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stm32f1: jtag: add command to enable/disable JTAG

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This commit is contained in:
S.J.R. van Schaik 2019-02-15 16:47:14 +01:00
parent e3c592a9dc
commit ecc8911272
2 changed files with 31 additions and 0 deletions
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3
include/shell/jtag.h Normal file
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#pragma once
int shell_jtag(struct console *con, size_t argc, const char **argv);

28
source/shell/jtag.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libopencm3/stm32/gpio.h>
#include <console.h>
int shell_jtag(struct console *con, size_t argc, const char **argv)
{
int state = 0;
(void)con;
if (argc >= 2) {
state = (strcmp(argv[1], "on") == 0);
}
if (state) {
gpio_primary_remap(AFIO_MAPR_SWJ_CFG_FULL_SWJ,
AFIO_MAPR_TIM2_REMAP_PARTIAL_REMAP1);
} else {
gpio_primary_remap(AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON,
AFIO_MAPR_TIM2_REMAP_PARTIAL_REMAP1);
}
return 0;
}