Function esp_idf_svc::hal::sys::esp_flash_read_id

source · 
pub unsafe extern "C" fn esp_flash_read_id(
    chip: *mut esp_flash_t,
    out_id: *mut u32,
) -> i32
Expand description

@brief Read flash ID via the common “RDID” 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 ID value.

ID is a 24-bit value. Lower 16 bits of ‘id’ are the chip ID, upper 8 bits are the manufacturer ID.

@return ESP_OK on success, or a flash error code if operation failed.