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[beken-72xx] Unprotect flash before writing

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This commit is contained in:
Kuba Szczodrzyński
2022-09-03 17:50:36 +02:00
parent ef15e754c9
commit cb40fdcdbe
1 changed files with 18 additions and 3 deletions
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21
arduino/beken-72xx/port/flashdb/fal_flash_bk72xx_port.c
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@@ -1,5 +1,6 @@
/* Copyright (c) Kuba Szczodrzyński 2022-06-19. */
#include <lt_logger.h>
#include <sdk_extern.h>
#include <fal.h>
@@ -8,15 +9,27 @@
#define FLASH_ERASE_MIN_SIZE (4 * 1024)
extern uint32_t flash_ctrl(uint32_t cmd, void *param);
extern PROTECT_TYPE get_flash_protect();
extern void flash_protection_op(uint8_t mode, PROTECT_TYPE type);
static void unprotect() {
PROTECT_TYPE type = get_flash_protect();
if (type != FLASH_PROTECT_NONE) {
flash_protection_op(0, FLASH_PROTECT_NONE);
#if LT_LOGLEVEL <= LT_LEVEL_DEBUG
LT_D("Flash protect: %u -> %u", type, get_flash_protect());
uint16_t sr = 0;
flash_ctrl(CMD_FLASH_READ_SR, &sr);
LT_D("SR = %04x", sr);
#endif
}
}
static int init() {
__wrap_bk_printf_disable();
flash_init();
#if CFG_SOC_NAME == SOC_BK7231N
flash_ctrl(CMD_FLASH_WRITE_ENABLE, NULL);
flash_protection_op(0, FLASH_PROTECT_NONE);
#endif
unprotect();
__wrap_bk_printf_enable();
return 0;
}
@@ -27,11 +40,13 @@ static int read(long offset, uint8_t *buf, size_t size) {
}
static int write(long offset, const uint8_t *buf, size_t size) {
unprotect();
flash_write((char *)buf, size, offset);
return size;
}
static int erase(long offset, size_t size) {
unprotect();
size = ((size - 1) / FLASH_ERASE_MIN_SIZE) + 1;
for (uint16_t i = 0; i < size; i++) {
uint32_t addr = offset + i * FLASH_ERASE_MIN_SIZE;