mirror of
https://github.com/betaflight/betaflight.git
synced 2025-07-24 16:55:36 +03:00
310 lines
9.2 KiB
C
310 lines
9.2 KiB
C
/*
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* This file is part of Cleanflight and Betaflight.
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*
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* Cleanflight and Betaflight are free software. You can redistribute
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* this software and/or modify this software under the terms of the
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* GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Cleanflight and Betaflight are distributed in the hope that they
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software.
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*
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "platform.h"
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#include "drivers/system.h"
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#include "config/config_streamer.h"
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#ifndef EEPROM_IN_RAM
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extern uint8_t __config_start; // configured via linker script when building binaries.
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extern uint8_t __config_end;
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#endif
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#if !defined(FLASH_PAGE_SIZE)
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// F1
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# if defined(STM32F10X_MD)
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# define FLASH_PAGE_SIZE (0x400)
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# elif defined(STM32F10X_HD)
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# define FLASH_PAGE_SIZE (0x800)
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// F3
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# elif defined(STM32F303xC)
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# define FLASH_PAGE_SIZE (0x800)
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// F4
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# elif defined(STM32F40_41xxx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x4000) // 16K sectors
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# elif defined (STM32F411xE)
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# define FLASH_PAGE_SIZE ((uint32_t)0x4000)
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# elif defined(STM32F427_437xx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x4000)
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# elif defined (STM32F446xx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x4000)
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// F7
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#elif defined(STM32F722xx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x4000) // 16K sectors
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# elif defined(STM32F745xx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x8000) // 32K sectors
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# elif defined(STM32F746xx)
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# define FLASH_PAGE_SIZE ((uint32_t)0x8000)
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# elif defined(UNIT_TEST)
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# define FLASH_PAGE_SIZE (0x400)
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// SIMULATOR
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# elif defined(SIMULATOR_BUILD)
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# define FLASH_PAGE_SIZE (0x400)
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# else
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# error "Flash page size not defined for target."
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# endif
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#endif
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void config_streamer_init(config_streamer_t *c)
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{
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memset(c, 0, sizeof(*c));
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}
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void config_streamer_start(config_streamer_t *c, uintptr_t base, int size)
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{
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// base must start at FLASH_PAGE_SIZE boundary
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c->address = base;
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c->size = size;
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if (!c->unlocked) {
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#if defined(STM32F7)
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HAL_FLASH_Unlock();
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#else
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FLASH_Unlock();
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#endif
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c->unlocked = true;
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}
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#if defined(STM32F10X)
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FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
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#elif defined(STM32F303)
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FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPERR);
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#elif defined(STM32F4)
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FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
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#elif defined(STM32F7)
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// NOP
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#elif defined(UNIT_TEST) || defined(SIMULATOR_BUILD)
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// NOP
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#else
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# error "Unsupported CPU"
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#endif
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c->err = 0;
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}
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#if defined(STM32F745xx) || defined(STM32F746xx)
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/*
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Sector 0 0x08000000 - 0x08007FFF 32 Kbytes
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Sector 1 0x08008000 - 0x0800FFFF 32 Kbytes
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Sector 2 0x08010000 - 0x08017FFF 32 Kbytes
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Sector 3 0x08018000 - 0x0801FFFF 32 Kbytes
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Sector 4 0x08020000 - 0x0803FFFF 128 Kbytes
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Sector 5 0x08040000 - 0x0807FFFF 256 Kbytes
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Sector 6 0x08080000 - 0x080BFFFF 256 Kbytes
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Sector 7 0x080C0000 - 0x080FFFFF 256 Kbytes
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*/
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static uint32_t getFLASHSectorForEEPROM(void)
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{
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if ((uint32_t)&__config_start <= 0x08007FFF)
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return FLASH_SECTOR_0;
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if ((uint32_t)&__config_start <= 0x0800FFFF)
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return FLASH_SECTOR_1;
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if ((uint32_t)&__config_start <= 0x08017FFF)
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return FLASH_SECTOR_2;
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if ((uint32_t)&__config_start <= 0x0801FFFF)
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return FLASH_SECTOR_3;
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if ((uint32_t)&__config_start <= 0x0803FFFF)
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return FLASH_SECTOR_4;
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if ((uint32_t)&__config_start <= 0x0807FFFF)
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return FLASH_SECTOR_5;
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if ((uint32_t)&__config_start <= 0x080BFFFF)
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return FLASH_SECTOR_6;
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if ((uint32_t)&__config_start <= 0x080FFFFF)
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return FLASH_SECTOR_7;
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// Not good
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while (1) {
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failureMode(FAILURE_FLASH_WRITE_FAILED);
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}
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}
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#elif defined(STM32F722xx)
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/*
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Sector 0 0x08000000 - 0x08003FFF 16 Kbytes
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Sector 1 0x08004000 - 0x08007FFF 16 Kbytes
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Sector 2 0x08008000 - 0x0800BFFF 16 Kbytes
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Sector 3 0x0800C000 - 0x0800FFFF 16 Kbytes
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Sector 4 0x08010000 - 0x0801FFFF 64 Kbytes
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Sector 5 0x08020000 - 0x0803FFFF 128 Kbytes
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Sector 6 0x08040000 - 0x0805FFFF 128 Kbytes
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Sector 7 0x08060000 - 0x0807FFFF 128 Kbytes
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*/
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static uint32_t getFLASHSectorForEEPROM(void)
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{
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if ((uint32_t)&__config_start <= 0x08003FFF)
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return FLASH_SECTOR_0;
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if ((uint32_t)&__config_start <= 0x08007FFF)
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return FLASH_SECTOR_1;
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if ((uint32_t)&__config_start <= 0x0800BFFF)
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return FLASH_SECTOR_2;
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if ((uint32_t)&__config_start <= 0x0800FFFF)
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return FLASH_SECTOR_3;
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if ((uint32_t)&__config_start <= 0x0801FFFF)
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return FLASH_SECTOR_4;
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if ((uint32_t)&__config_start <= 0x0803FFFF)
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return FLASH_SECTOR_5;
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if ((uint32_t)&__config_start <= 0x0805FFFF)
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return FLASH_SECTOR_6;
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if ((uint32_t)&__config_start <= 0x0807FFFF)
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return FLASH_SECTOR_7;
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// Not good
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while (1) {
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failureMode(FAILURE_FLASH_WRITE_FAILED);
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}
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}
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#elif defined(STM32F4)
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/*
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Sector 0 0x08000000 - 0x08003FFF 16 Kbytes
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Sector 1 0x08004000 - 0x08007FFF 16 Kbytes
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Sector 2 0x08008000 - 0x0800BFFF 16 Kbytes
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Sector 3 0x0800C000 - 0x0800FFFF 16 Kbytes
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Sector 4 0x08010000 - 0x0801FFFF 64 Kbytes
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Sector 5 0x08020000 - 0x0803FFFF 128 Kbytes
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Sector 6 0x08040000 - 0x0805FFFF 128 Kbytes
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Sector 7 0x08060000 - 0x0807FFFF 128 Kbytes
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Sector 8 0x08080000 - 0x0809FFFF 128 Kbytes
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Sector 9 0x080A0000 - 0x080BFFFF 128 Kbytes
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Sector 10 0x080C0000 - 0x080DFFFF 128 Kbytes
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Sector 11 0x080E0000 - 0x080FFFFF 128 Kbytes
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*/
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static uint32_t getFLASHSectorForEEPROM(void)
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{
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if ((uint32_t)&__config_start <= 0x08003FFF)
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return FLASH_Sector_0;
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if ((uint32_t)&__config_start <= 0x08007FFF)
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return FLASH_Sector_1;
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if ((uint32_t)&__config_start <= 0x0800BFFF)
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return FLASH_Sector_2;
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if ((uint32_t)&__config_start <= 0x0800FFFF)
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return FLASH_Sector_3;
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if ((uint32_t)&__config_start <= 0x0801FFFF)
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return FLASH_Sector_4;
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if ((uint32_t)&__config_start <= 0x0803FFFF)
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return FLASH_Sector_5;
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if ((uint32_t)&__config_start <= 0x0805FFFF)
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return FLASH_Sector_6;
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if ((uint32_t)&__config_start <= 0x0807FFFF)
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return FLASH_Sector_7;
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if ((uint32_t)&__config_start <= 0x0809FFFF)
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return FLASH_Sector_8;
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if ((uint32_t)&__config_start <= 0x080DFFFF)
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return FLASH_Sector_9;
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if ((uint32_t)&__config_start <= 0x080BFFFF)
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return FLASH_Sector_10;
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if ((uint32_t)&__config_start <= 0x080FFFFF)
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return FLASH_Sector_11;
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// Not good
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while (1) {
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failureMode(FAILURE_FLASH_WRITE_FAILED);
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}
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}
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#endif
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static int write_word(config_streamer_t *c, uint32_t value)
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{
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if (c->err != 0) {
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return c->err;
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}
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#if defined(STM32F7)
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if (c->address % FLASH_PAGE_SIZE == 0) {
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FLASH_EraseInitTypeDef EraseInitStruct = {
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.TypeErase = FLASH_TYPEERASE_SECTORS,
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.VoltageRange = FLASH_VOLTAGE_RANGE_3, // 2.7-3.6V
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.NbSectors = 1
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};
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EraseInitStruct.Sector = getFLASHSectorForEEPROM();
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uint32_t SECTORError;
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const HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
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if (status != HAL_OK) {
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return -1;
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}
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}
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const HAL_StatusTypeDef status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, c->address, value);
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if (status != HAL_OK) {
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return -2;
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}
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#else
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if (c->address % FLASH_PAGE_SIZE == 0) {
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#if defined(STM32F4)
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const FLASH_Status status = FLASH_EraseSector(getFLASHSectorForEEPROM(), VoltageRange_3); //0x08080000 to 0x080A0000
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#else
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const FLASH_Status status = FLASH_ErasePage(c->address);
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#endif
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if (status != FLASH_COMPLETE) {
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return -1;
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}
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}
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const FLASH_Status status = FLASH_ProgramWord(c->address, value);
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if (status != FLASH_COMPLETE) {
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return -2;
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}
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#endif
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c->address += sizeof(value);
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return 0;
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}
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int config_streamer_write(config_streamer_t *c, const uint8_t *p, uint32_t size)
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{
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for (const uint8_t *pat = p; pat != (uint8_t*)p + size; pat++) {
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c->buffer.b[c->at++] = *pat;
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if (c->at == sizeof(c->buffer)) {
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c->err = write_word(c, c->buffer.w);
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c->at = 0;
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}
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}
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return c->err;
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}
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int config_streamer_status(config_streamer_t *c)
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{
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return c->err;
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}
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int config_streamer_flush(config_streamer_t *c)
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{
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if (c->at != 0) {
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memset(c->buffer.b + c->at, 0, sizeof(c->buffer) - c->at);
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c->err = write_word(c, c->buffer.w);
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c->at = 0;
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}
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return c-> err;
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}
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int config_streamer_finish(config_streamer_t *c)
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{
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if (c->unlocked) {
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#if defined(STM32F7)
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HAL_FLASH_Lock();
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#else
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FLASH_Lock();
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#endif
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c->unlocked = false;
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}
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return c->err;
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}
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