BTLE example for a CJMCU-8223 (NRF51822+Lis3dh). Also includes an OLED display. Further details on ioprog.com
Dependencies: mbed BLE_API nRF51822
Diff: accelService.h
- Revision:
- 0:8fa1c7356f71
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/accelService.h Wed Jun 24 11:37:11 2020 +0000 @@ -0,0 +1,66 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __BLE_ACCEL_SERVICE_H__ +#define __BLE_ACCEL_SERVICE_H__ +#include <mbed.h> +#include <lis3dh.h> +lis3dh Lis3dh; +class accelService { +public: + const static uint16_t ACCEL_SERVICE_UUID = 0xA012; + const static uint16_t ACCEL_X_CHARACTERISTIC_UUID = 0xA013; + const static uint16_t ACCEL_Y_CHARACTERISTIC_UUID = 0xA014; + const static uint16_t ACCEL_Z_CHARACTERISTIC_UUID = 0xA015; + + accelService(BLEDevice &_ble, int16_t initialValueForACCELCharacteristic) : + ble(_ble), AccelX(ACCEL_X_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic),AccelY(ACCEL_Y_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic),AccelZ(ACCEL_Z_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic) + { + GattCharacteristic *charTable[] = {&AccelX,&AccelY,&AccelZ}; + GattService AccelService(ACCEL_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); + ble.addService(AccelService); + Lis3dh.begin(); + } + + GattAttribute::Handle_t getValueHandle() const { + return AccelX.getValueHandle(); + } + void updateAccelX(uint16_t newValue) { + ble.gattServer().write(AccelX.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t)); + } + void updateAccelY(uint16_t newValue) { + ble.gattServer().write(AccelY.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t)); + } + void updateAccelZ(uint16_t newValue) { + ble.gattServer().write(AccelZ.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t)); + } + void poll() + { + int X,Y,Z; + Lis3dh.read(X,Y,Z); + updateAccelX(X); + updateAccelY(Y); + updateAccelZ(Z); + + } +private: + BLEDevice &ble; + ReadOnlyGattCharacteristic<int16_t> AccelX; + ReadOnlyGattCharacteristic<int16_t> AccelY; + ReadOnlyGattCharacteristic<int16_t> AccelZ; +}; + +#endif /* #ifndef __BLE_ACCEL_SERVICE_H__ */