int main() {
if (devaddr == 0x0) {
printf("Set your LoRaWAN credentials first!\n");
return -1;
}
printf("Press BUTTON1 to send the current value of the temperature sensor!\n");
if (lorawan.initialize(&ev_queue) != LORAWAN_STATUS_OK) {
printf("LoRa initialization failed!\n");
return -1;
}
// Enable trace output for this demo, so we can see what the LoRaWAN stack does
mbed_trace_init();
// Fire a message when the button is pressed
btn.fall(ev_queue.event(&send_message));
// prepare application callbacks
callbacks.events = mbed::callback(lora_event_handler);
lorawan.add_app_callbacks(&callbacks);
// Disable adaptive data rating
if (lorawan.disable_adaptive_datarate() != LORAWAN_STATUS_OK) {
printf("disable_adaptive_datarate failed!\n");
return -1;
}
lorawan.set_datarate(5); // SF7BW125
lorawan_connect_t connect_params;
connect_params.connect_type = LORAWAN_CONNECTION_ABP;
connect_params.connection_u.abp.nwk_id = net_id;
connect_params.connection_u.abp.dev_addr = devaddr;
connect_params.connection_u.abp.nwk_skey = nwk_s_key;
connect_params.connection_u.abp.app_skey = app_s_key;
lorawan_status_t retcode = lorawan.connect(connect_params);
if (retcode == LORAWAN_STATUS_OK ||
retcode == LORAWAN_STATUS_CONNECT_IN_PROGRESS) {
} else {
printf("Connection error, code = %d\n", retcode);
return -1;
}
printf("Connection - In Progress ...\r\n");
// make your event queue dispatching events forever
ev_queue.dispatch_forever();
return 0;
}
void app_start(int, char**) {
srand(time(NULL));
mbed_trace_init();
tr_info("Application start");
tr_info("Set I2C frequency");
i2c.frequency(400000);
tr_info("Initialize user interface module");
oled = new Adafruit_SSD1306_I2c(i2c, YOTTA_CFG_HARDWARE_PINS_D2);
mcp_keys = new MCP23008(i2c);
for(uint8_t i = 0; i < 4; ++i) {
mcp_keys->setup(i, MCP23008::IN);
mcp_keys->pullup(i, true);
}
tr_info("Initialize state object");
state = new State(i2c);
tr_info("First screen out");
state->startup_phase = State::STARTUP_CONF;
scr = new SplashScreen(*oled, *state);
scr->render();
tr_info("Load config");
state->config.load();
state->startup_phase = State::STARTUP_NM;
scr->render();
tr_info("Start NetworkManager");
wait_ms(100);
nm = new NetworkManager(PIN_ESP_TX, PIN_ESP_RX, 9600);
state->nm = nm;
state->startup_phase = State::STARTUP_FIN;
scr->render();
tr_info("Start ultrasonic measuring");
ultrasonic.start_measure();
tr_info("Hook up routine functions");
minar::Scheduler::postCallback(leave_splash).delay(minar::milliseconds(500));
minar::Scheduler::postCallback(poll_key).period(minar::milliseconds(50));
minar::Scheduler::postCallback(screen_render).period(minar::milliseconds(100));
minar::Scheduler::postCallback(read_distance).period(minar::milliseconds(300));
tr_info("Start process completed");
}
// Entry point to the program
int main() {
unsigned int seed;
size_t len;
#ifdef MBEDTLS_ENTROPY_HARDWARE_ALT
// Used to randomize source port
mbedtls_hardware_poll(NULL, (unsigned char *) &seed, sizeof seed, &len);
#elif defined MBEDTLS_TEST_NULL_ENTROPY
#warning "mbedTLS security feature is disabled. Connection will not be secure !! Implement proper hardware entropy for your selected hardware."
// Used to randomize source port
mbedtls_null_entropy_poll( NULL,(unsigned char *) &seed, sizeof seed, &len);
#else
#error "This hardware does not have entropy, endpoint will not register to Connector.\
You need to enable NULL ENTROPY for your application, but if this configuration change is made then no security is offered by mbed TLS.\
Add MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES and MBEDTLS_TEST_NULL_ENTROPY in mbed_app.json macros to register your endpoint."
#endif
srand(seed);
red_led = LED_OFF;
blue_led = LED_OFF;
status_ticker.attach_us(blinky, 250000);
// Keep track of the main thread
mainThread = osThreadGetId();
printf("\nStarting mbed Client example in ");
#if defined (MESH) || (MBED_CONF_LWIP_IPV6_ENABLED==true)
printf("IPv6 mode\n");
#else
printf("IPv4 mode\n");
#endif
mbed_trace_init();
NetworkInterface* network = easy_connect(true);
if(network == NULL) {
printf("\nConnection to Network Failed - exiting application...\n");
return -1;
}
// we create our button and LED resources
ButtonResource button_resource;
LedResource led_resource;
BigPayloadResource big_payload_resource;
#ifdef TARGET_K64F
// On press of SW3 button on K64F board, example application
// will call unregister API towards mbed Device Connector
//unreg_button.fall(&mbed_client,&MbedClient::test_unregister);
unreg_button.fall(&unregister);
// Observation Button (SW2) press will send update of endpoint resource values to connector
obs_button.fall(&button_clicked);
#else
// Send update of endpoint resource values to connector every 15 seconds periodically
timer.attach(&button_clicked, 15.0);
#endif
// Create endpoint interface to manage register and unregister
mbed_client.create_interface(MBED_SERVER_ADDRESS, network);
// Create Objects of varying types, see simpleclient.h for more details on implementation.
M2MSecurity* register_object = mbed_client.create_register_object(); // server object specifying connector info
M2MDevice* device_object = mbed_client.create_device_object(); // device resources object
// Create list of Objects to register
M2MObjectList object_list;
// Add objects to list
object_list.push_back(device_object);
object_list.push_back(button_resource.get_object());
object_list.push_back(led_resource.get_object());
object_list.push_back(big_payload_resource.get_object());
// Set endpoint registration object
mbed_client.set_register_object(register_object);
// Register with mbed Device Connector
mbed_client.test_register(register_object, object_list);
registered = true;
while (true) {
updates.wait(25000);
if(registered) {
if(!clicked) {
mbed_client.test_update_register();
}
}else {
break;
}
if(clicked) {
clicked = false;
button_resource.handle_button_click();
}
}
mbed_client.test_unregister();
status_ticker.detach();
}