Example program for simple-mbed-client, connecting a device to mbed Device Connector.
Dependencies: C12832 FXOS8700Q simple-mbed-client
Fork of simple-mbed-client-example by
source/main.cpp@45:cc5199df4b43, 2017-04-16 (annotated)
- Committer:
- MACRUM
- Date:
- Sun Apr 16 01:53:48 2017 +0000
- Revision:
- 45:cc5199df4b43
- Parent:
- 44:5a1db9f98f5f
Use event API for sensor instead of thread
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" |
MACRUM | 44:5a1db9f98f5f | 5 | #include "C12832.h" |
MACRUM | 44:5a1db9f98f5f | 6 | #include "FXOS8700Q.h" |
Jan Jongboom |
35:4b11d20d60e9 | 7 | |
MACRUM | 45:cc5199df4b43 | 8 | Serial pc(USBTX, USBRX); |
MACRUM | 44:5a1db9f98f5f | 9 | C12832 lcd(D11, D13, D12, D7, D10); |
MACRUM | 44:5a1db9f98f5f | 10 | I2C i2c(PTE25, PTE24); |
MACRUM | 44:5a1db9f98f5f | 11 | FXOS8700QAccelerometer acc(i2c, FXOS8700CQ_SLAVE_ADDR1); |
MACRUM | 44:5a1db9f98f5f | 12 | FXOS8700QMagnetometer mag(i2c, FXOS8700CQ_SLAVE_ADDR1); |
MACRUM | 44:5a1db9f98f5f | 13 | |
Jan Jongboom |
35:4b11d20d60e9 | 14 | SimpleMbedClient client; |
Jan Jongboom |
35:4b11d20d60e9 | 15 | |
MACRUM | 45:cc5199df4b43 | 16 | // Declare peripherals |
MACRUM | 45:cc5199df4b43 | 17 | DigitalOut connectivityLed(LED2); // Blinks while connecting, turns solid when connected |
MACRUM | 45:cc5199df4b43 | 18 | DigitalOut augmentedLed(LED1, BUILTIN_LED_OFF); // LED that can be controlled through Connector |
MACRUM | 45:cc5199df4b43 | 19 | InterruptIn btn(MBED_CONF_APP_BUTTON); // Button that sends it's count to Connector |
Jan Jongboom |
35:4b11d20d60e9 | 20 | |
MACRUM | 45:cc5199df4b43 | 21 | Ticker connectivityTicker; |
MACRUM | 45:cc5199df4b43 | 22 | Ticker readAccelTicker; |
MACRUM | 45:cc5199df4b43 | 23 | |
MACRUM | 45:cc5199df4b43 | 24 | // Callback function when the pattern resource is updated |
MACRUM | 45:cc5199df4b43 | 25 | void patternUpdated(string v) |
MACRUM | 45:cc5199df4b43 | 26 | { |
MACRUM | 45:cc5199df4b43 | 27 | pc.printf("New pattern: %s\n", v.c_str()); |
Jan Jongboom |
35:4b11d20d60e9 | 28 | } |
Jan Jongboom |
35:4b11d20d60e9 | 29 | |
MACRUM | 45:cc5199df4b43 | 30 | void lcdTextUpdated(string v) |
MACRUM | 45:cc5199df4b43 | 31 | { |
MACRUM | 44:5a1db9f98f5f | 32 | if (v.length() > 30) { |
MACRUM | 44:5a1db9f98f5f | 33 | v.erase(v.begin() + 30, v.end()); |
MACRUM | 44:5a1db9f98f5f | 34 | } |
MACRUM | 45:cc5199df4b43 | 35 | pc.printf("New text is %s\r\n", v.c_str()); |
MACRUM | 44:5a1db9f98f5f | 36 | |
MACRUM | 44:5a1db9f98f5f | 37 | lcd.cls(); |
MACRUM | 44:5a1db9f98f5f | 38 | lcd.locate(0, 3); |
MACRUM | 44:5a1db9f98f5f | 39 | lcd.printf(v.c_str()); |
MACRUM | 44:5a1db9f98f5f | 40 | } |
MACRUM | 44:5a1db9f98f5f | 41 | |
MACRUM | 45:cc5199df4b43 | 42 | // Define resources here. They act as normal variables, but are exposed to the internet... |
Jan Jongboom |
35:4b11d20d60e9 | 43 | SimpleResourceInt btn_count = client.define_resource("button/0/clicks", 0, M2MBase::GET_ALLOWED); |
Jan Jongboom |
35:4b11d20d60e9 | 44 | SimpleResourceString pattern = client.define_resource("led/0/pattern", "500:500:500:500:500:500:500", &patternUpdated); |
MACRUM | 44:5a1db9f98f5f | 45 | SimpleResourceString lcd_text = client.define_resource("lcd/0/text", |
MACRUM | 45:cc5199df4b43 | 46 | "Hello from the cloud", M2MBase::GET_PUT_ALLOWED, true, &lcdTextUpdated); |
Jan Jongboom |
35:4b11d20d60e9 | 47 | |
MACRUM | 44:5a1db9f98f5f | 48 | SimpleResourceInt aX = client.define_resource("accel/0/x", 0, M2MBase::GET_ALLOWED); |
MACRUM | 44:5a1db9f98f5f | 49 | SimpleResourceInt aY = client.define_resource("accel/0/y", 0, M2MBase::GET_ALLOWED); |
MACRUM | 44:5a1db9f98f5f | 50 | SimpleResourceInt aZ = client.define_resource("accel/0/z", 0, M2MBase::GET_ALLOWED); |
Jan Jongboom |
35:4b11d20d60e9 | 51 | |
MACRUM | 45:cc5199df4b43 | 52 | void readAccel() |
MACRUM | 45:cc5199df4b43 | 53 | { |
MACRUM | 44:5a1db9f98f5f | 54 | motion_data_counts_t acc_data; |
Jan Jongboom |
38:fbbab77b54fb | 55 | |
MACRUM | 45:cc5199df4b43 | 56 | acc.getAxis(acc_data); |
MACRUM | 45:cc5199df4b43 | 57 | aX = acc_data.x; |
MACRUM | 45:cc5199df4b43 | 58 | aY = acc_data.y; |
MACRUM | 45:cc5199df4b43 | 59 | aZ = acc_data.z; |
MACRUM | 45:cc5199df4b43 | 60 | |
MACRUM | 45:cc5199df4b43 | 61 | pc.printf("ACC: X=%d Y=%d Z=%d\r\n", acc_data.x, acc_data.y, acc_data.z); |
MACRUM | 45:cc5199df4b43 | 62 | } |
Jan Jongboom |
38:fbbab77b54fb | 63 | |
MACRUM | 45:cc5199df4b43 | 64 | void fall() |
MACRUM | 45:cc5199df4b43 | 65 | { |
MACRUM | 45:cc5199df4b43 | 66 | btn_count = btn_count + 1; |
MACRUM | 45:cc5199df4b43 | 67 | pc.printf("Button count is now %d\r\n", static_cast<int>(btn_count)); |
MACRUM | 45:cc5199df4b43 | 68 | } |
MACRUM | 44:5a1db9f98f5f | 69 | |
MACRUM | 45:cc5199df4b43 | 70 | void toggleConnectivityLed() |
MACRUM | 45:cc5199df4b43 | 71 | { |
MACRUM | 45:cc5199df4b43 | 72 | connectivityLed = !connectivityLed; |
MACRUM | 45:cc5199df4b43 | 73 | } |
MACRUM | 45:cc5199df4b43 | 74 | |
MACRUM | 45:cc5199df4b43 | 75 | void registered() |
MACRUM | 45:cc5199df4b43 | 76 | { |
MACRUM | 45:cc5199df4b43 | 77 | pc.printf("Registered\r\n"); |
MACRUM | 45:cc5199df4b43 | 78 | |
MACRUM | 45:cc5199df4b43 | 79 | connectivityTicker.detach(); |
MACRUM | 45:cc5199df4b43 | 80 | connectivityLed = BUILTIN_LED_ON; |
Jan Jongboom |
35:4b11d20d60e9 | 81 | } |
Jan Jongboom |
35:4b11d20d60e9 | 82 | |
MACRUM | 45:cc5199df4b43 | 83 | void play(void* args) |
MACRUM | 45:cc5199df4b43 | 84 | { |
MACRUM | 45:cc5199df4b43 | 85 | connectivityLed = BUILTIN_LED_OFF; |
Jan Jongboom |
35:4b11d20d60e9 | 86 | |
MACRUM | 45:cc5199df4b43 | 87 | // Parse the pattern string, and toggle the LED in that pattern |
MACRUM | 45:cc5199df4b43 | 88 | string s = static_cast<string>(pattern); |
MACRUM | 45:cc5199df4b43 | 89 | size_t i = 0; |
MACRUM | 45:cc5199df4b43 | 90 | size_t pos = s.find(':'); |
MACRUM | 45:cc5199df4b43 | 91 | while (pos != string::npos) { |
MACRUM | 45:cc5199df4b43 | 92 | wait_ms(atoi(s.substr(i, pos - i).c_str())); |
MACRUM | 45:cc5199df4b43 | 93 | augmentedLed = !augmentedLed; |
MACRUM | 45:cc5199df4b43 | 94 | |
MACRUM | 45:cc5199df4b43 | 95 | i = ++pos; |
MACRUM | 45:cc5199df4b43 | 96 | pos = s.find(':', pos); |
MACRUM | 45:cc5199df4b43 | 97 | |
MACRUM | 45:cc5199df4b43 | 98 | if (pos == string::npos) { |
MACRUM | 45:cc5199df4b43 | 99 | wait_ms(atoi(s.substr(i, s.length()).c_str())); |
MACRUM | 45:cc5199df4b43 | 100 | augmentedLed = !augmentedLed; |
MACRUM | 45:cc5199df4b43 | 101 | } |
MACRUM | 45:cc5199df4b43 | 102 | } |
Jan Jongboom |
35:4b11d20d60e9 | 103 | |
MACRUM | 45:cc5199df4b43 | 104 | augmentedLed = BUILTIN_LED_OFF; |
MACRUM | 45:cc5199df4b43 | 105 | connectivityLed = BUILTIN_LED_ON; |
MACRUM | 45:cc5199df4b43 | 106 | } |
MACRUM | 45:cc5199df4b43 | 107 | |
MACRUM | 45:cc5199df4b43 | 108 | int main() |
MACRUM | 45:cc5199df4b43 | 109 | { |
MACRUM | 45:cc5199df4b43 | 110 | pc.baud(115200); |
MACRUM | 45:cc5199df4b43 | 111 | lcdTextUpdated(static_cast<string>(lcd_text).c_str()); |
MACRUM | 45:cc5199df4b43 | 112 | acc.enable(); |
MACRUM | 45:cc5199df4b43 | 113 | |
MACRUM | 45:cc5199df4b43 | 114 | // SimpleClient gives us an event queue which we can use, running on a separate thread (see https://docs.mbed.com/docs/mbed-os-handbook/en/5.1/concepts/events/) |
MACRUM | 45:cc5199df4b43 | 115 | EventQueue* eventQueue = client.eventQueue(); |
Jan Jongboom |
35:4b11d20d60e9 | 116 | |
MACRUM | 45:cc5199df4b43 | 117 | // Handle interrupts on the eventQueue - so we don't do things in interrupt context |
MACRUM | 45:cc5199df4b43 | 118 | btn.fall(eventQueue->event(&fall)); |
MACRUM | 45:cc5199df4b43 | 119 | |
MACRUM | 45:cc5199df4b43 | 120 | // Toggle the built-in LED every second (until we're connected, see `registered` function) |
MACRUM | 45:cc5199df4b43 | 121 | connectivityTicker.attach(eventQueue->event(&toggleConnectivityLed), 1.0f); |
Jan Jongboom |
35:4b11d20d60e9 | 122 | |
MACRUM | 45:cc5199df4b43 | 123 | readAccelTicker.attach(eventQueue->event(&readAccel), 1.0f); |
MACRUM | 44:5a1db9f98f5f | 124 | |
MACRUM | 45:cc5199df4b43 | 125 | // Functions can be executed through mbed Device Connector via POST calls (also defer to the event thread, so we never block) |
MACRUM | 45:cc5199df4b43 | 126 | client.define_function("led/0/play", eventQueue->event(&play)); |
MACRUM | 45:cc5199df4b43 | 127 | |
MACRUM | 45:cc5199df4b43 | 128 | // Connect to the internet (see mbed_app.json for the connectivity method) |
Jan Jongboom |
35:4b11d20d60e9 | 129 | NetworkInterface* network = easy_connect(true); |
Jan Jongboom |
35:4b11d20d60e9 | 130 | if (!network) { |
Jan Jongboom |
35:4b11d20d60e9 | 131 | return 1; |
Jan Jongboom |
35:4b11d20d60e9 | 132 | } |
Jan Jongboom |
35:4b11d20d60e9 | 133 | |
MACRUM | 45:cc5199df4b43 | 134 | // Connect to mbed Device Connector |
MACRUM | 45:cc5199df4b43 | 135 | struct MbedClientOptions opts = client.get_default_options(); // opts contains information like the DeviceType |
Jan Jongboom |
35:4b11d20d60e9 | 136 | bool setup = client.setup(opts, network); |
Jan Jongboom |
35:4b11d20d60e9 | 137 | if (!setup) { |
MACRUM | 45:cc5199df4b43 | 138 | pc.printf("Client setup failed\n"); |
Jan Jongboom |
35:4b11d20d60e9 | 139 | return 1; |
Jan Jongboom |
35:4b11d20d60e9 | 140 | } |
Jan Jongboom |
35:4b11d20d60e9 | 141 | client.on_registered(®istered); |
Jan Jongboom |
35:4b11d20d60e9 | 142 | } |