public USBDeviceConfig, public UsbConfigXtracter {
uint32_t qNextPollTime; // next poll time uint32_t qNextPollTime; // next poll time
bool bPollEnable; // poll enable flag bool bPollEnable; // poll enable flag
uint16_t wFTDIType; // Type of FTDI chip uint16_t wFTDIType; // Type of FTDI chip
uint16_t wIdProduct; // expected PID
EpInfo epInfo[FTDI_MAX_ENDPOINTS]; EpInfo epInfo[FTDI_MAX_ENDPOINTS];
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr); void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
public: public:
FTDI(USB *pusb, FTDIAsyncOper *pasync); FTDI(USB *pusb, FTDIAsyncOper *pasync, uint16_t idProduct = FTDI_PID);
uint8_t SetBaudRate(uint32_t baud); uint8_t SetBaudRate(uint32_t baud);
uint8_t SetModemControl(uint16_t control); uint8_t SetModemControl(uint16_t control);