#include <stdio.h>

#include "ip_connection.h"
#include "bricklet_temperature.h"

#define HOST "localhost"
#define PORT 4223
#define UID "XYZ" // Change to your UID

// Callback function for temperature callback
// (parameter has unit °C/100)
void cb_temperature(int16_t temperature, void *user_data) {
    (void)user_data; // avoid unused parameter warning

    printf("Temperature: %f °C.\n", temperature/100.0);
}

int main() {
    // Create IP connection
    IPConnection ipcon;
    ipcon_create(&ipcon);

    // Create device object
    Temperature t;
    temperature_create(&t, UID, &ipcon); 

    // Connect to brickd
    if(ipcon_connect(&ipcon, HOST, PORT) < 0) {
        fprintf(stderr, "Could not connect\n");
        exit(1);
    }
    // Don't use device before ipcon is connected

    // Set Period for temperature callback to 1s (1000ms)
    // Note: The callback is only called every second if the 
    //       temperature has changed since the last call!
    temperature_set_temperature_callback_period(&t, 1000);

    // Register temperature callback to function cb_temperature
    temperature_register_callback(&t,
                                  TEMPERATURE_CALLBACK_TEMPERATURE, 
                                  (void *)cb_temperature,
                                  NULL);

    printf("Press key to exit\n");
    getchar();
    ipcon_destroy(&ipcon); // Calls ipcon_disconnect internally
}