Smart Parking App

smart-parking

/***************************************************************************/
/*PubNub C-Core Initialization*/

pubnub_t *l_receive = pubnub_alloc();

if (NULL == l_receive) 
{
	printf("Failed to allocate Pubnub context!\n");
	return (void *)-1;
}

pubnub_init(l_receive, "demo", "demo");
/***************************************************************************/

/***************************************************************************/
/*PubNub Javascript SDK Initialization */

pubnub = PUBNUB({
            publish_key: 'demo',
            subscribe_key: 'demo'
        })
        
/***************************************************************************/

smart-parking-js-pubsub

pubnub.subscribe({
    channel: "parkingstatus-resp",
    message: function(message, env, ch, timer, magic_ch) {
         $.mobile.loading( "hide" );
        var currentStatus = Object.keys(message).reverse().map(function(key) {
            return codeColor[message[key]]
        })
        $('.parking-spot').each(function(i, elem) {
            $(elem).removeClass("available unavailable occupied").addClass(currentStatus[i])
        })

    },
    connect: pub
})

function pub() {
    console.log("Since we’re publishing on subscribe connectEvent, we’re sure we’ll receive the following publish.");
    pubnub.publish({
        channel: "parkingstatus-req",
        message: {
            "Requester": "APP",
            "Device ID": 0,
            "Request Type": 4,
            "Request Value": 0
        },
        callback: function(m) {
            console.log(m)
        }
    })
}

smart-parking-uart

int uartInit(void)
{
	g_uart0_filestream = open("/dev/ttyAMA0", O_RDWR | O_NOCTTY | O_NDELAY);
	if(g_uart0_filestream == -1)
	{
		printf("Error Connecting with the Device \n");
		return -1;
	}
	//Setting the Baud Rate and No. of the Stop Bits for the UART
	struct termios options;
	tcgetattr(g_uart0_filestream,&options);
	//BAUD Rate Initialized to 9600 bps
	options.c_cflag = B9600 | CS8 | CLOCAL | CREAD;
	options.c_iflag = IGNPAR;
	options.c_oflag = 0;
	options.c_lflag = 0;
	tcflush(g_uart0_filestream, TCIFLUSH);
	tcsetattr(g_uart0_filestream,TCSANOW,&options);
	return 0;
}