Commit b83d0b35 authored by Dave Hylands's avatar Dave Hylands Committed by Damien George
Browse files

stmhal: Add define for UNIQUE_ID address (differs per MCU)

parent 823a961e
......@@ -38,13 +38,14 @@
#include "pin.h"
#include "timer.h"
#include "usb.h"
#include MICROPY_HAL_H
// machine.info([dump_alloc_table])
// Print out lots of information about the board.
STATIC mp_obj_t machine_info(mp_uint_t n_args, const mp_obj_t *args) {
// get and print unique id; 96 bits
{
byte *id = (byte*)0x1fff7a10;
byte *id = (byte*)MP_HAL_UNIQUE_ID_ADDRESS;
printf("ID=%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x\n", id[0], id[1], id[2], id[3], id[4], id[5], id[6], id[7], id[8], id[9], id[10], id[11]);
}
......
// We use the ST Cube HAL library for most hardware peripherals
#include STM32_HAL_H
// The unique id address differs per MCU. Ideally this define should
// go in some MCU-specific header, but for now it lives here.
#if defined(MCU_SERIES_F4)
#define MP_HAL_UNIQUE_ID_ADDRESS (0x1fff7a10)
#elif defined(MCU_SERIES_F7)
#define MP_HAL_UNIQUE_ID_ADDRESS (0x1ff0f420)
#else
#error mphal.h: Unrecognized MCU_SERIES
#endif
// Basic GPIO functions
#define GPIO_read_pin(gpio, pin) (((gpio)->IDR >> (pin)) & 1)
#if defined(MCU_SERIES_F7)
......
......@@ -33,6 +33,10 @@
#include "usbd_desc.h"
#include "usbd_conf.h"
// need these headers just for MP_HAL_UNIQUE_ID_ADDRESS
#include "py/misc.h"
#include MICROPY_HAL_H
// So we don't clash with existing ST boards, we use the unofficial FOSS VID.
// This needs a proper solution.
#define USBD_VID 0xf055
......@@ -169,7 +173,7 @@ STATIC uint8_t *USBD_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *leng
//
// See: https://my.st.com/52d187b7 for the algorithim used.
uint8_t *id = (uint8_t *)0x1fff7a10;
uint8_t *id = (uint8_t *)MP_HAL_UNIQUE_ID_ADDRESS;
char serial_buf[16];
snprintf(serial_buf, sizeof(serial_buf),
"%02X%02X%02X%02X%02X%02X",
......
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