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ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/wspc/wspc_api.h
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/*************************************************************************************************/
/*!
* \file
*
* \brief Weight Scale 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 WSPC_API_H
#define WSPC_API_H
#include "att_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*! \addtogroup WEIGHT_SCALE_PROFILE
* \{ */
/**************************************************************************************************
Macros
**************************************************************************************************/
/*! \brief Weight Scale service enumeration of handle indexes of characteristics to be discovered */
enum
{
WSPC_WSS_WSM_HDL_IDX, /*!< \brief Weight scale measurement */
WSPC_WSS_WSM_CCC_HDL_IDX, /*!< \brief Weight scale measurement CCC descriptor */
WSPC_WSS_WSF_HDL_IDX, /*!< \brief Weight scale feature */
WSPC_WSS_HDL_LIST_LEN /*!< \brief Handle list length */
};
/**************************************************************************************************
Function Declarations
**************************************************************************************************/
/*************************************************************************************************/
/*!
* \brief Perform service and characteristic discovery for Weight Scale service.
* Parameter pHdlList must point to an array of length \ref WSPC_WSS_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 WspcWssDiscover(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 WSPC_WSS_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 WspcWssValueUpdate(uint16_t *pHdlList, attEvt_t *pMsg);
/*! \} */ /* WEIGHT_SCALE_PROFILE */
#ifdef __cplusplus
};
#endif
#endif /* WSPC_API_H */
ambiq-hal-sys/ambiq-sparkfun-sdk/third_party/exactle/ble-profiles/sources/profiles/wspc/wspc_main.c
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/*************************************************************************************************/
/*!
* \file
*
* \brief Weight Scale 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 "wspc_api.h"
/**************************************************************************************************
Local Variables
**************************************************************************************************/
/*!
* Weight Scale service characteristics for discovery
*/
/*! Weight scale measurement */
static const attcDiscChar_t wspcWssWsm =
{
attWmChUuid,
ATTC_SET_REQUIRED
};
/*! Weight scale measurement CCC descriptor */
static const attcDiscChar_t wspcWssWsmCcc =
{
attCliChCfgUuid,
ATTC_SET_REQUIRED | ATTC_SET_DESCRIPTOR
};
/*! Weight scale feature */
static const attcDiscChar_t wspcWssWsf =
{
attWsfChUuid,
ATTC_SET_REQUIRED
};
/*! List of characteristics to be discovered; order matches handle index enumeration */
static const attcDiscChar_t *wspcWssDiscCharList[] =
{
&wspcWssWsm, /*! Weight scale measurement */
&wspcWssWsmCcc, /*! Weight scale measurement CCC descriptor */
&wspcWssWsf /*! Weight scale feature */
};
/* sanity check: make sure handle list length matches characteristic list length */
WSF_CT_ASSERT(WSPC_WSS_HDL_LIST_LEN == ((sizeof(wspcWssDiscCharList) / sizeof(attcDiscChar_t *))));
/*************************************************************************************************/
/*!
* \brief Parse a weight scale measurement.
*
* \param pValue Pointer to buffer containing value.
* \param len length of buffer.
*
* \return None.
*/
/*************************************************************************************************/
void wspcWssParseWsm(uint8_t *pValue, uint16_t len)
{
uint8_t flags;
uint16_t weight;
uint16_t year;
uint8_t month, day, hour, min, sec;
uint16_t minLen = CH_WSM_FLAGS_LEN + CH_WSM_MEAS_LEN;
/* Suppress unused variable compile warning */
(void)month; (void)day; (void)hour; (void)min; (void)sec; (void)year; (void)weight;
if (len > 0)
{
/* get flags */
BSTREAM_TO_UINT8(flags, pValue);
/* determine expected minimum length based on flags */
if (flags & CH_WSM_FLAG_TIMESTAMP)
{
minLen += CH_WSM_TIMESTAMP_LEN;
}
}
/* verify length */
if (len < minLen)
{
APP_TRACE_INFO2("Weight Scale meas len:%d minLen:%d", len, minLen);
return;
}
/* weight */
BSTREAM_TO_UINT16(weight, pValue);
if (flags & CH_WSM_FLAG_UNITS_LBS)
{
APP_TRACE_INFO2(" Weight: %d.%02d", (weight / 100), (weight % 100));
}
else /* CH_WSM_FLAG_UNITS_KG */
{
APP_TRACE_INFO2(" Weight: %d.%03d", (weight / 200), ((weight % 200) * 5));
}
/* timestamp */
if (flags & CH_WSM_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);
}
APP_TRACE_INFO1(" Flags:0x%02x", flags);
}
/*************************************************************************************************/
/*!
* \brief Perform service and characteristic discovery for Weight Scale service. Parameter
* pHdlList must point to an array of length WSPC_WSS_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 WspcWssDiscover(dmConnId_t connId, uint16_t *pHdlList)
{
AppDiscFindService(connId, ATT_16_UUID_LEN, (uint8_t *) attWssSvcUuid,
WSPC_WSS_HDL_LIST_LEN, (attcDiscChar_t **) wspcWssDiscCharList, pHdlList);
}
/*************************************************************************************************/
/*!
* \brief Process a value received in an ATT read response, notification, or indication
* message. Parameter pHdlList must point to an array of length WSPC_WSS_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 WspcWssValueUpdate(uint16_t *pHdlList, attEvt_t *pMsg)
{
uint8_t status = ATT_SUCCESS;
/* weight scale measurement */
if (pMsg->handle == pHdlList[WSPC_WSS_WSM_HDL_IDX])
{
APP_TRACE_INFO0("Weight measurement");
/* parse value */
wspcWssParseWsm(pMsg->pValue, pMsg->valueLen);
}
else
{
status = ATT_ERR_NOT_FOUND;
}
return status;
}