/**
* @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();}
}
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;
}