esp-idf/components/spi_flash/flash_brownout_hook.c

40 lines
883 B
C

/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <stdbool.h>
#include "esp_attr.h"
#include "sdkconfig.h"
#include "esp_rom_spiflash.h"
#if CONFIG_SPI_FLASH_BROWNOUT_RESET
static bool flash_brownout_needs_reset = false;
static bool flash_erasing = false;
// This function could be called in startup
void spi_flash_needs_reset_check(void)
{
// Currently only XMC is suggested to reset when brownout
#if CONFIG_SPI_FLASH_BROWNOUT_RESET_XMC
if ((g_rom_flashchip.device_id >> 16) == 0x20) {
flash_brownout_needs_reset = true;
}
#endif
}
void spi_flash_set_erasing_flag(bool status)
{
flash_erasing = status;
}
bool spi_flash_brownout_need_reset(void)
{
return (flash_brownout_needs_reset && flash_erasing);
}
#endif //CONFIG_SPI_FLASH_BROWNOUT_RESET