rt-thread-official/components/drivers/spi/sfud/inc/sfud.h

/*
 * This file is part of the Serial Flash Universal Driver Library.
 *
 * Copyright (c) 2016-2018, Armink, <armink.ztl@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Function: It is an head file for this library. You can see all of the functions which can be called by user.
 * Created on: 2016-04-23
 */

#ifndef _SFUD_H_
#define _SFUD_H_

#include "sfud_def.h"

#ifdef __cplusplus
extern "C" {
#endif

/* ../src/sfup.c */
/**
 * SFUD library initialize.
 *
 * @return result
 */
sfud_err sfud_init(void);

/**
 * SFUD initialize by flash device
 *
 * @param flash flash device
 *
 * @return result
 */
sfud_err sfud_device_init(sfud_flash *flash);

/**
 * get flash device by its index which in the flash information table
 *
 * @param index the index which in the flash information table  @see flash_table
 *
 * @return flash device
 */
sfud_flash *sfud_get_device(size_t index);

/**
 * get flash device total number on flash device information table  @see flash_table
 *
 * @return flash device total number
 */
size_t sfud_get_device_num(void);

/**
 * get flash device information table  @see flash_table
 *
 * @return flash device table pointer
 */
const sfud_flash *sfud_get_device_table(void);

#ifdef SFUD_USING_QSPI
/**
 * Enbale the fast read mode in QSPI flash mode. Default read mode is normal SPI mode.
 *
 * it will find the appropriate fast-read instruction to replace the read instruction(0x03)
 * fast-read instruction @see SFUD_FLASH_EXT_INFO_TABLE
 *
 * @note When Flash is in QSPI mode, the method must be called after sfud_device_init().
 *
 * @param flash flash device
 * @param data_line_width the data lines max width which QSPI bus supported, such as 1, 2, 4
 *
 * @return result
 */
sfud_err sfud_qspi_fast_read_enable(sfud_flash *flash, uint8_t data_line_width);
#endif /* SFUD_USING_QSPI */

/**
 * read flash data
 *
 * @param flash flash device
 * @param addr start address
 * @param size read size
 * @param data read data pointer
 *
 * @return result
 */
sfud_err sfud_read(const sfud_flash *flash, uint32_t addr, size_t size, uint8_t *data);

/**
 * erase flash data
 *
 * @note It will erase align by erase granularity.
 *
 * @param flash flash device
 * @param addr start address
 * @param size erase size
 *
 * @return result
 */
sfud_err sfud_erase(const sfud_flash *flash, uint32_t addr, size_t size);

/**
 * write flash data (no erase operate)
 *
 * @param flash flash device
 * @param addr start address
 * @param data write data
 * @param size write size
 *
 * @return result
 */
sfud_err sfud_write(const sfud_flash *flash, uint32_t addr, size_t size, const uint8_t *data);

/**
 * erase and write flash data
 *
 * @param flash flash device
 * @param addr start address
 * @param size write size
 * @param data write data
 *
 * @return result
 */
sfud_err sfud_erase_write(const sfud_flash *flash, uint32_t addr, size_t size, const uint8_t *data);

/**
 * erase all flash data
 *
 * @param flash flash device
 *
 * @return result
 */
sfud_err sfud_chip_erase(const sfud_flash *flash);

/**
 * read flash register status
 *
 * @param flash flash device
 * @param status register status
 *
 * @return result
 */
sfud_err sfud_read_status(const sfud_flash *flash, uint8_t *status);

/**
 * write status register
 *
 * @param flash flash device
 * @param is_volatile true: volatile mode, false: non-volatile mode
 * @param status register status
 *
 * @return result
 */
sfud_err sfud_write_status(const sfud_flash *flash, bool is_volatile, uint8_t status);

#ifdef __cplusplus
}
#endif

#endif /* _SFUD_H_ */