/*
	Updated for the multiple device support: June 2013
	by ihsan Kehribar <ihsan@kehribar.me>

	Updated for the new firmware: July 2012
	by ihsan Kehribar <ihsan@kehribar.me>

	Created: December 2011
	by Omer Kilic <omerkilic@gmail.com>
*/

#include <stdio.h>
#include <stdlib.h>
#include "littleWire.h"
#include "littleWire_util.h"

#define LED PIN1

unsigned char version;
int total_lwCount;
int i;

int main(int argc, char **argv) {
	littleWire *lw = NULL;

	total_lwCount = littlewire_search();

	if(total_lwCount == 1) {
		printf("----------------------------------------------------------\n");
		printf("> 1 Little Wire device is found with serialNumber: %d\n", lwResults[0].serialNumber);
		printf("----------------------------------------------------------\n");
	} else if(total_lwCount > 1) {
		printf("----------------------------------------------------------\n");
		printf("> %d Little Wire devices are found\n", total_lwCount);
		printf("----------------------------------------------------------\n");
		printf("> #id - serialNumber\n");
		for(i=0; i < total_lwCount; i++) {
			printf(">  %2d - %3d\n", i, lwResults[i].serialNumber);
		}
		printf("----------------------------------------------------------\n");
	} else if(total_lwCount == 0) {
		printf("----------------------------------------------------------\n");
		printf("> Little Wire could not be found!\n");
		printf("----------------------------------------------------------\n");
		exit(EXIT_FAILURE);
	}

	/* Connects to the first littleWire device the computer can find. */
	// lw = littleWire_connect();

	/* Connects to the spesific littleWire device by array id. */
	lw = littlewire_connect_byID(0);

	/* Connects to the spesific littleWire with a given serial number. */
	/* If multiple devices have the same serial number, it connects to the last one it finds */
	// lw = littlewire_connect_bySerialNum(126);

	if(lw == NULL){
		printf("> Little Wire connection problem!\n");
		exit(EXIT_FAILURE);
	}

	version = readFirmwareVersion(lw);
	printf("> Little Wire firmware version: %d.%d\n", ((version & 0xF0) >> 4), (version&0x0F));
	if(version < 0x12) {
		printf("> This example requires the new 1.2 version firmware. Please update soon.\n");
		return 0;
	}

	/* In order to change the serial number of the current connected device, use the following function. */
	/* You need to unplug-plug to see the change. */
	/* Serial numbers have to be between 100-999 */
	// changeSerialNumber(lw,152);

	/*------------------------------------------------------------------------------------------------------*/

        if (argc == 0) {
            return 0;
        }

	pinMode(lw, LED, OUTPUT);

	digitalWrite(lw, LED, HIGH);
    	delay(atoi(argv[1]));
	digitalWrite(lw, LED, LOW);

	if(lwStatus < 0) {
	    printf("> lwStatus: %d\n", lwStatus);
	    printf("> Connection error: ");
	    printf("%s\n", littleWire_errorName());
	    return 0;
	}
	return 0;
}