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hosted/remote_jtagtap: Implemented support for jtagtap_cycle

This commit is contained in:
dragonmux 2022-07-18 03:36:50 +01:00 committed by Piotr Esden-Tempski
parent 2bfd84d1b2
commit f02304dfdb
1 changed files with 20 additions and 0 deletions
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20
src/platforms/hosted/remote_jtagtap.c
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@ -33,6 +33,7 @@
#include "remote.h"
#include "jtagtap.h"
#include "bmp_hosted.h"
#include "bmp_remote.h"
static void jtagtap_reset(void);
@ -40,6 +41,7 @@ static void jtagtap_tms_seq(uint32_t MS, size_t ticks);
static void jtagtap_tdi_tdo_seq(uint8_t *DO, bool final_tms, const uint8_t *DI, size_t ticks);
static void jtagtap_tdi_seq(bool final_tms, const uint8_t *DI, size_t ticks);
static bool jtagtap_next(bool dTMS, bool dTDI);
static void jtagtap_cycle(bool tms, bool tdi, size_t clock_cycles);
int remote_jtagtap_init(jtag_proc_t *jtag_proc)
{
@ -63,6 +65,13 @@ int remote_jtagtap_init(jtag_proc_t *jtag_proc)
jtag_proc->jtagtap_tdi_tdo_seq = jtagtap_tdi_tdo_seq;
jtag_proc->jtagtap_tdi_seq = jtagtap_tdi_seq;
platform_buffer_write((uint8_t *)REMOTE_HL_CHECK_STR, sizeof(REMOTE_HL_CHECK_STR));
s = platform_buffer_read(construct, REMOTE_MAX_MSG_SIZE);
if (!s || construct[0] == REMOTE_RESP_ERR || construct[0] == 1)
PRINT_INFO("Firmware does not support newer JTAG commands, please update it.");
else
jtag_proc->jtagtap_cycle = jtagtap_cycle;
return 0;
}
@ -180,3 +189,14 @@ static bool jtagtap_next(bool dTMS, bool dTDI)
return remotehston(-1, (char *)&construct[1]);
}
static void jtagtap_cycle(const bool tms, const bool tdi, const size_t clock_cycles)
{
char buffer[REMOTE_MAX_MSG_SIZE];
int length = snprintf(buffer, REMOTE_MAX_MSG_SIZE, REMOTE_JTAG_CYCLE_STR, tms ? 1 : 0, tdi ? 1 : 0, clock_cycles);
platform_buffer_write((uint8_t *)buffer, length);
length = platform_buffer_read((uint8_t *)buffer, REMOTE_MAX_MSG_SIZE);
if (!length || buffer[0] == REMOTE_RESP_ERR)
DEBUG_WARN("jtagtap_cycle failed, error %s\n", length ? buffer + 1 : "unknown");
}