uint32_t wrpr;
- if (target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
/*
* Read the WRPR word, and check each bit (corresponding to each
* flash sector
{
/* This method must return a string displaying information about the bank */
- struct target *target = bank->target;
- uint32_t device_id;
- int printed;
+ uint32_t dbgmcu_idcode;
/* read stm32 device id register */
- int retval = target_read_u32(target, DBGMCU_IDCODE, &device_id);
+ int retval = target_read_u32(bank->target, DBGMCU_IDCODE, &dbgmcu_idcode);
if (retval != ERROR_OK)
return retval;
- if ((device_id & 0xfff) == 0x416) {
- printed = snprintf(buf, buf_size, "stm32lx - Rev: ");
- buf += printed;
- buf_size -= printed;
+ uint16_t device_id = dbgmcu_idcode & 0xfff;
+ uint16_t rev_id = dbgmcu_idcode >> 16;
+ const char *device_str;
+ const char *rev_str = NULL;
- switch (device_id >> 16) {
- case 0x1000:
- snprintf(buf, buf_size, "A");
- break;
+ switch (device_id) {
+ case 0x416:
+ device_str = "stm32lx";
- case 0x1008:
- snprintf(buf, buf_size, "Y");
- break;
+ switch (rev_id) {
+ case 0x1000:
+ rev_str = "A";
+ break;
- case 0x1018:
- snprintf(buf, buf_size, "X");
- break;
+ case 0x1008:
+ rev_str = "Y";
+ break;
- case 0x1038:
- snprintf(buf, buf_size, "W");
- break;
+ case 0x1018:
+ rev_str = "X";
+ break;
- case 0x1078:
- snprintf(buf, buf_size, "V");
- break;
+ case 0x1038:
+ rev_str = "W";
+ break;
- default:
- snprintf(buf, buf_size, "unknown");
- break;
+ case 0x1078:
+ rev_str = "V";
+ break;
}
- } else if (((device_id & 0xfff) == 0x436) ||
- ((device_id & 0xfff) == 0x427)) {
- printed = snprintf(buf, buf_size, "stm32lx (HD) - Rev: ");
- buf += printed;
- buf_size -= printed;
-
- switch (device_id >> 16) {
- case 0x1000:
- snprintf(buf, buf_size, "A");
- break;
+ break;
- case 0x1008:
- snprintf(buf, buf_size, "Z");
- break;
+ case 0x436:
+ case 0x427:
+ device_str = "stm32lx (HD)";
- case 0x1018:
- snprintf(buf, buf_size, "Y");
- break;
+ switch (rev_id) {
+ case 0x1000:
+ rev_str = "A";
+ break;
- default:
- snprintf(buf, buf_size, "unknown");
- break;
+ case 0x1008:
+ rev_str = "Z";
+ break;
+
+ case 0x1018:
+ rev_str = "Y";
+ break;
}
- } else {
+ break;
+
+ default:
snprintf(buf, buf_size, "Cannot identify target as a stm32lx");
return ERROR_FAIL;
}
+ if (rev_str != NULL)
+ snprintf(buf, buf_size, "%s - Rev: %s", device_str, rev_str);
+ else
+ snprintf(buf, buf_size, "%s - Rev: unknown (0x%04x)", device_str, rev_id);
+
return ERROR_OK;
}