application: only show additional MCU info on DEBUG
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@ -192,10 +192,22 @@ static void command_help(void* argument)
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static void command_version(void* argument)
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{
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(void)argument; // we won't use the argument
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bool fake = false; // if details indicate it's not an STM32
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printf("firmware date: %04u-%02u-%02u\n", BUILD_YEAR, BUILD_MONTH, BUILD_DAY); // show firmware build date
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puts("chip family: ");
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// show flash size
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puts("flash size: ");
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if (0xffff == DESIG_FLASH_SIZE) {
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puts("unknown (probably a defective micro-controller\n");
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} else {
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printf("%u KB\n", DESIG_FLASH_SIZE);
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}
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const uint16_t dev_id = DBGMCU_IDCODE & DBGMCU_IDCODE_DEV_ID_MASK;
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const uint16_t rev_id = DBGMCU_IDCODE >> 16;
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printf("MCUID: DEV_ID=0x%03x REV_ID=0x%04x\n", dev_id, rev_id);
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// display device identity
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printf("device id: %08x%08x%04x%04x\n", DESIG_UNIQUE_ID2, DESIG_UNIQUE_ID1, DESIG_UNIQUE_ID0 & 0xffff, DESIG_UNIQUE_ID0 >> 16);
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#if DEBUG
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bool fake = false; // if details indicate it's not an STM32
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puts("chip family: ");
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switch (dev_id) {
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case 0: // DBGMCU_IDCODE is only accessible in debug mode (this is a known issue documented in STM32F10xxC/D/E Errata sheet, without workaround)
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puts("not readable, retry with debug attached");
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@ -262,9 +274,8 @@ static void command_version(void* argument)
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fake = true;
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break;
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}
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printf(" (DEV_ID=0x%03x)\n", dev_id);
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putc('\n');
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puts("chip revision: ");
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const uint16_t rev_id = DBGMCU_IDCODE >> 16;
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switch (DBGMCU_IDCODE & DBGMCU_IDCODE_DEV_ID_MASK) {
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case 0x412:
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if (0x1000 == rev_id) {
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@ -317,17 +328,9 @@ static void command_version(void* argument)
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printf("unknown");
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break;
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}
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printf(" (REV_ID=0x%04x)\n", rev_id);
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// show flash size
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puts("flash size: ");
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if (0xffff == DESIG_FLASH_SIZE) {
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puts("unknown (probably a defective micro-controller\n");
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} else {
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printf("%u KB\n", DESIG_FLASH_SIZE);
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}
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// display device identity
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printf("device id: %08x%08x%04x%04x\n", DESIG_UNIQUE_ID2, DESIG_UNIQUE_ID1, DESIG_UNIQUE_ID0 & 0xffff, DESIG_UNIQUE_ID0 >> 16);
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putc('\n');
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// from RM0091 STM32F0x8 reference manual (not sure if it applies to F1)
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puts("manufacturing information:\n");
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printf("- X,Y wafer coordinate: %08x\n", DESIG_UNIQUE_ID0);
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printf("- lot number: %c%c%c%c%c%c%c\n", DESIG_UNIQUE_ID2 >> 24, DESIG_UNIQUE_ID2 >> 16, DESIG_UNIQUE_ID2 >> 8, DESIG_UNIQUE_ID2 >> 0, DESIG_UNIQUE_ID1 >> 24, DESIG_UNIQUE_ID1 >> 16, DESIG_UNIQUE_ID1 >> 8);
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printf("- wafer number: %u\n", DESIG_UNIQUE_ID1 & 0xff);
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@ -421,6 +424,7 @@ static void command_version(void* argument)
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}
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}
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printf("this %s to be a genuine STM32\n", fake ? "does not seem" : "seems");
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#endif
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}
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static void command_uptime(void* argument)
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