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UDP doesn't work

 
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biomed12



Joined: 05 Feb 2016
Posts: 33

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UDP doesn't work
PostPosted: Thu Aug 25, 2016 7:54 pm     Reply with quote

Hello everyone,

Very basically I want to communicate my 18f4620 with my PC. The software which is at PC side is a server and the PIC is client.

I started the server and also tested by sending some datas from my android phone. I used two type of code. Here is:

Code:


#include <main.h>

enum states{SET_TICK_COUNTER,MONITORING,UDP_PUT_FAIL,TXD_PROCESS};
int8 adcData=0;
states state=SET_TICK_COUNTER;
int32 tickCounter=0;
UDP_SOCKET s1;


void IPAddressInit(void)
{
   //MAC address of this unit
   MY_MAC_BYTE1=0x00 ;
   MY_MAC_BYTE2=0x4;
   MY_MAC_BYTE3=0xA3;
   MY_MAC_BYTE4=0x00;
   MY_MAC_BYTE5=0x00;
   MY_MAC_BYTE6=0x00;

   //IP address of this unit
   MY_IP_BYTE1=MY_DEFAULT_IP_ADDR_BYTE1;
   MY_IP_BYTE2=MY_DEFAULT_IP_ADDR_BYTE2;
   MY_IP_BYTE3=MY_DEFAULT_IP_ADDR_BYTE3;
   MY_IP_BYTE4=MY_DEFAULT_IP_ADDR_BYTE4;

   //network gateway
   MY_GATE_BYTE1=MY_DEFAULT_GATE_BYTE1;
   MY_GATE_BYTE2=MY_DEFAULT_GATE_BYTE2;
   MY_GATE_BYTE3=MY_DEFAULT_GATE_BYTE3;
   MY_GATE_BYTE4=MY_DEFAULT_GATE_BYTE4;

   //subnet mask
   MY_MASK_BYTE1=MY_DEFAULT_MASK_BYTE1;
   MY_MASK_BYTE2=MY_DEFAULT_MASK_BYTE2;
   MY_MASK_BYTE3=MY_DEFAULT_MASK_BYTE3;
   MY_MASK_BYTE4=MY_DEFAULT_MASK_BYTE4;
}

void udpTask()

   switch(state)
   { 
      case SET_TICK_COUNTER:
         tickCounter = TickGet() + (TICK_SECOND);
         state = MONITORING;
      case MONITORING:
         if((long)(TickGet() - tickCounter) > 0)
         {
         output_high(PIN_B0);
         state=MONITORING;
         break;
           
         }else{
         
            state=UDP_PUT_FAIL;
            output_low(PIN_B0);
         }                 
      case UDP_PUT_FAIL:
         if((UDPIsPutReady(s1)>0))
         {  adcData=read_adc();
            state=TXD_PROCESS;
            output_high(PIN_B1);
         }
            else
            {  state=MONITORING;
               output_high(PIN_B0);
               break;
            }
      case TXD_PROCESS:
         
            UDPPut(adcData);
               
            UDPFlush();
            output_low(PIN_B1);
            state=SET_TICK_COUNTER;
            break;
         
      default:
         break; 
   }
   
}


void main()

   setup_adc(ADC_CLOCK_INTERNAL);
   setup_adc_ports(ALL_ANALOG);
   set_adc_channel(0);
   disable_interrupts(GLOBAL);
   set_tris_b(0x00);
   output_b(0xff);
   
   
   IPAddressInit();
   //TickInit();
   StackInit();
   output_low(PIN_B0);
   
   
   UDPInit();
   output_low(PIN_B1); 
 
   BOOL durum;
   
   do{
   s1=UDPOpen(NULL,"192.168.0.18",1453);
   durum=UDPIsOpened(s1);
   if(durum==FALSE)
      {  output_low(PIN_B2);
         StackTask();
      }else{
         output_high(PIN_B2);
      }
   }while(!durum);
   
   output_b(0x00);
   output_high(PIN_B7);
   
   while(TRUE)
   {

      // TCP/IP code
      StackTask();
      StackApplications();
     
      udpTask();
   }
      UDPClose(s1);//never will be executed

}






Then I thougt I had a mistake maybe and I wrote very simple code. It didn't also run.

Code:

#include <main.h>

int8 adcData=0;
BOOL durum=TRUE;
UDP_SOCKET s1;
int32 tickCounter;

void IPAddressInit(void)
{
   //MAC address of this unit
   MY_MAC_BYTE1=MY_DEFAULT_MAC_BYTE1;
   MY_MAC_BYTE2=MY_DEFAULT_MAC_BYTE2;
   MY_MAC_BYTE3=MY_DEFAULT_MAC_BYTE3;
   MY_MAC_BYTE4=MY_DEFAULT_MAC_BYTE4;
   MY_MAC_BYTE5=MY_DEFAULT_MAC_BYTE5;
   MY_MAC_BYTE6=MY_DEFAULT_MAC_BYTE6;

   //IP address of this unit
   MY_IP_BYTE1=MY_DEFAULT_IP_ADDR_BYTE1;
   MY_IP_BYTE2=MY_DEFAULT_IP_ADDR_BYTE2;
   MY_IP_BYTE3=MY_DEFAULT_IP_ADDR_BYTE3;
   MY_IP_BYTE4=MY_DEFAULT_IP_ADDR_BYTE4;

   //network gateway
   MY_GATE_BYTE1=MY_DEFAULT_GATE_BYTE1;
   MY_GATE_BYTE2=MY_DEFAULT_GATE_BYTE2;
   MY_GATE_BYTE3=MY_DEFAULT_GATE_BYTE3;
   MY_GATE_BYTE4=MY_DEFAULT_GATE_BYTE4;

   //subnet mask
   MY_MASK_BYTE1=MY_DEFAULT_MASK_BYTE1;
   MY_MASK_BYTE2=MY_DEFAULT_MASK_BYTE2;
   MY_MASK_BYTE3=MY_DEFAULT_MASK_BYTE3;
   MY_MASK_BYTE4=MY_DEFAULT_MASK_BYTE4;
}

void main()
{
   setup_adc_ports(AN0);
   setup_adc(ADC_CLOCK_INTERNAL|ADC_TAD_MUL_0);
   set_adc_channel(0);
   
   set_tris_b(0x00);
   output_b(0x00);

   IPAddressInit();
   TickInit();
   enable_interrupts(GLOBAL);
   StackInit();
   
   UDPInit();
   
   do{
   s1=UDPOpenEx("192.168.0.18",2,0,1453);
   //s1=UDPOpen(NULL,"192.168.0.18",1453);
   if(s1==INVALID_UDP_SOCKET)
      {output_high(PIN_B1);durum=FALSE;}
   }while(!durum);
   
   output_b(0x00);
   output_high(PIN_B0);
   
   
   while(TRUE)
   {

      // TCP/IP code
      StackTask();

      StackApplications();
     
      adcData=255;
     
      if((UDPIsPutReady(s1)>0))
        { 
            UDPPut(adcData);
            UDPFlush();   
         }
      }   
   
      //TODO: User Code
   }




At two situation machine gets an ip and response for any ping. But There were not any data at the server side.

Thanks.
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