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ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/blps/blps_api.h
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/*************************************************************************************************/
/*!
* \file
*
* \brief Blood Pressure profile sensor.
*
* 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 BLPS_API_H
#define BLPS_API_H
#include "wsf_timer.h"
#include "att_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*! \addtogroup BLOOD_PRESSURE_PROFILE
* \{ */
/**************************************************************************************************
Data Types
**************************************************************************************************/
/*! \brief Configurable parameters */
typedef struct
{
wsfTimerTicks_t period; /*!< \brief Measurement timer expiration period in ms */
} blpsCfg_t;
/*************************************************************************************************/
/*!
* \brief Initialize the Blood Pressure profile sensor.
*
* \param handlerId WSF handler ID of the application using this service.
* \param pCfg Configurable parameters.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsInit(wsfHandlerId_t handlerId, blpsCfg_t *pCfg);
/*************************************************************************************************/
/*!
* \brief Start periodic blood pressure measurement. This function starts a timer to perform
* periodic measurements.
*
* \param connId DM connection identifier.
* \param timerEvt WSF event designated by the application for the timer.
* \param icpCccIdx Index of intermediate cuff pressure CCC descriptor in CCC descriptor
* handle table.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasStart(dmConnId_t connId, uint8_t timerEvt, uint8_t icpCccIdx);
/*************************************************************************************************/
/*!
* \brief Stop periodic blood pressure measurement.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasStop(void);
/*************************************************************************************************/
/*!
* \brief Blood pressure measurement complete.
*
* \param connId DM connection identifier.
* \param bpmCccIdx Index of blood pressure measurement CCC descriptor in CCC descriptor
* handle table.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasComplete(dmConnId_t connId, uint8_t bpmCccIdx);
/*************************************************************************************************/
/*!
* \brief This function is called by the application when the periodic measurement
* timer expires.
*
* \param pMsg Event message.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsProcMsg(wsfMsgHdr_t *pMsg);
/*************************************************************************************************/
/*!
* \brief Set the blood pressure measurement flags.
*
* \param flags Blood pressure measurement flags.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsSetBpmFlags(uint8_t flags);
/*************************************************************************************************/
/*!
* \brief Set the intermediate cuff pressure flags.
*
* \param flags Intermediate cuff pressure flags.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsSetIcpFlags(uint8_t flags);
/*! \} */ /* BLOOD_PRESSURE_PROFILE */
#ifdef __cplusplus
};
#endif
#endif /* BLPS_API_H */
ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/blps/blps_main.c
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/*************************************************************************************************/
/*!
* \file
*
* \brief Blood Pressure profile sensor.
*
* 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 "wsf_types.h"
#include "wsf_assert.h"
#include "wsf_trace.h"
#include "util/bstream.h"
#include "att_api.h"
#include "svc_ch.h"
#include "svc_bps.h"
#include "app_api.h"
#include "app_hw.h"
#include "blps_api.h"
/**************************************************************************************************
Local Variables
**************************************************************************************************/
/* Control block */
static struct
{
wsfTimer_t measTimer; /* periodic measurement timer */
appBpm_t bpm; /* blood pressure measurement */
blpsCfg_t cfg; /* configurable parameters */
uint8_t bpmFlags; /* blood pressure measurement flags */
uint8_t icpFlags; /* intermediate cuff pressure flags */
} blpsCb;
/*************************************************************************************************/
/*!
* \brief Build a blood pressure measurement characteristic.
*
* \param pBuf Pointer to buffer to hold the built blood pressure measurement characteristic.
* \param pBpm Blood pressure measurement values.
*
* \return Length of pBuf in bytes.
*/
/*************************************************************************************************/
static uint8_t blpsBuildBpm(uint8_t *pBuf, appBpm_t *pBpm)
{
uint8_t *p = pBuf;
uint8_t flags = pBpm->flags;
/* flags */
UINT8_TO_BSTREAM(p, flags);
/* measurement */
UINT16_TO_BSTREAM(p, pBpm->systolic);
UINT16_TO_BSTREAM(p, pBpm->diastolic);
UINT16_TO_BSTREAM(p, pBpm->map);
/* time stamp */
if (flags & CH_BPM_FLAG_TIMESTAMP)
{
UINT16_TO_BSTREAM(p, pBpm->timestamp.year);
UINT8_TO_BSTREAM(p, pBpm->timestamp.month);
UINT8_TO_BSTREAM(p, pBpm->timestamp.day);
UINT8_TO_BSTREAM(p, pBpm->timestamp.hour);
UINT8_TO_BSTREAM(p, pBpm->timestamp.min);
UINT8_TO_BSTREAM(p, pBpm->timestamp.sec);
}
/* pulse rate */
if (flags & CH_BPM_FLAG_PULSE_RATE)
{
UINT16_TO_BSTREAM(p, pBpm->pulseRate);
}
/* user id */
if (flags & CH_BPM_FLAG_USER_ID)
{
UINT8_TO_BSTREAM(p, pBpm->userId);
}
/* measurement status */
if (flags & CH_BPM_FLAG_MEAS_STATUS)
{
UINT16_TO_BSTREAM(p, pBpm->measStatus);
}
/* return length */
return (uint8_t) (p - pBuf);
}
/*************************************************************************************************/
/*!
* \brief Initialize the Blood Pressure profile sensor.
*
* \param handerId WSF handler ID of the application using this service.
* \param pCfg Configurable parameters.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsInit(wsfHandlerId_t handlerId, blpsCfg_t *pCfg)
{
blpsCb.measTimer.handlerId = handlerId;
blpsCb.cfg = *pCfg;
}
/*************************************************************************************************/
/*!
* \brief Start periodic blood pressure measurement. This function starts a timer to perform
* periodic measurements.
*
* \param connId DM connection identifier.
* \param timerEvt WSF event designated by the application for the timer.
* \param icpCccIdx Index of intermediate cuff pressure CCC descriptor in CCC descriptor
* handle table.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasStart(dmConnId_t connId, uint8_t timerEvt, uint8_t icpCccIdx)
{
/* initialize control block */
blpsCb.measTimer.msg.param = connId;
blpsCb.measTimer.msg.event = timerEvt;
blpsCb.measTimer.msg.status = icpCccIdx;
/* start timer */
WsfTimerStartMs(&blpsCb.measTimer, blpsCb.cfg.period);
}
/*************************************************************************************************/
/*!
* \brief Stop periodic blood pressure measurement.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasStop(void)
{
/* stop timer */
WsfTimerStop(&blpsCb.measTimer);
}
/*************************************************************************************************/
/*!
* \brief Blood pressure measurement complete.
*
* \param connId DM connection identifier.
* \param bpmCccIdx Index of blood pressure measurement CCC descriptor in CCC descriptor
* handle table.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsMeasComplete(dmConnId_t connId, uint8_t bpmCccIdx)
{
uint8_t buf[ATT_DEFAULT_PAYLOAD_LEN];
uint8_t len;
/* stop periodic measurement */
BlpsMeasStop();
/* if indications enabled */
if (AttsCccEnabled(connId, bpmCccIdx))
{
/* read blood pressure measurement sensor data */
AppHwBpmRead(FALSE, &blpsCb.bpm);
/* set flags */
blpsCb.bpm.flags = blpsCb.bpmFlags;
/* build blood pressure measurement characteristic */
len = blpsBuildBpm(buf, &blpsCb.bpm);
/* send blood pressure measurement indication */
AttsHandleValueInd(connId, BPS_BPM_HDL, len, buf);
}
}
/*************************************************************************************************/
/*!
* \brief This function is called by the application when the periodic measurement
* timer expires.
*
* \param pMsg Event message.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsProcMsg(wsfMsgHdr_t *pMsg)
{
uint8_t buf[ATT_DEFAULT_PAYLOAD_LEN];
uint8_t len;
/* if notifications enabled (note ccc idx is stored in hdr.status) */
if (AttsCccEnabled((dmConnId_t) pMsg->param, pMsg->status))
{
/* read blood pressure measurement sensor data */
AppHwBpmRead(TRUE, &blpsCb.bpm);
/* set flags */
blpsCb.bpm.flags = blpsCb.icpFlags;
/* build blood pressure measurement characteristic */
len = blpsBuildBpm(buf, &blpsCb.bpm);
/* send intermediate cuff pressure notification */
AttsHandleValueNtf((dmConnId_t) pMsg->param, BPS_ICP_HDL, len, buf);
/* restart timer */
WsfTimerStartMs(&blpsCb.measTimer, blpsCb.cfg.period);
}
}
/*************************************************************************************************/
/*!
* \brief Set the blood pressure measurement flags.
*
* \param flags Blood pressure measurement flags.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsSetBpmFlags(uint8_t flags)
{
blpsCb.bpmFlags = flags;
}
/*************************************************************************************************/
/*!
* \brief Set the intermediate cuff pressure flags.
*
* \param flags Intermediate cuff pressure flags.
*
* \return None.
*/
/*************************************************************************************************/
void BlpsSetIcpFlags(uint8_t flags)
{
blpsCb.icpFlags = flags;
}