File content as of revision 4:714484401021:

#include "mbed.h"
#include "rtos.h"
#include "XBeeLib.h"
#include "SDFileSystem.h"
#include "wave_player.h"
 
using namespace XBeeLib;

SDFileSystem sd(p5, p6, p7, p8, "sd"); // MOSI, MISO, SCLK, SSEL
PwmOut speaker1(p21);
PwmOut speaker2(p22);
PwmOut speaker3(p23);
PwmOut speaker4(p24);
PwmOut speaker5(p25);
PwmOut speaker6(p26);
//wave_player player(&DACout);
Serial pc(USBTX, USBRX);
osThreadId threadIDC5;
osThreadId threadIDG5;

bool capt_1;
bool capt_2;
bool capt_3;
bool capt_4;
bool capt_5;
bool capt_6;
 
/** Callback function, invoked at packet reception */
static void receive_cb(const RemoteXBeeZB& remote, bool broadcast, const uint8_t *const data, uint16_t len)
{
    const uint64_t remote_addr64 = remote.get_addr64();
 
    pc.printf("\r\nGot packet, len %d\r\nData: ", len);
 
    for (int i = 0; i < len; i++)
    {
        pc.printf("%02x ", data[i]);
    }
        
    capt_1 = (data[0] & 0b10000000);
    capt_2 = (data[0] & 0b01000000);
    capt_3 = (data[0] & 0b00100000);
    capt_4 = (data[0] & 0b00010000);
    capt_5 = (data[0] & 0b00001000);
    capt_6 = (data[0] & 0b00000100);
    
    pc.printf("\r\n%i ", capt_1);
    pc.printf("%i ", capt_2);
    pc.printf("%i ", capt_3);
    pc.printf("%i ", capt_4);
    pc.printf("%i ", capt_5);
    pc.printf("%i ", capt_6);

    pc.printf("\r\n");
    
    if(capt_1){
        speaker1=0.50f;
    } else {
        speaker1=0.0f;
    }
    if(capt_2){
        speaker2=0.50f;
    } else {
        speaker2=0.0f;
    }
    if(capt_3){
        speaker3=0.50f;
    } else {
        speaker3=0.0f;
    }
}

void playFile(const char* name)
{
    /*
    FILE *fp = fopen(name, "r");
    if(fp == NULL) {
        pc.printf("Could not open file for read\r\n");
    }
    else {
        player.play(fp);
    }
    fclose(fp);
    */
}

void playC5(void const* args)
{
    threadIDC5 = osThreadGetId();
    while(1){
        osSignalWait(0x1, osWaitForever);
        pc.printf("Wait done C5");
        //playFile("/sd/Synth/C5.wav");        
        speaker2=0.50f;  // 50% duty cycle 
        //speaker2=1.0;
        wait(2);
        speaker2=0.0; // turn off audio
        wait(2);
    }
}

void playG5(void const* args)
{
    threadIDG5 = osThreadGetId();

    while(1){
        osSignalWait(0x2, osWaitForever);
        pc.printf("Wait done G5");
        //wait(1);
        //playFile("/sd/Synth/A5.wav");
        speaker1=0.50f;  // 50% duty cycle 
        //speaker1=1.0;
        wait(3);
        speaker1=0.0; // turn off audio
        wait(1);
    }
}

int main()
{
    speaker3.period(1.0/2349.32); // 440hz period D3
    speaker2.period(1.0/440.0); // 440hz period A3
    speaker1.period(1.0/293.66); // 293.66hz period D
    //speaker2.pulsewidth(2);  
    //speaker1.pulsewidth(1); 
    //Thread C5(playC5);
    //C5.set_priority(osPriorityHigh);
    //Thread G5(playG5);
    //G5.set_priority(osPriorityHigh);

    XBeeZB xbee = XBeeZB(p13, p14, p8, NC, NC, 9600);

    /* Register callbacks */
    xbee.register_receive_cb(&receive_cb);

    RadioStatus const radioStatus = xbee.init();

    MBED_ASSERT(radioStatus == Success);
 
    /* Wait until the device has joined the network */
    pc.printf("Waiting for device to join the network: ");
    while (!xbee.is_joined()) {
        wait_ms(1000);
    }
    pc.printf("OK\r\n");
 
    while (true) {
        xbee.process_rx_frames();
        wait_ms(2000);
    }
}