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dirtyjtag: Allow custom VID/PID via command line options 

Pass cable.vid and cable.pid to DirtyJtag constructor instead of using
hardcoded DIRTYJTAG_VID/PID. This allows users to use DirtyJTAG-compatible
firmware with custom USB VID/PID using the --vid and --pid flags:

  openFPGALoader -c dirtyJtag --vid 0x1337 --pid 0x0001 bitstream.fs

This is useful for custom DirtyJTAG implementations, embedded microcontrollers
with built-in JTAG adapters, or devices that use MS OS 2.0 descriptors for
automatic WinUSB driver loading with different VID/PID.

The default VID/PID (0x1209:0xC0CA) is preserved for backward compatibility.
This commit is contained in:
germaneguise 2025-12-27 16:12:31 +09:00
parent ac3ed1266d
commit c1c6e438a5
4 changed files with 5 additions and 6 deletions
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5
src/dirtyJtag.cpp
View File

@ -62,7 +62,7 @@ enum dirtyJtagSig {
SIG_SRST = (1 << 6)
};
DirtyJtag::DirtyJtag(uint32_t clkHZ, int8_t verbose):
DirtyJtag::DirtyJtag(uint32_t clkHZ, int8_t verbose, uint16_t vid, uint16_t pid):
_verbose(verbose),
dev_handle(NULL), usb_ctx(NULL), _tdi(0), _tms(0)
{
@ -73,8 +73,7 @@ DirtyJtag::DirtyJtag(uint32_t clkHZ, int8_t verbose):
throw std::exception();
}
dev_handle = libusb_open_device_with_vid_pid(usb_ctx,
DIRTYJTAG_VID, DIRTYJTAG_PID);
dev_handle = libusb_open_device_with_vid_pid(usb_ctx, vid, pid);
if (!dev_handle) {
cerr << "fails to open device" << endl;
libusb_exit(usb_ctx);

2
src/dirtyJtag.hpp
View File

@ -19,7 +19,7 @@
class DirtyJtag : public JtagInterface {
public:
DirtyJtag(uint32_t clkHZ, int8_t verbose);
DirtyJtag(uint32_t clkHZ, int8_t verbose, uint16_t vid = 0x1209, uint16_t pid = 0xC0CA);
virtual ~DirtyJtag();
int setClkFreq(uint32_t clkHZ) override;

2
src/jtag.cpp
View File

@ -139,7 +139,7 @@ Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
break;
case MODE_DIRTYJTAG:
#ifdef ENABLE_DIRTYJTAG
_jtag = new DirtyJtag(clkHZ, verbose);
_jtag = new DirtyJtag(clkHZ, verbose, cable.vid, cable.pid);
#else
std::cerr << "Jtag: support for dirtyJtag cable was not enabled at compile time" << std::endl;
throw std::exception();

2
src/xvc_server.cpp
View File

@ -60,7 +60,7 @@ XVC_server::XVC_server(int port, const cable_t & cable,
new CH552_jtag(cable.config, dev, serial, clkHZ, _verbose);
break;
case MODE_DIRTYJTAG:
_jtag = new DirtyJtag(clkHZ, _verbose);
_jtag = new DirtyJtag(clkHZ, _verbose, cable.vid, cable.pid);
break;
case MODE_JLINK:
_jtag = new Jlink(clkHZ, _verbose);