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spi_flash: add a new function to support read the unique id

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Close https://github.com/espressif/esp-idf/pull/4255
This commit is contained in:
Cao Sen Miao
2020-11-27 19:09:40 +08:00
committed by Cao Senmiao
parent 31ba414c4d
commit 78a2dbe42a
11 changed files with 93 additions and 2 deletions
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25
components/spi_flash/esp_flash_api.c
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@@ -286,6 +286,31 @@ esp_err_t esp_flash_read_id(esp_flash_t* chip, uint32_t* out_id)
}
#endif //CONFIG_SPI_FLASH_ROM_IMPL
static esp_err_t IRAM_ATTR NOINLINE_ATTR read_unique_id(esp_flash_t* chip, uint64_t* out_uid)
{
esp_err_t err = rom_spiflash_api_funcs->start(chip);
if (err != ESP_OK) {
return err;
}
err = chip->chip_drv->read_unique_id(chip, out_uid);
return rom_spiflash_api_funcs->end(chip, err);
}
esp_err_t esp_flash_read_unique_chip_id(esp_flash_t *chip, uint64_t* out_uid)
{
esp_err_t err = rom_spiflash_api_funcs->chip_check(&chip);
if (err != ESP_OK) {
return err;
}
if (out_uid == NULL) {
return ESP_ERR_INVALID_ARG;
};
return read_unique_id(chip, out_uid);
}
static esp_err_t IRAM_ATTR detect_spi_flash_chip(esp_flash_t *chip)
{
esp_err_t err;