/* simple wrapper around the stlink_flash_write function */
+// TODO - this should be done as just a simple flag to the st-util command line...
+
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
#include "stlink-common.h"
+enum st_cmds {DO_WRITE = 0, DO_READ = 1, DO_ERASE = 2};
+struct opts
+{
+ enum st_cmds cmd;
+ const char* devname;
+ const char* filename;
+ stm32_addr_t addr;
+ size_t size;
+};
-int main(int ac, char** av)
+static void usage(void)
{
- /* stlinkv1 command line: ./flash /dev/sgX path addr */
- /* stlinkv2 command line: ./flash path addr */
+ puts("stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size>");
+ puts("stlinkv1 command line: ./flash /dev/sgX erase");
+ puts("stlinkv2 command line: ./flash {read|write} path addr <size>");
+ puts("stlinkv2 command line: ./flash erase");
+ puts(" use hex format for addr and <size>");
+}
- stlink_t* sl = NULL;
- stm32_addr_t addr;
- const char* path;
- int err;
+static int get_opts(struct opts* o, int ac, char** av)
+{
+ /* stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size> */
+ /* stlinkv2 command line: ./flash {read|write} path addr <size> */
+
+ unsigned int i = 0;
- if (ac == 4) /* stlinkv1 */
+ if (ac < 1) return -1;
+
+ /* stlinkv2 */
+ o->devname = NULL;
+
+ if (strcmp(av[0], "erase") == 0)
{
- static const int scsi_verbose = 2;
- sl = stlink_quirk_open(av[1], scsi_verbose);
- path = av[2];
- addr = strtoul(av[3], NULL, 16);
+ o->cmd = DO_ERASE;
+
+ /* stlinkv1 mode */
+ if (ac == 2)
+ {
+ o->devname = av[1];
+ i = 1;
+ }
}
- else if (ac == 3) /* stlinkv2 */
- {
- sl = stlink_open_usb(NULL, 10);
- path = av[1];
- addr = strtoul(av[2], NULL, 16);
+ else {
+ if (ac < 3) return -1;
+ if (strcmp(av[0], "read") == 0)
+ {
+ o->cmd = DO_READ;
+
+ /* stlinkv1 mode */
+ if (ac == 5)
+ {
+ o->devname = av[1];
+ i = 1;
+ }
+ if (ac > 3)
+ o->size = strtoul(av[i + 3], NULL, 16);
+ }
+ else if (strcmp(av[0], "write") == 0)
+ {
+ o->cmd = DO_WRITE;
+
+ /* stlinkv1 mode */
+ if (ac == 4)
+ {
+ o->devname = av[1];
+ i = 1;
+ }
+ }
+ else
+ {
+ return -1;
+ }
}
- else /* invalid */
+
+ o->filename = av[i + 1];
+ o->addr = strtoul(av[i + 2], NULL, 16);
+
+ return 0;
+}
+
+
+int main(int ac, char** av)
+{
+ stlink_t* sl = NULL;
+ struct opts o;
+ int err = -1;
+
+ o.size = 0;
+ if (get_opts(&o, ac - 1, av + 1) == -1)
{
printf("invalid command line\n");
+ usage();
goto on_error;
}
- if (sl == NULL) goto on_error;
+ if (o.devname != NULL) /* stlinkv1 */
+ {
+ sl = stlink_v1_open(50);
+ if (sl == NULL) goto on_error;
+ sl->verbose = 50;
+ }
+ else /* stlinkv2 */
+ {
+ sl = stlink_open_usb(50);
+ if (sl == NULL) goto on_error;
+ sl->verbose = 50;
+ }
+
+ if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
+ stlink_exit_dfu_mode(sl);
+
+ if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
+ stlink_enter_swd_mode(sl);
- err = stlink_fwrite_flash(sl, path, addr);
- if (err == -1)
+ if (o.cmd == DO_WRITE) /* write */
{
- printf("stlink_fwrite_flash() == -1\n");
- goto on_error;
+ if ((o.addr >= sl->flash_base) &&
+ (o.addr < sl->flash_base + sl->flash_size))
+ err = stlink_fwrite_flash(sl, o.filename, o.addr);
+ else if ((o.addr >= sl->sram_base) &&
+ (o.addr < sl->sram_base + sl->sram_size))
+ err = stlink_fwrite_sram(sl, o.filename, o.addr);
+ if (err == -1)
+ {
+ printf("stlink_fwrite_flash() == -1\n");
+ goto on_error;
+ }
+ }
+ else if (o.cmd == DO_ERASE)
+ {
+ err = stlink_erase_flash_mass(sl);
+ if (err == -1)
+ {
+ printf("stlink_fwrite_flash() == -1\n");
+ goto on_error;
+ }
+ }
+ else /* read */
+ {
+ if ((o.addr >= sl->flash_base) &&
+ (o.addr < sl->flash_base + sl->flash_size))
+ o.size = sl->flash_size;
+ else if ((o.addr >= sl->sram_base) &&
+ (o.addr < sl->sram_base + sl->sram_size))
+ o.size = sl->sram_size;
+ err = stlink_fread(sl, o.filename, o.addr, o.size);
+ if (err == -1)
+ {
+ printf("stlink_fread() == -1\n");
+ goto on_error;
+ }
}
+ /* success */
+ err = 0;
+
on_error:
- if (sl != NULL) stlink_close(sl);
+ if (sl != NULL)
+ {
+ stlink_exit_debug_mode(sl);
+ stlink_close(sl);
+ }
return err;
}