int main() {
// Create IP connection
IPConnection ipcon;
ipcon_create(&ipcon);
// Create device object
Joystick js;
joystick_create(&js, 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
// Register callbacks for pressed and released events
joystick_register_callback(&js,
JOYSTICK_CALLBACK_PRESSED,
(void *)cb_pressed,
NULL);
joystick_register_callback(&js,
JOYSTICK_CALLBACK_RELEASED,
(void *)cb_released,
NULL);
printf("Press key to exit\n");
getchar();
ipcon_destroy(&ipcon); // Calls ipcon_disconnect internally
}
int main(void) {
// Create IP connection
IPConnection ipcon;
ipcon_create(&ipcon);
// Create device object
Joystick j;
joystick_create(&j, UID, &ipcon);
// Connect to brickd
if(ipcon_connect(&ipcon, HOST, PORT) < 0) {
fprintf(stderr, "Could not connect\n");
return 1;
}
// Don't use device before ipcon is connected
// Get current position
int16_t x, y;
if(joystick_get_position(&j, &x, &y) < 0) {
fprintf(stderr, "Could not get position, probably timeout\n");
return 1;
}
printf("Position[X]: %d\n", x);
printf("Position[Y]: %d\n", y);
printf("Press key to exit\n");
getchar();
joystick_destroy(&j);
ipcon_destroy(&ipcon); // Calls ipcon_disconnect internally
return 0;
}
