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esp_usb_jtag: toggleClk: ignore tdi/tms and keep these pins to the current state

This commit is contained in:
Gwenhael Goavec-Merou 2026-01-01 12:46:39 +01:00
parent c7c0d94168
commit d654a9d6d5
1 changed files with 4 additions and 4 deletions
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8
src/esp_usb_jtag.cpp
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@ -514,11 +514,14 @@ int esp_usb_jtag::writeTMS(const uint8_t *tms, uint32_t len, bool flush_buffer,
* the full sequence
* when len > OUT_BUF_SZ we have to sent OUT_BUF_SZ x n + remaining bits
* here is_high_nibble must be re-computed more than one time
* tms and tdi are ignored: current pins state are kept, only the clock
* is toggled.
*/
/* Here we have to write len bit or 2xlen Bytes
*/
int esp_usb_jtag::toggleClk(uint8_t tms, uint8_t tdi, uint32_t len)
int esp_usb_jtag::toggleClk(__attribute__((unused))uint8_t tms,
uint8_t __attribute__((unused))tdi, uint32_t len)
{
uint8_t buf[OUT_BUF_SZ];
char mess[256];
@ -530,9 +533,6 @@ int esp_usb_jtag::toggleClk(uint8_t tms, uint8_t tdi, uint32_t len)
if (len == 0)
return 0;
_tms = tms; // store tms as new default tms state
_tdi = tdi; // store tdi as new default tdi state
const uint8_t cmd = CMD_CLK(0, _tdi, _tms); // cmd is constant
const uint8_t prev_high_nibble = (cmd << 4) | cmd;
uint32_t real_len = 0;