Bluetooth Low Energy enabled device with "Switch" feature, compatible with BlueST Protocol.
Bluetooth Low Energy enabled device with "Switch" feature, compatible with BlueST Protocol.
source/CustomService.h
- Committer:
- Davidroid
- Date:
- 2018-05-31
- Revision:
- 4:67ff1ddd11e2
- Parent:
- 0:6b34c49b5285
- Child:
- 5:1651815d2a74
File content as of revision 4:67ff1ddd11e2:
/** ******************************************************************************* * @file CustomService.h * @author Davide Aliprandi, STMicroelectronics * @version V1.0.0 * @date March 31st, 2018 * @brief mbed test application for the STMicroelectronics X-NUCLEO-IDB05A1 * Bluetooth Low energy Expansion Board. ******************************************************************************* * @attention * * <h2><center>© COPYRIGHT(c) 2018 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ******************************************************************************* */ #ifndef __BLE_CUSTOM_SERVICE_H__ #define __BLE_CUSTOM_SERVICE_H__ #include "ble_utils.h" #define SWITCH_DATA_LENGTH (sizeof(uint16_t) + sizeof(uint8_t)) #define SWITCH_DATA_INDEX (sizeof(uint16_t)) const UUID::LongUUIDBytes_t CUSTOM_SWITCH_SERVICE_UUID = {0x00,0x00,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b}; const UUID::LongUUIDBytes_t CUSTOM_SWITCH_CHARACTERISTIC_UUID = {0x20,0x00,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b}; class CustomService { public: /* Switch states. */ typedef enum { SWITCH_OFF = 0, SWITCH_ON } switch_state_t; CustomService(BLEDevice &_ble) : ble(_ble), state_command(CUSTOM_SWITCH_CHARACTERISTIC_UUID, packed_state_command, SWITCH_DATA_LENGTH, SWITCH_DATA_LENGTH, /*GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | */GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) { GattCharacteristic *char_table[] = {&state_command}; GattService switch_service(CUSTOM_SWITCH_SERVICE_UUID, char_table, sizeof(char_table) / sizeof(GattCharacteristic *)); ble.addService(switch_service); memset (packed_state_command, 0, SWITCH_DATA_LENGTH); } void send_state(uint16_t time_stamp, uint8_t current_state) { memset (packed_state_command, 0, SWITCH_DATA_LENGTH); STORE_LE_16(packed_state_command, time_stamp); packed_state_command[SWITCH_DATA_INDEX] = current_state; ble.gattServer().write(state_command.getValueAttribute().getHandle(), (uint8_t *) &packed_state_command, SWITCH_DATA_LENGTH, 0); } GattAttribute::Handle_t getValueHandle() const { return state_command.getValueAttribute().getHandle(); } private: BLEDevice &ble; GattCharacteristic state_command; uint8_t packed_state_command[SWITCH_DATA_LENGTH]; }; #endif /* #ifndef __BLE_CUSTOM_SERVICE_H__ */