83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2014 Google Inc.
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* Copyright (C) 2019 Digi International Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*
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* A full list of officially adopted BLE services can be seen on
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* https://www.bluetooth.com/specifications/gatt/services/
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*/
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#define UUID_GAP_SERVICE 0x1800 /* Generic Access Service (GAP) */
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#define UUID_GATT_SERVICE 0x1801 /* Generic Attribute Profile Service (GATT) */
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#define UUID_DEVICE_INFORMATION_SERVICE 0x180A /* Device Information Service */
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/*
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* See BT specification to list all official characteristics UUID
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* from https://www.bluetooth.com/specifications/gatt/characteristics/
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*/
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#define UUID_GATT_CHARACTERISTIC_CURRENT_TIME 0x2A2B
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#define UUID_GATT_CHARACTERISTIC_TEMPERATURE_MEASUREMENT 0x2A1C
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/*
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* See BT specification to list all GATT Bluetooth Format types
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* from https://www.bluetooth.com/specifications/assigned-numbers/format-types/
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*/
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#define BLE_GATT_CPF_FORMAT_UINT8 0x04 /* Unsigned 8-bit integer */
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#define BLE_GATT_CPF_FORMAT_UTF8S 0x19 /* UTF-8 string */
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/*
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* See BT specification to list all GATT Bluetooth Units
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* from https://www.bluetooth.com/specifications/assigned-numbers/units/
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*/
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#define BLE_GATT_CPF_UNIT_DEGREE_CELSIUS 0x27,0x2F /* Celsius temperature (degree Celsius) */
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#define BLE_GATT_CPF_UNIT_TIME_SECONDS 0x27,0x03 /* Time (second) */
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/*
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* See BT specification to list all GATT Bluetooth Namespace Descriptions
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* from https://www.bluetooth.com/specifications/assigned-numbers/gatt-namespace-descriptors/
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*/
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#define BLE_GATT_SIG_NAMESPACE 0x01
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#define BLE_GATT_SIG_DESCRIPTOR_UNKNOWN 0x00,0x00
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#define BLE_GATT_SIG_DESCRIPTOR_INTERNAL 0x01,0x0F
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/*
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* See BT specification 4.2, section 3.3.3.5
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* for Characteristic Presentation Format descriptor:
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* - Format (1 octet)
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* - Exponent (1 octet)
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* - Unit (2 octet)
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* - Name Space (1 octet)
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* - Description (2 octet)
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*/
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#define FORMAT_BYTES 7
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const uint8_t FORMAT_8_BIT_INT[] = {
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BLE_GATT_CPF_FORMAT_UINT8,
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0x00,
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BLE_GATT_CPF_UNIT_DEGREE_CELSIUS,
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BLE_GATT_SIG_NAMESPACE,
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BLE_GATT_SIG_DESCRIPTOR_INTERNAL
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};
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const uint8_t FORMAT_UTF_8[] = {
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BLE_GATT_CPF_FORMAT_UTF8S,
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0x00,
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BLE_GATT_CPF_UNIT_TIME_SECONDS,
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BLE_GATT_SIG_NAMESPACE,
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BLE_GATT_SIG_DESCRIPTOR_UNKNOWN
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};
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