73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2019 Matthew Lai <m@matthewlai.ca>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <libopencm3/cm3/assert.h>
|
|
#include <libopencm3/stm32/dbgmcu.h>
|
|
#include <libopencm3/stm32/desig.h>
|
|
|
|
uint16_t desig_get_flash_size(void)
|
|
{
|
|
uint32_t device_id = DBGMCU_IDCODE & DBGMCU_IDCODE_DEV_ID_MASK;
|
|
uint32_t* flash_size_base = 0;
|
|
switch (device_id) {
|
|
case 0x0449:
|
|
flash_size_base = (uint32_t*) DESIG_FLASH_SIZE_BASE_449;
|
|
break;
|
|
case 0x0451:
|
|
flash_size_base = (uint32_t*) DESIG_FLASH_SIZE_BASE_451;
|
|
break;
|
|
case 0x0452:
|
|
flash_size_base = (uint32_t*) DESIG_FLASH_SIZE_BASE_452;
|
|
break;
|
|
}
|
|
|
|
if (!flash_size_base) {
|
|
/* We don't know the address for this device. Hang here to help debugging. */
|
|
cm3_assert_not_reached();
|
|
}
|
|
|
|
return *flash_size_base;
|
|
}
|
|
|
|
void desig_get_unique_id(uint32_t *result)
|
|
{
|
|
uint32_t device_id = DBGMCU_IDCODE & DBGMCU_IDCODE_DEV_ID_MASK;
|
|
uint32_t* uid_base = 0;
|
|
switch (device_id) {
|
|
case 0x0449:
|
|
uid_base = (uint32_t*) DESIG_UNIQUE_ID_BASE_449;
|
|
break;
|
|
case 0x0451:
|
|
uid_base = (uint32_t*) DESIG_UNIQUE_ID_BASE_451;
|
|
break;
|
|
case 0x0452:
|
|
uid_base = (uint32_t*) DESIG_UNIQUE_ID_BASE_452;
|
|
break;
|
|
}
|
|
|
|
if (!uid_base) {
|
|
/* We don't know the address for this device. Hang here to help debugging. */
|
|
cm3_assert_not_reached();
|
|
}
|
|
|
|
result[0] = uid_base[2];
|
|
result[1] = uid_base[1];
|
|
result[2] = uid_base[0];
|
|
}
|