amt630hv160-sdk-release/amt630hv160-freertos-beta/ArkmicroFiles/libboard-amt630hv160/source/flash.c

#include "board.h"
#include "sfud.h"
#include "snfud.h"
#include "mmcsd_core.h"


/**
 * read flash data
 *
 * @param flash flash device
 * @param addr start address
 * @param size read size
 * @param data read data pointer
 *
 * @return result
 */
int flash_read(uint32_t addr, size_t size, uint8_t *data)
{
#if DEVICE_TYPE_SELECT == SPI_NOR_FLASH
	static sfud_flash *sflash = NULL;

	if (!sflash) {
		sflash = sfud_get_device(0);
	}
	return sfud_read(sflash, addr, size, data);
#elif DEVICE_TYPE_SELECT == SPI_NAND_FLASH
	static sfud_flash *snflash = NULL;

	if (!snflash) {
		snflash = snfud_get_device(0);
	}
	return snfud_read(snflash, addr, size, data);
#else
	return emmc_read(addr, size, data);
#endif
}

/**
 * write flash data (no erase operate)
 *
 * @param flash flash device
 * @param addr start address
 * @param data write data
 * @param size write size
 *
 * @return result
 */
int flash_write(uint32_t addr, size_t size, const uint8_t *data)
{
#if DEVICE_TYPE_SELECT == SPI_NOR_FLASH
	static sfud_flash *sflash = NULL;
	if (!sflash) {
		sflash = sfud_get_device(0);
	}
	return sfud_write(sflash, addr, size, data);
#elif DEVICE_TYPE_SELECT == SPI_NAND_FLASH
	static sfud_flash *snflash = NULL;

	if (!snflash) {
		snflash = snfud_get_device(0);
	}
	return snfud_write(snflash, addr, size, data);
#else
	return emmc_write(addr, size, (uint8_t *)data);
#endif
}

/**
 * erase and write flash data
 *
 * @param flash flash device
 * @param addr start address
 * @param size write size
 * @param data write data
 *
 * @return result
 */
int flash_erase_write(uint32_t addr, size_t size, const uint8_t *data)
{
#if DEVICE_TYPE_SELECT == SPI_NOR_FLASH
	static sfud_flash *sflash = NULL;

	if (!sflash) {
		sflash = sfud_get_device(0);
	}
	return sfud_erase_write(sflash, addr, size, data);
#elif DEVICE_TYPE_SELECT == SPI_NAND_FLASH
	static sfud_flash *snflash = NULL;

	if (!snflash) {
		snflash = snfud_get_device(0);
	}
	return snfud_erase_write(snflash, addr, size, data);
#else
	return emmc_write(addr, size, (uint8_t *)data);
#endif
}

/**
 * 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
 */
int flash_erase(uint32_t addr, size_t size)
{
#if DEVICE_TYPE_SELECT == SPI_NOR_FLASH
	static sfud_flash *sflash = NULL;

	if (!sflash) {
		sflash = sfud_get_device(0);
	}
	return sfud_erase(sflash, addr, size);
#elif DEVICE_TYPE_SELECT == SPI_NAND_FLASH
	static sfud_flash *snflash = NULL;

	if (!snflash) {
		snflash = snfud_get_device(0);
	}
	return snfud_erase(snflash, addr, size);
#else
	return 0;
#endif
}