File content as of revision 1:fe18dd0ba172:

#include "mbed.h"

DigitalOut myled(LED1);

Ticker flipper;
Serial pc(USBTX, USBRX);

Serial xBee(p13, p14);
DigitalOut reset(p8);

const uint8_t START_DELEMITER = 0x7E;
const uint8_t FRAME_TYPE_AT_REQUEST = 0x17;
const uint8_t FRAME_ID = 0x01;
const uint8_t ZERO = 0x00;
const uint8_t APPLY_CHANGES = 0x02;
const uint8_t FF_CONST = 0xFF;
const char OPEN_LED[2] = {'D','1'};


bool atCommand = false;

const int TRANSMIT_REQUEST_DATA = 12;
uint8_t addresse_64_bit[8] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
uint8_t addresse_16_bit[2] = {0xFF,0xFE};

uint8_t pan_id[14]={0x7E, 0x00, 0x0A, 0x08, 0x01, 0x49, 0x44, 0x46, 0x46, 0x39, 0x39, 0x31, 0x31, 0x09};

void sendAtCommand(){
       pc.printf("trure");
       atCommand = true;
}

void sendAtCommandPaquet(const char* type){
    uint8_t length = 0xF;
    uint8_t paquet[25];
    uint8_t checkSum= 0x0;
    uint8_t LSBLength;
    uint8_t MSBLength;
       pc.printf("in");

    LSBLength = length&0xff;
    MSBLength = (length &0xff00) >> 8;
    
    paquet[0] = START_DELEMITER; //start
    paquet[1] = MSBLength; //length MSB
    paquet[2] = LSBLength; //length LSB
    paquet[3] = FRAME_TYPE_AT_REQUEST; //frame type
    paquet[4] = FRAME_ID; //frame id
    for(int i = 5; i < 13;i++) //64 bit addresse
    {
        paquet[i] = addresse_64_bit[i-5];
    }
    
    for(int i = 13; i < 15;i++) //16bit address
    {
        paquet[i] = addresse_16_bit[i-13];
    }
    
    paquet[15] = APPLY_CHANGES; //BroadCast Radius
    paquet[16] = type[0];
    paquet[17] = type[1];
    paquet[18] = 0x05;
       pc.printf("in2");
    
    //check sum
    
    for(int i = 3; i<length+3;i++)
    {
        checkSum += paquet[i];
    }
    
    checkSum = FF_CONST - checkSum;
     
    paquet[length+3] = checkSum;
     
     for(int i =0;i<length + 4;i++)
     {
        xBee.putc(paquet[i]);
        
    }

}

void receiveTransmitRequest(int length,uint8_t type){
    uint8_t data[100];
    data[0] = type;
    uint8_t origCheckSum;
    uint8_t checkSum = type;
    for (int i =1; i < length; i++)
    {
        data[i] = xBee.getc();
        checkSum += data[i];
    }
    
    checkSum = 0xFF - checkSum;
    origCheckSum = xBee.getc();
    
    if(origCheckSum == checkSum){
        for(int i = TRANSMIT_REQUEST_DATA; i <length;i++)
        {
            pc.printf("%x", data[i]);
        }
    }
    else{
        
    }
    
}


void receiveNewPaquet()
{
      int length;
    
    if(xBee.getc() == START_DELEMITER)
    {
        length = (((xBee.getc()) << 8));
        length +=(xBee.getc());
        uint8_t frame_type = xBee.getc();
        
        switch (frame_type){
         case 0x90: 
               receiveTransmitRequest(length, frame_type);
            
            
        }
        
    
     
        
    }  
}



int main() {
    flipper.attach (&sendAtCommand,1);
    reset =0;
    wait_ms(500);
    reset=1;
    wait(1);
    xBee.printf("+++");
    wait(1);
    
    //
//    for(int i =0;i <14;i++){
//        xBee.putc(pan_id[i]);   
//    }
    
    while(1) {

        if(xBee.readable()){
                receiveNewPaquet();
        }
        if (atCommand){
            atCommand = false;
            sendAtCommandPaquet(OPEN_LED);
        }    
            
            
    }
}