Cortex Challenge Team / Nucleo_BLE_DemoApp

Simple bluetooth low energy service, featuring three characteristics - two sliders and one button

Dependents:   Nucleo_BLE_Demo

DemoAppService.h@0:866f2c528c01, 2015-05-10 (annotated)

Committer:
berlingeradam
Date:
Sun May 10 15:41:38 2015 +0000
Revision:
0:866f2c528c01
Child:
1:fd7adeffebbe
Initial commit - 2 sliders 1 button

Who changed what in which revision?

UserRevisionLine numberNew contents of line
berlingeradam 0:866f2c528c01 1 #ifndef __BLE_DEMOAPP_SERVICE_H__
berlingeradam 0:866f2c528c01 2 #define __BLE_DEMOAPP_SERVICE_H__
berlingeradam 0:866f2c528c01 3
berlingeradam 0:866f2c528c01 4 #include "Stream.h"
berlingeradam 0:866f2c528c01 5
berlingeradam 0:866f2c528c01 6 #include "UUID.h"
berlingeradam 0:866f2c528c01 7 #include "BLEDevice.h"
berlingeradam 0:866f2c528c01 8 #include "Utils.h"
berlingeradam 0:866f2c528c01 9
berlingeradam 0:866f2c528c01 10 class DemoAppService {
berlingeradam 0:866f2c528c01 11 public:
berlingeradam 0:866f2c528c01 12 static const uint8_t ServiceUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 13 static const uint8_t slider1CharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 14 static const uint8_t slider2CharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 15 static const uint8_t buttonCharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 16 protected:
berlingeradam 0:866f2c528c01 17 BLEDevice &ble;
berlingeradam 0:866f2c528c01 18
berlingeradam 0:866f2c528c01 19 GattCharacteristic slider1Characteristic;
berlingeradam 0:866f2c528c01 20 GattCharacteristic slider2Characteristic;
berlingeradam 0:866f2c528c01 21 GattCharacteristic buttonCharacteristic;
berlingeradam 0:866f2c528c01 22
berlingeradam 0:866f2c528c01 23 uint16_t lastButtonPressed;
berlingeradam 0:866f2c528c01 24 uint16_t slider1Value;
berlingeradam 0:866f2c528c01 25 uint16_t slider2Value;
berlingeradam 0:866f2c528c01 26 public:
berlingeradam 0:866f2c528c01 27 DemoAppService(BLEDevice &_ble) :
berlingeradam 0:866f2c528c01 28 ble(_ble),
berlingeradam 0:866f2c528c01 29 slider1Characteristic(slider1CharacteristicUUID, (uint8_t*)&slider1Value, 1, 2,
berlingeradam 0:866f2c528c01 30 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
berlingeradam 0:866f2c528c01 31 slider2Characteristic(slider2CharacteristicUUID, (uint8_t*)&slider2Value, 1, 2,
berlingeradam 0:866f2c528c01 32 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
berlingeradam 0:866f2c528c01 33 buttonCharacteristic(buttonCharacteristicUUID, (uint8_t*)&lastButtonPressed, 1, 2,
berlingeradam 0:866f2c528c01 34 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE){
berlingeradam 0:866f2c528c01 35
berlingeradam 0:866f2c528c01 36 GattCharacteristic *charTable[] = {&slider1Characteristic, &slider2Characteristic, &buttonCharacteristic};
berlingeradam 0:866f2c528c01 37 GattService demoService(ServiceUUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
berlingeradam 0:866f2c528c01 38
berlingeradam 0:866f2c528c01 39 ble.addService(demoService);
berlingeradam 0:866f2c528c01 40 ble.onDataWritten(this, &DemoAppService::onDataWritten);
berlingeradam 0:866f2c528c01 41 }
berlingeradam 0:866f2c528c01 42
berlingeradam 0:866f2c528c01 43 virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
berlingeradam 0:866f2c528c01 44 DEBUG("Demo service onWrite\n\r");
berlingeradam 0:866f2c528c01 45 if (params->charHandle == slider1Characteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 46 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 47 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 48 memcpy(&slider1Value, params->data, 2);
berlingeradam 0:866f2c528c01 49 DEBUG("Slider1: %d\n\r", slider1Value);
berlingeradam 0:866f2c528c01 50 }
berlingeradam 0:866f2c528c01 51 }
berlingeradam 0:866f2c528c01 52 else if (params->charHandle == slider2Characteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 53 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 54 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 55 memcpy(&slider2Value, params->data, 2);
berlingeradam 0:866f2c528c01 56 DEBUG("Slider2: %d\n\r", slider2Value);
berlingeradam 0:866f2c528c01 57 }
berlingeradam 0:866f2c528c01 58 }
berlingeradam 0:866f2c528c01 59 else if (params->charHandle == buttonCharacteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 60 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 61 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 62 memcpy(&lastButtonPressed, params->data, 2);
berlingeradam 0:866f2c528c01 63 }
berlingeradam 0:866f2c528c01 64 }
berlingeradam 0:866f2c528c01 65 }
berlingeradam 0:866f2c528c01 66
berlingeradam 0:866f2c528c01 67 uint16_t getSlider1Value()const{return slider1Value;}
berlingeradam 0:866f2c528c01 68 uint16_t getSlider2Value()const{return slider2Value;}
berlingeradam 0:866f2c528c01 69 };
berlingeradam 0:866f2c528c01 70
berlingeradam 0:866f2c528c01 71 #endif