File content as of revision 3:6ea97936f6fa:

#include "radio.h"

#include "mbed.h"
#include "rtos.h"

#include <LPC17xx.h>

#define MESSAGE_BUFFER_SIZE 16

#define MANCHESTER_SPEED_OUT 250
    
#define INPUT_RADIO p18
#define OUTPUT_RADIO p6

radio_message_t out_messages[MESSAGE_BUFFER_SIZE];
byte out_message_in;
byte out_message_out;

radio_message_t in_messages[MESSAGE_BUFFER_SIZE];
byte in_message_in;
byte in_message_out;

InterruptIn input(INPUT_RADIO);

RtosTimer out_timer(radio_out, osTimerPeriodic, (void *)out_messages);

DigitalOut output(OUTPUT_RADIO);

DigitalOut in_debug_led(LED4);
DigitalOut out_debug_led(LED3);

// API functions
void init_radio_system()
{
   setup_radio_in();   
   setup_radio_out(); 
   output = 0;
}

// Private functions

void in_rise()
{
    in_debug_led = 1;   
}

void in_fall()
{
    in_debug_led = 0;
}

void setup_radio_in()
{
    in_debug_led = 0;
    
    input.rise(&in_rise);
    input.fall(&in_fall);   
}


void setup_radio_out()
{
    out_message_in = 0;
    out_message_out = 0;
        
    out_debug_led = 0;    
    
    //////////////////////////////////////////////////////
    // Creation d'un message et insertion dans le buffer
    radio_message_t* message = (out_messages + out_message_in);
    
    message->preambule = HEADER_DELIMITER;
    message->start = HEADER_START;
    message->options = HEADER_DELIMITER;
    message->length = 0x2;
    
    message->data[0] = 0xF0;
    message->data[1] = 0x0F;    
    
    // Ajouter calcul
    message->control = 0xFF;
    
    message->end = FOOTER_END;
    // On avance dans le buffer;
    out_message_in++;
    //////////////////////////////////////////////////////   
    
    out_timer.start(MANCHESTER_SPEED_OUT);       
}


void radio_out(void const *args)
{
    radio_message_t* message = (radio_message_t*)(out_messages + out_message_out);   
    
    #define OUTPUT_HIGH output = 1;
    #define OUTPUT_LOW output = 0;
    
    out_debug_led = !out_debug_led;
    output = !output;
}