src/main/config/config_streamer.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <string.h>
  22
  23 #include "platform.h"
  24
  25 #include "drivers/system.h"
  26 #include "drivers/flash/flash.h"
  27
  28 #include "config/config_eeprom.h"
  29 #include "config/config_streamer.h"
  30
  31 #if !defined(CONFIG_IN_FLASH)
  32 #if defined(CONFIG_IN_RAM) && defined(PERSISTENT)
  33 PERSISTENT uint8_t eepromData[EEPROM_SIZE];
  34 #else
  35 uint8_t eepromData[EEPROM_SIZE];
  36 #endif
  37 #endif
  38
  39 #if !defined(FLASH_PAGE_SIZE)
  40 #error "Flash page size not defined for target."
  41 #endif
  42
  43 void config_streamer_init(config_streamer_t *c)
  44 {
  45     memset(c, 0, sizeof(*c));
  46 }
  47
  48 void config_streamer_start(config_streamer_t *c, uintptr_t base, int size)
  49 {
  50     // base must start at FLASH_PAGE_SIZE boundary when using embedded flash.
  51     c->address = base;
  52     c->size = size;
  53     if (!c->unlocked) {
  54 #if defined(CONFIG_IN_RAM) || defined(CONFIG_IN_EXTERNAL_FLASH) || defined(CONFIG_IN_SDCARD)
  55         // NOP
  56 #elif defined(CONFIG_IN_FLASH) || defined(CONFIG_IN_FILE)
  57 #if defined(STM32F7) || defined(STM32H7) || defined(STM32G4)
  58         HAL_FLASH_Unlock();
  59 #elif defined(APM32F4)
  60         DAL_FLASH_Unlock();
  61 #elif defined(AT32F4)
  62         flash_unlock();
  63 #else
  64         FLASH_Unlock();
  65 #endif
  66 #endif
  67         c->unlocked = true;
  68     }
  69
  70 #if defined(CONFIG_IN_RAM) || defined(CONFIG_IN_FILE) || defined(CONFIG_IN_EXTERNAL_FLASH)
  71     // NOP
  72 #elif defined(CONFIG_IN_FLASH)
  73 #if defined(STM32F4)
  74     FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
  75 #elif defined(STM32F7)
  76     // NOP
  77 #elif defined(STM32H7)
  78     // NOP
  79 #elif defined(STM32G4)
  80     // NOP
  81 #elif defined(AT32F4)
  82     flash_flag_clear(FLASH_ODF_FLAG | FLASH_PRGMERR_FLAG | FLASH_EPPERR_FLAG);
  83 #elif defined(APM32F4)
  84     __DAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
  85 #elif defined(UNIT_TEST) || defined(SIMULATOR_BUILD)
  86     // NOP
  87 #else
  88 # error "Unsupported CPU"
  89 #endif
  90 #endif
  91     c->err = 0;
  92 }
  93
  94 #if defined(CONFIG_IN_RAM) || defined(CONFIG_IN_EXTERNAL_FLASH) || defined(CONFIG_IN_SDCARD)
  95 // No flash sector method required.
  96 #elif defined(CONFIG_IN_FLASH)
  97 #if defined(STM32F745xx) || defined(STM32F746xx) || defined(STM32F765xx)
  98 /*
  99 Sector 0    0x08000000 - 0x08007FFF 32 Kbytes
 100 Sector 1    0x08008000 - 0x0800FFFF 32 Kbytes
 101 Sector 2    0x08010000 - 0x08017FFF 32 Kbytes
 102 Sector 3    0x08018000 - 0x0801FFFF 32 Kbytes
 103 Sector 4    0x08020000 - 0x0803FFFF 128 Kbytes
 104 Sector 5    0x08040000 - 0x0807FFFF 256 Kbytes
 105 Sector 6    0x08080000 - 0x080BFFFF 256 Kbytes
 106 Sector 7    0x080C0000 - 0x080FFFFF 256 Kbytes
 107
 108 F7X5XI device with 2M flash
 109 Sector 8    0x08100000 - 0x0813FFFF 256 Kbytes
 110 Sector 9    0x08140000 - 0x0817FFFF 256 Kbytes
 111 Sector 10   0x08180000 - 0x081BFFFF 256 Kbytes
 112 Sector 11   0x081C0000 - 0x081FFFFF 256 Kbytes
 113 */
 114
 115 static uint32_t getFLASHSectorForEEPROM(void)
 116 {
 117     if ((uint32_t)&__config_start <= 0x08007FFF)
 118         return FLASH_SECTOR_0;
 119     if ((uint32_t)&__config_start <= 0x0800FFFF)
 120         return FLASH_SECTOR_1;
 121     if ((uint32_t)&__config_start <= 0x08017FFF)
 122         return FLASH_SECTOR_2;
 123     if ((uint32_t)&__config_start <= 0x0801FFFF)
 124         return FLASH_SECTOR_3;
 125     if ((uint32_t)&__config_start <= 0x0803FFFF)
 126         return FLASH_SECTOR_4;
 127     if ((uint32_t)&__config_start <= 0x0807FFFF)
 128         return FLASH_SECTOR_5;
 129     if ((uint32_t)&__config_start <= 0x080BFFFF)
 130         return FLASH_SECTOR_6;
 131     if ((uint32_t)&__config_start <= 0x080FFFFF)
 132         return FLASH_SECTOR_7;
 133 #if defined(STM32F765xx)
 134     if ((uint32_t)&__config_start <= 0x0813FFFF)
 135         return FLASH_SECTOR_8;
 136     if ((uint32_t)&__config_start <= 0x0817FFFF)
 137         return FLASH_SECTOR_9;
 138     if ((uint32_t)&__config_start <= 0x081BFFFF)
 139         return FLASH_SECTOR_10;
 140     if ((uint32_t)&__config_start <= 0x081FFFFF)
 141         return FLASH_SECTOR_11;
 142 #endif
 143
 144     // Not good
 145     while (1) {
 146         failureMode(FAILURE_CONFIG_STORE_FAILURE);
 147     }
 148 }
 149
 150 #elif defined(STM32F722xx)
 151 /*
 152 Sector 0    0x08000000 - 0x08003FFF 16 Kbytes
 153 Sector 1    0x08004000 - 0x08007FFF 16 Kbytes
 154 Sector 2    0x08008000 - 0x0800BFFF 16 Kbytes
 155 Sector 3    0x0800C000 - 0x0800FFFF 16 Kbytes
 156 Sector 4    0x08010000 - 0x0801FFFF 64 Kbytes
 157 Sector 5    0x08020000 - 0x0803FFFF 128 Kbytes
 158 Sector 6    0x08040000 - 0x0805FFFF 128 Kbytes
 159 Sector 7    0x08060000 - 0x0807FFFF 128 Kbytes
 160 */
 161
 162 static uint32_t getFLASHSectorForEEPROM(void)
 163 {
 164     if ((uint32_t)&__config_start <= 0x08003FFF)
 165         return FLASH_SECTOR_0;
 166     if ((uint32_t)&__config_start <= 0x08007FFF)
 167         return FLASH_SECTOR_1;
 168     if ((uint32_t)&__config_start <= 0x0800BFFF)
 169         return FLASH_SECTOR_2;
 170     if ((uint32_t)&__config_start <= 0x0800FFFF)
 171         return FLASH_SECTOR_3;
 172     if ((uint32_t)&__config_start <= 0x0801FFFF)
 173         return FLASH_SECTOR_4;
 174     if ((uint32_t)&__config_start <= 0x0803FFFF)
 175         return FLASH_SECTOR_5;
 176     if ((uint32_t)&__config_start <= 0x0805FFFF)
 177         return FLASH_SECTOR_6;
 178     if ((uint32_t)&__config_start <= 0x0807FFFF)
 179         return FLASH_SECTOR_7;
 180
 181     // Not good
 182     while (1) {
 183         failureMode(FAILURE_CONFIG_STORE_FAILURE);
 184     }
 185 }
 186
 187 #elif defined(STM32F4)
 188 /*
 189 Sector 0    0x08000000 - 0x08003FFF 16 Kbytes
 190 Sector 1    0x08004000 - 0x08007FFF 16 Kbytes
 191 Sector 2    0x08008000 - 0x0800BFFF 16 Kbytes
 192 Sector 3    0x0800C000 - 0x0800FFFF 16 Kbytes
 193 Sector 4    0x08010000 - 0x0801FFFF 64 Kbytes
 194 Sector 5    0x08020000 - 0x0803FFFF 128 Kbytes
 195 Sector 6    0x08040000 - 0x0805FFFF 128 Kbytes
 196 Sector 7    0x08060000 - 0x0807FFFF 128 Kbytes
 197 Sector 8    0x08080000 - 0x0809FFFF 128 Kbytes
 198 Sector 9    0x080A0000 - 0x080BFFFF 128 Kbytes
 199 Sector 10   0x080C0000 - 0x080DFFFF 128 Kbytes
 200 Sector 11   0x080E0000 - 0x080FFFFF 128 Kbytes
 201 */
 202
 203 static uint32_t getFLASHSectorForEEPROM(void)
 204 {
 205     if ((uint32_t)&__config_start <= 0x08003FFF)
 206         return FLASH_Sector_0;
 207     if ((uint32_t)&__config_start <= 0x08007FFF)
 208         return FLASH_Sector_1;
 209     if ((uint32_t)&__config_start <= 0x0800BFFF)
 210         return FLASH_Sector_2;
 211     if ((uint32_t)&__config_start <= 0x0800FFFF)
 212         return FLASH_Sector_3;
 213     if ((uint32_t)&__config_start <= 0x0801FFFF)
 214         return FLASH_Sector_4;
 215     if ((uint32_t)&__config_start <= 0x0803FFFF)
 216         return FLASH_Sector_5;
 217     if ((uint32_t)&__config_start <= 0x0805FFFF)
 218         return FLASH_Sector_6;
 219     if ((uint32_t)&__config_start <= 0x0807FFFF)
 220         return FLASH_Sector_7;
 221     if ((uint32_t)&__config_start <= 0x0809FFFF)
 222         return FLASH_Sector_8;
 223     if ((uint32_t)&__config_start <= 0x080DFFFF)
 224         return FLASH_Sector_9;
 225     if ((uint32_t)&__config_start <= 0x080BFFFF)
 226         return FLASH_Sector_10;
 227     if ((uint32_t)&__config_start <= 0x080FFFFF)
 228         return FLASH_Sector_11;
 229
 230     // Not good
 231     while (1) {
 232         failureMode(FAILURE_CONFIG_STORE_FAILURE);
 233     }
 234 }
 235
 236 #elif defined(STM32H743xx) || defined(STM32G4) || defined(STM32H7A3xx) || defined(STM32H7A3xxQ) || defined(STM32H723xx) || defined(STM32H725xx)
 237 /*
 238 MCUs with uniform array of equal size sectors, handled in two banks having contiguous address.
 239 (Devices with non-contiguous flash layout is not currently useful anyways.)
 240
 241 H743
 242 2 bank * 8 sector/bank * 128K/sector (2MB)
 243 Bank 1 0x08000000 - 0x080FFFFF 128KB * 8
 244 Bank 2 0x08100000 - 0x081FFFFF 128KB * 8
 245
 246 H743
 247 1 bank * 8 sector/bank * 128K/sector (1MB)
 248 Bank 1 0x08000000 - 0x080FFFFF 128KB * 8
 249
 250 H7A3
 251 2 bank * 128 sector/bank * 8KB/sector (2MB)
 252 Bank 1 0x08000000 - 0x080FFFFF 8KB * 128
 253 Bank 2 0x08100000 - 0x081FFFFF 8KB * 128
 254
 255 G473/474 in dual bank mode
 256 2 bank * 128 sector/bank * 2KB/sector (512KB)
 257 Bank 1 0x08000000 - 0x0803FFFF 2KB * 128
 258 Bank 2 0x08040000 - 0x0807FFFF 2KB * 128
 259
 260 Note that FLASH_BANK_SIZE constant used in the following code changes depending on
 261 bank operation mode. The code assumes dual bank operation, in which case the
 262 FLASH_BANK_SIZE constant is set to one half of the available flash size in HAL.
 263 */
 264
 265 #if defined(STM32H743xx) || defined(STM32H723xx) || defined(STM32H725xx)
 266 #define FLASH_PAGE_PER_BANK 8
 267 #elif defined(STM32H7A3xx) || defined(STM32H7A3xxQ)
 268 #define FLASH_PAGE_PER_BANK 128
 269 #elif defined(STM32G4)
 270 #define FLASH_PAGE_PER_BANK 128
 271 // These are not defined in CMSIS like H7
 272 #define FLASH_BANK1_BASE FLASH_BASE
 273 #define FLASH_BANK2_BASE (FLASH_BANK1_BASE + FLASH_BANK_SIZE)
 274 #endif
 275
 276 static void getFLASHSectorForEEPROM(uint32_t address, uint32_t *bank, uint32_t *sector)
 277 {
 278 #if defined(FLASH_BANK2_BASE)
 279     if (address >= FLASH_BANK1_BASE && address < FLASH_BANK2_BASE) {
 280         *bank = FLASH_BANK_1;
 281     } else if (address >= FLASH_BANK2_BASE && address < FLASH_BANK2_BASE + FLASH_BANK_SIZE) {
 282         *bank = FLASH_BANK_2;
 283         address -= FLASH_BANK_SIZE;
 284     }
 285 #else
 286     if (address >= FLASH_BANK1_BASE && address < FLASH_BANK1_BASE + FLASH_BANK_SIZE) {
 287         *bank = FLASH_BANK_1;
 288     }
 289 #endif
 290     else {
 291         // Not good
 292         while (1) {
 293             failureMode(FAILURE_CONFIG_STORE_FAILURE);
 294         }
 295     }
 296
 297     address -= FLASH_BANK1_BASE;
 298     *sector = address / FLASH_PAGE_SIZE;
 299 }
 300 #elif defined(STM32H750xx)
 301 /*
 302 The memory map supports 2 banks of 8 128k sectors like the H743xx, but there is only one 128K sector so we save some code
 303 space by using a smaller function.
 304
 305 Bank 1
 306 Sector 0    0x08000000 - 0x0801FFFF 128 Kbytes
 307
 308 */
 309
 310 static void getFLASHSectorForEEPROM(uint32_t *bank, uint32_t *sector)
 311 {
 312
 313     uint32_t start = (uint32_t)&__config_start;
 314
 315     if (start == FLASH_BANK1_BASE) {
 316         *sector = FLASH_SECTOR_0;
 317         *bank = FLASH_BANK_1;
 318     } else {
 319         // Not good
 320         while (1) {
 321             failureMode(FAILURE_CONFIG_STORE_FAILURE);
 322         }
 323     }
 324 }
 325 #elif defined(APM32F4)
 326 /*
 327 Sector 0    0x08000000 - 0x08003FFF 16 Kbytes
 328 Sector 1    0x08004000 - 0x08007FFF 16 Kbytes
 329 Sector 2    0x08008000 - 0x0800BFFF 16 Kbytes
 330 Sector 3    0x0800C000 - 0x0800FFFF 16 Kbytes
 331 Sector 4    0x08010000 - 0x0801FFFF 64 Kbytes
 332 Sector 5    0x08020000 - 0x0803FFFF 128 Kbytes
 333 Sector 6    0x08040000 - 0x0805FFFF 128 Kbytes
 334 Sector 7    0x08060000 - 0x0807FFFF 128 Kbytes
 335 Sector 8    0x08080000 - 0x0809FFFF 128 Kbytes
 336 Sector 9    0x080A0000 - 0x080BFFFF 128 Kbytes
 337 Sector 10   0x080C0000 - 0x080DFFFF 128 Kbytes
 338 Sector 11   0x080E0000 - 0x080FFFFF 128 Kbytes
 339 */
 340
 341 static uint32_t getFLASHSectorForEEPROM(void)
 342 {
 343     if ((uint32_t)&__config_start <= 0x08003FFF)
 344         return FLASH_SECTOR_0;
 345     if ((uint32_t)&__config_start <= 0x08007FFF)
 346         return FLASH_SECTOR_1;
 347     if ((uint32_t)&__config_start <= 0x0800BFFF)
 348         return FLASH_SECTOR_2;
 349     if ((uint32_t)&__config_start <= 0x0800FFFF)
 350         return FLASH_SECTOR_3;
 351     if ((uint32_t)&__config_start <= 0x0801FFFF)
 352         return FLASH_SECTOR_4;
 353     if ((uint32_t)&__config_start <= 0x0803FFFF)
 354         return FLASH_SECTOR_5;
 355     if ((uint32_t)&__config_start <= 0x0805FFFF)
 356         return FLASH_SECTOR_6;
 357     if ((uint32_t)&__config_start <= 0x0807FFFF)
 358         return FLASH_SECTOR_7;
 359     if ((uint32_t)&__config_start <= 0x0809FFFF)
 360         return FLASH_SECTOR_8;
 361     if ((uint32_t)&__config_start <= 0x080DFFFF)
 362         return FLASH_SECTOR_9;
 363     if ((uint32_t)&__config_start <= 0x080BFFFF)
 364         return FLASH_SECTOR_10;
 365     if ((uint32_t)&__config_start <= 0x080FFFFF)
 366         return FLASH_SECTOR_11;
 367
 368     // Not good
 369     while (1) {
 370         failureMode(FAILURE_CONFIG_STORE_FAILURE);
 371     }
 372 }
 373
 374 #endif
 375 #endif // CONFIG_IN_FLASH
 376
 377 // FIXME the return values are currently magic numbers
 378 static int write_word(config_streamer_t *c, config_streamer_buffer_align_type_t *buffer)
 379 {
 380     if (c->err != 0) {
 381         return c->err;
 382     }
 383 #if defined(CONFIG_IN_EXTERNAL_FLASH)
 384
 385     uint32_t dataOffset = (uint32_t)(c->address - (uintptr_t)&eepromData[0]);
 386
 387     const flashPartition_t *flashPartition = flashPartitionFindByType(FLASH_PARTITION_TYPE_CONFIG);
 388     const flashGeometry_t *flashGeometry = flashGetGeometry();
 389
 390     uint32_t flashStartAddress = flashPartition->startSector * flashGeometry->sectorSize;
 391     uint32_t flashOverflowAddress = ((flashPartition->endSector + 1) * flashGeometry->sectorSize); // +1 to sector for inclusive
 392
 393     uint32_t flashAddress = flashStartAddress + dataOffset;
 394     if (flashAddress + CONFIG_STREAMER_BUFFER_SIZE > flashOverflowAddress) {
 395         return -3; // address is past end of partition
 396     }
 397
 398     uint32_t flashSectorSize = flashGeometry->sectorSize;
 399     uint32_t flashPageSize = flashGeometry->pageSize;
 400     const uint8_t *buffers[1];
 401     uint32_t bufferSizes[1];
 402
 403     bool onPageBoundary = (flashAddress % flashPageSize == 0);
 404     if (onPageBoundary) {
 405
 406         bool firstPage = (flashAddress == flashStartAddress);
 407         if (!firstPage) {
 408             flashPageProgramFinish();
 409         }
 410
 411         if (flashAddress % flashSectorSize == 0) {
 412             flashEraseSector(flashAddress);
 413         }
 414
 415         flashPageProgramBegin(flashAddress, NULL);
 416     }
 417
 418     buffers[0] = (uint8_t *)buffer;
 419     bufferSizes[0] = CONFIG_STREAMER_BUFFER_SIZE;
 420
 421     flashPageProgramContinue(buffers, bufferSizes, 1);
 422
 423 #elif defined(CONFIG_IN_RAM) || defined(CONFIG_IN_SDCARD) || defined(CONFIG_IN_MEMORY_MAPPED_FLASH)
 424     if (c->address == (uintptr_t)&eepromData[0]) {
 425         memset(eepromData, 0, sizeof(eepromData));
 426     }
 427
 428     uint64_t *dest_addr = (uint64_t *)c->address;
 429     uint64_t *src_addr = (uint64_t*)buffer;
 430     uint8_t row_index = CONFIG_STREAMER_BUFFER_SIZE / sizeof(uint64_t);
 431     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE % sizeof(uint64_t) == 0, "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 432     /* copy the 256 bits flash word */
 433     do
 434     {
 435       *dest_addr++ = *src_addr++;
 436     } while (--row_index != 0);
 437
 438 #elif defined(CONFIG_IN_FILE)
 439
 440     if (c->address % FLASH_PAGE_SIZE == 0) {
 441         const FLASH_Status status = FLASH_ErasePage(c->address);
 442         if (status != FLASH_COMPLETE) {
 443             return -1;
 444         }
 445     }
 446     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t), "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 447     const FLASH_Status status = FLASH_ProgramWord(c->address, *buffer);
 448     if (status != FLASH_COMPLETE) {
 449         return -2;
 450     }
 451
 452 #elif defined(CONFIG_IN_FLASH)
 453
 454 #if defined(STM32H7)
 455     if (c->address % FLASH_PAGE_SIZE == 0) {
 456         FLASH_EraseInitTypeDef EraseInitStruct = {
 457             .TypeErase     = FLASH_TYPEERASE_SECTORS,
 458 #if !(defined(STM32H7A3xx) || defined(STM32H7A3xxQ))
 459             .VoltageRange  = FLASH_VOLTAGE_RANGE_3, // 2.7-3.6V
 460 #endif
 461             .NbSectors     = 1
 462         };
 463         getFLASHSectorForEEPROM(c->address, &EraseInitStruct.Banks, &EraseInitStruct.Sector);
 464         uint32_t SECTORError;
 465         const HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
 466         if (status != HAL_OK) {
 467             return -1;
 468         }
 469     }
 470
 471     // For H7
 472     // HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t DataAddress);
 473     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * FLASH_NB_32BITWORD_IN_FLASHWORD,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 474     const HAL_StatusTypeDef status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_FLASHWORD, c->address, (uint64_t)(uint32_t)buffer);
 475     if (status != HAL_OK) {
 476         return -2;
 477     }
 478 #elif defined(STM32F7)
 479     if (c->address % FLASH_PAGE_SIZE == 0) {
 480         FLASH_EraseInitTypeDef EraseInitStruct = {
 481             .TypeErase     = FLASH_TYPEERASE_SECTORS,
 482             .VoltageRange  = FLASH_VOLTAGE_RANGE_3, // 2.7-3.6V
 483             .NbSectors     = 1
 484         };
 485         EraseInitStruct.Sector = getFLASHSectorForEEPROM();
 486         uint32_t SECTORError;
 487         const HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
 488         if (status != HAL_OK) {
 489             return -1;
 490         }
 491     }
 492
 493     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * 1,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 494     // For F7
 495     // HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data);
 496     const HAL_StatusTypeDef status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, c->address, (uint64_t)*buffer);
 497     if (status != HAL_OK) {
 498         return -2;
 499     }
 500 #elif defined(STM32G4)
 501     if (c->address % FLASH_PAGE_SIZE == 0) {
 502
 503         FLASH_EraseInitTypeDef EraseInitStruct = {
 504             .TypeErase     = FLASH_TYPEERASE_PAGES,
 505             .NbPages       = 1
 506         };
 507         getFLASHSectorForEEPROM(c->address, &EraseInitStruct.Banks, &EraseInitStruct.Page);
 508         uint32_t SECTORError;
 509         const HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
 510         if (status != HAL_OK) {
 511             return -1;
 512         }
 513     }
 514
 515     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * 2,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 516     const HAL_StatusTypeDef status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, c->address, (uint64_t)*buffer);
 517     if (status != HAL_OK) {
 518         return -2;
 519     }
 520 #elif defined(AT32F4)
 521     if (c->address % FLASH_PAGE_SIZE == 0) {
 522         const flash_status_type status = flash_sector_erase(c->address);
 523         if (status != FLASH_OPERATE_DONE) {
 524             return -1;
 525         }
 526     }
 527
 528     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * 1,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 529     const flash_status_type status = flash_word_program(c->address, (uint32_t)*buffer);
 530     if (status != FLASH_OPERATE_DONE) {
 531         return -2;
 532     }
 533 #elif defined(APM32F4)
 534     if (c->address % FLASH_PAGE_SIZE == 0) {
 535         FLASH_EraseInitTypeDef EraseInitStruct = {
 536             .TypeErase     = FLASH_TYPEERASE_SECTORS,
 537             .VoltageRange  = FLASH_VOLTAGE_RANGE_3, // 2.7-3.6V
 538             .NbSectors     = 1
 539         };
 540         EraseInitStruct.Sector = getFLASHSectorForEEPROM();
 541         uint32_t SECTORError;
 542         const DAL_StatusTypeDef status = DAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
 543         if (status != DAL_OK) {
 544             return -1;
 545         }
 546     }
 547
 548     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * 1,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 549     const DAL_StatusTypeDef status = DAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, c->address, (uint64_t)*buffer);
 550     if (status != DAL_OK) {
 551         return -2;
 552     }
 553 #else // !STM32H7 && !STM32F7 && !STM32G4
 554     if (c->address % FLASH_PAGE_SIZE == 0) {
 555         const FLASH_Status status = FLASH_EraseSector(getFLASHSectorForEEPROM(), VoltageRange_3); //0x08080000 to 0x080A0000
 556         if (status != FLASH_COMPLETE) {
 557             return -1;
 558         }
 559     }
 560
 561     STATIC_ASSERT(CONFIG_STREAMER_BUFFER_SIZE == sizeof(uint32_t) * 1,  "CONFIG_STREAMER_BUFFER_SIZE does not match written size");
 562     const FLASH_Status status = FLASH_ProgramWord(c->address, *buffer);
 563     if (status != FLASH_COMPLETE) {
 564         return -2;
 565     }
 566 #endif
 567 #endif
 568     c->address += CONFIG_STREAMER_BUFFER_SIZE;
 569     return 0;
 570 }
 571
 572 int config_streamer_write(config_streamer_t *c, const uint8_t *p, uint32_t size)
 573 {
 574     for (const uint8_t *pat = p; pat != (uint8_t*)p + size; pat++) {
 575         c->buffer.b[c->at++] = *pat;
 576
 577         if (c->at == sizeof(c->buffer)) {
 578             c->err = write_word(c, &c->buffer.w);
 579             c->at = 0;
 580         }
 581     }
 582     return c->err;
 583 }
 584
 585 int config_streamer_status(config_streamer_t *c)
 586 {
 587     return c->err;
 588 }
 589
 590 int config_streamer_flush(config_streamer_t *c)
 591 {
 592     if (c->at != 0) {
 593         memset(c->buffer.b + c->at, 0, sizeof(c->buffer) - c->at);
 594         c->err = write_word(c, &c->buffer.w);
 595         c->at = 0;
 596     }
 597     return c->err;
 598 }
 599
 600 int config_streamer_finish(config_streamer_t *c)
 601 {
 602     if (c->unlocked) {
 603 #if defined(CONFIG_IN_SDCARD)
 604         saveEEPROMToSDCard();
 605 #elif defined(CONFIG_IN_EXTERNAL_FLASH)
 606         flashFlush();
 607 #elif defined(CONFIG_IN_MEMORY_MAPPED_FLASH)
 608         saveEEPROMToMemoryMappedFlash();
 609 #elif defined(CONFIG_IN_RAM)
 610         // NOP
 611 #elif defined(CONFIG_IN_FILE)
 612         FLASH_Lock();
 613 #elif defined(CONFIG_IN_FLASH)
 614 #if defined(STM32F7) || defined(STM32H7) || defined(STM32G4)
 615         HAL_FLASH_Lock();
 616 #elif defined(AT32F4)
 617         flash_lock();
 618 #elif defined(APM32F4)
 619         DAL_FLASH_Lock();
 620 #else
 621         FLASH_Lock();
 622 #endif
 623 #endif
 624         c->unlocked = false;
 625     }
 626     return c->err;
 627 }