// TODO - this should be done as just a simple flag to the st-util command line...
+#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DEBUG_LOG_LEVEL 100
#define STND_LOG_LEVEL 50
+stlink_t *connected_stlink = NULL;
+
+static void cleanup(int signal __attribute__((unused))) {
+ if (connected_stlink) {
+ /* Switch back to mass storage mode before closing. */
+ stlink_run(connected_stlink);
+ stlink_exit_debug_mode(connected_stlink);
+ stlink_close(connected_stlink);
+ }
+
+ exit(1);
+}
+
enum st_cmds {DO_WRITE = 0, DO_READ = 1, DO_ERASE = 2};
struct opts
{
enum st_cmds cmd;
const char* devname;
+ char *serial;
const char* filename;
stm32_addr_t addr;
size_t size;
static void usage(void)
{
- puts("stlinkv1 command line: ./st-flash [--debug] [--reset] {read|write} /dev/sgX path addr <size>");
+ puts("stlinkv1 command line: ./st-flash [--debug] [--reset] [--serial <iSerial>] {read|write} /dev/sgX path addr <size>");
puts("stlinkv1 command line: ./st-flash [--debug] /dev/sgX erase");
- puts("stlinkv2 command line: ./st-flash [--debug] [--reset] {read|write} path addr <size>");
- puts("stlinkv2 command line: ./st-flash [--debug] erase");
- puts(" use hex format for addr and <size>");
+ puts("stlinkv2 command line: ./st-flash [--debug] [--reset] [--serial <iSerial>] {read|write} path addr <size>");
+ puts("stlinkv2 command line: ./st-flash [--debug] [--serial <iSerial>] erase");
+ puts(" use hex format for addr, <iSerial> and <size>");
}
static int get_opts(struct opts* o, int ac, char** av)
o->reset = 0;
}
+ if (strcmp(av[0], "--serial") == 0)
+ {
+ ac--;
+ av++;
+ int i=strlen(av[0]);
+ if(i%2 != 0){
+ puts("no valid hex value, length must be multiple of 2\n");
+ return -1;
+ }
+ int j=0;
+ while(i>=0 && j<=13){
+ char buffer[3]={0};
+ memcpy(buffer,&av[0][i],2);
+ o->serial[12-j] = (char)strtol((const char*)buffer,NULL, 16);
+ j++;
+ i-=2;
+ }
+ ac--;
+ av++;
+ }
+ else
+ {
+ o->serial = NULL;
+ }
+
if (ac < 1) return -1;
/* stlinkv2 */
{
stlink_t* sl = NULL;
struct opts o;
+ char serial_buffer[13] = {0};
+ o.serial = serial_buffer;
int err = -1;
o.size = 0;
{
printf("invalid command line\n");
usage();
- goto on_error;
+ return -1;
}
if (o.devname != NULL) /* stlinkv1 */
- {
sl = stlink_v1_open(o.log_level, 1);
- if (sl == NULL) goto on_error;
- sl->verbose = o.log_level;
- }
else /* stlinkv2 */
- {
- sl = stlink_open_usb(o.log_level, 1);
- if (sl == NULL) goto on_error;
- sl->verbose = o.log_level;
- }
+ sl = stlink_open_usb(o.log_level, 1, o.serial);
+
+ if (sl == NULL)
+ return -1;
- if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
- stlink_exit_dfu_mode(sl);
+ sl->verbose = o.log_level;
- if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
- stlink_enter_swd_mode(sl);
+ connected_stlink = sl;
+ signal(SIGINT, &cleanup);
+ signal(SIGTERM, &cleanup);
+ signal(SIGSEGV, &cleanup);
+
+ if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE) {
+ if (stlink_exit_dfu_mode(sl)) {
+ printf("Failed to exit DFU mode\n");
+ goto on_error;
+ }
+ }
+
+ if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE) {
+ if (stlink_enter_swd_mode(sl)) {
+ printf("Failed to enter SWD mode\n");
+ goto on_error;
+ }
+ }
if (o.reset){
- stlink_jtag_reset(sl,2);
- stlink_reset(sl);
+ if (stlink_jtag_reset(sl, 2)) {
+ printf("Failed to reset JTAG\n");
+ goto on_error;
+ }
+
+ if (stlink_reset(sl)) {
+ printf("Failed to reset device\n");
+ goto on_error;
+ }
}
// Disable DMA - Set All DMA CCR Registers to zero. - AKS 1/7/2013
stlink_write_mem32(sl,0x40026400+0x24+0x18*i,4);
}
}
+
+ // Core must be halted to use RAM based flashloaders
+ if (stlink_force_debug(sl)) {
+ printf("Failed to halt the core\n");
+ goto on_error;
+ }
+
+ if (stlink_status(sl)) {
+ printf("Failed to get Core's status\n");
+ goto on_error;
+ }
+
if (o.cmd == DO_WRITE) /* write */
{
if ((o.addr >= sl->flash_base) &&
err = stlink_fwrite_sram(sl, o.filename, o.addr);
if (err == -1)
{
- printf("stlink_sram_flash() == -1\n");
+ printf("stlink_fwrite_sram() == -1\n");
goto on_error;
}
}
err = stlink_erase_flash_mass(sl);
if (err == -1)
{
- printf("stlink_fwrite_flash() == -1\n");
+ printf("stlink_erase_flash_mass() == -1\n");
goto on_error;
}
}
err = 0;
on_error:
- if (sl != NULL)
- {
- stlink_exit_debug_mode(sl);
- stlink_close(sl);
- }
+ stlink_exit_debug_mode(sl);
+ stlink_close(sl);
return err;
}