C++ (Cpp) flash_write_user_signatureの例

コード例 #1

ファイル: sam_nvm.c プロジェクト: InSoonPark/asf

status_code_t nvm_write(mem_type_t mem, uint32_t address, void *buffer,
		uint32_t len)
{
	switch (mem) {
	case INT_FLASH:
#if SAM4S
		/*! This erases 8 pages of flash before writing */
		if (flash_erase_page(address, IFLASH_ERASE_PAGES_8)) {
			return ERR_INVALID_ARG;
		}

		if (flash_write(address, (const void *)buffer, len, false)) {
			return ERR_INVALID_ARG;
		}

#elif SAM4L
		flashcalw_memcpy((volatile void *)address, (const void *)buffer,
				len, true);
#else
		if (flash_write(address, (const void *)buffer, len, true)) {
			return ERR_INVALID_ARG;
		}
#endif
		break;

#if SAM4S
	case INT_USERPAGE:
		if (flash_write_user_signature((const void *)buffer, len)) {
			return ERR_INVALID_ARG;
		}
		break;
#endif

#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
	case AT45DBX:
	{
		uint32_t sector = address / AT45DBX_SECTOR_SIZE;
		if (!at45dbx_write_sector_open(sector)) {
			return ERR_BAD_ADDRESS;
		}

		at45dbx_write_sector_from_ram((const void *)buffer);
		at45dbx_write_close();
	}
	break;
#endif

	default:
		return ERR_INVALID_ARG;
	}

	return STATUS_OK;
}

コード例 #2

ファイル: sam_nvm.c プロジェクト: kerichsen/asf

status_code_t nvm_write_char(mem_type_t mem, uint32_t address, uint8_t data)
{
	switch (mem) {
	case INT_FLASH:
#if SAM4S
		/*! This erases 8 pages of flash before writing */
		if (flash_erase_page(address, IFLASH_ERASE_PAGES_8)) {
			return ERR_INVALID_ARG;
		} else if (flash_write(address, (const void *)&data, 1,
				false)) {
			return ERR_INVALID_ARG;
		}

#else
		if (flash_write(address, (const void *)&data, 1, true)) {
			return ERR_INVALID_ARG;
		}

#endif
		break;

#if SAM4S
	case INT_USERPAGE:
		if (flash_write_user_signature((const void *)&data,	1)) {
			return ERR_INVALID_ARG;
		}
		break;
#endif

#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
	case AT45DBX:
		if (!at45dbx_write_byte_open() address) {
			return ERR_BAD_ADDRESS;
		}

		at45dbx_write_byte(data);
		at45dbx_write_close();
		at45dbx_read_byte_open(address);
		read = at45dbx_read_byte();
		at45dbx_read_close();
		break;
#endif

	default:
		return ERR_INVALID_ARG;
	}

	return STATUS_OK;
}