Diff: source/main.cpp

Revision:

35:4b11d20d60e9

Child:

38:fbbab77b54fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main.cpp	Fri Dec 02 15:46:04 2016 +0800
@@ -0,0 +1,93 @@
+#include "mbed.h"
+#include "security.h"
+#include "easy-connect.h"
+#include "simple-mbed-client.h"
+
+EventQueue eventQueue(32 * EVENTS_EVENT_SIZE);  // Event queue!
+
+SimpleMbedClient client;
+
+// Declare peripherals
+DigitalOut connectivityLed(LED2); // Blinks while connecting, turns solid when connected
+DigitalOut augmentedLed(LED1, BUILTIN_LED_OFF);  // LED that can be controlled through Connector
+InterruptIn btn(MBED_CONF_APP_BUTTON); // Button that sends it's count to Connector
+
+Ticker connectivityTicker;
+
+// Callback function when the pattern resource is updated
+void patternUpdated(string v) {
+    printf("New pattern: %s\n", v.c_str());
+}
+
+// Define resources here. They act as normal variables, but are exposed to the internet...
+SimpleResourceInt btn_count = client.define_resource("button/0/clicks", 0, M2MBase::GET_ALLOWED);
+SimpleResourceString pattern = client.define_resource("led/0/pattern", "500:500:500:500:500:500:500", &patternUpdated);
+
+void fall() {
+    btn_count = btn_count + 1;
+    printf("Button count is now %d\r\n", static_cast<int>(btn_count));
+}
+
+void toggleConnectivityLed() {
+    connectivityLed = !connectivityLed;
+}
+
+void registered() {
+    printf("Registered\r\n");
+
+    connectivityTicker.detach();
+    connectivityLed = BUILTIN_LED_ON;
+}
+
+void play(void* args) {
+    connectivityLed = BUILTIN_LED_OFF;
+
+    // Parse the pattern string, and toggle the LED in that pattern
+    stringstream ss(pattern);
+    string item;
+    while(getline(ss, item, ':')) {
+        wait_ms(atoi((const char*)item.c_str()));
+        augmentedLed = !augmentedLed;
+    }
+
+    augmentedLed = BUILTIN_LED_OFF;
+    connectivityLed = BUILTIN_LED_ON;
+}
+
+int main() {
+    // Run a separate Thread to process events in
+    rtos::Thread et;
+    et.start(callback(&eventQueue, &EventQueue::dispatch_forever));
+
+    // Handle interrupts on the eventQueue - so we don't do things in interrupt context
+    btn.fall(eventQueue.event(&fall));
+
+    // Toggle the built-in LED every second (until we're connected, see `registered` function)
+    connectivityTicker.attach(eventQueue.event(toggleConnectivityLed), 1.0f);
+
+    // Keep alive ticker (every 25 seconds)
+    eventQueue.call_every(25000, callback(&client, &SimpleMbedClient::keep_alive));
+
+    // Functions can be executed through mbed Device Connector via POST calls
+    client.define_function("led/0/play", &play);
+
+    // Connect to the internet (see mbed_app.json for the connectivity method)
+    NetworkInterface* network = easy_connect(true);
+    if (!network) {
+        return 1;
+    }
+
+    // Connect to mbed Device Connector
+    struct MbedClientOptions opts = client.get_default_options();
+    opts.ServerAddress = MBED_SERVER_ADDRESS;
+
+    bool setup = client.setup(opts, network);
+    if (!setup) {
+        printf("Client setup failed\n");
+        return 1;
+    }
+
+    client.on_registered(&registered);
+
+    while (1) {}
+}