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dirtyJtag: writeTMS: honour tdi method parameter (required by gowin GW5A family)

This commit is contained in:
Gwenhael Goavec-Merou 2025-12-31 15:49:04 +01:00
parent 936fe64c4a
commit 097e236be8
1 changed files with 4 additions and 4 deletions
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8
src/dirtyJtag.cpp
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@ -174,19 +174,20 @@ int DirtyJtag::setClkFreq(uint32_t clkHZ)
int DirtyJtag::writeTMS(const uint8_t *tms, uint32_t len, int DirtyJtag::writeTMS(const uint8_t *tms, uint32_t len,
__attribute__((unused)) bool flush_buffer, __attribute__((unused)) bool flush_buffer,
__attribute__((unused)) const uint8_t tdi) const uint8_t tdi)
{ {
int actual_length; int actual_length;
if (len == 0) if (len == 0)
return 0; return 0;
uint8_t mask = SIG_TCK | SIG_TMS; uint8_t mask = SIG_TCK | SIG_TMS | SIG_TDI;
uint8_t buf[64]; uint8_t buf[64];
u_int buffer_idx = 0; u_int buffer_idx = 0;
for (uint32_t i = 0; i < len; i++) for (uint32_t i = 0; i < len; i++)
{ {
uint8_t val = (tms[i >> 3] & (1 << (i & 0x07))) ? SIG_TMS : 0; uint8_t val = (tms[i >> 3] & (1 << (i & 0x07))) ? SIG_TMS : 0;
val |= tdi ? SIG_TDI : 0;
buf[buffer_idx++] = CMD_SETSIG; buf[buffer_idx++] = CMD_SETSIG;
buf[buffer_idx++] = mask; buf[buffer_idx++] = mask;
buf[buffer_idx++] = val; buf[buffer_idx++] = val;
@ -205,8 +206,7 @@ int DirtyJtag::writeTMS(const uint8_t *tms, uint32_t len,
int ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP, int ret = libusb_bulk_transfer(dev_handle, DIRTYJTAG_WRITE_EP,
buf, buffer_idx, &actual_length, buf, buffer_idx, &actual_length,
DIRTYJTAG_TIMEOUT); DIRTYJTAG_TIMEOUT);
if (ret < 0) if (ret < 0) {
{
cerr << "writeTMS: usb bulk write failed " << ret << endl; cerr << "writeTMS: usb bulk write failed " << ret << endl;
return -EXIT_FAILURE; return -EXIT_FAILURE;
} }