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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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13
components/spi_flash/include/esp_flash.h
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@@ -156,6 +156,19 @@ esp_err_t esp_flash_read_id(esp_flash_t *chip, uint32_t *out_id);
*/
esp_err_t esp_flash_get_size(esp_flash_t *chip, uint32_t *out_size);
/** @brief Read flash unique ID via the common "RDUID" SPI flash command.
*
* @param chip Pointer to identify flash chip. Must have been successfully initialised via esp_flash_init().
* @param[out] out_id Pointer to receive unique ID value.
*
* ID is a 64-bit value.
*
* @return
* - ESP_OK on success, or a flash error code if operation failed.
* - ESP_ERR_NOT_SUPPORTED if the chip doesn't support read id.
*/
esp_err_t esp_flash_read_unique_chip_id(esp_flash_t *chip, uint64_t *out_id);
/** @brief Erase flash chip contents
*
* @param chip Pointer to identify flash chip. Must have been successfully initialised via esp_flash_init()