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bless/cy_ble_hrs.c

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/***************************************************************************//**
* \file cy_ble_hrs.c
* \version 3.60
*
* \brief
* This file contains the source code for the Heart Rate service.
*
********************************************************************************
* \copyright
* Copyright 2017-2021, Cypress Semiconductor Corporation. All rights reserved.
* You may use this file only in accordance with the license, terms, conditions,
* disclaimers, and limitations in the end user license agreement accompanying
* the software package with which this file was provided.
*******************************************************************************/
#include "cy_ble_event_handler.h"
#if defined(CY_IP_MXBLESS)
#if CY_BLE_LIB_HOST_CORE
/*******************************************************************************
* Internal Defines / Macro Functions
*******************************************************************************/
#define CY_BLE_HRS_IS_BSL_SUPPORTED \
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_hrssConfigPtr->attrInfo->charHandle[CY_BLE_HRS_BSL])
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HRS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_HRSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_HRSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_HRSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_HRSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_HRSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_HRSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_HRSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam);
/*******************************************************************************
* Global Variables
*******************************************************************************/
/* The pointers to the callback functions */
static cy_ble_callback_t Cy_BLE_HRS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_HRSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_HRSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_hrscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE HRS server config structure */
const cy_stc_ble_hrss_config_t *cy_ble_hrssConfigPtr = NULL;
/* The pointer to a global BLE HRS client config structure */
const cy_stc_ble_hrsc_config_t *cy_ble_hrscConfigPtr = NULL;
/******************************************************************************
* Function Name: Cy_BLE_HRSS_Init
***************************************************************************//**
*
* This function initializes server of the Heart Rate service.
*
* \param config: Configuration structure for the HRS.
*
* \return
* \ref cy_en_ble_api_result_t : Return value indicates whether the function succeeded or
* failed. The following are possible error codes.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The function completed successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | On specifying NULL as input parameter.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Buffer overflow in the registration callback.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSS_Init(const cy_stc_ble_hrss_config_t *config)
{
cy_en_ble_api_result_t apiResult;
if(config == NULL)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
/* Registers a pointer to config structure */
cy_ble_hrssConfigPtr = config;
/* Registers event handler for the HRS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HRS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_HRSS_EventHandlerCallback = &Cy_BLE_HRSS_EventHandler;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_Init
***************************************************************************//**
*
* This function initializes client of the Heart Rate service.
*
* \param config: Configuration structure for the HRS.
*
* \return
* \ref cy_en_ble_api_result_t : Return value indicates whether the function succeeded or
* failed. The following are possible error codes.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The function completed successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | On specifying NULL as input parameter.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Buffer overflow in the registration callback.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSC_Init(const cy_stc_ble_hrsc_config_t *config)
{
cy_en_ble_api_result_t apiResult;
if((config == NULL) || ((cy_ble_configPtr->params->gattRole & CY_BLE_GATT_CLIENT) == 0u))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
uint32_t idx;
/* Registers a pointer to config structure */
cy_ble_hrscConfigPtr = config;
/* Registers event handler for the HRS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HRS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_HRSC_EventHandlerCallback = &Cy_BLE_HRSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 hrsServIdx = cy_ble_hrscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hrsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to HRS client structure */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(hrscPtr, 0, sizeof(cy_stc_ble_hrsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hrsServIdx].uuid =
CY_BLE_UUID_HEART_RATE_SERVICE;
}
cy_ble_hrscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRS_RegisterAttrCallback
***************************************************************************//**
*
* Registers a callback function for service-specific attribute operations.
* Service-specific Write Requests from the peer device will not be handled with
* an unregistered callback function.
*
* \param callbackFunc: An application layer event callback function to receive
* events from the PSoC 6 BLE Middleware. The definition of \ref cy_ble_callback_t
* for HRS service is:<br>
* typedef void (* cy_ble_callback_t) (uint32_t eventCode, void *eventParam),
* where:
* * eventCode: Indicates the event that triggered this callback
* (e.g. #CY_BLE_EVT_HRSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_hrs_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_HRS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_HRS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of Heart Rate service, which is a value
* identified by charIndex, to the local database.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* stored in the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE| An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSS_SetCharacteristicValue(cy_en_ble_hrs_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if(charIndex >= CY_BLE_HRS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if((charIndex == CY_BLE_HRS_BSL) && (!CY_BLE_HRS_IS_BSL_SUPPORTED))
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Store characteristic value into GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hrssConfigPtr->attrInfo->charHandle[charIndex];
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of Heart Rate service. The value is
* identified by charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the location where characteristic value data
* should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSS_GetCharacteristicValue(cy_en_ble_hrs_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if(charIndex >= CY_BLE_HRS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if((charIndex == CY_BLE_HRS_BSL) && (!CY_BLE_HRS_IS_BSL_SUPPORTED))
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get characteristic value from GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hrssConfigPtr->attrInfo->charHandle[charIndex];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.flags = CY_BLE_GATT_DB_READ | CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.offset = 0u;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets the local characteristic descriptor of the specified Heart Rate
* service characteristic.
*
* \param connHandle: The connection handle
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hrs_descr_index_t.
* \param attrSize: The size of the descriptor value attribute. The Heart Rate
* Measurement characteristic client configuration descriptor has
* 2 bytes length.
* \param attrValue: The pointer to the location where characteristic descriptor
* value data should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional descriptor is absent.
*
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex,
cy_en_ble_hrs_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
if((charIndex >= CY_BLE_HRS_CHAR_COUNT) || (descrIndex >= CY_BLE_HRS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if((charIndex != CY_BLE_HRS_HRM) || (descrIndex != CY_BLE_HRS_HRM_CCCD))
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get data from database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hrssConfigPtr->attrInfo->hrmCccdHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.flags = CY_BLE_GATT_DB_READ | CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.offset = 0u;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
apiResult = CY_BLE_SUCCESS;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_SendNotification
***************************************************************************//**
*
* Sends notification of a specified Heart Rate service characteristic value
* to the client device. No response is expected.
*
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_HRSC_NOTIFICATION event
* at the GATT Client's end.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* sent to the client device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_NTF_DISABLED | Notification is not enabled by the client.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send Notification if it is enabled and connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(charIndex >= CY_BLE_HRS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if((cy_ble_hrssConfigPtr->attrInfo->hrmCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
|| (!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, cy_ble_hrssConfigPtr->attrInfo->hrmCccdHandle)))
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ntf_t ntfReqParam;
ntfReqParam.handleValPair.attrHandle = cy_ble_hrssConfigPtr->attrInfo->charHandle[charIndex];
ntfReqParam.handleValPair.value.val = attrValue;
ntfReqParam.handleValPair.value.len = attrSize;
ntfReqParam.connHandle = connHandle;
/* Send notification to client using previously filled structure */
apiResult = Cy_BLE_GATTS_Notification(&ntfReqParam);
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_WriteEventHandler
***************************************************************************//**
*
* Handles the Heart Rate Measurement Client Configuration Characteristic
* descriptor Write event or Control Point Characteristic Write event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
uint32_t eventCode = 0u;
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
cy_stc_ble_hrs_char_value_t locCharIndex;
locCharIndex.connHandle = eventParam->connHandle;
locCharIndex.value = NULL;
if(eventParam->handleValPair.attrHandle == cy_ble_hrssConfigPtr->attrInfo->hrmCccdHandle)
{
locCharIndex.charIndex = CY_BLE_HRS_HRM;
/* Heart Rate Measurement characteristic descriptor Write Request */
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
eventCode = (uint32_t)CY_BLE_EVT_HRSS_NOTIFICATION_ENABLED;
}
else
{
eventCode = (uint32_t)CY_BLE_EVT_HRSS_NOTIFICATION_DISABLED;
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hrssConfigPtr->attrInfo->charHandle[CY_BLE_HRS_CPT])
{
locCharIndex.charIndex = CY_BLE_HRS_CPT;
/* Heart Rate Control Point characteristic Write Request */
if(CY_BLE_HRS_RESET_ENERGY_EXPENDED == eventParam->handleValPair.value.val[0u])
{
eventCode = (uint32_t)CY_BLE_EVT_HRSS_ENERGY_EXPENDED_RESET;
}
else
{
gattErr = CY_BLE_GATT_ERR_HEART_RATE_CONTROL_POINT_NOT_SUPPORTED;
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* Heart Rate service doesn't support any other Write Requests */
}
if(0u != eventCode)
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair = eventParam->handleValPair;
dbAttrValInfo.connHandle = eventParam->connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_PEER_INITIATED;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
if(Cy_BLE_HRS_ApplCallback != NULL)
{
Cy_BLE_HRS_ApplCallback(eventCode, &locCharIndex);
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTS_WRITE_REQ, eventParam);
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_SetCharacteristicValue
***************************************************************************//**
*
* This function is used to write the characteristic value attribute
* (identified by charIndex) to the server. The Write Response just confirms
* the operation success.
*
* This function call can result in generation of the following events based on
* the response from the server device:
* * \ref CY_BLE_EVT_HRSC_WRITE_CHAR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HRS service-specific callback is registered
* with \ref Cy_BLE_HRS_RegisterAttrCallback():
* * #CY_BLE_EVT_HRSC_WRITE_CHAR_RESPONSE - In case if the requested attribute is
* successfully written on the peer device, the details
* (charIndex, etc.) are provided with event parameter structure
* of type \ref cy_stc_ble_hrs_char_value_t.
* .
* Otherwise (if the HRS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_WRITE_RSP - In case if the requested attribute is
* successfully written on the peer device.
*
* * #CY_BLE_EVT_GATTC_ERROR_RSP - In case if an error occurred with the
* requested attribute on the peer device, the details are provided with event
* parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HRS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount) ||
((charIndex == CY_BLE_HRS_CPT) && (attrSize > CY_BLE_HRS_CPT_CHAR_LEN)))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hrscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((CY_BLE_CHAR_PROP_WRITE & hrscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = hrscPtr->charInfo[charIndex].valueHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hrscReqHandle[discIdx] = hrscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_GetCharacteristicValue
***************************************************************************//**
*
* Sends a request to the peer device to get a characteristic value, as
* identified by its charIndex.
*
* The Read Response returns the characteristic Value in the Attribute Value
* parameter.
*
* The Read Response only contains the characteristic Value that is less than or
* equal to (MTU - 1) octets in length. If the characteristic Value is greater
* than (MTU - 1) octets in length, the Read Long Characteristic Value procedure
* may be used if the rest of the characteristic Value is required.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HRS service-specific callback is registered
* with \ref Cy_BLE_HRS_RegisterAttrCallback():
* * #CY_BLE_EVT_HRSC_READ_CHAR_RESPONSE - In case if the requested attribute is
* successfully read on the peer device, the details
* (charIndex , value, etc.) are provided with event parameter structure
* of type \ref cy_stc_ble_hrs_char_value_t.
* .
* Otherwise (if an HRS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_READ_RSP - If the requested attribute is
* successfully read on the peer device, the details (handle, value, etc.) are
* provided with an event parameter structure
* \ref cy_stc_ble_gattc_read_rsp_param_t.
*
* * #CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided with
* an event parameter structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HRS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hrscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((CY_BLE_CHAR_PROP_READ & hrscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = hrscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hrscReqHandle[discIdx] = hrscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* This function is used to write the characteristic Value to the server, which
* is identified by charIndex.
*
* This function call can result in generation of the following events based on
* the response from the server device:
* * \ref CY_BLE_EVT_HRSC_WRITE_DESCR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* One of the following events are received by the peer device, on invoking
* this function:
* * \ref CY_BLE_EVT_HRSS_NOTIFICATION_ENABLED
* * \ref CY_BLE_EVT_HRSS_NOTIFICATION_DISABLED
* * \ref CY_BLE_EVT_HRSS_ENERGY_EXPENDED_RESET
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hrs_descr_index_t.* \param attrSize: The size of the characteristic descriptor value attribute.
* \param attrValue: The pointer to the characteristic descriptor value data that
* should be sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HRS service-specific callback is registered
* with \ref Cy_BLE_HRS_RegisterAttrCallback():
* * #CY_BLE_EVT_HRSC_WRITE_DESCR_RESPONSE - In case if the requested attribute is
* successfully written on the peer device, the details
* (charIndex, descrIndex etc.) are provided with event parameter structure
* of type \ref cy_stc_ble_hrs_descr_value_t.
* .
* Otherwise (if an HRS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_WRITE_RSP - If the requested attribute is
* successfully written on the peer device.
*
* * #CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided with
* an event parameter structure ( \ref cy_stc_ble_gatt_err_param_t).
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex,
cy_en_ble_hrs_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HRS_CHAR_COUNT) || (descrIndex >= CY_BLE_HRS_DESCR_COUNT) ||
(attrSize != CY_BLE_CCCD_LEN) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(charIndex != CY_BLE_HRS_HRM)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else if(hrscPtr->hrmCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = hrscPtr->hrmCccdHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = CY_BLE_CCCD_LEN;
writeReqParam.connHandle = connHandle;
/* ... and send request to server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hrscReqHandle[discIdx] = hrscPtr->hrmCccdHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of a specified characteristic of the service.
*
* This function call can result in generation of the following events based on
* the response from the server device:
* * \ref CY_BLE_EVT_HRSC_READ_DESCR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hrs_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hrs_descr_index_t.*
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | This operation is not permitted on the specified attribute.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have
* the particular descriptor
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HRS service-specific callback is registered
* with \ref Cy_BLE_HRS_RegisterAttrCallback():
* * #CY_BLE_EVT_HRSC_READ_DESCR_RESPONSE - In case if the requested attribute is
* successfully read on the peer device, the details (charIndex,
* descrIndex, value, etc.) are provided with event parameter structure
* of type \ref cy_stc_ble_hrs_descr_value_t.
* .
* Otherwise (if an HRS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_READ_RSP - If the requested attribute is
* successfully read on the peer device, the details (handle, value, etc.) are
* provided with an event parameter structure
* \ref cy_stc_ble_gattc_read_rsp_param_t.
*
* * #CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided with
* an event parameter structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HRSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hrs_char_index_t charIndex,
cy_en_ble_hrs_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HRS_CHAR_COUNT) || (descrIndex >= CY_BLE_HRS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(charIndex != CY_BLE_HRS_HRM)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else if(hrscPtr->hrmCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = hrscPtr->hrmCccdHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hrscReqHandle[discIdx] = hrscPtr->hrmCccdHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_DiscoverCharacteristicsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_READ_BY_TYPE_RSP
* event. Based on the service UUID, an appropriate data structure is populated
* using the data received as part of the callback.
*
* \param discCharInfo: The pointer to a characteristic information structure.
*
*
******************************************************************************/
static void Cy_BLE_HRSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* Heart Rate service characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_hrscCharUuid[CY_BLE_HRS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_HR_MSRMT,
CY_BLE_UUID_CHAR_BODY_SENSOR_LOC,
CY_BLE_UUID_CHAR_HR_CNTRL_POINT
};
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t hrsDiscIdx = cy_ble_hrscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == hrsDiscIdx))
{
for(i = 0u; i < (uint32_t)CY_BLE_HRS_CHAR_COUNT; i++)
{
if(cy_ble_hrscCharUuid[i] == discCharInfo->uuid.uuid16)
{
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(hrscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
hrscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle;
hrscPtr->charInfo[i].properties = discCharInfo->properties;
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo);
}
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_READ_BY_TYPE_RSP
* event. Based on the service UUID, an appropriate data structure is populated
* using the data received as part of the callback.
*
* \param discDescrInfo: The pointer to a descriptor information structure.
*
******************************************************************************/
static void Cy_BLE_HRSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t hrsDiscIdx = cy_ble_hrscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == hrsDiscIdx)
{
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(hrscPtr->hrmCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
hrscPtr->hrmCccdHandle = discDescrInfo->descrHandle;
}
else /* Duplication of descriptor */
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_DESCR_DUPLICATION, &discDescrInfo);
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_GetCharRange
***************************************************************************//**
*
* Returns a possible range of the current characteristic descriptor via
* input parameter charRangeInfo->range
*
* \param *charRangeInfo: The pointer to a descriptor range information structure.
*
******************************************************************************/
static void Cy_BLE_HRSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t hrsDiscIdx = cy_ble_hrscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == hrsDiscIdx)
{
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
if(cy_ble_configPtr->context->discovery[discIdx].charCount == 0u)
{
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
uint32_t locServCount = cy_ble_configPtr->context->discovery[discIdx].servCount;
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
/* Read characteristic range */
charRangeInfo->range.startHandle = hrscPtr->charInfo[CY_BLE_HRS_HRM].valueHandle + 1u;
charRangeInfo->range.endHandle = cy_ble_configPtr->context->
serverInfo[(discIdx * discServiNum) + locServCount].range.endHandle;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_NotificationEventHandler
***************************************************************************//**
*
* Handles the Notification event.
*
* \param eventParam: The pointer to a data structure specified by the event.
*
*
******************************************************************************/
static void Cy_BLE_HRSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) &&
(hrscPtr->charInfo[CY_BLE_HRS_HRM].valueHandle == eventParam->handleValPair.attrHandle))
{
if(Cy_BLE_HRS_ApplCallback != NULL)
{
cy_stc_ble_hrs_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = CY_BLE_HRS_HRM;
locCharValue.value = &eventParam->handleValPair.value;
Cy_BLE_HRS_ApplCallback((uint32_t)CY_BLE_EVT_HRSC_NOTIFICATION, &locCharValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles the Read Response event.
*
* \param eventParam: The pointer to the data structure.
*
*
******************************************************************************/
static void Cy_BLE_HRSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HRS_ApplCallback != NULL) &&
(cy_ble_hrscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(hrscPtr->charInfo[CY_BLE_HRS_BSL].valueHandle == cy_ble_hrscReqHandle[discIdx])
{
cy_stc_ble_hrs_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = CY_BLE_HRS_BSL;
locCharValue.value = &eventParam->value;
cy_ble_hrscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_HRS_ApplCallback((uint32_t)CY_BLE_EVT_HRSC_READ_CHAR_RESPONSE, &locCharValue);
}
else if(hrscPtr->hrmCccdHandle == cy_ble_hrscReqHandle[discIdx])
{
cy_stc_ble_hrs_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = CY_BLE_HRS_HRM;
locDescrValue.descrIndex = CY_BLE_HRS_HRM_CCCD;
locDescrValue.value = &eventParam->value;
cy_ble_hrscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_HRS_ApplCallback((uint32_t)CY_BLE_EVT_HRSC_READ_DESCR_RESPONSE, &locDescrValue);
}
else
{
/* No any more read response handles */
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles the Write Response event.
*
* \param eventParam: The pointer to a data structure specified by the event.
*
*
******************************************************************************/
static void Cy_BLE_HRSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(*eventParam);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HRS_ApplCallback != NULL) &&
(cy_ble_hrscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to HRS client structure with attribute handles */
cy_stc_ble_hrsc_t *hrscPtr = (cy_stc_ble_hrsc_t *)&cy_ble_hrscConfigPtr->attrInfo[discIdx];
if(hrscPtr->charInfo[CY_BLE_HRS_CPT].valueHandle == cy_ble_hrscReqHandle[discIdx])
{
cy_stc_ble_hrs_char_value_t locCharIndex;
locCharIndex.connHandle = *eventParam;
locCharIndex.charIndex = CY_BLE_HRS_CPT;
locCharIndex.value = NULL;
cy_ble_hrscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_HRS_ApplCallback((uint32_t)CY_BLE_EVT_HRSC_WRITE_CHAR_RESPONSE, &locCharIndex);
}
if(hrscPtr->hrmCccdHandle == cy_ble_hrscReqHandle[discIdx])
{
cy_stc_ble_hrs_descr_value_t locDescIndex;
locDescIndex.connHandle = *eventParam;
locDescIndex.charIndex = CY_BLE_HRS_HRM;
locDescIndex.descrIndex = CY_BLE_HRS_HRM_CCCD;
locDescIndex.value = NULL;
cy_ble_hrscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_HRS_ApplCallback((uint32_t)CY_BLE_EVT_HRSC_WRITE_DESCR_RESPONSE, &locDescIndex);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles the Error Response event.
*
* \param eventParam: Pointer to the data structure specified by the event.
*
*
******************************************************************************/
static void Cy_BLE_HRSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam)
{
if(eventParam != NULL)
{
if(cy_ble_hrscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] == eventParam->errInfo.attrHandle)
{
cy_ble_hrscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HRS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the Heart Rate service.
*
* \param eventCode: the event code
* \param eventParam: the event parameters
*
* \return
* A return value of type cy_en_ble_gatt_err_code_t.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HRS_EventHandler(uint32_t eventCode,
void *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
/************************************
* Handling GATT Server events
***********************************/
if(Cy_BLE_HRSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_HRSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_HRSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_HRSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the Heart Rate service
*
* \param eventCode: the event code
* \param eventParam: the event parameters
*
* \return
* A return value of type cy_en_ble_gatt_err_code_t.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSS_EventHandler(uint32_t eventCode, void *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
/* Handling GATT Server events */
switch((cy_en_ble_event_t)eventCode)
{
case CY_BLE_EVT_GATTS_WRITE_REQ:
gattErr = Cy_BLE_HRSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HRSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the Heart Rate service
*
* \param eventCode: the event code
* \param eventParam: the event parameters
*
* \return
* A return value of type cy_en_ble_gatt_err_code_t.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HRSC_EventHandler(uint32_t eventCode, void *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
if(eventCode > (uint32_t)CY_BLE_EVT_MAX)
{
/* Handling service-specific events */
switch((cy_en_ble_evt_t)eventCode)
{
/* Discovery events */
case CY_BLE_EVT_GATTC_DISC_CHAR:
Cy_BLE_HRSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_HRSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_HRSC_GetCharRange((cy_stc_ble_disc_range_info_t*)eventParam);
break;
default:
break;
}
}
else
{
/* Handling GATT Client events */
switch((cy_en_ble_event_t)eventCode)
{
case CY_BLE_EVT_GATTC_ERROR_RSP:
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(((cy_stc_ble_gatt_err_param_t*)eventParam)->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) &&
(cy_ble_configPtr->context->discovery[discIdx].autoDiscoveryFlag == 0u) &&
(((cy_stc_ble_gatt_err_param_t*)eventParam)->errInfo.errorCode != CY_BLE_GATT_ERR_ATTRIBUTE_NOT_FOUND))
{
Cy_BLE_HRSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_HRSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_HRSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_HRSC_WriteResponseEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
default:
break;
}
}
return(gattErr);
}
#endif /* CY_BLE_LIB_HOST_CORE */
#endif /* CY_IP_MXBLESS */
/* [] END OF FILE */