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bless/cy_ble_bls.c

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/***************************************************************************//**
* \file cy_ble_bls.c
* \version 3.60
*
* \brief
* This file contains the source code for the Blood Pressure 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_BLS_IS_ICP_SUPPORTED \
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_blssConfigPtr->attrInfo->charInfo[CY_BLE_BLS_ICP].charHandle)
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_BLS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_BLSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_BLSC_EventHandler(uint32_t eventCode, void *eventParam);
static void Cy_BLE_BLSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_BLSS_WriteEventHandler(const cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_BLSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_BLSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_BLSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_BLSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_BLSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam);
static void Cy_BLE_BLSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_BLSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_BLSC_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_BLS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_BLSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_BLSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response for server */
static cy_ble_gatt_db_attr_handle_t cy_ble_blssReqHandle;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_blscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE BLS server config structure */
const cy_stc_ble_blss_config_t *cy_ble_blssConfigPtr = NULL;
/* The pointer to a global BLE BLS client config structure */
const cy_stc_ble_blsc_config_t *cy_ble_blscConfigPtr = NULL;
/******************************************************************************
* Function Name: Cy_BLE_BLSS_Init
***************************************************************************//**
*
* This function initializes server of the Blood Pressure service.
*
* \param config: Configuration structure for the BLS.
*
* \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_BLSS_Init(const cy_stc_ble_blss_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_blssConfigPtr = config;
/* Registers event handler for the BLS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_BLS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_BLSS_EventHandlerCallback = &Cy_BLE_BLSS_EventHandler;
cy_ble_blssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_Init
***************************************************************************//**
*
* This function initializes client of the Blood Pressure service.
*
* \param config: Configuration structure for the BLS.
*
* \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_BLSC_Init(const cy_stc_ble_blsc_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_blscConfigPtr = config;
/* Registers event handler for the BLS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_BLS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_BLSC_EventHandlerCallback = &Cy_BLE_BLSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 blsServIdx = cy_ble_blscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + blsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to BLS client structure */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(blscPtr, 0, sizeof(cy_stc_ble_blsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + blsServIdx].uuid =
CY_BLE_UUID_BLOOD_PRESSURE_SERVICE;
}
cy_ble_blscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLS_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 BLS 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_BLSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_bls_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_BLS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_BLS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a value of the characteristic which is identified by charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* stored to 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_BLSS_SetCharacteristicValue(cy_en_ble_bls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if(charIndex >= CY_BLE_BLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Store the characteristic value into the 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_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
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_BLSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of the Blood Pressure service identified by
* charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \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 | An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSS_GetCharacteristicValue(cy_en_ble_bls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
/* Check the parameters */
if(charIndex >= CY_BLE_BLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get the characteristic value from the 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_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of a specified characteristic of the Blood
* Pressure service from the local GATT database.
*
* \param connHandle: The connection handle
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_bls_descr_index_t. The valid value is,
* * #CY_BLE_BLS_CCCD
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the location where the 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 | An optional descriptor is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex,
cy_en_ble_bls_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
/* Check the parameters */
if((charIndex >= CY_BLE_BLS_CHAR_COUNT) || (descrIndex >= CY_BLE_BLS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get data from the database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_SendNotification
***************************************************************************//**
*
* Sends a notification with the characteristic value, as specified by its
* charIndex, to the client device.
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_BLSC_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_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \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_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
* 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_BLSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_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_BLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if(!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle))
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ntf_t ntfParam;
ntfParam.handleValPair.attrHandle = cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
ntfParam.handleValPair.value.val = attrValue;
ntfParam.handleValPair.value.len = attrSize;
ntfParam.connHandle = connHandle;
/* Send notification to the client using a previously filled structure */
apiResult = Cy_BLE_GATTS_Notification(&ntfParam);
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_SendIndication
***************************************************************************//**
*
* Sends an indication of the specified characteristic to the client device.
*
* On enabling indication successfully it sends out a Handle Value Indication which
* results in a \ref CY_BLE_EVT_BLSC_INDICATION or \ref CY_BLE_EVT_GATTC_HANDLE_VALUE_IND
* (if the service-specific callback function is not registered) 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_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \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_IND_DISABLED | Indication is not enabled by the client.
*
* \events
* If execution is successful(return value = \ref CY_BLE_SUCCESS),
* these events can appear: \n
* If a BLS service-specific callback is registered
* (with \ref Cy_BLE_BLS_RegisterAttrCallback):
* * \ref CY_BLE_EVT_BLSS_INDICATION_CONFIRMED - if the indication is
* successfully delivered to the peer device.
* .
* Otherwise (if a BLS service-specific callback is not registered):
* * \ref CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF - if the indication is
* successfully delivered to the peer device.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSS_SendIndication(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send indication 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_BLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(charIndex != CY_BLE_BLS_BPM)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else if(!CY_BLE_IS_INDICATION_ENABLED(connHandle.attId, cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle))
{
apiResult = CY_BLE_ERROR_IND_DISABLED;
}
else
{
/* Fill all fields of the Write Request structure ... */
cy_stc_ble_gatts_handle_value_ind_t indParam;
indParam.handleValPair.attrHandle = cy_ble_blssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
indParam.handleValPair.value.val = attrValue;
indParam.handleValPair.value.len = attrSize;
indParam.connHandle = connHandle;
/* Send indication to the client using a previously filled structure */
apiResult = Cy_BLE_GATTS_Indication(&indParam);
/* Save the handle to support a service-specific value confirmation response from the client */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_blssReqHandle = indParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_ConfirmationEventHandler
***************************************************************************//**
*
* Handles a Value Confirmation request event from the BLE Stack.
*
* \param eventParam - The pointer to a structure of type cy_stc_ble_conn_handle_t.
*
******************************************************************************/
static void Cy_BLE_BLSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
if((Cy_BLE_BLS_ApplCallback != NULL) &&
(cy_ble_blssConfigPtr->attrInfo->charInfo[CY_BLE_BLS_BPM].charHandle == cy_ble_blssReqHandle))
{
cy_stc_ble_bls_char_value_t locCharIndex;
locCharIndex.connHandle = *eventParam;
locCharIndex.charIndex = CY_BLE_BLS_BPM;
locCharIndex.value = NULL;
cy_ble_blssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSS_INDICATION_CONFIRMED, &locCharIndex);
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_WriteEventHandler
***************************************************************************//**
*
* Handles a Write Request event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* \return
* \ref cy_en_ble_gatt_err_code_t - The function result state if it succeeded
* (CY_BLE_GATT_ERR_NONE) or GATT error codes returned by
* Cy_BLE_GATTS_WriteAttributeValueCCCD().
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_BLSS_WriteEventHandler(const cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
if(Cy_BLE_BLS_ApplCallback != NULL)
{
cy_stc_ble_bls_char_value_t locCharIndex;
locCharIndex.connHandle = eventParam->connHandle;
locCharIndex.value = NULL;
for(locCharIndex.charIndex = CY_BLE_BLS_BPM; locCharIndex.charIndex < CY_BLE_BLS_BPF; locCharIndex.charIndex++)
{
if(eventParam->handleValPair.attrHandle == cy_ble_blssConfigPtr->attrInfo->charInfo[locCharIndex.charIndex].
cccdHandle)
{
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)
{
uint32_t eventCode;
if(locCharIndex.charIndex == CY_BLE_BLS_ICP)
{
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
eventCode = (uint32_t)CY_BLE_EVT_BLSS_NOTIFICATION_ENABLED;
}
else
{
eventCode = (uint32_t)CY_BLE_EVT_BLSS_NOTIFICATION_DISABLED;
}
}
else
{
if(CY_BLE_IS_INDICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
eventCode = (uint32_t)CY_BLE_EVT_BLSS_INDICATION_ENABLED;
}
else
{
eventCode = (uint32_t)CY_BLE_EVT_BLSS_INDICATION_DISABLED;
}
}
Cy_BLE_BLS_ApplCallback(eventCode, &locCharIndex);
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_GetCharacteristicValue
***************************************************************************//**
*
* This function is used to read the characteristic value from the server
* identified by charIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
*
* \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
* If execution is successful(return value = \ref CY_BLE_SUCCESS)
* these events can appear: \n
* If a BLS service-specific callback is registered
* (with \ref Cy_BLE_BLS_RegisterAttrCallback):
* * \ref CY_BLE_EVT_BLSC_READ_CHAR_RESPONSE - if the requested attribute is
* successfully read on the peer device, the details (charIndex ,
* value, etc.) are provided with an event parameter structure
* of type \ref cy_stc_ble_bls_char_value_t.
* .
* Otherwise (if a BLS service-specific callback is not registered):
* * \ref 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 the event parameters
* structure \ref cy_stc_ble_gattc_read_rsp_param_t.
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided
* with the event parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_BLS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(blscPtr->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 & blscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = blscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_blscReqHandle[discIdx] = blscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to set the characteristic descriptor of the specified Blood Pressure
* service characteristic to the server device.
*
* Internally, a Write Request is sent to the GATT Server and on successful
* execution of the request on the server side, the following events can be
* generated:
* * \ref CY_BLE_EVT_BLSS_INDICATION_ENABLED
* * \ref CY_BLE_EVT_BLSS_INDICATION_DISABLED
* * \ref CY_BLE_EVT_BLSS_NOTIFICATION_ENABLED
* * \ref CY_BLE_EVT_BLSS_NOTIFICATION_DISABLED
*
* \param connHandle: The BLE peer device connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_bls_descr_index_t. The valid value is,
* * #CY_BLE_BLS_CCCD
* \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
* If execution is successful(return value = \ref CY_BLE_SUCCESS),
* the following events can appear: \n
* If a BLS service-specific callback is registered
* with \ref Cy_BLE_BLS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_BLSC_WRITE_DESCR_RESPONSE - if the requested attribute is
* successfully written on the peer device, the details (charIndex,
* descrIndex etc.) are provided with an event parameter structure
* of type \ref cy_stc_ble_bls_descr_value_t.
* .
* Otherwise (if the BLS service-specific callback is not registered):
* * \ref CY_BLE_EVT_GATTC_WRITE_RSP - if the requested attribute is
* successfully written on the peer device.
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided
* with the event parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex,
cy_en_ble_bls_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 BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_BLS_CHAR_COUNT) || (descrIndex >= CY_BLE_BLS_DESCR_COUNT)
|| (attrSize != CY_BLE_CCCD_LEN) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(blscPtr->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Fill all fields of a Write Request structure ... */
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = blscPtr->charInfo[charIndex].cccdHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = CY_BLE_CCCD_LEN;
writeReqParam.connHandle = connHandle;
/* ... and send a request to the server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
/* Save the handle to support a service-specific Read response from the device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_blscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to get the characteristic descriptor of the specified Blood Pressure
* service characteristic from the server device. This function call can result
* in the generation of the following events based on the response from the server
* device:
* * \ref CY_BLE_EVT_BLSC_READ_DESCR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* \param connHandle: The BLE peer device connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_bls_char_index_t. The valid values are,
* * \ref CY_BLE_BLS_BPM
* * \ref CY_BLE_BLS_ICP
* * \ref CY_BLE_BLS_BPF
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_bls_descr_index_t. The valid value is,
* * #CY_BLE_BLS_CCCD*
* \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
* If execution is successful (return value = \ref CY_BLE_SUCCESS),
* these events can appear: \n
* If a BLS service-specific callback is registered
* with \ref Cy_BLE_BLS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_BLSC_READ_DESCR_RESPONSE - if the requested attribute is
* successfully read on the peer device, the details (charIndex, descrIndex,
* value, etc.) are provided with an event parameter structure
* of type \ref cy_stc_ble_bls_descr_value_t.
* .
* Otherwise (if a BLS service-specific callback is not registered):
* * \ref 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 the event parameters
* structure \ref cy_stc_ble_gattc_read_rsp_param_t.
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP - If an error occurred with the
* requested attribute on the peer device, the details are provided
* with the event parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_BLSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex,
cy_en_ble_bls_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_BLS_CHAR_COUNT) || (descrIndex >= CY_BLE_BLS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(blscPtr->charInfo[charIndex].cccdHandle == 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 = blscPtr->charInfo[charIndex].cccdHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_blscReqHandle[discIdx] = blscPtr->charInfo[charIndex].cccdHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_DiscoverCharacteristicsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_READ_BY_TYPE_RSP
* event. Based on the service UUID, the appropriate data structure is populated
* using the data received as part of the callback.
*
* \param discCharInfo: The pointer to the characteristic information structure.
*
******************************************************************************/
static void Cy_BLE_BLSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* Blood Pressure service characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_blscCharUuid[CY_BLE_BLS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_BP_MSRMT,
CY_BLE_UUID_CHAR_INTRMDT_CUFF_PRSR,
CY_BLE_UUID_CHAR_BP_FEATURE
};
static cy_ble_gatt_db_attr_handle_t *lastEndHandle[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t blsDiscIdx = cy_ble_blscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == blsDiscIdx))
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
/* Update the last characteristic endHandle to the declaration handle of this characteristic */
if(lastEndHandle[discIdx] != NULL)
{
*lastEndHandle[discIdx] = discCharInfo->charDeclHandle - 1u;
lastEndHandle[discIdx] = NULL;
}
for(i = 0u; i < (uint32_t)CY_BLE_BLS_CHAR_COUNT; i++)
{
if(cy_ble_blscCharUuid[i] == discCharInfo->uuid.uuid16)
{
if(blscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
blscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle;
blscPtr->charInfo[i].properties = discCharInfo->properties;
lastEndHandle[discIdx] = &blscPtr->charInfo[i].endHandle;
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo);
}
}
}
/* Initialize the characteristic endHandle to the service endHandle.
* The characteristic endHandle will be updated to the declaration
* handle of the following characteristic,
* in the following characteristic discovery procedure. */
if(lastEndHandle[discIdx] != NULL)
{
uint32_t locServCount = cy_ble_configPtr->context->discovery[discIdx].servCount;
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
*lastEndHandle[discIdx] =
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_BLSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_READ_BY_TYPE_RSP
* event. Based on the service UUID, the 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_BLSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t * discDescrInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t blsDiscIdx = cy_ble_blscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == blsDiscIdx)
{
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if(blscPtr->charInfo[charIdx].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
blscPtr->charInfo[charIdx].cccdHandle = discDescrInfo->descrHandle;
}
else
{
/* Duplication of the 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_BLSC_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_BLSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t blsDiscIdx = cy_ble_blscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == blsDiscIdx)
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
while((cy_ble_configPtr->context->discovery[discIdx].charCount < (uint32_t)CY_BLE_BLS_CHAR_COUNT) && (exitFlag == 0u))
{
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if((blscPtr->charInfo[charIdx].endHandle - blscPtr->charInfo[charIdx].valueHandle) != 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = blscPtr->charInfo[charIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = blscPtr->charInfo[charIdx].endHandle;
exitFlag = 1u;
}
else
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_NotificationEventHandler
***************************************************************************//**
*
* Handles a Notification event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_BLSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_BLS_ApplCallback != NULL) &&
(blscPtr->charInfo[CY_BLE_BLS_ICP].valueHandle == eventParam->handleValPair.attrHandle))
{
cy_stc_ble_bls_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = CY_BLE_BLS_ICP;
locCharValue.value = &eventParam->handleValPair.value;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSC_NOTIFICATION, &locCharValue);
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_IndicationEventHandler
***************************************************************************//**
*
* Handles an Indication event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_BLSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_BLS_ApplCallback != NULL) &&
(blscPtr->charInfo[CY_BLE_BLS_BPM].valueHandle == eventParam->handleValPair.attrHandle))
{
cy_stc_ble_bls_char_value_t locCharValue;
locCharValue.charIndex = CY_BLE_BLS_BPM;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.value = &eventParam->handleValPair.value;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSC_INDICATION, &locCharValue);
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles a Read Response event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_BLSC_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_BLS_ApplCallback != NULL) &&
(cy_ble_blscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
if(blscPtr->charInfo[CY_BLE_BLS_BPF].valueHandle == cy_ble_blscReqHandle[discIdx])
{
cy_stc_ble_bls_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = CY_BLE_BLS_BPF;
locCharValue.value = &eventParam->value;
cy_ble_blscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSC_READ_CHAR_RESPONSE, &locCharValue);
}
else
{
cy_en_ble_bls_char_index_t i;
for(i = CY_BLE_BLS_BPM; i < CY_BLE_BLS_BPF; i++)
{
if(blscPtr->charInfo[i].cccdHandle == cy_ble_blscReqHandle[discIdx])
{
cy_stc_ble_bls_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = i;
locDescrValue.descrIndex = CY_BLE_BLS_CCCD;
locDescrValue.value = &eventParam->value;
cy_ble_blscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSC_READ_DESCR_RESPONSE, &locDescrValue);
break;
}
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_GetCharacteristicValueHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic value handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional characteristic
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_BLSC_GetCharacteristicValueHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if( (Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_BLS_CHAR_COUNT))
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr =
(cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = blscPtr->charInfo[charIndex].valueHandle;
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_GetCharacteristicDescriptorHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic descriptor handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of the descriptor.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional descriptor
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_BLSC_GetCharacteristicDescriptorHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_bls_char_index_t charIndex,
cy_en_ble_bls_descr_index_t descrIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if((Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_BLS_CHAR_COUNT) && (descrIndex < CY_BLE_BLS_DESCR_COUNT))
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr =
(cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = blscPtr->charInfo[charIndex].cccdHandle;
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles a Write Response event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_BLSC_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_BLS_ApplCallback != NULL) &&
(cy_ble_blscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to BLS client structure with attribute handles */
cy_stc_ble_blsc_t *blscPtr = (cy_stc_ble_blsc_t *)&cy_ble_blscConfigPtr->attrInfo[discIdx];
cy_en_ble_bls_char_index_t i;
for(i = CY_BLE_BLS_BPM; i < CY_BLE_BLS_BPF; i++)
{
if(blscPtr->charInfo[i].cccdHandle == cy_ble_blscReqHandle[discIdx])
{
cy_stc_ble_bls_descr_value_t locDescIndex;
locDescIndex.connHandle = *eventParam;
locDescIndex.charIndex = i;
locDescIndex.descrIndex = CY_BLE_BLS_CCCD;
locDescIndex.value = NULL;
cy_ble_blscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_BLS_ApplCallback((uint32_t)CY_BLE_EVT_BLSC_WRITE_DESCR_RESPONSE, &locDescIndex);
break;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles an Error Response event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_BLSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam)
{
if(eventParam != NULL)
{
if(cy_ble_blscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] == eventParam->errInfo.attrHandle)
{
cy_ble_blscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_BLS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the BLS 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_BLS_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_BLSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_BLSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_BLSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_BLSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the BLS 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_BLSS_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_BLSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF:
Cy_BLE_BLSS_ConfirmationEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_BLSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the BLS 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_BLSC_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_BLSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_BLSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_BLSC_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_BLSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_BLSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_IND:
Cy_BLE_BLSC_IndicationEventHandler((cy_stc_ble_gattc_handle_value_ind_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_BLSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_BLSC_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 */