ST / Mbed OS Node_BLE_Sensors_Device

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Dependencies:   X_NUCLEO_IKS01A2

Fork of Node_BLE_Switch_Device by ST

Bluetooth Low Energy enabled device with environmental and inertial features, i.e. "Pressure", "Humidity", "Temperature", "Accelerometer", "Gyroscope", and "Magnetometer", plus "Switch" feature, compatible with BlueST Protocol.

source/CustomService.h@4:a10e2c94c8c8, 2018-05-16 (annotated)

Committer:
Davidroid
Date:
Wed May 16 17:20:48 2018 +0000
Revision:
4:a10e2c94c8c8
Parent:
0:6b34c49b5285
Child:
5:445024130101
Add sensors

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 4:a10e2c94c8c8 46 #define TIMESTAMP_LENGTH (sizeof(uint16_t))
Davidroid 4:a10e2c94c8c8 47 #define STATE_LENGTH (sizeof(uint8_t))
Davidroid 4:a10e2c94c8c8 48 #define COMMAND_LENGTH (sizeof(uint8_t))
Davidroid 4:a10e2c94c8c8 49 #define PRESSURE_LENGTH (sizeof(uint32_t))
Davidroid 4:a10e2c94c8c8 50 #define HUMIDITY_LENGTH (sizeof(uint16_t))
Davidroid 4:a10e2c94c8c8 51 #define TEMPERATURE_LENGTH (sizeof(uint16_t))
Davidroid 0:6b34c49b5285 52
Davidroid 4:a10e2c94c8c8 53 #define STATE_DATA_LENGTH (TIMESTAMP_LENGTH + STATE_LENGTH)
Davidroid 4:a10e2c94c8c8 54 #define COMMAND_DATA_LENGTH (COMMAND_LENGTH)
Davidroid 4:a10e2c94c8c8 55 #define SENSORS_DATA_LENGTH (TIMESTAMP_LENGTH + PRESSURE_LENGTH + HUMIDITY_LENGTH + TEMPERATURE_LENGTH)
Davidroid 4:a10e2c94c8c8 56
Davidroid 4:a10e2c94c8c8 57 const UUID::LongUUIDBytes_t CUSTOM_SERVICE_UUID = {0x00,0x00,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b};
Davidroid 4:a10e2c94c8c8 58 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 4:a10e2c94c8c8 59 const UUID::LongUUIDBytes_t CUSTOM_SENSORS_CHARACTERISTIC_UUID = {0x00,0x1c,0x00,0x00,0x00,0x01,0x11,0xe1,0xac,0x36,0x00,0x02,0xa5,0xd5,0xc5,0x1b};
Davidroid 0:6b34c49b5285 60
Davidroid 0:6b34c49b5285 61 class CustomService {
Davidroid 0:6b34c49b5285 62 public:
Davidroid 0:6b34c49b5285 63
Davidroid 0:6b34c49b5285 64 /* Switch states. */
Davidroid 0:6b34c49b5285 65 typedef enum
Davidroid 0:6b34c49b5285 66 {
Davidroid 0:6b34c49b5285 67 SWITCH_OFF = 0,
Davidroid 0:6b34c49b5285 68 SWITCH_ON
Davidroid 0:6b34c49b5285 69 } switch_state_t;
Davidroid 0:6b34c49b5285 70
Davidroid 0:6b34c49b5285 71 CustomService(BLEDevice &_ble) :
Davidroid 0:6b34c49b5285 72 ble(_ble),
Davidroid 4:a10e2c94c8c8 73 state_command(CUSTOM_SWITCH_CHARACTERISTIC_UUID, packed_state_command, STATE_DATA_LENGTH, STATE_DATA_LENGTH,
Davidroid 4:a10e2c94c8c8 74 /*GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | */GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
Davidroid 4:a10e2c94c8c8 75 sensors(CUSTOM_SENSORS_CHARACTERISTIC_UUID, packed_sensors, SENSORS_DATA_LENGTH, SENSORS_DATA_LENGTH,
Davidroid 4:a10e2c94c8c8 76 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)
Davidroid 0:6b34c49b5285 77 {
Davidroid 4:a10e2c94c8c8 78 GattCharacteristic *char_table[] = {&state_command, &sensors};
Davidroid 4:a10e2c94c8c8 79 GattService switch_service(CUSTOM_SERVICE_UUID, char_table, sizeof(char_table) / sizeof(GattCharacteristic *));
Davidroid 0:6b34c49b5285 80 ble.addService(switch_service);
Davidroid 4:a10e2c94c8c8 81 memset (packed_state_command, 0, STATE_DATA_LENGTH);
Davidroid 4:a10e2c94c8c8 82 memset (packed_sensors, 0, SENSORS_DATA_LENGTH);
Davidroid 0:6b34c49b5285 83 }
Davidroid 0:6b34c49b5285 84
Davidroid 0:6b34c49b5285 85 void send_state(uint16_t time_stamp, uint8_t current_state) {
Davidroid 4:a10e2c94c8c8 86 memset (packed_state_command, 0, STATE_DATA_LENGTH);
Davidroid 0:6b34c49b5285 87 STORE_LE_16(packed_state_command, time_stamp);
Davidroid 4:a10e2c94c8c8 88 packed_state_command[TIMESTAMP_LENGTH] = current_state;
Davidroid 4:a10e2c94c8c8 89 ble.gattServer().write(get_state_command_handle(), (uint8_t *) &packed_state_command, STATE_DATA_LENGTH, 0);
Davidroid 0:6b34c49b5285 90 }
Davidroid 0:6b34c49b5285 91
Davidroid 4:a10e2c94c8c8 92 void send_sensors(uint16_t time_stamp, uint32_t pressure, uint16_t humidity, uint16_t temperature) {
Davidroid 4:a10e2c94c8c8 93 memset (packed_sensors, 0, SENSORS_DATA_LENGTH);
Davidroid 4:a10e2c94c8c8 94 int p = 0;
Davidroid 4:a10e2c94c8c8 95 STORE_LE_16(&packed_sensors[p], time_stamp);
Davidroid 4:a10e2c94c8c8 96 STORE_LE_32(&packed_sensors[p += TIMESTAMP_LENGTH], pressure);
Davidroid 4:a10e2c94c8c8 97 STORE_LE_16(&packed_sensors[p += PRESSURE_LENGTH], humidity);
Davidroid 4:a10e2c94c8c8 98 STORE_LE_16(&packed_sensors[p += HUMIDITY_LENGTH], temperature);
Davidroid 4:a10e2c94c8c8 99 ble.gattServer().write(get_sensors_handle(), (uint8_t *) &packed_sensors, SENSORS_DATA_LENGTH, 0);
Davidroid 4:a10e2c94c8c8 100 }
Davidroid 4:a10e2c94c8c8 101
Davidroid 4:a10e2c94c8c8 102 GattAttribute::Handle_t get_state_command_handle() const
Davidroid 0:6b34c49b5285 103 {
Davidroid 0:6b34c49b5285 104 return state_command.getValueAttribute().getHandle();
Davidroid 0:6b34c49b5285 105 }
Davidroid 0:6b34c49b5285 106
Davidroid 4:a10e2c94c8c8 107 GattAttribute::Handle_t get_sensors_handle() const
Davidroid 4:a10e2c94c8c8 108 {
Davidroid 4:a10e2c94c8c8 109 return sensors.getValueAttribute().getHandle();
Davidroid 4:a10e2c94c8c8 110 }
Davidroid 4:a10e2c94c8c8 111
Davidroid 0:6b34c49b5285 112 private:
Davidroid 0:6b34c49b5285 113 BLEDevice &ble;
Davidroid 0:6b34c49b5285 114 GattCharacteristic state_command;
Davidroid 4:a10e2c94c8c8 115 GattCharacteristic sensors;
Davidroid 4:a10e2c94c8c8 116 uint8_t packed_state_command[STATE_DATA_LENGTH];
Davidroid 4:a10e2c94c8c8 117 uint8_t packed_sensors[SENSORS_DATA_LENGTH];
Davidroid 0:6b34c49b5285 118 };
Davidroid 0:6b34c49b5285 119
Davidroid 0:6b34c49b5285 120 #endif /* #ifndef __BLE_CUSTOM_SERVICE_H__ */