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ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/blpc/blpc_api.h
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/*************************************************************************************************/
/*!
* \file
*
* \brief Blood Pressure profile client.
*
* Copyright (c) 2012-2018 Arm Ltd.
*
* Copyright (c) 2019 Packetcraft, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*************************************************************************************************/
#ifndef BLPC_API_H
#define BLPC_API_H
#include "att_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*! \addtogroup BLOOD_PRESSURE_PROFILE
* \{ */
/**************************************************************************************************
Macros
**************************************************************************************************/
/*! \brief Blood Pressure service enumeration of handle indexes of characteristics to be discovered */
enum
{
BLPC_BPS_BPM_HDL_IDX, /*!< \brief Blood pressure measurement */
BLPC_BPS_BPM_CCC_HDL_IDX, /*!< \brief Blood pressure measurement CCC descriptor */
BLPC_BPS_ICP_HDL_IDX, /*!< \brief Intermediate cuff pressure */
BLPC_BPS_ICP_CCC_HDL_IDX, /*!< \brief Intermediate cuff pressure CCC descriptor */
BLPC_BPS_BPF_HDL_IDX, /*!< \brief Blood pressure feature */
BLPC_BPS_HDL_LIST_LEN /*!< \brief Handle list length */
};
/**************************************************************************************************
Function Declarations
**************************************************************************************************/
/*************************************************************************************************/
/*!
* \brief Perform service and characteristic discovery for Blood Pressure service.
* Parameter pHdlList must point to an array of length \ref BLPC_BPS_HDL_LIST_LEN.
* If discovery is successful the handles of discovered characteristics and
* descriptors will be set in pHdlList.
*
* \param connId Connection identifier.
* \param pHdlList Characteristic handle list.
*
* \return None.
*/
/*************************************************************************************************/
void BlpcBpsDiscover(dmConnId_t connId, uint16_t *pHdlList);
/*************************************************************************************************/
/*!
* \brief Process a value received in an ATT read response, notification, or indication
* message. Parameter pHdlList must point to an array of length \ref BLPC_BPS_HDL_LIST_LEN.
* If the ATT handle of the message matches a handle in the handle list the value
* is processed, otherwise it is ignored.
*
* \param pHdlList Characteristic handle list.
* \param pMsg ATT callback message.
*
* \return \ref ATT_SUCCESS if handle is found, \ref ATT_ERR_NOT_FOUND otherwise.
*/
/*************************************************************************************************/
uint8_t BlpcBpsValueUpdate(uint16_t *pHdlList, attEvt_t *pMsg);
/*! \} */ /* BLOOD_PRESSURE_PROFILE */
#ifdef __cplusplus
};
#endif
#endif /* BLPC_API_H */
ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/blpc/blpc_main.c
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/*************************************************************************************************/
/*!
* \file
*
* \brief Blood Pressure profile collector.
*
* Copyright (c) 2012-2018 Arm Ltd.
*
* Copyright (c) 2019 Packetcraft, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*************************************************************************************************/
#include <string.h>
#include "wsf_types.h"
#include "wsf_assert.h"
#include "wsf_trace.h"
#include "util/bstream.h"
#include "svc_ch.h"
#include "app_api.h"
#include "blpc_api.h"
/**************************************************************************************************
Local Variables
**************************************************************************************************/
/*!
* Blood Pressure service
*/
/* Characteristics for discovery */
/*! Blood pressure measurement */
static const attcDiscChar_t blpcBpsBpm =
{
attBpmChUuid,
ATTC_SET_REQUIRED
};
/*! Blood pressure measurement CCC descriptor */
static const attcDiscChar_t blpcBpsBpmCcc =
{
attCliChCfgUuid,
ATTC_SET_REQUIRED | ATTC_SET_DESCRIPTOR
};
/*! Intermediate cuff pressure */
static const attcDiscChar_t blpcBpsIcp =
{
attIcpChUuid,
0
};
/*! Intermediate cuff pressure CCC descriptor */
static const attcDiscChar_t blpcBpsIcpCcc =
{
attCliChCfgUuid,
ATTC_SET_DESCRIPTOR
};
/*! Blood pressure feature */
static const attcDiscChar_t blpcBpsBpf =
{
attBpfChUuid,
ATTC_SET_REQUIRED
};
/*! List of characteristics to be discovered; order matches handle index enumeration */
static const attcDiscChar_t *blpcBpsDiscCharList[] =
{
&blpcBpsBpm, /*! Blood pressure measurement */
&blpcBpsBpmCcc, /*! Blood pressure measurement CCC descriptor */
&blpcBpsIcp, /*! Intermediate cuff pressure */
&blpcBpsIcpCcc, /*! Intermediate cuff pressure CCC descriptor */
&blpcBpsBpf /*! Blood pressure feature */
};
/* sanity check: make sure handle list length matches characteristic list length */
WSF_CT_ASSERT(BLPC_BPS_HDL_LIST_LEN == ((sizeof(blpcBpsDiscCharList) / sizeof(attcDiscChar_t *))));
/*************************************************************************************************/
/*!
* \brief Parse a blood pressure measurement.
*
* \param pValue Pointer to buffer containing value.
* \param len length of buffer.
*
* \return None.
*/
/*************************************************************************************************/
void blpcBpsParseBpm(uint8_t *pValue, uint16_t len)
{
uint8_t flags;
uint16_t systolic, diastolic, map;
uint16_t year;
uint8_t month, day, hour, min, sec;
uint16_t pulseRate;
uint8_t userId;
uint16_t measStatus;
uint16_t minLen = CH_BPM_FLAGS_LEN + CH_BPM_MEAS_LEN;
/* Suppress unused variable compile warning */
(void)systolic; (void)diastolic; (void)map;
(void)year; (void)month; (void)day; (void)hour; (void)min; (void)sec;
(void)pulseRate; (void)userId; (void)measStatus;
if (len > 0)
{
/* get flags */
BSTREAM_TO_UINT8(flags, pValue);
/* determine expected minimum length based on flags */
if (flags & CH_BPM_FLAG_TIMESTAMP)
{
minLen += CH_BPM_TIMESTAMP_LEN;
}
if (flags & CH_BPM_FLAG_PULSE_RATE)
{
minLen += CH_BPM_PULSE_RATE_LEN;
}
if (flags & CH_BPM_FLAG_USER_ID)
{
minLen += CH_BPM_USER_ID_LEN;
}
if (flags & CH_BPM_FLAG_MEAS_STATUS)
{
minLen += CH_BPM_MEAS_STATUS_LEN;
}
}
/* verify length */
if (len < minLen)
{
APP_TRACE_INFO2("Blood Pressure meas len:%d minLen:%d", len, minLen);
return;
}
/* blood pressure */
BSTREAM_TO_UINT16(systolic, pValue);
BSTREAM_TO_UINT16(diastolic, pValue);
BSTREAM_TO_UINT16(map, pValue);
APP_TRACE_INFO3(" Systolic:0x%04x Diastolic:0x%04x MAP:0x%04x", systolic, diastolic, map);
/* timestamp */
if (flags & CH_BPM_FLAG_TIMESTAMP)
{
BSTREAM_TO_UINT16(year, pValue);
BSTREAM_TO_UINT8(month, pValue);
BSTREAM_TO_UINT8(day, pValue);
BSTREAM_TO_UINT8(hour, pValue);
BSTREAM_TO_UINT8(min, pValue);
BSTREAM_TO_UINT8(sec, pValue);
APP_TRACE_INFO3(" Date: %d/%d/%d", month, day, year);
APP_TRACE_INFO3(" Time: %02d:%02d:%02d", hour, min, sec);
}
/* pulse rate */
if (flags & CH_BPM_FLAG_PULSE_RATE)
{
BSTREAM_TO_UINT16(pulseRate, pValue);
APP_TRACE_INFO1(" Pulse rate:0x%04x", pulseRate);
}
/* user id */
if (flags & CH_BPM_FLAG_USER_ID)
{
BSTREAM_TO_UINT8(userId, pValue);
APP_TRACE_INFO1(" User ID:%d", userId);
}
/* measurement status */
if (flags & CH_BPM_FLAG_MEAS_STATUS)
{
BSTREAM_TO_UINT16(measStatus, pValue);
APP_TRACE_INFO1(" Meas. status:0x%04x", measStatus);
}
APP_TRACE_INFO1(" Flags:0x%02x", flags);
}
/*************************************************************************************************/
/*!
* \brief Perform service and characteristic discovery for Blood Pressure service. Parameter
* pHdlList must point to an array of length BLPC_BPS_HDL_LIST_LEN. If discovery is
* successful the handles of discovered characteristics and descriptors will be set
* in pHdlList.
*
* \param connId Connection identifier.
* \param pHdlList Characteristic handle list.
*
* \return None.
*/
/*************************************************************************************************/
void BlpcBpsDiscover(dmConnId_t connId, uint16_t *pHdlList)
{
AppDiscFindService(connId, ATT_16_UUID_LEN, (uint8_t *) attBpsSvcUuid,
BLPC_BPS_HDL_LIST_LEN, (attcDiscChar_t **) blpcBpsDiscCharList, pHdlList);
}
/*************************************************************************************************/
/*!
* \brief Process a value received in an ATT read response, notification, or indication
* message. Parameter pHdlList must point to an array of length BLPC_BPS_HDL_LIST_LEN.
* If the attribute handle of the message matches a handle in the handle list the value
* is processed, otherwise it is ignored.
*
* \param pHdlList Characteristic handle list.
* \param pMsg ATT callback message.
*
* \return ATT_SUCCESS if handle is found, ATT_ERR_NOT_FOUND otherwise.
*/
/*************************************************************************************************/
uint8_t BlpcBpsValueUpdate(uint16_t *pHdlList, attEvt_t *pMsg)
{
uint16_t feature;
uint8_t *p;
uint8_t status = ATT_SUCCESS;
/* Suppress unused variable compile warning */
(void)feature;
/* blood pressure measurement */
if (pMsg->handle == pHdlList[BLPC_BPS_BPM_HDL_IDX])
{
APP_TRACE_INFO0("BP measurement");
/* parse value */
blpcBpsParseBpm(pMsg->pValue, pMsg->valueLen);
}
/* intermediate cuff pressure */
else if (pMsg->handle == pHdlList[BLPC_BPS_ICP_HDL_IDX])
{
APP_TRACE_INFO0("BP intermed. cuff pressure");
/* parse value */
blpcBpsParseBpm(pMsg->pValue, pMsg->valueLen);
}
/* blood pressure feature */
else if (pMsg->handle == pHdlList[BLPC_BPS_BPF_HDL_IDX])
{
/* parse value */
p = pMsg->pValue;
BSTREAM_TO_UINT16(feature, p);
APP_TRACE_INFO1("BP feature:0x%04x", feature);
}
else
{
status = ATT_ERR_NOT_FOUND;
}
return status;
}