コード例 #1
0
ファイル: main.c プロジェクト: edarring/lpcopen
 /**
 * @brief	Main entry point
 * @return	Nothing
 */
int main(void)
{
	SPIFIobj *obj = &spifi_obj;
	uint32_t spifi_clk_mhz;
	SPIFIopers opers;
	int ret;
	spifi_rom_init(spifi);
	
	/* Initialize the board & LEDs for error indication */
	Board_Init();
	
	/* Since this code runs from SPIFI no special initialization required here */
	prepare_write_data(data_buffer, sizeof(data_buffer));

	spifi_clk_mhz = Chip_Clock_GetRate(CLK_MX_SPIFI) / 1000000;
	
	/* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
	if (spifi_init(obj, spifi_clk_mhz / 5, S_RCVCLK | S_FULLCLK, spifi_clk_mhz)) {
		DEBUGSTR("Error initializing SPIFI interface!\r\n");
		Board_LED_Set(1, 1);
		goto end_prog;
	}
	
	/* Prepare the operations structure */
	memset(&opers, 0, sizeof(SPIFIopers));
	opers.dest = (char *) SPIFI_WRITE_SECTOR_OFFSET;
	opers.length = sizeof(data_buffer);
	/* opers.options = S_VERIFY_PROG; */
	
	/* NOTE: All interrupts must be disabled before calling program as
	 * any triggered interrupts might attempt to run a code from SPIFI area
	 */
	ret = spifi_program(obj, (char *) data_buffer, &opers);
	if (ret) {
		DEBUGOUT("Error 0x%x: Programming of data buffer to SPIFI Failed!\r\n", ret);
		Board_LED_Set(1, 1);
		goto end_prog;
	}
	DEBUGSTR("SPIFI Programming successful!\r\n");

	if (verify_spifi_data((uint8_t *) SPIFI_WRITE_SECTOR_ADDRESS, sizeof(data_buffer))) {
		DEBUGSTR("Error verifying the SPIFI data\r\n");
		Board_LED_Set(1, 1);
		goto end_prog;
	}
	Board_LED_Set(0, 1);
	DEBUGSTR("SPIFI Data verified!\r\n");

end_prog:
	while(1) {__WFI();}
}
コード例 #2
0
ファイル: flash.cpp プロジェクト: Neon22/pixy
int32_t flash_program(uint32_t addr, const uint8_t *data, uint32_t len)
{
	SPIFIopers spifi;
	// add offset
	if (addr>=FLASH_BEGIN && addr<=FLASH_END)
		addr += FLASH_OFFSET;

 	memset((void *)&spifi, 0, sizeof(spifi));

	spifi.dest = (char *)addr;
	spifi.length = len;
	spifi.scratch = NULL;
	spifi.options = S_VERIFY_PROG;
	if (spifi_program(&g_spifi, (char *)data, &spifi))
		return -1;
	return 0;
}