diff options
| -rw-r--r-- | hw/bsp/stm32u0/family.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/bsp/stm32u0/family.c b/hw/bsp/stm32u0/family.c index 7bd99fba6..0d20ba43f 100644 --- a/hw/bsp/stm32u0/family.c +++ b/hw/bsp/stm32u0/family.c @@ -166,6 +166,19 @@ uint32_t board_button_read(void) { return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN); } +size_t board_get_unique_id(uint8_t id[], size_t max_len) { + (void) max_len; + volatile uint32_t *stm32_uuid = (volatile uint32_t *) UID_BASE; + uint32_t *id32 = (uint32_t *) (uintptr_t) id; + uint8_t const len = 12; + + id32[0] = stm32_uuid[0]; + id32[1] = stm32_uuid[1]; + id32[2] = stm32_uuid[2]; + + return len; +} + int board_uart_read(uint8_t* buf, int len) { #ifdef UART_ID int count = 0; |