kopia lustrzana https://github.com/stlink-org/stlink
139 wiersze
2.4 KiB
C
139 wiersze
2.4 KiB
C
/* simple wrapper around the stlink_flash_write function */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "stlink-common.h"
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struct opts
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{
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unsigned int do_read;
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const char* devname;
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const char* filename;
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stm32_addr_t addr;
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size_t size;
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};
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static void usage(void)
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{
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puts("stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size>");
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puts("stlinkv2 command line: ./flash {read|write} path addr <size>");
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}
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static int get_opts(struct opts* o, int ac, char** av)
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{
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/* stlinkv1 command line: ./flash {read|write} /dev/sgX path addr <size> */
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/* stlinkv2 command line: ./flash {read|write} path addr <size> */
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unsigned int i = 0;
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if (ac < 3) return -1;
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/* stlinkv2 */
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o->devname = NULL;
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if (strcmp(av[0], "read") == 0)
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{
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o->do_read = 1;
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/* stlinkv1 mode */
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if (ac == 5)
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{
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o->devname = av[1];
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i = 1;
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}
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o->size = strtoul(av[i + 3], NULL, 10);
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}
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else if (strcmp(av[0], "write") == 0)
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{
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o->do_read = 0;
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/* stlinkv1 mode */
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if (ac == 4)
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{
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o->devname = av[1];
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i = 1;
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}
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}
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else
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{
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return -1;
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}
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o->filename = av[i + 1];
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o->addr = strtoul(av[i + 2], NULL, 16);
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return 0;
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}
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int main(int ac, char** av)
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{
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stlink_t* sl = NULL;
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struct opts o;
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int err = -1;
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if (get_opts(&o, ac - 1, av + 1) == -1)
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{
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printf("invalid command line\n");
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usage();
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goto on_error;
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}
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if (o.devname != NULL) /* stlinkv1 */
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{
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#if CONFIG_USE_LIBSG
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static const int scsi_verbose = 2;
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sl = stlink_quirk_open(o.devname, scsi_verbose);
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if (sl == NULL) goto on_error;
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#else
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printf("not compiled for use with STLink/V1");
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goto on_error;
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#endif
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}
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else /* stlinkv2 */
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{
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sl = stlink_open_usb(1);
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if (sl == NULL) goto on_error;
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}
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if (stlink_current_mode(sl) == STLINK_DEV_DFU_MODE)
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stlink_exit_dfu_mode(sl);
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if (stlink_current_mode(sl) != STLINK_DEV_DEBUG_MODE)
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stlink_enter_swd_mode(sl);
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stlink_reset(sl);
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if (o.do_read == 0) /* write */
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{
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err = stlink_fwrite_flash(sl, o.filename, o.addr);
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if (err == -1)
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{
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printf("stlink_fwrite_flash() == -1\n");
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goto on_error;
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}
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}
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else /* read */
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{
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err = stlink_fread(sl, o.filename, o.addr, o.size);
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if (err == -1)
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{
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printf("stlink_fread() == -1\n");
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goto on_error;
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}
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}
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/* success */
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err = 0;
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on_error:
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if (sl != NULL) stlink_close(sl);
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return err;
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}
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