finalworking.txt

SOIL PARAMETERS RECEIVE SERVER CODE

 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "isr_compat.h"
#include "msp430.h"
#include "dev/watchdog.h"
void delay(long int);                      //Global Declarations
void getdata();
void deinit();
void uartinit();

#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
#warning "Compiling with static routing!"
#include "static-routing.h"
#endif

#include "erbium.h"


#if defined (PLATFORM_HAS_BUTTON)		/*Declarations Defining the components of the sensor node(mote) such as Button,leds,lights,battery and radio*/
#include "dev/button-sensor.h"
#endif
#if defined (PLATFORM_HAS_LEDS)
#include "dev/leds.h"
#endif
#if defined (PLATFORM_HAS_LIGHT)
#include "dev/light-sensor.h"
#endif
#if defined (PLATFORM_HAS_BATTERY)
#include "dev/battery-sensor.h"
#endif
#if defined (PLATFORM_HAS_SHT11)
#include "dev/sht11-sensor.h"
#endif
#if defined (PLATFORM_HAS_RADIO)
#include "dev/radio-sensor.h"
#endif


/* For CoAP-specific example: not required for normal RESTful Web service. Defining that coap 08 is compatible with this code*/
#if WITH_COAP == 3
#include "er-coap-03.h"
#elif WITH_COAP == 7
#include "er-coap-07.h"
#else
#warning "Erbium example without CoAP-specifc functionality"
#endif /* CoAP-specific example */

#define DEBUG 0		//Code needed for using printf statements
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#define PRINTLLADDR(addr)
#endif

char dest[30];
int de = 0, ec = 0, tp =0,dec=0,edec=0,dep=0,det=0;// declaring the soil parameter variables
char msg[11]="55 128 600";
static int l;
/* A simple actuator example. Toggles the red led */
RESOURCE(toggle, METHOD_GET , "receive", "title=\"Red LED\";rt=\"Control\"");		//Receive resource defined here
void
toggle_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
	
	printf("entered resource\n");
	uartinit();
	
	P2OUT |= BIT3;				//Selection of a GPIO pin
	l=0;
	
	delay(150000);				// A delay is given for 								triggering the sensor
	P2OUT ^= BIT3;				//Excitation of a GPIO pin 
	printf("%s\n",dest);
	getdata();
	
	deinit();

	REST.set_header_content_type(response, REST.type.APPLICATION_XML);	//To Display the data in the Copper Add-on in the Mozilla Firefox Web Browser
        snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "Dielectric= %d.%d\nElectrical conductivity= %d.%d\nTemperature= %d.%d\n",de,dep,ec,edec,tp,dec);

        REST.set_response_payload(response, buffer, strlen((char *)buffer));
  
	//delay(100000);
	printf("exit resource\n");
	
}


PROCESS(rest_server_example, "Erbium Example Server");
AUTOSTART_PROCESSES(&rest_server_example);


PROCESS_THREAD(rest_server_example, ev, data)
{
  PROCESS_BEGIN();

  PRINTF("Starting Erbium Example Server\n");

#ifdef RF_CHANNEL
  PRINTF("RF channel: %u\n", RF_CHANNEL);
#endif
#ifdef IEEE802154_PANID
  PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
#endif

  PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
  PRINTF("LL header: %u\n", UIP_LLH_LEN);
  PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
  PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);

/* if static routes are used rather than RPL */
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
  set_global_address();
  configure_routing();
#endif

  /* Initialize the REST engine. */
  rest_init_engine();

 
	
	rest_activate_resource(&resource_toggle);	//Activate the resource
	
	
	
  while(1) {
printf("enters while\n");
    PROCESS_WAIT_EVENT(); 
printf("repeat while\n");
      } /* while (1) */

  PROCESS_END();
}

ISR(UART0RX,uart0_rx_interrupt)		//Interrupt Service Routine
{
	
	//printf("%c",RXBUF0);
	if(l<15)
	{
	dest[l-1] = RXBUF0;
l++;
}
IFG1 &= ~URXIFG0;
return;

}

void uartinit()
{
	WDTCTL = WDTPW + WDTHOLD;
	P3SEL |= 0x20;				//Select UART0 Transmit and Receive        
	P3DIR &= ~0x20;                      	//Make URXD0 as input        
		        
		               	       
	ME1 |= URXE0;				//module enable         
	U0CTL = CHAR;				//Select 8 bit transceive mode        
	U0TCTL = 147;				//ACLK = UCLK        
	//U0RCTL = 0x00;        
	U0BR0=0x1b;				//Baud rate register        
	U0BR1=0x00;        
	U0MCTL=0x24;				//Modulation control register        
	U0CTL &= ~SWRST;			//UART Software Reset			      	
	IE1 = URXIE0;				//Enable Receive Interrrupt
	P2SEL &= (~BIT3);			//Select Port 2 
	P2DIR |= BIT3;				
}

void delay(long int n)
{
	long int i;
	for(i=0;i<n;i++)
	_NOP();
}

void getdata()					//Function for receiving Sensor Data and converting ASCII to Decimal
{
	
	int k=0;
	de = 0;
	tp = 0;
	ec = 0;
	
	while(dest[k]!=32)
	{
		de = de*10 + (dest[k] - 48);
		k++;
	}
	k++;
	while(dest[k]!=32)
	{
		ec = ec*10 + (dest[k] - 48);
		k++;
	}
	k++;
	while(dest[k]!=0x0D)
	{
		tp = tp*10 + (dest[k] - 48);
		k++;
	}
	
	printf("%d,%d,%d\n",de,ec,tp);
	det=de % 50;		
	dep=(det * 10)/50;	
	de = de/50;
	edec=ec%100;
	ec = ec/100;
	dec = tp % 10;
	tp = (tp-400)/10;
	printf("%d,%d,%d.%d\n",de,ec,tp,dec);
	P2SEL &= (~BIT6);
	P2DIR |= BIT6;
	if(tp>28)
	{
	P2OUT |=BIT6;
	}
	else
	P2OUT = 0 ;
}

void deinit()				//De-initialization which helps in Displaying the data on the Copper Add on in Mozilla Firefox Browser
{
	U0BR0=0x02;	
			
        U0BR1=0x00;

        U0MCTL=0x00;
	
	
	IFG1 = 130;
	
	
	
	
	
	U0TCTL = 163;
	//U0RCTL = 0;
	IE1 = WDTIE;
	U0CTL = 22;
}