pelion-example-common
Dependencies: ublox-at-cellular-interface ublox-cellular-base
Diff: main.cpp
- Revision:
- 7:230af466efc4
- Parent:
- 6:2fb5057c0e42
- Child:
- 10:4c2ed226f5a8
--- a/main.cpp Wed Feb 20 15:33:02 2019 +0000
+++ b/main.cpp Wed Mar 27 18:57:20 2019 +0000
@@ -30,35 +30,36 @@
#if COMPONENT_SD || COMPONENT_NUSD
// Use FATFileSystem for SD card type blockdevices
-FATFileSystem fs("fs", bd);
+FATFileSystem fs("fs");
#else
// Use LittleFileSystem for non-SD block devices to enable wear leveling and other functions
-LittleFileSystem fs("fs", bd);
+LittleFileSystem fs("fs");
#endif
-#if USE_BUTTON == 1
+// Default User button for GET example
InterruptIn button(BUTTON1);
-#endif /* USE_BUTTON */
-
// Default LED to use for PUT/POST example
-DigitalOut led(LED1);
+DigitalOut led(LED1, 0);
// Declaring pointers for access to Pelion Device Management Client resources outside of main()
-MbedCloudClientResource *button_res;
-MbedCloudClientResource *led_res;
-MbedCloudClientResource *post_res;
+MbedCloudClientResource *res_button;
+MbedCloudClientResource *res_led;
+MbedCloudClientResource *res_post;
// An event queue is a very useful structure to debounce information between contexts (e.g. ISR and normal threads)
// This is great because things such as network operations are illegal in ISR, so updating a resource in a button's fall() function is not allowed
EventQueue eventQueue;
+// When the device is registered, this variable will be used to access various useful information, like device ID etc.
+static const ConnectorClientEndpointInfo* endpointInfo;
+
/**
* PUT handler - sets the value of the built-in LED
* @param resource The resource that triggered the callback
* @param newValue Updated value for the resource
*/
void put_callback(MbedCloudClientResource *resource, m2m::String newValue) {
- printf("PUT received. New value: %s\n", newValue.c_str());
+ printf("*** PUT received, new value: %s \n", newValue.c_str());
led = atoi(newValue.c_str());
}
@@ -70,7 +71,7 @@
* @param size Size of the body
*/
void post_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) {
- printf("POST received (length %u). Payload: ", size);
+ printf("*** POST received (length %u). Payload: ", size);
for (size_t ix = 0; ix < size; ix++) {
printf("%02x ", buffer[ix]);
}
@@ -82,9 +83,9 @@
* This function will be triggered either by a physical button press or by a ticker every 5 seconds (see below)
*/
void button_press() {
- int v = button_res->get_value_int() + 1;
- button_res->set_value(v);
- printf("Button clicked %d times\n", v);
+ int v = res_button->get_value_int() + 1;
+ res_button->set_value(v);
+ printf("*** Button clicked %d times \n", v);
}
/**
@@ -93,7 +94,7 @@
* @param status The delivery status of the notification
*/
void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) {
- printf("Button notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status);
+ printf("*** Button notification, status %s (%d) \n", MbedCloudClientResource::delivery_status_to_string(status), status);
}
/**
@@ -102,15 +103,24 @@
*/
void registered(const ConnectorClientEndpointInfo *endpoint) {
printf("Registered to Pelion Device Management. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str());
+ endpointInfo = endpoint;
}
int main(void) {
printf("\nStarting Simple Pelion Device Management Client example\n");
-#if USE_BUTTON == 1
+ int storage_status = fs.mount(bd);
+ if (storage_status != 0) {
+ printf("Storage mounting failed.\n");
+ }
// If the User button is pressed ons start, then format storage.
- if (button.read() == MBED_CONF_APP_BUTTON_PRESSED_STATE) {
- printf("User button is pushed on start. Formatting the storage...\n");
+ bool btn_pressed = (button.read() == MBED_CONF_APP_BUTTON_PRESSED_STATE);
+ if (btn_pressed) {
+ printf("User button is pushed on start...\n");
+ }
+
+ if (storage_status || btn_pressed) {
+ printf("Formatting the storage...\n");
int storage_status = StorageHelper::format(&fs, bd);
if (storage_status != 0) {
printf("ERROR: Failed to reformat the storage (%d).\n", storage_status);
@@ -118,7 +128,6 @@
} else {
printf("You can hold the user button during boot to format the storage and change the device identity.\n");
}
-#endif /* USE_BUTTON */
// Connect to the Internet (DHCP is expected to be on)
printf("Connecting to the network using the default network interface...\n");
@@ -142,20 +151,20 @@
}
// Creating resources, which can be written or read from the cloud
- button_res = client.create_resource("3200/0/5501", "button_count");
- button_res->set_value(0);
- button_res->methods(M2MMethod::GET);
- button_res->observable(true);
- button_res->attach_notification_callback(button_callback);
+ res_button = client.create_resource("3200/0/5501", "Button Count");
+ res_button->set_value(0);
+ res_button->methods(M2MMethod::GET);
+ res_button->observable(true);
+ res_button->attach_notification_callback(button_callback);
- led_res = client.create_resource("3201/0/5853", "led_state");
- led_res->set_value(led.read());
- led_res->methods(M2MMethod::GET | M2MMethod::PUT);
- led_res->attach_put_callback(put_callback);
+ res_led = client.create_resource("3201/0/5853", "LED State");
+ res_led->set_value(led.read());
+ res_led->methods(M2MMethod::GET | M2MMethod::PUT);
+ res_led->attach_put_callback(put_callback);
- post_res = client.create_resource("3300/0/5605", "execute_function");
- post_res->methods(M2MMethod::POST);
- post_res->attach_post_callback(post_callback);
+ res_post = client.create_resource("3300/0/5605", "Execute Function");
+ res_post->methods(M2MMethod::POST);
+ res_post->attach_post_callback(post_callback);
printf("Initialized Pelion Device Management Client. Registering...\n");
@@ -165,16 +174,9 @@
// Register with Pelion DM
client.register_and_connect();
-#if USE_BUTTON == 1
// The button fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations
button.fall(eventQueue.event(&button_press));
printf("Press the user button to increment the LwM2M resource value...\n");
-#else
- // The timer fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations
- Ticker timer;
- timer.attach(eventQueue.event(&button_press), 5.0);
- printf("Simulating button press every 5 seconds...\n");
-#endif /* USE_BUTTON */
// You can easily run the eventQueue in a separate thread if required
eventQueue.dispatch_forever();