Test program for CROC ObCP ENSMM
Dependencies: mbed SimpleBLE X_NUCLEO_IDB0XA1
Fork of ObCP_ENSMM_Test by
main.cpp@2:12a235e7691a, 2016-05-17 (annotated)
- Committer:
- janjongboom
- Date:
- Tue May 17 19:34:03 2016 +0000
- Revision:
- 2:12a235e7691a
- Parent:
- 0:ba1c49874d3c
- Child:
- 3:e439dd384d7e
Switch from generics to macros for declaring variables, so we can whitelist types
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
janjongboom | 0:ba1c49874d3c | 1 | #include "mbed.h" |
janjongboom | 0:ba1c49874d3c | 2 | #include "SimpleBLE.h" |
janjongboom | 0:ba1c49874d3c | 3 | |
janjongboom | 2:12a235e7691a | 4 | DigitalOut led(LED1); |
janjongboom | 2:12a235e7691a | 5 | |
janjongboom | 0:ba1c49874d3c | 6 | // The first thing we need to do is create a SimpleBLE instance: |
janjongboom | 0:ba1c49874d3c | 7 | // * first argument is the device name |
janjongboom | 0:ba1c49874d3c | 8 | // * second is the advertisement interval in ms. (default 1000 ms.) |
janjongboom | 2:12a235e7691a | 9 | SimpleBLE ble("DEVICE_NAME"); |
janjongboom | 0:ba1c49874d3c | 10 | |
janjongboom | 0:ba1c49874d3c | 11 | // Now we can declare some variables that we want to expose. |
janjongboom | 0:ba1c49874d3c | 12 | // After you created the variable you can use it like any other var, |
janjongboom | 0:ba1c49874d3c | 13 | // but it's value will be automatically updated over Bluetooth! |
janjongboom | 0:ba1c49874d3c | 14 | |
janjongboom | 0:ba1c49874d3c | 15 | // F.e. here we declare service 0x180d (heartrate), char 0x2a37 (curr. value) as uint8_t |
janjongboom | 2:12a235e7691a | 16 | SimpleChar<uint8_t> heartrate = ble.readOnly_u8(0x180D, 0x2A37, true /* notify */, 100 /* default value */); |
janjongboom | 0:ba1c49874d3c | 17 | |
janjongboom | 0:ba1c49874d3c | 18 | // now we can use this variable everywhere in our code like a normal uint8_t |
janjongboom | 0:ba1c49874d3c | 19 | void updateHeartrate() { |
janjongboom | 2:12a235e7691a | 20 | led = !led; // keep-alive LED |
janjongboom | 0:ba1c49874d3c | 21 | // we just loop between 100 and 180 |
janjongboom | 0:ba1c49874d3c | 22 | heartrate = heartrate + 1; |
janjongboom | 0:ba1c49874d3c | 23 | if (heartrate > 180) { |
janjongboom | 0:ba1c49874d3c | 24 | heartrate = 100; |
janjongboom | 0:ba1c49874d3c | 25 | } |
janjongboom | 0:ba1c49874d3c | 26 | } |
janjongboom | 0:ba1c49874d3c | 27 | |
janjongboom | 0:ba1c49874d3c | 28 | // And here we create a custom service (0x9310) and char (0x9311) with a callback |
janjongboom | 0:ba1c49874d3c | 29 | void callback(uint32_t newValue) { |
janjongboom | 0:ba1c49874d3c | 30 | // whenever someone updates this var over Bluetooth, this function will be called |
janjongboom | 0:ba1c49874d3c | 31 | printf("My value was updated to %d\n", newValue); |
janjongboom | 0:ba1c49874d3c | 32 | } |
janjongboom | 0:ba1c49874d3c | 33 | // FYI, you can also use UUIDs here instead of short services :-) |
janjongboom | 2:12a235e7691a | 34 | SimpleChar<uint32_t> writeMe = ble.readWrite_u32(0x9310, 0x9311, &callback); |
janjongboom | 0:ba1c49874d3c | 35 | |
janjongboom | 0:ba1c49874d3c | 36 | int main(int, char**) { |
janjongboom | 0:ba1c49874d3c | 37 | // update the heart rate every second |
janjongboom | 0:ba1c49874d3c | 38 | Ticker t; |
janjongboom | 0:ba1c49874d3c | 39 | t.attach(updateHeartrate, 1.0f); |
janjongboom | 0:ba1c49874d3c | 40 | |
janjongboom | 0:ba1c49874d3c | 41 | // here's how we kick off our loop |
janjongboom | 0:ba1c49874d3c | 42 | ble.start(); |
janjongboom | 0:ba1c49874d3c | 43 | while (1) { |
janjongboom | 0:ba1c49874d3c | 44 | ble.waitForEvent(); |
janjongboom | 0:ba1c49874d3c | 45 | } |
janjongboom | 0:ba1c49874d3c | 46 | |
janjongboom | 0:ba1c49874d3c | 47 | } |