Arti Zirk
054740c5de
subrepo: subdir: "libopencm3" merged: "88e91c9a7cce" upstream: origin: "https://github.com/libopencm3/libopencm3.git" branch: "master" commit: "88e91c9a7cce" git-subrepo: version: "0.4.3" origin: "???" commit: "???"
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2020 Karl Palsson <karlp@tweak.net.au>
|
|
*
|
|
* 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 v;
|
|
uint32_t device_id = DBGMCU_IDCODE & DBGMCU_IDCODE_DEV_ID_MASK;
|
|
switch (device_id) {
|
|
case 0x416:
|
|
return *(uint32_t*)DESIG_FLASH_SIZE_BASE_CAT12;
|
|
case 0x429:
|
|
v = *(uint32_t*)DESIG_FLASH_SIZE_BASE_CAT12;
|
|
return v & 0xff;
|
|
case 0x427:
|
|
case 0x437:
|
|
return *(uint32_t*)DESIG_FLASH_SIZE_BASE_CAT3456;
|
|
case 0x436:
|
|
v = *(uint32_t*)DESIG_FLASH_SIZE_BASE_CAT3456;
|
|
return v ? 256 : 384;
|
|
}
|
|
|
|
cm3_assert_not_reached();
|
|
}
|
|
|
|
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 0x416:
|
|
case 0x429:
|
|
uid_base = (uint32_t*)DESIG_UNIQUE_ID_BASE_CAT12;
|
|
break;
|
|
case 0x427:
|
|
case 0x436:
|
|
case 0x437:
|
|
uid_base = (uint32_t*)DESIG_UNIQUE_ID_BASE_CAT3456;
|
|
break;
|
|
}
|
|
|
|
if (!uid_base) {
|
|
/* We don't know the address for this device. Hang here to help debugging. */
|
|
cm3_assert_not_reached();
|
|
}
|
|
|
|
/* yes, careful with offsets here */
|
|
result[0] = uid_base[5];
|
|
result[1] = uid_base[1];
|
|
result[2] = uid_base[0];
|
|
}
|