Interactive Device Design / Mbed 2 deprecated BLE_mediCAL

BLE project for PILLAR

Dependencies:   BLE_API mbed simpleBLEControl

Fork of BLE_API_DEMO by Ben Zhang

main.cpp@50:4c02add9abba, 2014-10-22 (annotated)

Committer:
nebgnahz
Date:
Wed Oct 22 17:08:57 2014 +0000
Revision:
50:4c02add9abba
Parent:
49:14b2df099dfc
Child:
51:0bf1116bca52
use random generated UUID from http://www.itu.int/ITU-T/asn1/uuid.html

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 0:87a7fc231fae 1 #include "mbed.h"
Rohit Grover 10:2436164b692e 2 #include "BLEDevice.h"
ktownsend 0:87a7fc231fae 3
Rohit Grover 10:2436164b692e 4 BLEDevice ble;
rgrover1 47:430545f41113 5 DigitalOut led1(LED1);
ktownsend 0:87a7fc231fae 6
nebgnahz 50:4c02add9abba 7 const uint8_t LED1_UUID[LENGTH_OF_LONG_UUID] = {
nebgnahz 50:4c02add9abba 8 0xfb, 0x71, 0xbc, 0xc0, 0x5a, 0x0c, 0x11, 0xe4,
nebgnahz 50:4c02add9abba 9 0x91, 0xae, 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b
nebgnahz 50:4c02add9abba 10 };
nebgnahz 50:4c02add9abba 11 const uint8_t BUTTON_UUID[LENGTH_OF_LONG_UUID] = {
nebgnahz 50:4c02add9abba 12 0x7a, 0x77, 0xbe, 0x20, 0x5a, 0x0d, 0x11, 0xe4,
nebgnahz 50:4c02add9abba 13 0xa9, 0x5e, 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b
nebgnahz 50:4c02add9abba 14 };
nebgnahz 50:4c02add9abba 15 const uint8_t TEST_SERVICE_UUID[LENGTH_OF_LONG_UUID] = {
nebgnahz 50:4c02add9abba 16 0xb0, 0xbb, 0x58, 0x20, 0x5a, 0x0d, 0x11, 0xe4,
nebgnahz 50:4c02add9abba 17 0x93, 0xee, 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b
nebgnahz 50:4c02add9abba 18 };
nebgnahz 50:4c02add9abba 19
nebgnahz 50:4c02add9abba 20 const static char DEVICE_NAME[] = "Nordic";
nebgnahz 48:908b4ec086ba 21 static volatile bool is_button_pressed = false;
nebgnahz 48:908b4ec086ba 22 static volatile uint16_t led1_handler;
nebgnahz 48:908b4ec086ba 23
nebgnahz 48:908b4ec086ba 24 uint8_t led_state, button_state;
Rohit Grover 36:ea2a1b4f51c1 25
rgrover1 41:9cef0129da5f 26 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
ktownsend 0:87a7fc231fae 27 {
rgrover1 46:ee7c55907f36 28 ble.startAdvertising(); // restart advertising
rgrover1 7:daab8ba5139e 29 }
Rohit Grover 3:24e2b056d229 30
nebgnahz 48:908b4ec086ba 31 void changeLED(const GattCharacteristicWriteCBParams *eventDataP) {
nebgnahz 49:14b2df099dfc 32 // eventDataP->charHandle is just uint16_t
nebgnahz 49:14b2df099dfc 33 // it's used to dispatch the callbacks
nebgnahz 48:908b4ec086ba 34 if (eventDataP->charHandle == led1_handler) {
nebgnahz 48:908b4ec086ba 35 led1 = eventDataP->data[0] % 2;
nebgnahz 48:908b4ec086ba 36 }
nebgnahz 48:908b4ec086ba 37 }
rgrover1 47:430545f41113 38
nebgnahz 48:908b4ec086ba 39 void button1Pressed() {
nebgnahz 48:908b4ec086ba 40 button_state = 1;
nebgnahz 48:908b4ec086ba 41 is_button_pressed = true;
nebgnahz 48:908b4ec086ba 42 }
nebgnahz 48:908b4ec086ba 43 void button2Pressed() {
nebgnahz 48:908b4ec086ba 44 button_state = 2;
nebgnahz 48:908b4ec086ba 45 is_button_pressed = true;
Rohit Grover 11:1d9aafee4984 46 }
Rohit Grover 11:1d9aafee4984 47
ktownsend 0:87a7fc231fae 48 int main(void)
ktownsend 0:87a7fc231fae 49 {
nebgnahz 48:908b4ec086ba 50 // button initialization
nebgnahz 48:908b4ec086ba 51 InterruptIn button1(BUTTON1);
nebgnahz 48:908b4ec086ba 52 InterruptIn button2(BUTTON2);
nebgnahz 48:908b4ec086ba 53 button1.mode(PullUp);
nebgnahz 48:908b4ec086ba 54 button2.mode(PullUp);
nebgnahz 48:908b4ec086ba 55 button1.rise(&button1Pressed);
nebgnahz 48:908b4ec086ba 56 button2.rise(&button2Pressed);
nebgnahz 48:908b4ec086ba 57 led1 = 0;
ktownsend 0:87a7fc231fae 58
nebgnahz 48:908b4ec086ba 59 // just a simple service example
nebgnahz 48:908b4ec086ba 60 // o led1 characteristics, you can write from the phone to control led1
nebgnahz 48:908b4ec086ba 61 // o button characteristics, you can read and get notified
nebgnahz 48:908b4ec086ba 62 GattCharacteristic led1_characteristics(
nebgnahz 50:4c02add9abba 63 LED1_UUID, &led_state, sizeof(led_state), sizeof(led_state),
nebgnahz 48:908b4ec086ba 64 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ |
nebgnahz 48:908b4ec086ba 65 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE);
nebgnahz 48:908b4ec086ba 66 led1_handler = led1_characteristics.getValueAttribute().getHandle();
rgrover1 45:98c5a34b07a4 67
nebgnahz 48:908b4ec086ba 68 GattCharacteristic button_characteristics(
nebgnahz 50:4c02add9abba 69 BUTTON_UUID, &button_state, sizeof(button_state), sizeof(button_state),
nebgnahz 48:908b4ec086ba 70 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ |
nebgnahz 48:908b4ec086ba 71 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
nebgnahz 48:908b4ec086ba 72
nebgnahz 50:4c02add9abba 73 const uint8_t TEST_SERVICE_UUID[LENGTH_OF_LONG_UUID] = {
nebgnahz 50:4c02add9abba 74 0xb0, 0xbb, 0x58, 0x20, 0x5a, 0x0d, 0x11, 0xe4,
nebgnahz 50:4c02add9abba 75 0x93, 0xee, 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b};
nebgnahz 48:908b4ec086ba 76 GattCharacteristic *charTable[] = {&led1_characteristics, &button_characteristics};
nebgnahz 50:4c02add9abba 77 GattService testService(TEST_SERVICE_UUID, charTable,
nebgnahz 49:14b2df099dfc 78 sizeof(charTable) / sizeof(GattCharacteristic *));
nebgnahz 50:4c02add9abba 79
nebgnahz 48:908b4ec086ba 80 // BLE setup, mainly we add service and callbacks
nebgnahz 48:908b4ec086ba 81 ble.init();
nebgnahz 48:908b4ec086ba 82 ble.addService(testService);
nebgnahz 48:908b4ec086ba 83 ble.onDataWritten(&changeLED);
nebgnahz 48:908b4ec086ba 84 ble.onDisconnection(disconnectionCallback);
nebgnahz 48:908b4ec086ba 85
nebgnahz 48:908b4ec086ba 86 // setup advertising
nebgnahz 49:14b2df099dfc 87 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED |
nebgnahz 50:4c02add9abba 88 GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
nebgnahz 49:14b2df099dfc 89 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
nebgnahz 49:14b2df099dfc 90 (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
rgrover1 7:daab8ba5139e 91 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
rgrover1 40:e73130c6f2bb 92 ble.setAdvertisingInterval(1600); /* 1000ms; in multiples of 0.625ms. */
rgrover1 7:daab8ba5139e 93 ble.startAdvertising();
Rohit Grover 3:24e2b056d229 94
Rohit Grover 11:1d9aafee4984 95 while (true) {
nebgnahz 48:908b4ec086ba 96 if (is_button_pressed) {
nebgnahz 49:14b2df099dfc 97 // if button pressed, we update the characteristics
nebgnahz 48:908b4ec086ba 98 is_button_pressed = false;
nebgnahz 48:908b4ec086ba 99 ble.updateCharacteristicValue(button_characteristics.getValueAttribute().getHandle(),
nebgnahz 48:908b4ec086ba 100 &button_state, sizeof(button_state));
Rohit Grover 36:ea2a1b4f51c1 101 } else {
Rohit Grover 36:ea2a1b4f51c1 102 ble.waitForEvent();
Rohit Grover 36:ea2a1b4f51c1 103 }
ktownsend 0:87a7fc231fae 104 }
nebgnahz 50:4c02add9abba 105 }