mbed client example for mbed connect asia 2016
Dependencies: simple-mbed-client
Fork of simple-mbed-client-example by
source/main.cpp@35:4b11d20d60e9, 2016-12-02 (annotated)
- Committer:
- Jan Jongboom
- Date:
- Fri Dec 02 15:46:04 2016 +0800
- Revision:
- 35:4b11d20d60e9
- Child:
- 36:5971ce0b1ea4
Move main.cpp into source directory
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Jan Jongboom |
35:4b11d20d60e9 | 1 | #include "mbed.h" |
Jan Jongboom |
35:4b11d20d60e9 | 2 | #include "security.h" |
Jan Jongboom |
35:4b11d20d60e9 | 3 | #include "easy-connect.h" |
Jan Jongboom |
35:4b11d20d60e9 | 4 | #include "simple-mbed-client.h" |
Jan Jongboom |
35:4b11d20d60e9 | 5 | |
Jan Jongboom |
35:4b11d20d60e9 | 6 | EventQueue eventQueue(32 * EVENTS_EVENT_SIZE); // Event queue! |
Jan Jongboom |
35:4b11d20d60e9 | 7 | |
Jan Jongboom |
35:4b11d20d60e9 | 8 | SimpleMbedClient client; |
Jan Jongboom |
35:4b11d20d60e9 | 9 | |
Jan Jongboom |
35:4b11d20d60e9 | 10 | // Declare peripherals |
Jan Jongboom |
35:4b11d20d60e9 | 11 | DigitalOut connectivityLed(LED2); // Blinks while connecting, turns solid when connected |
Jan Jongboom |
35:4b11d20d60e9 | 12 | DigitalOut augmentedLed(LED1, BUILTIN_LED_OFF); // LED that can be controlled through Connector |
Jan Jongboom |
35:4b11d20d60e9 | 13 | InterruptIn btn(MBED_CONF_APP_BUTTON); // Button that sends it's count to Connector |
Jan Jongboom |
35:4b11d20d60e9 | 14 | |
Jan Jongboom |
35:4b11d20d60e9 | 15 | Ticker connectivityTicker; |
Jan Jongboom |
35:4b11d20d60e9 | 16 | |
Jan Jongboom |
35:4b11d20d60e9 | 17 | // Callback function when the pattern resource is updated |
Jan Jongboom |
35:4b11d20d60e9 | 18 | void patternUpdated(string v) { |
Jan Jongboom |
35:4b11d20d60e9 | 19 | printf("New pattern: %s\n", v.c_str()); |
Jan Jongboom |
35:4b11d20d60e9 | 20 | } |
Jan Jongboom |
35:4b11d20d60e9 | 21 | |
Jan Jongboom |
35:4b11d20d60e9 | 22 | // Define resources here. They act as normal variables, but are exposed to the internet... |
Jan Jongboom |
35:4b11d20d60e9 | 23 | SimpleResourceInt btn_count = client.define_resource("button/0/clicks", 0, M2MBase::GET_ALLOWED); |
Jan Jongboom |
35:4b11d20d60e9 | 24 | SimpleResourceString pattern = client.define_resource("led/0/pattern", "500:500:500:500:500:500:500", &patternUpdated); |
Jan Jongboom |
35:4b11d20d60e9 | 25 | |
Jan Jongboom |
35:4b11d20d60e9 | 26 | void fall() { |
Jan Jongboom |
35:4b11d20d60e9 | 27 | btn_count = btn_count + 1; |
Jan Jongboom |
35:4b11d20d60e9 | 28 | printf("Button count is now %d\r\n", static_cast<int>(btn_count)); |
Jan Jongboom |
35:4b11d20d60e9 | 29 | } |
Jan Jongboom |
35:4b11d20d60e9 | 30 | |
Jan Jongboom |
35:4b11d20d60e9 | 31 | void toggleConnectivityLed() { |
Jan Jongboom |
35:4b11d20d60e9 | 32 | connectivityLed = !connectivityLed; |
Jan Jongboom |
35:4b11d20d60e9 | 33 | } |
Jan Jongboom |
35:4b11d20d60e9 | 34 | |
Jan Jongboom |
35:4b11d20d60e9 | 35 | void registered() { |
Jan Jongboom |
35:4b11d20d60e9 | 36 | printf("Registered\r\n"); |
Jan Jongboom |
35:4b11d20d60e9 | 37 | |
Jan Jongboom |
35:4b11d20d60e9 | 38 | connectivityTicker.detach(); |
Jan Jongboom |
35:4b11d20d60e9 | 39 | connectivityLed = BUILTIN_LED_ON; |
Jan Jongboom |
35:4b11d20d60e9 | 40 | } |
Jan Jongboom |
35:4b11d20d60e9 | 41 | |
Jan Jongboom |
35:4b11d20d60e9 | 42 | void play(void* args) { |
Jan Jongboom |
35:4b11d20d60e9 | 43 | connectivityLed = BUILTIN_LED_OFF; |
Jan Jongboom |
35:4b11d20d60e9 | 44 | |
Jan Jongboom |
35:4b11d20d60e9 | 45 | // Parse the pattern string, and toggle the LED in that pattern |
Jan Jongboom |
35:4b11d20d60e9 | 46 | stringstream ss(pattern); |
Jan Jongboom |
35:4b11d20d60e9 | 47 | string item; |
Jan Jongboom |
35:4b11d20d60e9 | 48 | while(getline(ss, item, ':')) { |
Jan Jongboom |
35:4b11d20d60e9 | 49 | wait_ms(atoi((const char*)item.c_str())); |
Jan Jongboom |
35:4b11d20d60e9 | 50 | augmentedLed = !augmentedLed; |
Jan Jongboom |
35:4b11d20d60e9 | 51 | } |
Jan Jongboom |
35:4b11d20d60e9 | 52 | |
Jan Jongboom |
35:4b11d20d60e9 | 53 | augmentedLed = BUILTIN_LED_OFF; |
Jan Jongboom |
35:4b11d20d60e9 | 54 | connectivityLed = BUILTIN_LED_ON; |
Jan Jongboom |
35:4b11d20d60e9 | 55 | } |
Jan Jongboom |
35:4b11d20d60e9 | 56 | |
Jan Jongboom |
35:4b11d20d60e9 | 57 | int main() { |
Jan Jongboom |
35:4b11d20d60e9 | 58 | // Run a separate Thread to process events in |
Jan Jongboom |
35:4b11d20d60e9 | 59 | rtos::Thread et; |
Jan Jongboom |
35:4b11d20d60e9 | 60 | et.start(callback(&eventQueue, &EventQueue::dispatch_forever)); |
Jan Jongboom |
35:4b11d20d60e9 | 61 | |
Jan Jongboom |
35:4b11d20d60e9 | 62 | // Handle interrupts on the eventQueue - so we don't do things in interrupt context |
Jan Jongboom |
35:4b11d20d60e9 | 63 | btn.fall(eventQueue.event(&fall)); |
Jan Jongboom |
35:4b11d20d60e9 | 64 | |
Jan Jongboom |
35:4b11d20d60e9 | 65 | // Toggle the built-in LED every second (until we're connected, see `registered` function) |
Jan Jongboom |
35:4b11d20d60e9 | 66 | connectivityTicker.attach(eventQueue.event(toggleConnectivityLed), 1.0f); |
Jan Jongboom |
35:4b11d20d60e9 | 67 | |
Jan Jongboom |
35:4b11d20d60e9 | 68 | // Keep alive ticker (every 25 seconds) |
Jan Jongboom |
35:4b11d20d60e9 | 69 | eventQueue.call_every(25000, callback(&client, &SimpleMbedClient::keep_alive)); |
Jan Jongboom |
35:4b11d20d60e9 | 70 | |
Jan Jongboom |
35:4b11d20d60e9 | 71 | // Functions can be executed through mbed Device Connector via POST calls |
Jan Jongboom |
35:4b11d20d60e9 | 72 | client.define_function("led/0/play", &play); |
Jan Jongboom |
35:4b11d20d60e9 | 73 | |
Jan Jongboom |
35:4b11d20d60e9 | 74 | // Connect to the internet (see mbed_app.json for the connectivity method) |
Jan Jongboom |
35:4b11d20d60e9 | 75 | NetworkInterface* network = easy_connect(true); |
Jan Jongboom |
35:4b11d20d60e9 | 76 | if (!network) { |
Jan Jongboom |
35:4b11d20d60e9 | 77 | return 1; |
Jan Jongboom |
35:4b11d20d60e9 | 78 | } |
Jan Jongboom |
35:4b11d20d60e9 | 79 | |
Jan Jongboom |
35:4b11d20d60e9 | 80 | // Connect to mbed Device Connector |
Jan Jongboom |
35:4b11d20d60e9 | 81 | struct MbedClientOptions opts = client.get_default_options(); |
Jan Jongboom |
35:4b11d20d60e9 | 82 | opts.ServerAddress = MBED_SERVER_ADDRESS; |
Jan Jongboom |
35:4b11d20d60e9 | 83 | |
Jan Jongboom |
35:4b11d20d60e9 | 84 | bool setup = client.setup(opts, network); |
Jan Jongboom |
35:4b11d20d60e9 | 85 | if (!setup) { |
Jan Jongboom |
35:4b11d20d60e9 | 86 | printf("Client setup failed\n"); |
Jan Jongboom |
35:4b11d20d60e9 | 87 | return 1; |
Jan Jongboom |
35:4b11d20d60e9 | 88 | } |
Jan Jongboom |
35:4b11d20d60e9 | 89 | |
Jan Jongboom |
35:4b11d20d60e9 | 90 | client.on_registered(®istered); |
Jan Jongboom |
35:4b11d20d60e9 | 91 | |
Jan Jongboom |
35:4b11d20d60e9 | 92 | while (1) {} |
Jan Jongboom |
35:4b11d20d60e9 | 93 | } |