wanjun chen / Nucleo_BLE_DemoApp

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Fork of Nucleo_BLE_DemoApp by Cortex Challenge Team

DemoAppService.h@3:b1f65162c95b, 2016-10-29 (annotated)

Committer:
16038618
Date:
Sat Oct 29 14:16:34 2016 +0000
Revision:
3:b1f65162c95b
Parent:
2:510cac0a0250 
IOTIO

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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 1:fd7adeffebbe 10 typedef void (*DemoAppCallback)(uint8_t event);
berlingeradam 1:fd7adeffebbe 11
berlingeradam 0:866f2c528c01 12 class DemoAppService {
berlingeradam 0:866f2c528c01 13 public:
berlingeradam 1:fd7adeffebbe 14 static const uint8_t EVENT_SLIDER1_CHANGED = 0x01;
berlingeradam 1:fd7adeffebbe 15 static const uint8_t EVENT_SLIDER2_CHANGED = 0x02;
berlingeradam 1:fd7adeffebbe 16 static const uint8_t EVENT_BUTTON_CHANGED = 0x04;
berlingeradam 1:fd7adeffebbe 17
berlingeradam 0:866f2c528c01 18 static const uint8_t ServiceUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 19 static const uint8_t slider1CharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 20 static const uint8_t slider2CharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 21 static const uint8_t buttonCharacteristicUUID[LENGTH_OF_LONG_UUID];
berlingeradam 0:866f2c528c01 22 protected:
berlingeradam 0:866f2c528c01 23 BLEDevice &ble;
16038618 3:b1f65162c95b 24 GattCharacteristic humiditychar;
16038618 3:b1f65162c95b 25 GattCharacteristic temperaturechar;
16038618 3:b1f65162c95b 26 GattCharacteristic winddirectionchar;
16038618 3:b1f65162c95b 27 GattCharacteristic pressurechar;
berlingeradam 1:fd7adeffebbe 28 DemoAppCallback eventCallback;
berlingeradam 0:866f2c528c01 29 GattCharacteristic slider1Characteristic;
berlingeradam 0:866f2c528c01 30 GattCharacteristic slider2Characteristic;
berlingeradam 0:866f2c528c01 31 GattCharacteristic buttonCharacteristic;
berlingeradam 0:866f2c528c01 32
berlingeradam 0:866f2c528c01 33 uint16_t lastButtonPressed;
berlingeradam 0:866f2c528c01 34 uint16_t slider1Value;
berlingeradam 0:866f2c528c01 35 uint16_t slider2Value;
berlingeradam 0:866f2c528c01 36 public:
16038618 3:b1f65162c95b 37 DemoAppService(BLEDevice &_ble, uint16_t humidity, int16_t temperature, uint16_t winddirection, uint32_t pressure) :
berlingeradam 0:866f2c528c01 38 ble(_ble),
16038618 3:b1f65162c95b 39 humiditychar(GattCharacteristic::UUID_HUMIDITY_CHAR, (uint8_t *)&humidity,
16038618 3:b1f65162c95b 40 sizeof(uint16_t), sizeof(uint16_t),
16038618 3:b1f65162c95b 41 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
16038618 3:b1f65162c95b 42
16038618 3:b1f65162c95b 43 temperaturechar(GattCharacteristic::UUID_TEMPERATURE_CHAR, (uint8_t *)&temperature,
16038618 3:b1f65162c95b 44 sizeof(int16_t), sizeof(int16_t),
16038618 3:b1f65162c95b 45 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
16038618 3:b1f65162c95b 46
16038618 3:b1f65162c95b 47 winddirectionchar(GattCharacteristic::UUID_TRUE_WIND_DIRECTION_CHAR, (uint8_t *)&winddirection,
16038618 3:b1f65162c95b 48 sizeof(uint16_t), sizeof(uint16_t),
16038618 3:b1f65162c95b 49 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
16038618 3:b1f65162c95b 50
16038618 3:b1f65162c95b 51 pressurechar(GattCharacteristic::UUID_PRESSURE_CHAR, (uint8_t *)&pressure,
16038618 3:b1f65162c95b 52 sizeof(uint32_t), sizeof(uint32_t),
16038618 3:b1f65162c95b 53 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
berlingeradam 1:fd7adeffebbe 54 eventCallback(NULL),
berlingeradam 1:fd7adeffebbe 55 slider1Characteristic(slider1CharacteristicUUID, (uint8_t*)&slider1Value, 2, 2,
berlingeradam 0:866f2c528c01 56 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
berlingeradam 1:fd7adeffebbe 57 slider2Characteristic(slider2CharacteristicUUID, (uint8_t*)&slider2Value, 2, 2,
berlingeradam 0:866f2c528c01 58 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE),
berlingeradam 1:fd7adeffebbe 59 buttonCharacteristic(buttonCharacteristicUUID, (uint8_t*)&lastButtonPressed, 2, 2,
berlingeradam 0:866f2c528c01 60 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE){
16038618 3:b1f65162c95b 61
16038618 3:b1f65162c95b 62 GattCharacteristic *charTable[] = {&humiditychar, &temperaturechar, };
16038618 3:b1f65162c95b 63 GattCharacteristic *charTable2[] = {&winddirectionchar, &pressurechar};
16038618 3:b1f65162c95b 64
16038618 3:b1f65162c95b 65 GattService EnvironmentalService(GattService::UUID_ENVIRONMENTAL_SENSING_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
16038618 3:b1f65162c95b 66 GattService EnvironmentalService2(GattService::UUID_ENVIRONMENTAL_SENSING_SERVICE, charTable2, sizeof(charTable2) / sizeof(GattCharacteristic *));
16038618 3:b1f65162c95b 67
16038618 3:b1f65162c95b 68 ble.addService(EnvironmentalService);
16038618 3:b1f65162c95b 69 ble.addService(EnvironmentalService2);
16038618 3:b1f65162c95b 70
16038618 3:b1f65162c95b 71 // ble.onDataWritten(this, &DemoAppService::onDataWritten);
berlingeradam 0:866f2c528c01 72 }
berlingeradam 0:866f2c528c01 73
16038618 3:b1f65162c95b 74 /* Set a new 16-bit value for the humidity measurement. */
16038618 3:b1f65162c95b 75 void updateHumidity(uint16_t humidity) {
16038618 3:b1f65162c95b 76 ble.updateCharacteristicValue(humiditychar.getValueAttribute().getHandle(), (uint8_t *)&humidity, sizeof(uint16_t));
16038618 3:b1f65162c95b 77 }
16038618 3:b1f65162c95b 78
16038618 3:b1f65162c95b 79 /* Set a new 16-bit value for the temperature measurement. */
16038618 3:b1f65162c95b 80 void updateTemperature(int16_t temperature) {
16038618 3:b1f65162c95b 81 ble.updateCharacteristicValue(temperaturechar.getValueAttribute().getHandle(), (uint8_t *)&temperature, sizeof(int16_t));
16038618 3:b1f65162c95b 82 }
16038618 3:b1f65162c95b 83
16038618 3:b1f65162c95b 84
16038618 3:b1f65162c95b 85 /* Set a new 16-bit value for the wind direction measurement. */
16038618 3:b1f65162c95b 86 void updateWinddirection(uint16_t winddirection) {
16038618 3:b1f65162c95b 87 ble.updateCharacteristicValue(winddirectionchar.getValueAttribute().getHandle(), (uint8_t *)&winddirection, sizeof(uint16_t));
16038618 3:b1f65162c95b 88 }
16038618 3:b1f65162c95b 89
16038618 3:b1f65162c95b 90 /* Set a new 32-bit value for the pressure measurement. */
16038618 3:b1f65162c95b 91 void updatePressure(uint32_t pressure) {
16038618 3:b1f65162c95b 92 ble.updateCharacteristicValue(pressurechar.getValueAttribute().getHandle(), (uint8_t *)&pressure, sizeof(uint32_t));
16038618 3:b1f65162c95b 93 }
16038618 3:b1f65162c95b 94
16038618 3:b1f65162c95b 95
16038618 3:b1f65162c95b 96
berlingeradam 1:fd7adeffebbe 97 void setCallback(DemoAppCallback callback){eventCallback = callback;}
berlingeradam 1:fd7adeffebbe 98
berlingeradam 1:fd7adeffebbe 99 void waitForEvent(void){ble.waitForEvent(); }
berlingeradam 1:fd7adeffebbe 100
berlingeradam 0:866f2c528c01 101 virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
berlingeradam 1:fd7adeffebbe 102 uint8_t event = 0;
berlingeradam 0:866f2c528c01 103 DEBUG("Demo service onWrite\n\r");
berlingeradam 0:866f2c528c01 104 if (params->charHandle == slider1Characteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 105 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 106 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 107 memcpy(&slider1Value, params->data, 2);
berlingeradam 0:866f2c528c01 108 DEBUG("Slider1: %d\n\r", slider1Value);
berlingeradam 1:fd7adeffebbe 109 event |= EVENT_SLIDER1_CHANGED;
berlingeradam 0:866f2c528c01 110 }
berlingeradam 0:866f2c528c01 111 }
berlingeradam 0:866f2c528c01 112 else if (params->charHandle == slider2Characteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 113 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 114 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 115 memcpy(&slider2Value, params->data, 2);
berlingeradam 0:866f2c528c01 116 DEBUG("Slider2: %d\n\r", slider2Value);
berlingeradam 1:fd7adeffebbe 117 event |= EVENT_SLIDER2_CHANGED;
berlingeradam 0:866f2c528c01 118 }
berlingeradam 0:866f2c528c01 119 }
berlingeradam 0:866f2c528c01 120 else if (params->charHandle == buttonCharacteristic.getValueAttribute().getHandle()) {
berlingeradam 0:866f2c528c01 121 uint16_t bytesRead = params->len;
berlingeradam 0:866f2c528c01 122 if (bytesRead == 2) {
berlingeradam 0:866f2c528c01 123 memcpy(&lastButtonPressed, params->data, 2);
berlingeradam 1:fd7adeffebbe 124 event |= EVENT_BUTTON_CHANGED;
berlingeradam 0:866f2c528c01 125 }
berlingeradam 0:866f2c528c01 126 }
berlingeradam 1:fd7adeffebbe 127 if(event && eventCallback){
berlingeradam 1:fd7adeffebbe 128 eventCallback(event);
berlingeradam 1:fd7adeffebbe 129 }
berlingeradam 0:866f2c528c01 130 }
berlingeradam 0:866f2c528c01 131
berlingeradam 0:866f2c528c01 132 uint16_t getSlider1Value()const{return slider1Value;}
berlingeradam 0:866f2c528c01 133 uint16_t getSlider2Value()const{return slider2Value;}
berlingeradam 0:866f2c528c01 134 };
berlingeradam 0:866f2c528c01 135
berlingeradam 1:fd7adeffebbe 136 DemoAppService *startDemoBLE(const char* name);
berlingeradam 1:fd7adeffebbe 137
berlingeradam 0:866f2c528c01 138 #endif