#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "libtwn3.h"

#include <errno.h>
#include <string.h>


int main(int argc, char** argv){
	char data[1024];
	unsigned u;

	int device = twn3_open("/dev/ttyACM0");
	
	printf("Device is at fd %d\n", device);
	if(device < 0){
		printf("%s\n", strerror(errno));
		return EXIT_FAILURE;
	}

	//check version
	if(twn3_sync_read_version(device, 0, data, sizeof(data)) >= 0){
		printf("Connected reader firmware version: %s\n", data);
	}

	//read eeprom
	for(u = 0; u < 0x15; u++){
		uint8_t regdata = 0;
		twn3_sync_read_eeprom(device, 0, u, &regdata);
		printf("Register %d has data %02X\n", u, regdata);
	}

	//write some userdata
	twn3_sync_write_eeprom(device, 0, 19, 0xAA);

	//set ExtendID bit
	//twn3_sync_write_eeprom(device, 0, 5, 0x05);

	//restart device
	//twn3_sync_restart(device, 0);

	//store a key
	uint8_t key[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
	twn3_sync_storekey(device, 0, 12, key);

	close(device);
	return EXIT_SUCCESS;
}