578 lines
18 KiB
C
578 lines
18 KiB
C
/**************************************************************************************************
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Filename: bpservice.c
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Revised: $Date $
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Revision: $Revision $
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Description: This file contains the BloodPressure sample service
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for use with the BloodPressure 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 "bpservice.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 bloodPressure measurement value in attribute array
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#define BLOODPRESSURE_MEAS_VALUE_POS 2
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#define BLOODPRESSURE_MEAS_CONFIG_POS 3
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#define BLOODPRESSURE_IMEAS_VALUE_POS 6
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#define BLOODPRESSURE_IMEAS_CONFIG_POS 7
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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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// BloodPressure service
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CONST uint8 bloodPressureServUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(BLOODPRESSURE_SERV_UUID), HI_UINT16(BLOODPRESSURE_SERV_UUID)
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};
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// BloodPressure temperature characteristic
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CONST uint8 bloodPressureTempUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(BLOODPRESSURE_MEAS_UUID), HI_UINT16(BLOODPRESSURE_MEAS_UUID)
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};
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// BloodPressure Immediate Measurement
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CONST uint8 bloodPressureImeasUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(BLOODPRESSURE_IMEAS_UUID), HI_UINT16(BLOODPRESSURE_IMEAS_UUID)
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};
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// BloodPressure Feature
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CONST uint8 bpFeatureUUID[ATT_BT_UUID_SIZE] =
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{
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LO_UINT16(BLOODPRESSURE_FEATURE_UUID), HI_UINT16(BLOODPRESSURE_FEATURE_UUID)
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};
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/*********************************************************************
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* EXTERNAL VARIABLES
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*/
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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 bloodPressureServiceCB_t bloodPressureServiceCB;
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/*********************************************************************
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* Profile Attributes - variables
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*/
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// BloodPressure Service attribute
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static CONST gattAttrType_t bloodPressureService = { ATT_BT_UUID_SIZE, bloodPressureServUUID };
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// BloodPressure Characteristic
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static uint8 bloodPressureTempProps = GATT_PROP_INDICATE;
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static gattCharCfg_t bloodPressureMeasConfig[GATT_MAX_NUM_CONN];
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static uint8 bloodPressureTemp = 0;
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static uint8 bloodPressureTempFormat = 12;
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// Intermediate Measurement
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static uint8 bloodPressureImeasProps = GATT_PROP_NOTIFY;
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static uint8 bloodPressureImeas=0;
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static gattCharCfg_t bloodPressureIMeasConfig[GATT_MAX_NUM_CONN];
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// BP Feature
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/*
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bit 1 Body Movement Detection Support bit
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bit 2 Cuff Fit Detection Support bit
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bit 3 Irregular Pulse Detection Support bit
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bit 4 Pulse Rate Range Detection Support bit
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bit 5 Measurement Position Detection Support bit
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bit 6 Multiple Bond Support bit
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bit . Reserved for Future Use
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*/
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static uint8 bpFeatureProps = GATT_PROP_READ;
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static uint16 bpFeature = 0;
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/*********************************************************************
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* Profile Attributes - Table
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*/
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static gattAttribute_t bloodPressureAttrTbl[] =
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{
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// BloodPressure 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 *)&bloodPressureService /* 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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&bloodPressureTempProps
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},
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// 2. Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, bloodPressureTempUUID },
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0, //return READ_NOT_PERMITTED
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0,
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&bloodPressureTemp
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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 *)&bloodPressureMeasConfig
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},
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// 4.Presentation Format
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{
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{ ATT_BT_UUID_SIZE, charFormatUUID },
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GATT_PERMIT_READ,
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0,
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(uint8 *)&bloodPressureTempFormat
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},
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//////////////////////////////////////////////
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// IMMEDIATE MEASUREMENT
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//////////////////////////////////////////////
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// 5.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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&bloodPressureImeasProps
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},
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// 6.Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, bloodPressureImeasUUID },
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0, //return READ_NOT_PERMITTED
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0,
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&bloodPressureImeas
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},
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// 7.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 *)&bloodPressureIMeasConfig
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},
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//////////////////////////////////////////////
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// FEATURE
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//////////////////////////////////////////////
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// 8.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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&bpFeatureProps
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},
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// 9.Characteristic Value
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{
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{ ATT_BT_UUID_SIZE, bpFeatureUUID },
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GATT_PERMIT_READ,
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0,
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(uint8 *)&bpFeature
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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 bloodPressure_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 bloodPressure_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
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uint8 *pValue, uint8 len, uint16 offset );
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static void bloodPressure_HandleConnStatusCB( uint16 connHandle, uint8 changeType );
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/*********************************************************************
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* PROFILE CALLBACKS
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*/
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// Blood Pressure Service Callbacks
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CONST gattServiceCBs_t bloodPressureCBs =
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{
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bloodPressure_ReadAttrCB, // Read callback function pointer
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bloodPressure_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 BloodPressure_AddService
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*
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* @brief Initializes the BloodPressure 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 BloodPressure_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, bloodPressureMeasConfig );
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GATTServApp_InitCharCfg( INVALID_CONNHANDLE, bloodPressureIMeasConfig );
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// Register with Link DB to receive link status change callback
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VOID linkDB_Register( bloodPressure_HandleConnStatusCB );
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if ( services & BLOODPRESSURE_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( bloodPressureAttrTbl,
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GATT_NUM_ATTRS( bloodPressureAttrTbl ),
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&bloodPressureCBs );
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}
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return ( status );
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}
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/*********************************************************************
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* @fn BloodPressure_Register
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*
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* @brief Register a callback function with the BloodPressure Service.
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*
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* @param pfnServiceCB - Callback function.
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*
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* @return None.
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*/
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extern void BloodPressure_Register( bloodPressureServiceCB_t pfnServiceCB )
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{
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bloodPressureServiceCB = pfnServiceCB;
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}
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/*********************************************************************
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* @fn BloodPressure_SetParameter
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*
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* @brief Set a thermomter 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 BloodPressure_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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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 BloodPressure_GetParameter
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*
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* @brief Get a BloodPressure 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 BloodPressure_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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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 BloodPressure_MeasIndicate
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*
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* @brief Send a indication containing a bloodPressure
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* 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 BloodPressure_MeasIndicate( uint16 connHandle, attHandleValueInd_t *pNoti,uint8 taskId )
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{
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uint16 value = GATTServApp_ReadCharCfg( connHandle, bloodPressureMeasConfig );
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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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pNoti->handle = bloodPressureAttrTbl[BLOODPRESSURE_MEAS_VALUE_POS].handle;
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// Send the Indication
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return GATT_Indication( connHandle, pNoti, FALSE, taskId );
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}
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return bleIncorrectMode;
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}
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/*********************************************************************
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* @fn BloodPressure_IMeasNotify
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*
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* @brief Send a notification containing a bloodPressure
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* 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 BloodPressure_IMeasNotify( uint16 connHandle, attHandleValueNoti_t *pNoti, uint8 taskId )
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{
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uint16 value = GATTServApp_ReadCharCfg( connHandle, bloodPressureIMeasConfig );
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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 = bloodPressureAttrTbl[BLOODPRESSURE_IMEAS_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 bleIncorrectMode;
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}
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/*********************************************************************
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* @fn bloodPressure_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 bloodPressure_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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// If attribute permissions require authorization to read, return error
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if ( gattPermitAuthorRead( pAttr->permissions ) )
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{
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// Insufficient authorization
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return ( ATT_ERR_INSUFFICIENT_AUTHOR );
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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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case BLOODPRESSURE_FEATURE_UUID:
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{
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*pLen = 2;
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pValue[0] = 0;
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pValue[1] = 0;
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}
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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 bloodPressure_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 bloodPressure_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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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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case GATT_CLIENT_CHAR_CFG_UUID:
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if ( pAttr->handle == bloodPressureAttrTbl[BLOODPRESSURE_MEAS_CONFIG_POS].handle )
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{
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// BloodPressure Indications
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status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
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offset, GATT_CLIENT_CFG_INDICATE );
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if ( status == SUCCESS )
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{
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uint16 value = BUILD_UINT16( pValue[0], pValue[1] );
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(*bloodPressureServiceCB)( (value == GATT_CFG_NO_OPERATION) ?
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BLOODPRESSURE_MEAS_NOTI_DISABLED :
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BLOODPRESSURE_MEAS_NOTI_ENABLED);
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}
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}
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else if ( pAttr->handle == bloodPressureAttrTbl[BLOODPRESSURE_IMEAS_CONFIG_POS].handle )
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{
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// BloodPressure Notifications
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status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
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offset, GATT_CLIENT_CFG_NOTIFY );
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if ( status == SUCCESS )
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{
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uint16 value = BUILD_UINT16( pValue[0], pValue[1] );
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(*bloodPressureServiceCB)( (value == GATT_CFG_NO_OPERATION) ?
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BLOODPRESSURE_IMEAS_NOTI_DISABLED :
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BLOODPRESSURE_IMEAS_NOTI_ENABLED );
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}
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}
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else
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{
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status = ATT_ERR_INVALID_HANDLE;
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}
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break;
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default:
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status = ATT_ERR_ATTR_NOT_FOUND;
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break;
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}
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return ( status );
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}
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/*********************************************************************
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* @fn bloodPressure_HandleConnStatusCB
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*
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* @brief Simple Profile link status change handler function.
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*
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* @param connHandle - connection handle
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* @param changeType - type of change
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*
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* @return none
|
|
*/
|
|
static void bloodPressure_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, bloodPressureMeasConfig );
|
|
GATTServApp_InitCharCfg( connHandle, bloodPressureIMeasConfig );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
*********************************************************************/
|