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application: fix JTAG transaction TDI output

This commit is contained in:
King Kévin 2021-03-16 23:28:32 +01:00
parent 563f8b604a
commit 3362f3a499
1 changed files with 2 additions and 2 deletions
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4
application.c
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@ -334,14 +334,14 @@ static void jtag_transaction(uint32_t tms, uint32_t tdi, uint8_t nb)
gpio_clear(channel_ports[jtag_tms_ch], channel_pins[jtag_tms_ch]); // set TMS low gpio_clear(channel_ports[jtag_tms_ch], channel_pins[jtag_tms_ch]); // set TMS low
} }
tms >>= 1; // go to next bit tms >>= 1; // go to next bit
if (jtag_tdi_ch >= channel_start && jtag_tdi_ch < channel_stop) { // TDI is configured if (jtag_tdi_ch >= channel_start && jtag_tdi_ch <= channel_stop) { // TDI is configured
if (tdi & 0x1) { if (tdi & 0x1) {
gpio_set(channel_ports[jtag_tdi_ch], channel_pins[jtag_tdi_ch]); // set TDI high gpio_set(channel_ports[jtag_tdi_ch], channel_pins[jtag_tdi_ch]); // set TDI high
} else { } else {
gpio_clear(channel_ports[jtag_tdi_ch], channel_pins[jtag_tdi_ch]); // set TDI low gpio_clear(channel_ports[jtag_tdi_ch], channel_pins[jtag_tdi_ch]); // set TDI low
} }
tdi >>= 1; // go to next bit
} }
tdi >>= 1; // go to next bit
gpio_clear(channel_ports[jtag_tck_ch], channel_pins[jtag_tck_ch]); // clock falling edge gpio_clear(channel_ports[jtag_tck_ch], channel_pins[jtag_tck_ch]); // clock falling edge
sleep_us(JTAG_SPEED); // wait for clock rising edge sleep_us(JTAG_SPEED); // wait for clock rising edge
gpio_set(channel_ports[jtag_tck_ch], channel_pins[jtag_tck_ch]); // clock rising edge gpio_set(channel_ports[jtag_tck_ch], channel_pins[jtag_tck_ch]); // clock rising edge