main.c

/*
 ============================================================================
 Name        : main.c
 Author      : 
 Version     :
 Copyright   : Your copyright notice
 Description : Hello World in C, Ansi-style
 ============================================================================
 */

#include <stdio.h>
#include <stdlib.h>
#include "bluetoothController.h"

int main(int argc, char **argv)
{
    struct sockaddr_rc locAddr = { 0 }, remAddr = { 0 };
    char buf[1024] = { 0 };
    int sRec, sSend, client, bytesRead, status;
    socklen_t opt = sizeof(remAddr);
    double receivedData[1024] = {0.0};

    struct sockaddr_rc destAddr = {0};
    char dest[18] = "50:9E:A7:77:0C:2A";       //address of pi

    // allocate sockets
    sRec = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
    sSend = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);


    // bind socket to port 1 of the first available
    // local bluetooth adapter
    locAddr.rc_family = AF_BLUETOOTH;
    locAddr.rc_bdaddr = *BDADDR_ANY;
    locAddr.rc_channel = (uint8_t)1;
    bind(sRec, (struct sockaddr *)&locAddr, sizeof(locAddr));

    // put socket into listening mode
    listen(sRec, 1);

    // accept one connection
    client = accept(sRec, (struct sockaddr *)&remAddr, &opt);

    ba2str(&remAddr.rc_bdaddr, buf);
    fprintf(stderr, "accepted connection from %s\n", buf);
    memset(buf, 0, sizeof(buf));



    destAddr.rc_family = AF_BLUETOOTH;
    destAddr.rc_channel = (uint8_t)1;
    str2ba(dest, &destAddr.rc_bdaddr);

    status = connect(sSend, (struct sockaddr *)&destAddr, sizeof(destAddr));

    double send[1] = {3.1456789654123554};

    for(;;){

        bytesRead = read(client, receivedData, sizeof(receivedData));
        if( bytesRead > 0 ) {
            for(uint8_t i=0; i<bytesRead/8; i++){
                printf("received [%f]\t", receivedData[i]);
            }
            printf("\n");
        }
        scanf("%lf", send);

        write(sSend, send, sizeof(send));
    }

    // close connection
    close(client);
    close(sRec);
    close(sSend);
    return 0;
}