Rp2040/Components/spi_flash/include/esp_spi_flash.h

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/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/SmingHub/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 *
 * Based on NodeMCU platform_flash
 * https://github.com/nodemcu/nodemcu-firmware
 *
 ****/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <esp_system.h>
#include <sys/pgmspace.h>
 
#define INTERNAL_FLASH_SECTOR_SIZE 4096
#define INTERNAL_FLASH_START_ADDRESS FLASH_BASE
 
typedef enum {
    MODE_QIO = 0,
    MODE_QOUT = 1,
    MODE_DIO = 2,
    MODE_DOUT = 15,
    MODE_SLOW_READ = 0xFE, 
    MODE_FAST_READ = 0xFF, 
} SPIFlashMode;
 
typedef enum {
    SPEED_40MHZ = 0,
    SPEED_26MHZ = 1,
    SPEED_20MHZ = 2,
    SPEED_80MHZ = 15,
} SPIFlashSpeed;
 
typedef enum {
    SIZE_4MBIT = 0,
    SIZE_2MBIT = 1,
    SIZE_8MBIT = 2,
    SIZE_16MBIT = 3,
    SIZE_32MBIT = 4,
    SIZE_1MBIT = 0xFF, 
} SPIFlashSize;
 
/*
 * @brief Read flash SFDP device information (standard for Serial Flash Discoverable Parameters)
 * @param addr First memory location to read
 * @param buffer Buffer for data
 * @param count Number of bytes to read
 * @ingroup flash
 */
void flashmem_sfdp_read(uint32_t addr, void* buffer, size_t count);
 
#ifdef __cplusplus
}
#endif
 
#include <flashmem.h>