Frank Duignan / Mbed 2 deprecated CJMCU-8223-Oled

BTLE example for a CJMCU-8223 (NRF51822+Lis3dh). Also includes an OLED display. Further details on ioprog.com

Dependencies:   mbed BLE_API nRF51822

accelService.h@0:8fa1c7356f71, 2020-06-24 (annotated)

Committer:
f3d
Date:
Wed Jun 24 11:37:11 2020 +0000
Revision:
0:8fa1c7356f71
Initial commit for CJMCU-8223 offering an LED service and an accelerometer service.  Also includes an Oled display

Who changed what in which revision?

UserRevisionLine numberNew contents of line
f3d 0:8fa1c7356f71 1 /* mbed Microcontroller Library
f3d 0:8fa1c7356f71 2 * Copyright (c) 2006-2013 ARM Limited
f3d 0:8fa1c7356f71 3 *
f3d 0:8fa1c7356f71 4 * Licensed under the Apache License, Version 2.0 (the "License");
f3d 0:8fa1c7356f71 5 * you may not use this file except in compliance with the License.
f3d 0:8fa1c7356f71 6 * You may obtain a copy of the License at
f3d 0:8fa1c7356f71 7 *
f3d 0:8fa1c7356f71 8 * http://www.apache.org/licenses/LICENSE-2.0
f3d 0:8fa1c7356f71 9 *
f3d 0:8fa1c7356f71 10 * Unless required by applicable law or agreed to in writing, software
f3d 0:8fa1c7356f71 11 * distributed under the License is distributed on an "AS IS" BASIS,
f3d 0:8fa1c7356f71 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
f3d 0:8fa1c7356f71 13 * See the License for the specific language governing permissions and
f3d 0:8fa1c7356f71 14 * limitations under the License.
f3d 0:8fa1c7356f71 15 */
f3d 0:8fa1c7356f71 16
f3d 0:8fa1c7356f71 17 #ifndef __BLE_ACCEL_SERVICE_H__
f3d 0:8fa1c7356f71 18 #define __BLE_ACCEL_SERVICE_H__
f3d 0:8fa1c7356f71 19 #include <mbed.h>
f3d 0:8fa1c7356f71 20 #include <lis3dh.h>
f3d 0:8fa1c7356f71 21 lis3dh Lis3dh;
f3d 0:8fa1c7356f71 22 class accelService {
f3d 0:8fa1c7356f71 23 public:
f3d 0:8fa1c7356f71 24 const static uint16_t ACCEL_SERVICE_UUID = 0xA012;
f3d 0:8fa1c7356f71 25 const static uint16_t ACCEL_X_CHARACTERISTIC_UUID = 0xA013;
f3d 0:8fa1c7356f71 26 const static uint16_t ACCEL_Y_CHARACTERISTIC_UUID = 0xA014;
f3d 0:8fa1c7356f71 27 const static uint16_t ACCEL_Z_CHARACTERISTIC_UUID = 0xA015;
f3d 0:8fa1c7356f71 28
f3d 0:8fa1c7356f71 29 accelService(BLEDevice &_ble, int16_t initialValueForACCELCharacteristic) :
f3d 0:8fa1c7356f71 30 ble(_ble), AccelX(ACCEL_X_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic),AccelY(ACCEL_Y_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic),AccelZ(ACCEL_Z_CHARACTERISTIC_UUID, &initialValueForACCELCharacteristic)
f3d 0:8fa1c7356f71 31 {
f3d 0:8fa1c7356f71 32 GattCharacteristic *charTable[] = {&AccelX,&AccelY,&AccelZ};
f3d 0:8fa1c7356f71 33 GattService AccelService(ACCEL_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
f3d 0:8fa1c7356f71 34 ble.addService(AccelService);
f3d 0:8fa1c7356f71 35 Lis3dh.begin();
f3d 0:8fa1c7356f71 36 }
f3d 0:8fa1c7356f71 37
f3d 0:8fa1c7356f71 38 GattAttribute::Handle_t getValueHandle() const {
f3d 0:8fa1c7356f71 39 return AccelX.getValueHandle();
f3d 0:8fa1c7356f71 40 }
f3d 0:8fa1c7356f71 41 void updateAccelX(uint16_t newValue) {
f3d 0:8fa1c7356f71 42 ble.gattServer().write(AccelX.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t));
f3d 0:8fa1c7356f71 43 }
f3d 0:8fa1c7356f71 44 void updateAccelY(uint16_t newValue) {
f3d 0:8fa1c7356f71 45 ble.gattServer().write(AccelY.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t));
f3d 0:8fa1c7356f71 46 }
f3d 0:8fa1c7356f71 47 void updateAccelZ(uint16_t newValue) {
f3d 0:8fa1c7356f71 48 ble.gattServer().write(AccelZ.getValueHandle(), (uint8_t *)&newValue, sizeof(uint16_t));
f3d 0:8fa1c7356f71 49 }
f3d 0:8fa1c7356f71 50 void poll()
f3d 0:8fa1c7356f71 51 {
f3d 0:8fa1c7356f71 52 int X,Y,Z;
f3d 0:8fa1c7356f71 53 Lis3dh.read(X,Y,Z);
f3d 0:8fa1c7356f71 54 updateAccelX(X);
f3d 0:8fa1c7356f71 55 updateAccelY(Y);
f3d 0:8fa1c7356f71 56 updateAccelZ(Z);
f3d 0:8fa1c7356f71 57
f3d 0:8fa1c7356f71 58 }
f3d 0:8fa1c7356f71 59 private:
f3d 0:8fa1c7356f71 60 BLEDevice &ble;
f3d 0:8fa1c7356f71 61 ReadOnlyGattCharacteristic<int16_t> AccelX;
f3d 0:8fa1c7356f71 62 ReadOnlyGattCharacteristic<int16_t> AccelY;
f3d 0:8fa1c7356f71 63 ReadOnlyGattCharacteristic<int16_t> AccelZ;
f3d 0:8fa1c7356f71 64 };
f3d 0:8fa1c7356f71 65
f3d 0:8fa1c7356f71 66 #endif /* #ifndef __BLE_ACCEL_SERVICE_H__ */