sandbox / Mbed OS simple-mbed-client-example

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Dependencies:   simple-mbed-client

Fork of simple-mbed-client-example by Jan Jongboom

main.cpp@34:1e8d914a2876, 2016-12-02 (annotated)

Committer:
Jan Jongboom
Date:
Fri Dec 02 15:44:32 2016 +0800
Revision:
34:1e8d914a2876
Parent:
29:dd6231df71bb 
Move to mbed OS 5.2.3, get rid of Semaphore

Who changed what in which revision?

UserRevisionLine numberNew contents of line
geky 4:dcd0494556be 1 #include "mbed.h"
Jan Jongboom 17:6d69aa1b393f 2 #include "security.h"
Jan Jongboom 17:6d69aa1b393f 3 #include "easy-connect.h"
Jan Jongboom 17:6d69aa1b393f 4 #include "simple-mbed-client.h"
geky 4:dcd0494556be 5
Jan Jongboom 34:1e8d914a2876 6 EventQueue eventQueue(32 * EVENTS_EVENT_SIZE); // Event queue!
Jan Jongboom 34:1e8d914a2876 7
janjongboom 13:d4da5e6aa952 8 SimpleMbedClient client;
geky 4:dcd0494556be 9
Jan Jongboom 34:1e8d914a2876 10 // Declare peripherals
Jan Jongboom 34:1e8d914a2876 11 DigitalOut connectivityLed(LED2); // Blinks while connecting, turns solid when connected
Jan Jongboom 34:1e8d914a2876 12 DigitalOut augmentedLed(LED1, BUILTIN_LED_OFF); // LED that can be controlled through Connector
Jan Jongboom 34:1e8d914a2876 13 InterruptIn btn(MBED_CONF_APP_BUTTON); // Button that sends it's count to Connector
janjongboom 14:ddc258abaaac 14
Jan Jongboom 34:1e8d914a2876 15 Ticker connectivityTicker;
Jan Jongboom 34:1e8d914a2876 16
Jan Jongboom 34:1e8d914a2876 17 // Callback function when the pattern resource is updated
Jan Jongboom 17:6d69aa1b393f 18 void patternUpdated(string v) {
Jan Jongboom 17:6d69aa1b393f 19 printf("New pattern: %s\n", v.c_str());
janjongboom 13:d4da5e6aa952 20 }
geky 4:dcd0494556be 21
Jan Jongboom 34:1e8d914a2876 22 // Define resources here. They act as normal variables, but are exposed to the internet...
Jan Jongboom 17:6d69aa1b393f 23 SimpleResourceInt btn_count = client.define_resource("button/0/clicks", 0, M2MBase::GET_ALLOWED);
Jan Jongboom 17:6d69aa1b393f 24 SimpleResourceString pattern = client.define_resource("led/0/pattern", "500:500:500:500:500:500:500", &patternUpdated);
geky 4:dcd0494556be 25
janjongboom 13:d4da5e6aa952 26 void fall() {
Jan Jongboom 34:1e8d914a2876 27 btn_count = btn_count + 1;
Jan Jongboom 34:1e8d914a2876 28 printf("Button count is now %d\r\n", static_cast<int>(btn_count));
janjongboom 13:d4da5e6aa952 29 }
janjongboom 13:d4da5e6aa952 30
Jan Jongboom 34:1e8d914a2876 31 void toggleConnectivityLed() {
Jan Jongboom 34:1e8d914a2876 32 connectivityLed = !connectivityLed;
geky 4:dcd0494556be 33 }
geky 4:dcd0494556be 34
Jan Jongboom 17:6d69aa1b393f 35 void registered() {
Jan Jongboom 34:1e8d914a2876 36 printf("Registered\r\n");
Jan Jongboom 34:1e8d914a2876 37
Jan Jongboom 34:1e8d914a2876 38 connectivityTicker.detach();
Jan Jongboom 34:1e8d914a2876 39 connectivityLed = BUILTIN_LED_ON;
Jan Jongboom 17:6d69aa1b393f 40 }
Jan Jongboom 17:6d69aa1b393f 41
Jan Jongboom 17:6d69aa1b393f 42 void play(void* args) {
Jan Jongboom 34:1e8d914a2876 43 connectivityLed = BUILTIN_LED_OFF;
Jan Jongboom 34:1e8d914a2876 44
Jan Jongboom 34:1e8d914a2876 45 // Parse the pattern string, and toggle the LED in that pattern
Jan Jongboom 17:6d69aa1b393f 46 stringstream ss(pattern);
Jan Jongboom 17:6d69aa1b393f 47 string item;
Jan Jongboom 17:6d69aa1b393f 48 while(getline(ss, item, ':')) {
Jan Jongboom 17:6d69aa1b393f 49 wait_ms(atoi((const char*)item.c_str()));
Jan Jongboom 34:1e8d914a2876 50 augmentedLed = !augmentedLed;
Jan Jongboom 17:6d69aa1b393f 51 }
Jan Jongboom 34:1e8d914a2876 52
Jan Jongboom 34:1e8d914a2876 53 augmentedLed = BUILTIN_LED_OFF;
Jan Jongboom 34:1e8d914a2876 54 connectivityLed = BUILTIN_LED_ON;
Jan Jongboom 17:6d69aa1b393f 55 }
Jan Jongboom 17:6d69aa1b393f 56
geky 4:dcd0494556be 57 int main() {
Jan Jongboom 34:1e8d914a2876 58 // Run a separate Thread to process events in
Jan Jongboom 34:1e8d914a2876 59 rtos::Thread et;
Jan Jongboom 34:1e8d914a2876 60 et.start(callback(&eventQueue, &EventQueue::dispatch_forever));
Jan Jongboom 16:71ec73ea9b6d 61
Jan Jongboom 34:1e8d914a2876 62 // Handle interrupts on the eventQueue - so we don't do things in interrupt context
Jan Jongboom 34:1e8d914a2876 63 btn.fall(eventQueue.event(&fall));
Jan Jongboom 17:6d69aa1b393f 64
Jan Jongboom 34:1e8d914a2876 65 // Toggle the built-in LED every second (until we're connected, see `registered` function)
Jan Jongboom 34:1e8d914a2876 66 connectivityTicker.attach(eventQueue.event(toggleConnectivityLed), 1.0f);
Jan Jongboom 16:71ec73ea9b6d 67
Jan Jongboom 34:1e8d914a2876 68 // Keep alive ticker (every 25 seconds)
Jan Jongboom 34:1e8d914a2876 69 eventQueue.call_every(25000, callback(&client, &SimpleMbedClient::keep_alive));
Jan Jongboom 34:1e8d914a2876 70
Jan Jongboom 34:1e8d914a2876 71 // Functions can be executed through mbed Device Connector via POST calls
Jan Jongboom 17:6d69aa1b393f 72 client.define_function("led/0/play", &play);
Jan Jongboom 16:71ec73ea9b6d 73
Jan Jongboom 34:1e8d914a2876 74 // Connect to the internet (see mbed_app.json for the connectivity method)
Jan Jongboom 23:16f397924e3d 75 NetworkInterface* network = easy_connect(true);
Jan Jongboom 17:6d69aa1b393f 76 if (!network) {
Jan Jongboom 16:71ec73ea9b6d 77 return 1;
Jan Jongboom 16:71ec73ea9b6d 78 }
geky 4:dcd0494556be 79
Jan Jongboom 34:1e8d914a2876 80 // Connect to mbed Device Connector
Jan Jongboom 23:16f397924e3d 81 struct MbedClientOptions opts = client.get_default_options();
Jan Jongboom 23:16f397924e3d 82 opts.ServerAddress = MBED_SERVER_ADDRESS;
Jan Jongboom 34:1e8d914a2876 83
Jan Jongboom 23:16f397924e3d 84 bool setup = client.setup(opts, network);
janjongboom 13:d4da5e6aa952 85 if (!setup) {
Jan Jongboom 17:6d69aa1b393f 86 printf("Client setup failed\n");
Jan Jongboom 16:71ec73ea9b6d 87 return 1;
geky 4:dcd0494556be 88 }
janjongboom 14:ddc258abaaac 89
janjongboom 13:d4da5e6aa952 90 client.on_registered(&registered);
Jan Jongboom 16:71ec73ea9b6d 91
Jan Jongboom 34:1e8d914a2876 92 while (1) {}
geky 4:dcd0494556be 93 }