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bless/cy_ble_hps.c

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/***************************************************************************//**
* \file cy_ble_hps.c
* \version 3.60
*
* \brief
* Contains the source code for HTTP Proxy 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
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HPS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HPSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HPSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_HPSS_PrepareWriteRequestEventHandler(const cy_stc_ble_gatts_prep_write_req_param_t *eventParam);
static void Cy_BLE_HPSS_ExecuteWriteRequestEventHandler(cy_stc_ble_gatts_exec_write_req_t *eventParam);
static void Cy_BLE_HPSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_HPSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_HPSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_HPSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_HPSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_HPSC_ReadLongRespEventHandler(const cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_HPSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_HPSC_ExecuteWriteResponseEventHandler(const cy_stc_ble_gattc_exec_write_rsp_t *eventParam);
static void Cy_BLE_HPSC_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_HPS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_HPSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_HPSS_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_hpssReqHandle;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_hpscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* Variables for Read Long Characteristic Values handling */
uint8_t * cy_ble_hpscRdLongBuffPtr;
uint16_t cy_ble_hpscRdLongBuffLen;
uint16_t cy_ble_hpscCurrLen;
/* The pointer to a global BLE HPS server config structure */
const cy_stc_ble_hpss_config_t *cy_ble_hpssConfigPtr = NULL;
/* The pointer to a global BLE HPS client config structure */
const cy_stc_ble_hpsc_config_t *cy_ble_hpscConfigPtr = NULL;
/******************************************************************************
* Function Name: Cy_BLE_HPSS_Init
***************************************************************************//**
*
* This function initializes server of the HTTP Proxy service.
*
* \param config: Configuration structure for the HPS.
*
* \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_HPSS_Init(const cy_stc_ble_hpss_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_hpssConfigPtr = config;
/* Registers event handler for the HPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HPS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_HPSS_EventHandlerCallback = &Cy_BLE_HPSS_EventHandler;
cy_ble_hpssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_Init
***************************************************************************//**
*
* This function initializes client of the HTTP Proxy service.
*
* \param config: Configuration structure for the HPS.
*
* \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_HPSC_Init(const cy_stc_ble_hpsc_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_hpscConfigPtr = config;
/* Registers event handler for the HPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HPS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_HPSC_EventHandlerCallback = &Cy_BLE_HPSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 hpsServIdx = cy_ble_hpscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hpsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to HPS client structure */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(hpscPtr, 0, sizeof(cy_stc_ble_hpsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hpsServIdx].uuid =
CY_BLE_UUID_HTTP_PROXY_SERVICE;
}
cy_ble_hpscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPS_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 HPS 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_HPSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_hps_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_HPS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_HPS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_WriteEventHandler
***************************************************************************//**
*
* Handles Write Request event for HTTP Proxy service.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* \return
* A return value of type cy_en_ble_gatt_err_code_t.
* * CY_BLE_GATT_ERR_NONE - Write is successful.
* * CY_BLE_GATT_ERR_REQUEST_NOT_SUPPORTED - The request is not supported.
* * CY_BLE_GATT_ERR_INVALID_HANDLE - 'handleValuePair.attrHandle' is not valid.
* * CY_BLE_GATT_ERR_WRITE_NOT_PERMITTED - The write operation is not permitted on
* this attribute.
* * CY_BLE_GATT_ERR_INVALID_OFFSET - The offset value is invalid.
* * CY_BLE_GATT_ERR_UNLIKELY_ERROR - Some other error occurred.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
uint32_t event = (uint32_t)CY_BLE_EVT_HPSS_NOTIFICATION_DISABLED;
cy_stc_ble_hps_char_value_t wrCharReqParam =
{
.connHandle = eventParam->connHandle
};
if(Cy_BLE_HPS_ApplCallback != NULL)
{
/* Client Characteristic Configuration descriptor Write Request */
if(eventParam->handleValPair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].descrHandle[CY_BLE_HPS_CCCD])
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_STATUS_CODE;
wrCharReqParam.value = NULL;
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
event = (uint32_t)CY_BLE_EVT_HPSS_NOTIFICATION_ENABLED;
}
}
else
{
event = (uint32_t)CY_BLE_EVT_HPSS_WRITE_CHAR;
wrCharReqParam.value = &eventParam->handleValPair.value;
if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_URI].charHandle == eventParam->handleValPair.attrHandle)
{
wrCharReqParam.charIndex = CY_BLE_HPS_URI;
}
else if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_HEADERS].charHandle ==
eventParam->handleValPair.attrHandle)
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_HEADERS;
}
else if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_ENTITY_BODY].charHandle ==
eventParam->handleValPair.attrHandle)
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_ENTITY_BODY;
}
else if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_CP].charHandle ==
eventParam->handleValPair.attrHandle)
{
if(CY_BLE_IS_NOTIFICATION_ENABLED(eventParam->connHandle.attId,
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].
descrHandle[CY_BLE_HPS_CCCD]))
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_CP;
}
else
{
gattErr = CY_BLE_GATT_ERR_CCCD_IMPROPERLY_CONFIGURED;
/* Clear callback flag indicating that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
else
{
/* Set charIndex to CY_BLE_HPS_CHAR_COUNT as the requested handle doesn't
* match to any handles of HPS characteristics.
*/
wrCharReqParam.charIndex = CY_BLE_HPS_CHAR_COUNT;
}
}
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
if(wrCharReqParam.charIndex < CY_BLE_HPS_CHAR_COUNT)
{
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((event == (uint32_t)CY_BLE_EVT_HPSS_WRITE_CHAR) &&
(wrCharReqParam.value->len <=
(CY_BLE_GATT_DB_ATTR_GET_ATTR_GEN_MAX_LEN(eventParam->handleValPair.attrHandle))))
{
CY_BLE_GATT_DB_ATTR_SET_ATTR_GEN_LEN(eventParam->handleValPair.attrHandle,
wrCharReqParam.value->len);
}
/* Make sure that GATT error is set to "No error" */
wrCharReqParam.gattErrorCode = CY_BLE_GATT_ERR_NONE;
Cy_BLE_HPS_ApplCallback(event, &wrCharReqParam);
gattErr = wrCharReqParam.gattErrorCode;
}
/* Clear callback flag indicating that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_PrepareWriteRequestEventHandler
***************************************************************************//**
*
* Handles the Write Request HTTP Proxy service.
*
* \param eventParam: The pointer to the data that received with a prepare write
* request event for the HTTP Proxy service.
*
******************************************************************************/
static void Cy_BLE_HPSS_PrepareWriteRequestEventHandler(const cy_stc_ble_gatts_prep_write_req_param_t *eventParam)
{
if(Cy_BLE_HPS_ApplCallback != NULL)
{
if((eventParam->baseAddr[eventParam->currentPrepWriteReqCount - 1u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_URI].charHandle) ||
(eventParam->baseAddr[eventParam->currentPrepWriteReqCount - 1u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_HEADERS].charHandle) ||
(eventParam->baseAddr[eventParam->currentPrepWriteReqCount - 1u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_ENTITY_BODY].charHandle))
{
if(cy_ble_hpssReqHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Send Prepare Write Response which identifies acknowledgment for
* long characteristic value write.
*/
cy_ble_hpssReqHandle =
eventParam->baseAddr[eventParam->currentPrepWriteReqCount - 1u].handleValuePair.attrHandle;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_ExecuteWriteRequestEventHandler
***************************************************************************//**
*
* Handles the Execute Write Request event for the HTTP Proxy service.
*
* \param eventParam: The pointer to the data that came with a Write Request
* for the HTTP Proxy service.
*
******************************************************************************/
static void Cy_BLE_HPSS_ExecuteWriteRequestEventHandler(cy_stc_ble_gatts_exec_write_req_t *eventParam)
{
uint32_t locCount;
uint16_t locLength = 0u;
cy_stc_ble_gatt_value_t locCharValue;
cy_stc_ble_hps_char_value_t wrCharReqParam = { .connHandle = eventParam->connHandle };
if((Cy_BLE_HPS_ApplCallback != NULL) && (cy_ble_hpssReqHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
if((eventParam->baseAddr[0u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_URI].charHandle) ||
(eventParam->baseAddr[0u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_HEADERS].charHandle) ||
(eventParam->baseAddr[0u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_ENTITY_BODY].charHandle))
{
/* Check the execWriteFlag before execute or cancel write long operation */
if(eventParam->execWriteFlag == CY_BLE_GATT_EXECUTE_WRITE_EXEC_FLAG)
{
/* Calculate total length */
for(locCount = 0u; locCount < eventParam->prepWriteReqCount; locCount++)
{
locLength += eventParam->baseAddr[locCount].handleValuePair.value.len;
}
if(CY_BLE_GATT_DB_ATTR_GET_ATTR_GEN_MAX_LEN(cy_ble_hpssReqHandle) >= locLength)
{
/* Fill data and pass it to user */
if(eventParam->baseAddr[0u].handleValuePair.attrHandle == cy_ble_hpssConfigPtr->attrInfo->
charInfo[CY_BLE_HPS_URI].charHandle)
{
wrCharReqParam.charIndex = CY_BLE_HPS_URI;
}
else if(eventParam->baseAddr[0u].handleValuePair.attrHandle ==
cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_HEADERS].charHandle)
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_HEADERS;
}
else
{
wrCharReqParam.charIndex = CY_BLE_HPS_HTTP_ENTITY_BODY;
}
wrCharReqParam.gattErrorCode = CY_BLE_GATT_ERR_NONE;
locCharValue = eventParam->baseAddr[0u].handleValuePair.value;
wrCharReqParam.value = &locCharValue;
wrCharReqParam.value->len = locLength;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSS_WRITE_CHAR, &wrCharReqParam);
if(wrCharReqParam.gattErrorCode == CY_BLE_GATT_ERR_NONE)
{
CY_BLE_GATT_DB_ATTR_SET_ATTR_GEN_LEN(cy_ble_hpssReqHandle, locLength);
}
}
else
{
wrCharReqParam.gattErrorCode = CY_BLE_GATT_ERR_INVALID_ATTRIBUTE_LEN;
}
/* Pass user error code to Stack */
eventParam->gattErrorCode = (uint8_t)wrCharReqParam.gattErrorCode;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
/* Clear requested handle */
cy_ble_hpssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a value for one of characteristic values of the HTTP Proxy
* service. The characteristic is identified by charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_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 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_en_ble_api_result_t Cy_BLE_HPSS_SetCharacteristicValue(cy_en_ble_hps_char_index_t charIndex,
uint16_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if((attrValue != NULL) && (charIndex < CY_BLE_HPS_CHAR_COUNT))
{
/* Fill structure */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hpssConfigPtr->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)
{
if(attrSize <= CY_BLE_GATT_DB_ATTR_GET_ATTR_GEN_MAX_LEN(dbAttrValInfo.handleValuePair.attrHandle))
{
CY_BLE_GATT_DB_ATTR_SET_ATTR_GEN_LEN(dbAttrValInfo.handleValuePair.attrHandle, attrSize);
}
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_GetCharacteristicValue
***************************************************************************//**
*
* Reads a characteristic value of the HTTP Proxy service, which is identified
* by charIndex from the GATT database.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param attrSize: The size of the HTTP Proxy service 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_en_ble_api_result_t Cy_BLE_HPSS_GetCharacteristicValue(cy_en_ble_hps_char_index_t charIndex,
uint16_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if((attrValue != NULL) && (charIndex < CY_BLE_HPS_CHAR_COUNT))
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hpssConfigPtr->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;
/* Get characteristic value from GATT database */
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sets the characteristic descriptor value of the specified characteristic.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hps_descr_index_t.
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the descriptor value data to 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 characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HPSS_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
cy_en_ble_hps_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if((charIndex == CY_BLE_HPS_HTTP_STATUS_CODE) && (descrIndex == CY_BLE_HPS_CCCD) && (attrValue != NULL))
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].
descrHandle[CY_BLE_HPS_CCCD];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
/* Sets characteristic value to database */
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_SUCCESS;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Reads a a characteristic descriptor of a specified characteristic of the
* HTTP Proxy service from the GATT database.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hps_descr_index_t.
* \param attrSize: The size of the descriptor value.
* \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_en_ble_api_result_t Cy_BLE_HPSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
cy_en_ble_hps_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if((charIndex == CY_BLE_HPS_HTTP_STATUS_CODE) && (descrIndex == CY_BLE_HPS_CCCD) && (attrValue != NULL))
{
if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].descrHandle[CY_BLE_HPS_CCCD] !=
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].
descrHandle[CY_BLE_HPS_CCCD];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
/* Get characteristic value from GATT database */
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_SendNotification
***************************************************************************//**
*
* Sends a notification with a characteristic value of the HTTP Proxy
* service, which is a value specified by charIndex, to the client's device.
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_HPSC_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_hps_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's 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_HPSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if(charIndex < CY_BLE_HPS_CHAR_COUNT)
{
if(cy_ble_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].descrHandle[CY_BLE_HPS_CCCD] !=
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Send notification if it is enabled and peer device is connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId,
cy_ble_hpssConfigPtr->attrInfo->
charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].descrHandle[CY_BLE_HPS_CCCD]))
{
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_hpssConfigPtr->attrInfo->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].
charHandle;
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);
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_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_HPSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* HPS characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_hpscCharUuid[CY_BLE_HPS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_URI,
CY_BLE_UUID_CHAR_HTTP_HEADERS,
CY_BLE_UUID_CHAR_HTTP_ENTITY_BODY,
CY_BLE_UUID_CHAR_HTTP_CP,
CY_BLE_UUID_CHAR_HTTP_STATUS_CODE,
CY_BLE_UUID_CHAR_HTTPS_SECURITY
};
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 hpsDiscIdx = cy_ble_hpscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == hpsDiscIdx))
{
/* Update last characteristic endHandle to declaration handle of this characteristic */
if(lastEndHandle[discIdx] != NULL)
{
*lastEndHandle[discIdx] = discCharInfo->charDeclHandle - 1u;
lastEndHandle[discIdx] = NULL;
}
/* Search through all available characteristics */
for(i = (uint32_t)CY_BLE_HPS_URI; (i < (uint32_t)CY_BLE_HPS_CHAR_COUNT); i++)
{
if(cy_ble_hpscCharUuid[i] == discCharInfo->uuid.uuid16)
{
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(hpscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
hpscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle;
hpscPtr->charInfo[i].properties = discCharInfo->properties;
lastEndHandle[discIdx] = &hpscPtr->charInfo[i].endHandle;
break;
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo);
}
}
}
/* Init characteristic endHandle to service endHandle. Characteristic endHandle
* will be updated to the declaration handler 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_HPSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_FIND_INFO_RSP event.
* Based on the descriptor 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_HPSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t notSupportedDescr = 0u;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t hpsDiscIdx = cy_ble_hpscConfigPtr->serviceDiscIdx;
uint32_t descIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == hpsDiscIdx)
{
switch(discDescrInfo->uuid.uuid16)
{
case CY_BLE_UUID_CHAR_CLIENT_CONFIG:
descIdx = (uint32_t)CY_BLE_HPS_CCCD;
break;
default:
/* Not supported descriptor */
notSupportedDescr = 1u;
break;
}
if(notSupportedDescr == 0u)
{
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(hpscPtr->charInfo[charIdx].descrHandle[descIdx] == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
hpscPtr->charInfo[charIdx].descrHandle[descIdx] = 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_HPSC_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_HPSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t hpsDiscIdx = cy_ble_hpscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == hpsDiscIdx)
{
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_HPS_CHAR_COUNT) && (exitFlag == 0u))
{
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if((hpscPtr->charInfo[charIdx].endHandle - hpscPtr->charInfo[charIdx].valueHandle) != 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = hpscPtr->charInfo[charIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = hpscPtr->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_HPSC_NotificationEventHandler
***************************************************************************//**
*
* Handles a notification event for the HTTP service.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
if(Cy_BLE_HPS_ApplCallback != NULL)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) &&
(hpscPtr->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].valueHandle ==
eventParam->handleValPair.attrHandle))
{
cy_stc_ble_hps_char_value_t notifValue;
notifValue.connHandle = eventParam->connHandle;
notifValue.charIndex = CY_BLE_HPS_HTTP_STATUS_CODE;
notifValue.value = &eventParam->handleValPair.value;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_NOTIFICATION, &notifValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles a Read Response event for the HTTP Proxy service.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
cy_en_ble_hps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HPS_ApplCallback != NULL) &&
(cy_ble_hpscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
for(locCharIndex = CY_BLE_HPS_URI; (locCharIndex < CY_BLE_HPS_CHAR_COUNT); locCharIndex++)
{
if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[locCharIndex].valueHandle)
{
break;
}
}
if(locCharIndex < CY_BLE_HPS_CHAR_COUNT)
{
cy_stc_ble_hps_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = locCharIndex;
locCharValue.value = &eventParam->value;
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_READ_CHAR_RESPONSE, &locCharValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].
descrHandle[CY_BLE_HPS_CCCD])
{
cy_stc_ble_hps_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = CY_BLE_HPS_HTTP_STATUS_CODE;
locDescrValue.descrIndex = CY_BLE_HPS_CCCD;
locDescrValue.value = &eventParam->value;
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_READ_DESCR_RESPONSE, &locDescrValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* Do nothing */
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_ReadLongRespEventHandler
***************************************************************************//**
*
* Handles a Read Long Response event for the HTTP Proxy service.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_ReadLongRespEventHandler(const cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
cy_stc_ble_gattc_stop_cmd_param_t stopCmdParam = { .connHandle = eventParam->connHandle };
cy_stc_ble_gatt_xchg_mtu_param_t mtuParam = { .connHandle = eventParam->connHandle };
cy_en_ble_hps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
uint32_t isReqEnded = 1u;
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HPS_ApplCallback != NULL))
{
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
/* Check whether requested handle equals to any of HPS characteristic handles */
if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_URI].valueHandle)
{
locCharIndex = CY_BLE_HPS_URI;
}
else if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_HTTP_HEADERS].valueHandle)
{
locCharIndex = CY_BLE_HPS_HTTP_HEADERS;
}
else if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_HTTP_ENTITY_BODY].valueHandle)
{
locCharIndex = CY_BLE_HPS_HTTP_ENTITY_BODY;
}
else
{
locCharIndex = CY_BLE_HPS_CHAR_COUNT;
}
/* If match was found then proceed with the request handling */
if((locCharIndex < CY_BLE_HPS_CHAR_COUNT) && (cy_ble_hpscReqHandle[discIdx] !=
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Update user buffer with received data */
if(cy_ble_hpscCurrLen < cy_ble_hpscRdLongBuffLen)
{
(void)memcpy((void*)&cy_ble_hpscRdLongBuffPtr[cy_ble_hpscCurrLen], (void*)&eventParam->value.val[0],
(uint32_t)eventParam->value.len);
cy_ble_hpscCurrLen += eventParam->value.len;
}
(void)Cy_BLE_GATT_GetMtuSize(&mtuParam);
/* If the received data length is less than the MTU size, the Read Long
* request is completed or the provided user's buffer is full.
*/
if(((mtuParam.mtu - 1u) > eventParam->value.len))
{
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
else if(cy_ble_hpscCurrLen == cy_ble_hpscRdLongBuffLen)
{
(void)Cy_BLE_GATTC_StopCmd(&stopCmdParam);
}
else
{
isReqEnded = 0u;
}
/* If the buffer is full, then stop processing any remaining read long
* requests.
*/
if(isReqEnded == 1u)
{
cy_stc_ble_hps_char_value_t rdCharValue = { .connHandle = eventParam->connHandle };
cy_stc_ble_gatt_value_t rdValue;
rdValue.val = cy_ble_hpscRdLongBuffPtr;
rdValue.len = cy_ble_hpscCurrLen;
rdCharValue.charIndex = locCharIndex;
rdCharValue.value = &rdValue;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_READ_CHAR_RESPONSE, &rdCharValue);
cy_ble_hpscCurrLen = 0u;
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles a Write Response event for the HTTP Proxy service.
*
* \param eventParam: The pointer to a data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
cy_en_ble_hps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(*eventParam);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HPS_ApplCallback != NULL) &&
(cy_ble_hpscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
for(locCharIndex = CY_BLE_HPS_URI; (locCharIndex < CY_BLE_HPS_CHAR_COUNT); locCharIndex++)
{
if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[locCharIndex].valueHandle)
{
break;
}
}
if(locCharIndex < CY_BLE_HPS_CHAR_COUNT)
{
cy_stc_ble_hps_char_value_t locCharValue;
locCharValue.connHandle = *eventParam;
locCharValue.charIndex = locCharIndex;
locCharValue.value = NULL;
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_WRITE_CHAR_RESPONSE, &locCharValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(cy_ble_hpscReqHandle[discIdx] ==
hpscPtr->charInfo[CY_BLE_HPS_HTTP_STATUS_CODE].descrHandle[CY_BLE_HPS_CCCD])
{
cy_stc_ble_hps_descr_value_t locDescrValue;
locDescrValue.connHandle = *eventParam;
locDescrValue.charIndex = CY_BLE_HPS_HTTP_STATUS_CODE;
locDescrValue.descrIndex = CY_BLE_HPS_CCCD;
locDescrValue.value = NULL;
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_WRITE_DESCR_RESPONSE, &locDescrValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* The requested handle doesn't belong to HPS */
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_ExecuteWriteResponseEventHandler
***************************************************************************//**
*
* Handles a Execute Write Response event for the HTTP Proxy service.
*
* \param eventParam: The pointer to a data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_ExecuteWriteResponseEventHandler(const cy_stc_ble_gattc_exec_write_rsp_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
cy_en_ble_hps_char_index_t locCharIndex;
/* Check whether service handler was registered and request handle is valid. */
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HPS_ApplCallback != NULL))
{
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
/* Check whether requested handle equals to any of HPS characteristic handles */
if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_URI].valueHandle)
{
locCharIndex = CY_BLE_HPS_URI;
}
else if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_HTTP_HEADERS].valueHandle)
{
locCharIndex = CY_BLE_HPS_HTTP_HEADERS;
}
else if(cy_ble_hpscReqHandle[discIdx] == hpscPtr->charInfo[CY_BLE_HPS_HTTP_ENTITY_BODY].valueHandle)
{
locCharIndex = CY_BLE_HPS_HTTP_ENTITY_BODY;
}
else
{
locCharIndex = CY_BLE_HPS_CHAR_COUNT;
}
if(locCharIndex < CY_BLE_HPS_CHAR_COUNT)
{
cy_stc_ble_hps_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = locCharIndex;
locCharValue.value = NULL;
cy_ble_hpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HPS_ApplCallback((uint32_t)CY_BLE_EVT_HPSC_WRITE_CHAR_RESPONSE, &locCharValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles an Error Response event for the HTTP Proxy service.
*
* \param eventParam - The pointer to a data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_HPSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam)
{
if(eventParam != NULL)
{
if(cy_ble_hpscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] == eventParam->errInfo.attrHandle)
{
cy_ble_hpscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_SetCharacteristicValue
***************************************************************************//**
*
* This function is used to write the characteristic (which is identified by
* charIndex) value attribute in the server. As a result a Write Request is
* sent to the GATT Server and on successful execution of the request on the
* server side, the \ref CY_BLE_EVT_HPSS_WRITE_CHAR event is generated.
* On successful request execution on the server side, the Write Response is
* sent to the client.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_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 HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_char_value_t.
* .
* Otherwise (if the HPS 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_HPSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
uint16_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].valueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = hpscPtr->charInfo[charIndex].valueHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
/* Save handle to support service-specific Write Response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_GetCharacteristicValue
***************************************************************************//**
*
* Sends a request to the peer device to get a characteristic value, as
* identified by its charIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_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 HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_char_value_t.
* .
* Otherwise (if an HPS 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_HPSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].valueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = hpscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = hpscPtr->charInfo[charIndex].valueHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_SetLongCharacteristicValue
***************************************************************************//**
*
* Sends a request to set a long characteristic value of the service, which is
* a value identified by charIndex, to the server's device.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_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 HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_char_value_t.
* .
* Otherwise (if the HPS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_EXEC_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_HPSC_SetLongCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
uint16_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
cy_stc_ble_gattc_prep_write_req_t writeReqParam;
writeReqParam.handleValOffsetPair.handleValuePair.attrHandle = hpscPtr->charInfo[charIndex].valueHandle;
writeReqParam.handleValOffsetPair.handleValuePair.value.val = attrValue;
writeReqParam.handleValOffsetPair.handleValuePair.value.len = attrSize;
writeReqParam.handleValOffsetPair.offset = 0u;
writeReqParam.connHandle = connHandle;
/* ... and send request to server's device. */
apiResult = Cy_BLE_GATTC_WriteLongCharacteristicValues(&writeReqParam);
/* Save handle to support service-specific Write Response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = writeReqParam.handleValOffsetPair.handleValuePair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_GetLongCharacteristicValue
***************************************************************************//**
*
* This function is used to read a long characteristic value, which is a value
* identified by charIndex, from the server.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param attrSize: The size of the buffer to store long characteristic value.
* \param attrValue: The pointer to the buffer where the read long characteristic
* value should be stored.
*
* \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 HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_char_value_t.
* .
* Otherwise (if an HPS 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_HPSC_GetLongCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
uint16_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
cy_stc_ble_gattc_read_blob_req_t readLongData;
readLongData.handleOffset.attrHandle = hpscPtr->charInfo[charIndex].valueHandle;
readLongData.handleOffset.offset = 0u;
readLongData.connHandle = connHandle;
cy_ble_hpscRdLongBuffLen = attrSize;
cy_ble_hpscRdLongBuffPtr = attrValue;
apiResult = Cy_BLE_GATTC_ReadLongCharacteristicValues(&readLongData);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = hpscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* This function is used to write the characteristic descriptor to the server,
* which is identified by charIndex and descrIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hps_descr_index_t.* \param attrSize: The size of the characteristic 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_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 HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_char_value_t.
* .
* Otherwise (if an HPS 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_HPSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
cy_en_ble_hps_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 HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (descrIndex >= CY_BLE_HPS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].descrHandle[descrIndex] == 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 = hpscPtr->charInfo[charIndex].descrHandle[descrIndex];
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
/* ... and send request to server's device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
/* Save handle to support service-specific Write Response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to get the characteristic descriptor of the specified
* characteristic of the service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hps_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hps_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.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HPS service-specific callback is registered
* with \ref Cy_BLE_HPS_RegisterAttrCallback():
* * #CY_BLE_EVT_HPSC_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_hps_descr_value_t.
* .
* Otherwise (if an HPS 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_HPSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hps_char_index_t charIndex,
cy_en_ble_hps_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HPS client structure with attribute handles */
cy_stc_ble_hpsc_t *hpscPtr = (cy_stc_ble_hpsc_t *)&cy_ble_hpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_HPS_CHAR_COUNT) || (descrIndex >= CY_BLE_HPS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(hpscPtr->charInfo[charIndex].descrHandle[descrIndex] == 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 = hpscPtr->charInfo[charIndex].descrHandle[descrIndex];
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hpscReqHandle[discIdx] = hpscPtr->charInfo[charIndex].descrHandle[descrIndex];
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HPS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the HPS 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_HPS_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_HPSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_HPSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_HPSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_HPSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the HPS 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_HPSS_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_HPSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_PREP_WRITE_REQ:
Cy_BLE_HPSS_PrepareWriteRequestEventHandler((cy_stc_ble_gatts_prep_write_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_EXEC_WRITE_REQ:
Cy_BLE_HPSS_ExecuteWriteRequestEventHandler((cy_stc_ble_gatts_exec_write_req_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HPSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the HPS 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_HPSC_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_HPSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_HPSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_HPSC_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_HPSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_HPSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_HPSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_BLOB_RSP:
Cy_BLE_HPSC_ReadLongRespEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_EXEC_WRITE_RSP:
Cy_BLE_HPSC_ExecuteWriteResponseEventHandler((cy_stc_ble_gattc_exec_write_rsp_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_HPSC_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 */