test3.cpp

Sample program showing how to create a real application that connects to a real radio. This sample connects to /dev/ttyUSB0 at 9600 baud and sends a radio personality request every second. It prints out the details of the reply.

// test3.cpp
//
// Example program showing how to use the Map27 protoco stack with a real
// radio
//
// Author: Mike McCauley (mikem@airspayce.com)
// Copyright (C) 2013 Mike McCauley
// $Id: test.cpp,v 1.12 2013/07/14 07:15:46 mikem Exp mikem $

#include "Address.h"
#include "ApplicationLayer.h"
#include "PhysicalLayer.h"
#include "DataLayer.h"
#include "NetworkLayer.h"
#include "UnixPort.h"
#include "Log.h"

#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>

// The name of the device to use to connect to the radio
#define RADIO_DEVICE_NAME "/dev/ttyUSB0"
// The baud rate for the RS232 connection to the radio
#define RADIO_DEVICE_BAUD 9600

// To create a real applicaiotn, you should subclass Map27ApplicationLayer
// and override the funcitons you need to use
class MyApplication : public Map27ApplicationLayer
{
public:
    // This will be called when the RS232 link to the radio becomes ready
    void link_ready()
    {
        printf("link ready\n");
    }

    // This will be called when a RADIO PERSONALITY reply is received
    void receiveRadioPersonality(Map27Address& address, uint8_t manufacturers_code, uint8_t model, 
                     uint32_t serial, uint8_t facilities_a, uint8_t facilities_b, 
                     uint8_t facilities_c, uint8_t codings)
    {
        printf("receiveRadioPersonality:\n Address:%s\n Manufacturers Code: %d\n Model: %d\n Serial Number: %d\n Facilities A: %02x\n Facilities B: %02x\n Facilities C: %02x\n Codings: %02x\n", address.asString(), manufacturers_code, model, serial, facilities_a, facilities_b, facilities_c, codings);
    }
    // This will be called if the link fails
    void link_failure()
    {
        printf("link failure\n");
    }
};

int main(int argc, char** argv)
{
    Map27UnixPort port;
    Map27PhysicalLayer physical;
    Map27DataLayer data;
    Map27NetworkLayer network;
    MyApplication application;

    // Configure the RS232 port
    port.setDevice(RADIO_DEVICE_NAME);
    port.configure(RADIO_DEVICE_BAUD);

    // Connect the layers
    physical.setPort(&port);
    physical.setDataLayer(&data);
    data.setPhysicalLayer(&physical);
    data.setNetworkLayer(&network);
    network.setDataLayer(&data);
    network.setApplicationLayer(&application);
    application.setNetworkLayer(&network);

    // Power up
    application.power_on();
    time_t last_time = 0;
    // Main loop
    while (1)
    {
    application.poll();
    usleep(10000);
    // Every second, ask for radio personality
        // Reply wil be handled by receiveRadioPersonality() in your subclass
    time_t this_time = time(0);
    if (this_time != last_time)
    {
        network.sendRadioInterrogation(MAP27_NETWORK_MESSAGE_RADIO_INTERROGATION_PERSONALITY);
        last_time = this_time;
    }
    }
    return 0;
};