680 lines
20 KiB
C
680 lines
20 KiB
C
/**************************************************************************************************
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Filename: glucservice.c
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Revised: $Date $
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Revision: $Revision $
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Description: This file contains the Glucose sample service
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for use with the Glucose sample application.
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Copyright 2011-2013 Texas Instruments Incorporated. All rights reserved.
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IMPORTANT: Your use of this Software is limited to those specific rights
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granted under the terms of a software license agreement between the user
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who downloaded the software, his/her employer (which must be your employer)
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and Texas Instruments Incorporated (the "License"). You may not use this
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Software unless you agree to abide by the terms of the License. The License
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limits your use, and you acknowledge, that the Software may not be modified,
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copied or distributed unless embedded on a Texas Instruments microcontroller
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or used solely and exclusively in conjunction with a Texas Instruments radio
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frequency transceiver, which is integrated into your product. Other than for
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the foregoing purpose, you may not use, reproduce, copy, prepare derivative
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works of, modify, distribute, perform, display or sell this Software and/or
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its documentation for any purpose.
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YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
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PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
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INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
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NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
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TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
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NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
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LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
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INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
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OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
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OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
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(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
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Should you have any questions regarding your right to use this Software,
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contact Texas Instruments Incorporated at www.TI.com.
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**************************************************************************************************/
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/*********************************************************************
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* INCLUDES
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*/
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#include "bcomdef.h"
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#include "OSAL.h"
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#include "linkdb.h"
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#include "att.h"
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#include "gatt.h"
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#include "gatt_uuid.h"
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#include "gattservapp.h"
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#include "gapbondmgr.h"
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#include "glucservice.h"
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/*********************************************************************
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* MACROS
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*/
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/*********************************************************************
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* CONSTANTS
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*/
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// Position of glucose measurement value in attribute array
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#define GLUCOSE_MEAS_VALUE_POS 2
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#define GLUCOSE_MEAS_CONFIG_POS 3
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#define GLUCOSE_CONTEXT_VALUE_POS 5
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#define GLUCOSE_CONTEXT_CONFIG_POS 6
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#define GLUCOSE_CTL_PNT_VALUE_POS 10
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#define GLUCOSE_CTL_PNT_CONFIG_POS 11
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/*********************************************************************
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* TYPEDEFS
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*/
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/*********************************************************************
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* GLOBAL VARIABLES
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*/
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// Glucose service
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CONST uint8 glucoseServUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(GLUCOSE_SERV_UUID), HI_UINT16(GLUCOSE_SERV_UUID)
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};
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// Glucose characteristic
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CONST uint8 glucoseMeasUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(GLUCOSE_MEAS_UUID), HI_UINT16(GLUCOSE_MEAS_UUID)
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};
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// Glucose Measurement Context
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CONST uint8 glucoseContextUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(GLUCOSE_CONTEXT_UUID), HI_UINT16(GLUCOSE_CONTEXT_UUID)
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};
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// Glucose Feature
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CONST uint8 glucoseFeatureUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(GLUCOSE_FEATURE_UUID), HI_UINT16(GLUCOSE_FEATURE_UUID)
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};
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// Record Control Point
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CONST uint8 recordControlPointUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(RECORD_CONTROL_POINT_UUID), HI_UINT16(RECORD_CONTROL_POINT_UUID)
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};
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/*********************************************************************
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* EXTERNAL VARIABLES
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*/
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/* TRUE if record transfer in progress */
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extern bool glucoseSendAllRecords;
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/*********************************************************************
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* EXTERNAL FUNCTIONS
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*/
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/*********************************************************************
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* LOCAL VARIABLES
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*/
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static glucoseServiceCB_t glucoseServiceCB;
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/*********************************************************************
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* Profile Attributes - variables
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*/
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// Glucose Service attribute
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static CONST gattAttrType_t glucoseService = { ATT_BT_UUID_SIZE, glucoseServUUID };
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// Glucose Characteristic
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static uint8 glucoseProps = GATT_PROP_NOTIFY;
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static gattCharCfg_t glucoseMeasConfig[GATT_MAX_NUM_CONN];
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static uint8 glucoseMeas = 0;
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// Measurement Context
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static uint8 glucoseContextProps = GATT_PROP_NOTIFY;
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static uint8 glucoseContext=0;
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static gattCharCfg_t glucoseContextConfig[GATT_MAX_NUM_CONN];
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// Glucose Feature
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static uint8 glucoseFeatureProps = GATT_PROP_READ;
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static uint16 glucoseFeature = GLUCOSE_FEAT_ALL;
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// Glucose Control
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static uint8 glucoseControlProps = GATT_PROP_INDICATE | GATT_PROP_WRITE;
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static uint8 glucoseControl=0;
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static gattCharCfg_t glucoseControlConfig[GATT_MAX_NUM_CONN];
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/*********************************************************************
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* Profile Attributes - Table
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*/
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static gattAttribute_t glucoseAttrTbl[] =
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{
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// Glucose Service
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{
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{ ATT_BT_UUID_SIZE, primaryServiceUUID }, /* type */
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GATT_PERMIT_READ, /* permissions */
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0, /* handle */
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(uint8 *)&glucoseService /* pValue */
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},
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// 1. Characteristic Declaration
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{
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{ ATT_BT_UUID_SIZE, characterUUID },
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GATT_PERMIT_READ,
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0,
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&glucoseProps
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},
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// 2. Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, glucoseMeasUUID },
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0, //return READ_NOT_PERMITTED
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0,
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&glucoseMeas
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},
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// 3.Characteristic Configuration
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{
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{ ATT_BT_UUID_SIZE, clientCharCfgUUID },
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GATT_PERMIT_READ | GATT_PERMIT_WRITE,
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0,
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(uint8 *)&glucoseMeasConfig
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},
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//////////////////////////////////////////////
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// MEASUREMENT CONTEXT
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//////////////////////////////////////////////
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// 4.Characteristic Declaration
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{
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{ ATT_BT_UUID_SIZE, characterUUID },
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GATT_PERMIT_READ,
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0,
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&glucoseContextProps
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},
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// 5.Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, glucoseContextUUID },
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0, //return READ_NOT_PERMITTED
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0,
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&glucoseContext
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},
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// 6.Characteristic Configuration
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{
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{ ATT_BT_UUID_SIZE, clientCharCfgUUID },
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GATT_PERMIT_READ | GATT_PERMIT_WRITE,
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0,
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(uint8 *)&glucoseContextConfig
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},
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//////////////////////////////////////////////
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// GLUCOSE FEATURE
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//////////////////////////////////////////////
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// 7.Characteristic Declaration
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{
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{ ATT_BT_UUID_SIZE, characterUUID },
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GATT_PERMIT_READ,
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0,
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&glucoseFeatureProps
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},
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// 8.Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, glucoseFeatureUUID },
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GATT_PERMIT_READ,
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0,
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(uint8 *) &glucoseFeature
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},
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//////////////////////////////////////////////
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// GLUCOSE CONTROL POINT
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//////////////////////////////////////////////
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// 9.Characteristic Declaration
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{
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{ ATT_BT_UUID_SIZE, characterUUID },
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GATT_PERMIT_READ,
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0,
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&glucoseControlProps
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},
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// 10.Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, recordControlPointUUID },
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GATT_PERMIT_WRITE | GATT_PERMIT_AUTHEN_WRITE,
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0,
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&glucoseControl
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},
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// 11.Characteristic Configuration
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{
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{ ATT_BT_UUID_SIZE, clientCharCfgUUID },
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GATT_PERMIT_READ | GATT_PERMIT_WRITE,
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0,
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(uint8 *)&glucoseControlConfig
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}
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};
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/*********************************************************************
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* LOCAL FUNCTIONS
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*/
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static uint8 glucose_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
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uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen );
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static bStatus_t glucose_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
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uint8 *pValue, uint8 len, uint16 offset );
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static void glucose_HandleConnStatusCB( uint16 connHandle, uint8 changeType );
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/*********************************************************************
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* PROFILE CALLBACKS
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*/
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// Service Callbacks
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CONST gattServiceCBs_t glucoseCBs =
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{
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glucose_ReadAttrCB, // Read callback function pointer
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glucose_WriteAttrCB, // Write callback function pointer
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NULL // Authorization callback function pointer
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};
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/*********************************************************************
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* PUBLIC FUNCTIONS
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*/
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/*********************************************************************
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* @fn Glucose_AddService
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*
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* @brief Initializes the Glucose service by registering
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* GATT attributes with the GATT server.
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*
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* @param services - services to add. This is a bit map and can
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* contain more than one service.
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*
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* @return Success or Failure
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*/
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bStatus_t Glucose_AddService( uint32 services )
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{
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uint8 status = SUCCESS;
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// Initialize Client Characteristic Configuration attributes
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GATTServApp_InitCharCfg( INVALID_CONNHANDLE, glucoseMeasConfig );
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GATTServApp_InitCharCfg( INVALID_CONNHANDLE, glucoseContextConfig );
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GATTServApp_InitCharCfg( INVALID_CONNHANDLE, glucoseControlConfig );
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// Register with Link DB to receive link status change callback
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VOID linkDB_Register( glucose_HandleConnStatusCB );
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if ( services & GLUCOSE_SERVICE )
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{
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// Register GATT attribute list and CBs with GATT Server App
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status = GATTServApp_RegisterService( glucoseAttrTbl, GATT_NUM_ATTRS( glucoseAttrTbl ),
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&glucoseCBs );
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}
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return ( status );
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}
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/*********************************************************************
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* @fn Glucose_Register
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*
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* @brief Register a callback function with the Glucose Service.
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*
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* @param pfnServiceCB - Callback function.
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* pfnCtlPntCB - Callback for control point
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*
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* @return None.
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*/
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extern void Glucose_Register( glucoseServiceCB_t pfnServiceCB)
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{
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glucoseServiceCB = pfnServiceCB;
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}
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/*********************************************************************
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* @fn Glucose_SetParameter
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*
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* @brief Set a glucose parameter.
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*
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* @param param - Profile parameter ID
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* @param len - length of data to right
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* @param value - pointer to data to write. This is dependent on
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* the parameter ID and WILL be cast to the appropriate
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* data type (example: data type of uint16 will be cast to
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* uint16 pointer).
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*
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* @return bStatus_t
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*/
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bStatus_t Glucose_SetParameter( uint8 param, uint8 len, void *value )
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{
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bStatus_t ret = SUCCESS;
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switch ( param )
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{
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case GLUCOSE_FEATURE_PARAM:
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glucoseFeature = *((uint16*)value);
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break;
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default:
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ret = INVALIDPARAMETER;
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break;
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}
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return ( ret );
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}
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/*********************************************************************
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* @fn Glucose_GetParameter
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*
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* @brief Get a Glucose parameter.
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*
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* @param param - Profile parameter ID
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* @param value - pointer to data to get. This is dependent on
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* the parameter ID and WILL be cast to the appropriate
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* data type (example: data type of uint16 will be cast to
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* uint16 pointer).
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*
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* @return bStatus_t
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*/
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bStatus_t Glucose_GetParameter( uint8 param, void *value )
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{
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bStatus_t ret = SUCCESS;
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switch ( param )
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{
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case GLUCOSE_FEATURE_PARAM:
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*((uint16*)value) = glucoseFeature;
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break;
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default:
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ret = INVALIDPARAMETER;
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break;
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}
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return ( ret );
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}
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/*********************************************************************
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* @fn Glucose_MeasSend
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*
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* @brief Send a glucose measurement.
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*
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* @param connHandle - connection handle
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* @param pNoti - pointer to notification structure
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*
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* @return Success or Failure
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*/
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bStatus_t Glucose_MeasSend( uint16 connHandle, attHandleValueNoti_t *pNoti, uint8 taskId )
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{
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uint16 value = GATTServApp_ReadCharCfg( connHandle, glucoseMeasConfig );
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// If notifications enabled
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if ( value & GATT_CLIENT_CFG_NOTIFY )
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{
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// Set the handle
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pNoti->handle = glucoseAttrTbl[GLUCOSE_MEAS_VALUE_POS].handle;
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// Send the Indication
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return GATT_Notification( connHandle, pNoti, FALSE );
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}
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return bleNotReady;
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}
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/*********************************************************************
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* @fn Glucose_ContextSend
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*
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* @brief Send a glucose measurement context.
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*
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* @param connHandle - connection handle
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* @param pNoti - pointer to notification structure
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*
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* @return Success or Failure
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*/
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bStatus_t Glucose_ContextSend( uint16 connHandle, attHandleValueNoti_t *pNoti, uint8 taskId )
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{
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uint16 value = GATTServApp_ReadCharCfg( connHandle, glucoseContextConfig );
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// If notifications enabled
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if ( value & GATT_CLIENT_CFG_NOTIFY )
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{
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// Set the handle
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pNoti->handle = glucoseAttrTbl[GLUCOSE_CONTEXT_VALUE_POS].handle;
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// Send the Indication
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return GATT_Notification( connHandle, pNoti, FALSE );
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}
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return bleNotReady;
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}
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/*********************************************************************
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* @fn Glucose_CtlPntIndicate
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*
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* @brief Send an indication containing a control point
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* message.
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*
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* @param connHandle - connection handle
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* @param pInd - pointer to indication structure
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*
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* @return Success or Failure
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*/
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bStatus_t Glucose_CtlPntIndicate( uint16 connHandle, attHandleValueInd_t *pInd, uint8 taskId )
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{
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uint16 value = GATTServApp_ReadCharCfg( connHandle, glucoseControlConfig );
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// If indications enabled
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if ( value & GATT_CLIENT_CFG_INDICATE )
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{
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// Set the handle
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pInd->handle = glucoseAttrTbl[GLUCOSE_CTL_PNT_VALUE_POS].handle;
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// Send the Indication
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return GATT_Indication( connHandle, pInd, FALSE, taskId );
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}
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return bleNotReady;
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}
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/*********************************************************************
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* @fn glucose_ReadAttrCB
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*
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* @brief Read an attribute.
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*
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* @param connHandle - connection message was received on
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* @param pAttr - pointer to attribute
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* @param pValue - pointer to data to be read
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* @param pLen - length of data to be read
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* @param offset - offset of the first octet to be read
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* @param maxLen - maximum length of data to be read
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*
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* @return Success or Failure
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*/
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static uint8 glucose_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
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uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen )
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{
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bStatus_t status = SUCCESS;
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// Require security for all characteristics
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if ( linkDB_Encrypted( connHandle ) == FALSE )
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{
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return ATT_ERR_INSUFFICIENT_ENCRYPT;
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}
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// Make sure it's not a blob operation (no attributes in the profile are long)
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if ( offset > 0 )
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{
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return ( ATT_ERR_ATTR_NOT_LONG );
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}
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if ( pAttr->type.len == ATT_BT_UUID_SIZE )
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{
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// 16-bit UUID
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uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]);
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switch ( uuid )
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{
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// No need for "GATT_SERVICE_UUID" or "GATT_CLIENT_CHAR_CFG_UUID" cases;
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// gattserverapp handles those types for reads
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case GLUCOSE_FEATURE_UUID:
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*pLen = 2;
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pValue[0] = LO_UINT16( glucoseFeature );
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pValue[1] = HI_UINT16( glucoseFeature );
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break;
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default:
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// Should never get here! (characteristics 3 and 4 do not have read permissions)
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*pLen = 0;
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status = ATT_ERR_ATTR_NOT_FOUND;
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break;
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}
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}
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return ( status );
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}
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/*********************************************************************
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* @fn glucose_WriteAttrCB
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*
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* @brief Validate attribute data prior to a write operation
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*
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* @param connHandle - connection message was received on
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* @param pAttr - pointer to attribute
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* @param pValue - pointer to data to be written
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* @param len - length of data
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* @param offset - offset of the first octet to be written
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*
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* @return Success or Failure
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*/
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static bStatus_t glucose_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
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uint8 *pValue, uint8 len, uint16 offset )
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{
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bStatus_t status = SUCCESS;
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// Require security for all characteristics
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if ( linkDB_Encrypted( connHandle ) == FALSE )
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{
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return ATT_ERR_INSUFFICIENT_ENCRYPT;
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}
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// Make sure it's not a blob operation (no attributes in the profile are long)
|
|
if ( offset > 0 )
|
|
{
|
|
return ( ATT_ERR_ATTR_NOT_LONG );
|
|
}
|
|
|
|
uint16 uuid = BUILD_UINT16( pAttr->type.uuid[0], pAttr->type.uuid[1]);
|
|
|
|
switch ( uuid )
|
|
{
|
|
|
|
case GATT_CLIENT_CHAR_CFG_UUID:
|
|
// Glucose Notifications
|
|
if ((pAttr->handle == glucoseAttrTbl[GLUCOSE_MEAS_CONFIG_POS].handle ||
|
|
pAttr->handle == glucoseAttrTbl[GLUCOSE_CONTEXT_CONFIG_POS].handle))
|
|
{
|
|
status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
|
|
offset, GATT_CLIENT_CFG_NOTIFY );
|
|
if ( status == SUCCESS )
|
|
{
|
|
uint16 charCfg = BUILD_UINT16( pValue[0], pValue[1] );
|
|
|
|
if(pAttr->handle == glucoseAttrTbl[GLUCOSE_MEAS_CONFIG_POS].handle)
|
|
{
|
|
(*glucoseServiceCB)((charCfg == 0) ? GLUCOSE_MEAS_NTF_DISABLED :
|
|
GLUCOSE_MEAS_NTF_ENABLED, NULL, NULL);
|
|
}
|
|
else
|
|
{
|
|
(*glucoseServiceCB)((charCfg == 0) ? GLUCOSE_CONTEXT_NTF_DISABLED :
|
|
GLUCOSE_CONTEXT_NTF_ENABLED, NULL, NULL);
|
|
}
|
|
}
|
|
}
|
|
// Glucose Indications
|
|
else if ( pAttr->handle == glucoseAttrTbl[GLUCOSE_CTL_PNT_CONFIG_POS].handle )
|
|
{
|
|
status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
|
|
offset, GATT_CLIENT_CFG_INDICATE );
|
|
if ( status == SUCCESS )
|
|
{
|
|
uint16 charCfg = BUILD_UINT16( pValue[0], pValue[1] );
|
|
|
|
(*glucoseServiceCB)((charCfg == 0) ? GLUCOSE_CTL_PNT_IND_DISABLED :
|
|
GLUCOSE_CTL_PNT_IND_ENABLED, NULL, NULL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
status = ATT_ERR_INVALID_VALUE;
|
|
}
|
|
break;
|
|
|
|
case RECORD_CONTROL_POINT_UUID:
|
|
if(len >= GLUCOSE_CTL_PNT_MIN_SIZE && len <= GLUCOSE_CTL_PNT_MAX_SIZE)
|
|
{
|
|
uint8 opcode = pValue[0];
|
|
|
|
// if transfer in progress
|
|
if (opcode != CTL_PNT_OP_ABORT && glucoseSendAllRecords)
|
|
{
|
|
status = GLUCOSE_ERR_IN_PROGRESS;
|
|
}
|
|
// if CCC not configured for glucose measurement
|
|
else if ( opcode == CTL_PNT_OP_REQ &&
|
|
!( GATTServApp_ReadCharCfg( connHandle, glucoseMeasConfig ) & GATT_CLIENT_CFG_NOTIFY ) )
|
|
{
|
|
status = GLUCOSE_ERR_CCC_CONFIG;
|
|
}
|
|
else
|
|
{
|
|
(*glucoseServiceCB)(GLUCOSE_CTL_PNT_CMD, pValue, len);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
status = ATT_ERR_INVALID_VALUE_SIZE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
status = ATT_ERR_ATTR_NOT_FOUND;
|
|
break;
|
|
}
|
|
|
|
return ( status );
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn glucose_HandleConnStatusCB
|
|
*
|
|
* @brief Simple Profile link status change handler function.
|
|
*
|
|
* @param connHandle - connection handle
|
|
* @param changeType - type of change
|
|
*
|
|
* @return none
|
|
*/
|
|
static void glucose_HandleConnStatusCB( uint16 connHandle, uint8 changeType )
|
|
{
|
|
// Make sure this is not loopback connection
|
|
if ( connHandle != LOOPBACK_CONNHANDLE )
|
|
{
|
|
// Reset Client Char Config if connection has dropped
|
|
if ( ( changeType == LINKDB_STATUS_UPDATE_REMOVED ) ||
|
|
( ( changeType == LINKDB_STATUS_UPDATE_STATEFLAGS ) &&
|
|
( !linkDB_Up( connHandle ) ) ) )
|
|
{
|
|
GATTServApp_InitCharCfg( connHandle, glucoseMeasConfig );
|
|
GATTServApp_InitCharCfg( connHandle, glucoseContextConfig );
|
|
GATTServApp_InitCharCfg( connHandle, glucoseControlConfig );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
*********************************************************************/
|