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command: Implemented a new command for performing intentional TDI-low resets

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dragonmux 2022-07-26 12:01:08 +01:00 committed by Piotr Esden-Tempski
parent 84c004281d
commit c2ce4430c8
1 changed files with 13 additions and 0 deletions
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13
src/command.c
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@ -33,6 +33,7 @@
#include "morse.h" #include "morse.h"
#include "version.h" #include "version.h"
#include "serialno.h" #include "serialno.h"
#include "jtagtap.h"
#ifdef ENABLE_RTT #ifdef ENABLE_RTT
#include "rtt.h" #include "rtt.h"
@ -56,6 +57,7 @@ static bool cmd_morse(target *t, int argc, char **argv);
static bool cmd_halt_timeout(target *t, int argc, const char **argv); static bool cmd_halt_timeout(target *t, int argc, const char **argv);
static bool cmd_connect_reset(target *t, int argc, const char **argv); static bool cmd_connect_reset(target *t, int argc, const char **argv);
static bool cmd_reset(target *t, int argc, const char **argv); static bool cmd_reset(target *t, int argc, const char **argv);
static bool cmd_tdi_low_reset(target *t, int argc, const char **argv);
#ifdef PLATFORM_HAS_POWER_SWITCH #ifdef PLATFORM_HAS_POWER_SWITCH
static bool cmd_target_power(target *t, int argc, const char **argv); static bool cmd_target_power(target *t, int argc, const char **argv);
#endif #endif
@ -82,6 +84,7 @@ const struct command_s cmd_list[] = {
{"halt_timeout", (cmd_handler)cmd_halt_timeout, "Timeout (ms) to wait until Cortex-M is halted: (Default 2000)" }, {"halt_timeout", (cmd_handler)cmd_halt_timeout, "Timeout (ms) to wait until Cortex-M is halted: (Default 2000)" },
{"connect_rst", (cmd_handler)cmd_connect_reset, "Configure connect under reset: (enable|disable)" }, {"connect_rst", (cmd_handler)cmd_connect_reset, "Configure connect under reset: (enable|disable)" },
{"reset", (cmd_handler)cmd_reset, "Pulse the nRST line - disconnects target" }, {"reset", (cmd_handler)cmd_reset, "Pulse the nRST line - disconnects target" },
{"tdi_low_reset", (cmd_handler)cmd_tdi_low_reset, "Pulse nRST with TDI set low to attempt to wake certain targets up (eg LPC82x)"},
#ifdef PLATFORM_HAS_POWER_SWITCH #ifdef PLATFORM_HAS_POWER_SWITCH
{"tpwr", (cmd_handler)cmd_target_power, "Supplies power to the target: (enable|disable)"}, {"tpwr", (cmd_handler)cmd_target_power, "Supplies power to the target: (enable|disable)"},
#endif #endif
@ -454,6 +457,16 @@ static bool cmd_reset(target *t, int argc, const char **argv)
return true; return true;
} }
static bool cmd_tdi_low_reset(target *t, int argc, const char **argv)
{
(void)t;
(void)argc;
(void)argv;
jtag_proc.jtagtap_next(true, false);
cmd_reset(NULL, 0, NULL);
return true;
}
#ifdef PLATFORM_HAS_POWER_SWITCH #ifdef PLATFORM_HAS_POWER_SWITCH
static bool cmd_target_power(target *t, int argc, const char **argv) static bool cmd_target_power(target *t, int argc, const char **argv)
{ {