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#include <stdio.h>
#include <stlink.h>
#include <string.h>
static void usage(void) {
puts("test-usb --reset");
puts("test-usb --no-reset");
}
int main(int ac, char** av) {
stlink_t* sl;
struct stlink_reg regs;
int reset = 0;
if (ac == 2) {
if (strcmp(av[1], "--reset") == 0)
reset = 2;
if (strcmp(av[1], "--no-reset") == 0)
reset = 1;
}
if (reset == 0) {
usage();
return(0);
}
sl = stlink_open_usb(10, reset, NULL, 0);
if (sl != NULL) {
printf("-- version\n");
stlink_version(sl);
printf("mode before doing anything: %d\n", stlink_current_mode(sl));
if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE) {
printf("-- exit_dfu_mode\n");
stlink_exit_dfu_mode(sl);
}
printf("-- enter_swd_mode\n");
stlink_enter_swd_mode(sl);
printf("-- mode after entering swd mode: %d\n", stlink_current_mode(sl));
printf("-- chip id: %#x\n", sl->chip_id);
printf("-- core_id: %#x\n", sl->core_id);
cortex_m3_cpuid_t cpuid;
if (stlink_cpu_id(sl, &cpuid)) {
printf("Failed reading stlink_cpu_id\n");
} else {
printf("cpuid:impl_id = %0#x, variant = %#x\n", cpuid.implementer_id, cpuid.variant);
printf("cpuid:part = %#x, rev = %#x\n", cpuid.part, cpuid.revision);
}
printf("-- read_sram\n");
static const uint32_t sram_base = STM32_SRAM_BASE;
uint32_t off;
for (off = 0; off < 16; off += 4)
stlink_read_mem32(sl, sram_base + off, 4);
printf("FP_CTRL\n");
stlink_read_mem32(sl, STLINK_REG_CM3_FP_CTRL, 4);
// no idea what reg this is...
// stlink_read_mem32(sl, 0xe000ed90, 4);
// no idea what register this is...
// stlink_read_mem32(sl, 0xe000edf0, 4);
// offset 0xC into TIM11 register? TIMx_DIER?
// stlink_read_mem32(sl, 0x4001100c, 4);
/* Test 32 bit write */
write_uint32(sl->q_buf, 0x01234567);
stlink_write_mem32(sl, 0x200000a8, 4);
write_uint32(sl->q_buf, 0x89abcdef);
stlink_write_mem32(sl, 0x200000ac, 4);
stlink_read_mem32(sl, 0x200000a8, 4);
stlink_read_mem32(sl, 0x200000ac, 4);
/* Test 8 bit write */
write_uint32(sl->q_buf, 0x01234567);
stlink_write_mem8(sl, 0x200001a8, 3);
write_uint32(sl->q_buf, 0x89abcdef);
stlink_write_mem8(sl, 0x200001ac, 3);
stlink_read_mem32(sl, 0x200001a8, 4);
stlink_read_mem32(sl, 0x200001ac, 4);
printf("-- status\n");
stlink_status(sl);
printf("-- reset\n");
stlink_reset(sl, RESET_AUTO);
stlink_force_debug(sl);
/* Test reg write */
stlink_write_reg(sl, 0x01234567, 3);
stlink_write_reg(sl, 0x89abcdef, 4);
stlink_write_reg(sl, 0x12345678, 15);
for (off = 0; off < 21; off += 1) stlink_read_reg(sl, off, ®s);
stlink_read_all_regs(sl, ®s);
printf("-- status\n");
stlink_status(sl);
printf("-- step\n");
stlink_step(sl);
printf("-- run\n");
stlink_run(sl, RUN_NORMAL);
printf("-- exit_debug_mode\n");
stlink_exit_debug_mode(sl);
stlink_close(sl);
}
return(0);
}
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