ST / Mbed OS Node_BLE_Switch_Device

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@5:1651815d2a74, 2018-05-31 (annotated)

Committer:
Davidroid
Date:
Thu May 31 19:02:30 2018 +0000
Revision:
5:1651815d2a74
Parent:
4:67ff1ddd11e2
Child:
6:d00b2e9a016e
Send switch_state rather than toggle_state via BLE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Davidroid 0:6b34c49b5285 1 /**
Davidroid 0:6b34c49b5285 2 *******************************************************************************
Davidroid 0:6b34c49b5285 3 * @file CustomService.h
Davidroid 0:6b34c49b5285 4 * @author Davide Aliprandi, STMicroelectronics
Davidroid 0:6b34c49b5285 5 * @version V1.0.0
Davidroid 0:6b34c49b5285 6 * @date March 31st, 2018
Davidroid 0:6b34c49b5285 7 * @brief mbed test application for the STMicroelectronics X-NUCLEO-IDB05A1
Davidroid 0:6b34c49b5285 8 * Bluetooth Low energy Expansion Board.
Davidroid 0:6b34c49b5285 9 *******************************************************************************
Davidroid 0:6b34c49b5285 10 * @attention
Davidroid 0:6b34c49b5285 11 *
Davidroid 0:6b34c49b5285 12 * <h2><center>&copy; COPYRIGHT(c) 2018 STMicroelectronics</center></h2>
Davidroid 0:6b34c49b5285 13 *
Davidroid 0:6b34c49b5285 14 * Redistribution and use in source and binary forms, with or without
Davidroid 0:6b34c49b5285 15 * modification, are permitted provided that the following conditions are met:
Davidroid 0:6b34c49b5285 16 * 1. Redistributions of source code must retain the above copyright notice,
Davidroid 0:6b34c49b5285 17 * this list of conditions and the following disclaimer.
Davidroid 0:6b34c49b5285 18 * 2. Redistributions in binary form must reproduce the above copyright
Davidroid 0:6b34c49b5285 19 * notice, this list of conditions and the following disclaimer in the
Davidroid 0:6b34c49b5285 20 * documentation and/or other materials provided with the distribution.
Davidroid 0:6b34c49b5285 21 * 3. Neither the name of STMicroelectronics nor the names of its
Davidroid 0:6b34c49b5285 22 * contributors may be used to endorse or promote products derived from
Davidroid 0:6b34c49b5285 23 * this software without specific prior written permission.
Davidroid 0:6b34c49b5285 24 *
Davidroid 0:6b34c49b5285 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Davidroid 0:6b34c49b5285 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Davidroid 0:6b34c49b5285 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Davidroid 0:6b34c49b5285 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
Davidroid 0:6b34c49b5285 29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Davidroid 0:6b34c49b5285 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Davidroid 0:6b34c49b5285 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Davidroid 0:6b34c49b5285 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Davidroid 0:6b34c49b5285 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Davidroid 0:6b34c49b5285 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Davidroid 0:6b34c49b5285 35 * POSSIBILITY OF SUCH DAMAGE.
Davidroid 0:6b34c49b5285 36 *
Davidroid 0:6b34c49b5285 37 *******************************************************************************
Davidroid 0:6b34c49b5285 38 */
Davidroid 0:6b34c49b5285 39
Davidroid 0:6b34c49b5285 40
Davidroid 0:6b34c49b5285 41 #ifndef __BLE_CUSTOM_SERVICE_H__
Davidroid 0:6b34c49b5285 42 #define __BLE_CUSTOM_SERVICE_H__
Davidroid 0:6b34c49b5285 43
Davidroid 0:6b34c49b5285 44 #include "ble_utils.h"
Davidroid 0:6b34c49b5285 45
Davidroid 5:1651815d2a74 46 #define TIMESTAMP_LENGTH (sizeof(uint16_t))
Davidroid 5:1651815d2a74 47 #define SWITCH_LENGTH (sizeof(uint8_t))
Davidroid 5:1651815d2a74 48 #define SWITCH_DATA_LENGTH (TIMESTAMP_LENGTH + SWITCH_LENGTH)
Davidroid 5:1651815d2a74 49 #define SWITCH_DATA_INDEX (TIMESTAMP_LENGTH)
Davidroid 0:6b34c49b5285 50
Davidroid 0:6b34c49b5285 51 const UUID::LongUUIDBytes_t CUSTOM_SWITCH_SERVICE_UUID = {0x00,0x00,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b};
Davidroid 0:6b34c49b5285 52 const UUID::LongUUIDBytes_t CUSTOM_SWITCH_CHARACTERISTIC_UUID = {0x20,0x00,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b};
Davidroid 0:6b34c49b5285 53
Davidroid 0:6b34c49b5285 54 class CustomService {
Davidroid 0:6b34c49b5285 55 public:
Davidroid 0:6b34c49b5285 56
Davidroid 0:6b34c49b5285 57 /* Switch states. */
Davidroid 0:6b34c49b5285 58 typedef enum
Davidroid 0:6b34c49b5285 59 {
Davidroid 0:6b34c49b5285 60 SWITCH_OFF = 0,
Davidroid 0:6b34c49b5285 61 SWITCH_ON
Davidroid 0:6b34c49b5285 62 } switch_state_t;
Davidroid 0:6b34c49b5285 63
Davidroid 0:6b34c49b5285 64 CustomService(BLEDevice &_ble) :
Davidroid 0:6b34c49b5285 65 ble(_ble),
Davidroid 4:67ff1ddd11e2 66 state_command(CUSTOM_SWITCH_CHARACTERISTIC_UUID, packed_state_command, SWITCH_DATA_LENGTH, SWITCH_DATA_LENGTH,
Davidroid 0:6b34c49b5285 67 /*GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | */GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
Davidroid 0:6b34c49b5285 68 {
Davidroid 0:6b34c49b5285 69 GattCharacteristic *char_table[] = {&state_command};
Davidroid 0:6b34c49b5285 70 GattService switch_service(CUSTOM_SWITCH_SERVICE_UUID, char_table, sizeof(char_table) / sizeof(GattCharacteristic *));
Davidroid 0:6b34c49b5285 71 ble.addService(switch_service);
Davidroid 4:67ff1ddd11e2 72 memset (packed_state_command, 0, SWITCH_DATA_LENGTH);
Davidroid 0:6b34c49b5285 73 }
Davidroid 0:6b34c49b5285 74
Davidroid 0:6b34c49b5285 75 void send_state(uint16_t time_stamp, uint8_t current_state) {
Davidroid 4:67ff1ddd11e2 76 memset (packed_state_command, 0, SWITCH_DATA_LENGTH);
Davidroid 0:6b34c49b5285 77 STORE_LE_16(packed_state_command, time_stamp);
Davidroid 4:67ff1ddd11e2 78 packed_state_command[SWITCH_DATA_INDEX] = current_state;
Davidroid 4:67ff1ddd11e2 79 ble.gattServer().write(state_command.getValueAttribute().getHandle(), (uint8_t *) &packed_state_command, SWITCH_DATA_LENGTH, 0);
Davidroid 0:6b34c49b5285 80 }
Davidroid 0:6b34c49b5285 81
Davidroid 0:6b34c49b5285 82 GattAttribute::Handle_t getValueHandle() const
Davidroid 0:6b34c49b5285 83 {
Davidroid 0:6b34c49b5285 84 return state_command.getValueAttribute().getHandle();
Davidroid 0:6b34c49b5285 85 }
Davidroid 0:6b34c49b5285 86
Davidroid 0:6b34c49b5285 87 private:
Davidroid 0:6b34c49b5285 88 BLEDevice &ble;
Davidroid 0:6b34c49b5285 89 GattCharacteristic state_command;
Davidroid 4:67ff1ddd11e2 90 uint8_t packed_state_command[SWITCH_DATA_LENGTH];
Davidroid 0:6b34c49b5285 91 };
Davidroid 0:6b34c49b5285 92
Davidroid 0:6b34c49b5285 93 #endif /* #ifndef __BLE_CUSTOM_SERVICE_H__ */