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bless/cy_ble_rtus.c
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| /***************************************************************************//** | |
| * \file cy_ble_rtus.c | |
| * \version 3.60 | |
| * | |
| * \brief | |
| * Contains the source code for Reference Time Update 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_RTUS_EventHandler(uint32_t eventCode, void *eventParam); | |
| static cy_en_ble_gatt_err_code_t Cy_BLE_RTUSS_EventHandler(uint32_t eventCode, void *eventParam); | |
| static cy_en_ble_gatt_err_code_t Cy_BLE_RTUSC_EventHandler(uint32_t eventCode, void *eventParam); | |
| static void Cy_BLE_RTUSS_WriteCmdEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam); | |
| static void Cy_BLE_RTUSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo); | |
| static void Cy_BLE_RTUSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo); | |
| static void Cy_BLE_RTUSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam); | |
| /******************************************************************************* | |
| * Global Variables | |
| *******************************************************************************/ | |
| /* The pointers to the callback functions */ | |
| static cy_ble_callback_t Cy_BLE_RTUS_ApplCallback = NULL; | |
| static cy_ble_event_handler_cb_t Cy_BLE_RTUSC_EventHandlerCallback = NULL; | |
| static cy_ble_event_handler_cb_t Cy_BLE_RTUSS_EventHandlerCallback = NULL; | |
| /* The internal storage for the last request handle to check response */ | |
| static cy_ble_gatt_db_attr_handle_t cy_ble_rtuscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES]; | |
| /* The pointer to a global BLE RTUS server config structure */ | |
| const cy_stc_ble_rtuss_config_t *cy_ble_rtussConfigPtr = NULL; | |
| /* The pointer to a global BLE RTUS client config structure */ | |
| const cy_stc_ble_rtusc_config_t *cy_ble_rtuscConfigPtr = NULL; | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSS_Init | |
| ***************************************************************************//** | |
| * | |
| * This function initializes server of the Reference Time Update service. | |
| * | |
| * \param config: Configuration structure for the RTUS. | |
| * | |
| * \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_RTUSS_Init(const cy_stc_ble_rtuss_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_rtussConfigPtr = config; | |
| /* Registers event handler for the RTUS */ | |
| apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_RTUS_EventHandler); | |
| /* Registers a pointer to server event handler function */ | |
| Cy_BLE_RTUSS_EventHandlerCallback = &Cy_BLE_RTUSS_EventHandler; | |
| } | |
| return(apiResult); | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSC_Init | |
| ***************************************************************************//** | |
| * | |
| * This function initializes client of the Reference Time Update service. | |
| * | |
| * \param config: Configuration structure for the RTUS. | |
| * | |
| * \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_RTUSC_Init(const cy_stc_ble_rtusc_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_rtuscConfigPtr = config; | |
| /* Registers event handler for the RTUS */ | |
| apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_RTUS_EventHandler); | |
| /* Registers a pointer to client event handler function */ | |
| Cy_BLE_RTUSC_EventHandlerCallback = &Cy_BLE_RTUSC_EventHandler; | |
| for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++) | |
| { | |
| uint32 servCnt = cy_ble_configPtr->context->discServiCount; | |
| uint32 rtusServIdx = cy_ble_rtuscConfigPtr->serviceDiscIdx; | |
| if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + rtusServIdx].range.startHandle == | |
| CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE) | |
| { | |
| /* Get pointer to RTUS client structure */ | |
| cy_stc_ble_rtusc_t *rtuscPtr = (cy_stc_ble_rtusc_t *)&cy_ble_rtuscConfigPtr->attrInfo[idx]; | |
| /* Clean client structure */ | |
| (void)memset(rtuscPtr, 0, sizeof(cy_stc_ble_rtusc_t)); | |
| /* Initialize uuid */ | |
| cy_ble_configPtr->context->serverInfo[(idx * servCnt) + rtusServIdx].uuid = | |
| CY_BLE_UUID_REF_TIME_UPDATE_SERVICE; | |
| } | |
| cy_ble_rtuscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE; | |
| } | |
| } | |
| return(apiResult); | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUS_RegisterAttrCallback | |
| ****************************************************************************//** | |
| * | |
| * Registers a callback function for Reference Time Update Service-specific | |
| * attribute operations. | |
| * Service-specific Write Requests from peer device will not be handled with | |
| * unregistered callback function. | |
| * | |
| * \param callbackFunc: An application layer event callback function to receive | |
| * events from the PSoC 6 BLE Middleware. The definition of cy_ble_callback_t | |
| * for RTUS is: \n | |
| * typedef void (* cy_ble_callback_t) (uint32_t eventCode, void *eventParam) | |
| * * eventCode indicates the event that triggered this | |
| * callback. | |
| * * eventParam contains the parameters corresponding to the | |
| * current event. | |
| * | |
| * \return | |
| * 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_OPERATION | This operation is not permitted | |
| * | |
| ******************************************************************************/ | |
| void Cy_BLE_RTUS_RegisterAttrCallback(cy_ble_callback_t callbackFunc) | |
| { | |
| Cy_BLE_RTUS_ApplCallback = callbackFunc; | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSS_SetCharacteristicValue | |
| ****************************************************************************//** | |
| * | |
| * Sets characteristic value of the Reference Time Update service, which is | |
| * identified by charIndex in the local database. | |
| * | |
| * \param charIndex: The index of a service characteristic of | |
| * type \ref cy_en_ble_rtus_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 is handled successfully. | |
| * CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameters failed. | |
| * | |
| *******************************************************************************/ | |
| cy_en_ble_api_result_t Cy_BLE_RTUSS_SetCharacteristicValue(cy_en_ble_rtus_char_index_t charIndex, | |
| uint8_t attrSize, | |
| uint8_t *attrValue) | |
| { | |
| cy_stc_ble_rtus_time_update_state_t tUState; | |
| cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER; | |
| cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo; | |
| dbAttrValInfo.connHandle.bdHandle = 0u; | |
| dbAttrValInfo.connHandle.attId = 0u; | |
| dbAttrValInfo.handleValuePair.value.len = attrSize; | |
| dbAttrValInfo.handleValuePair.value.val = attrValue; | |
| dbAttrValInfo.offset = 0u; | |
| dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED; | |
| if((CY_BLE_RTUS_CHAR_COUNT > charIndex)) | |
| { | |
| if(charIndex == CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT) | |
| { | |
| dbAttrValInfo.handleValuePair.attrHandle = cy_ble_rtussConfigPtr->attrInfo->timeUpdateCpHandle; | |
| if(*attrValue <= CY_BLE_RTUS_CANCEL_REF_UPDATE) | |
| { | |
| apiResult = CY_BLE_SUCCESS; | |
| } | |
| } | |
| else | |
| { | |
| dbAttrValInfo.handleValuePair.attrHandle = cy_ble_rtussConfigPtr->attrInfo->timeUpdateStateHandle; | |
| tUState = *(cy_stc_ble_rtus_time_update_state_t*)attrValue; | |
| if((tUState.result <= CY_BLE_RTUS_RESULT_NO_UPDATE_ATTEMPT) && | |
| (tUState.currentState <= CY_BLE_RTUS_CURR_STATE_UPDATE_PENDING)) | |
| { | |
| apiResult = CY_BLE_SUCCESS; | |
| } | |
| } | |
| /* Store data in database */ | |
| if(apiResult == CY_BLE_SUCCESS) | |
| { | |
| if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE) | |
| { | |
| apiResult = CY_BLE_ERROR_INVALID_PARAMETER; | |
| } | |
| } | |
| } | |
| return(apiResult); | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSS_GetCharacteristicValue | |
| ****************************************************************************//** | |
| * | |
| * Gets a characteristic value of the Reference Time Update service, which | |
| * is identified by charIndex. | |
| * | |
| * \param charIndex: The index of a service characteristic of | |
| * type \ref cy_en_ble_rtus_char_index_t. | |
| * | |
| * \param attrSize: The size of the characteristic value attribute. | |
| * | |
| * \param attrValue: The pointer to the location where | |
| * characteristic value data should be stored. | |
| * | |
| * \return | |
| * A return value of type \ref cy_en_ble_api_result_t. | |
| * | |
| * Error Codes | Description | |
| * ------------ | ----------- | |
| * CY_BLE_SUCCESS | The request was handled successfully. | |
| * CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed. | |
| * | |
| *******************************************************************************/ | |
| cy_en_ble_api_result_t Cy_BLE_RTUSS_GetCharacteristicValue(cy_en_ble_rtus_char_index_t charIndex, | |
| uint8_t attrSize, | |
| uint8_t *attrValue) | |
| { | |
| cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER; | |
| cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo; | |
| dbAttrValInfo.connHandle.bdHandle = 0u; | |
| dbAttrValInfo.connHandle.attId = 0u; | |
| dbAttrValInfo.handleValuePair.value.len = attrSize; | |
| dbAttrValInfo.handleValuePair.value.val = attrValue; | |
| dbAttrValInfo.offset = 0u; | |
| dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED; | |
| if(CY_BLE_RTUS_CHAR_COUNT > charIndex) | |
| { | |
| /* Read characteristic value from database */ | |
| if(charIndex == CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT) | |
| { | |
| dbAttrValInfo.handleValuePair.attrHandle = cy_ble_rtussConfigPtr->attrInfo->timeUpdateCpHandle; | |
| } | |
| else | |
| { | |
| dbAttrValInfo.handleValuePair.attrHandle = cy_ble_rtussConfigPtr->attrInfo->timeUpdateStateHandle; | |
| } | |
| if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE) | |
| { | |
| apiResult = CY_BLE_SUCCESS; | |
| } | |
| } | |
| return(apiResult); | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSS_WriteCmdEventHandler | |
| ****************************************************************************//** | |
| * | |
| * Handles the Write Without Response Request event for the Reference Time Update | |
| * service. | |
| * | |
| * \param eventParam: The pointer to a data structure specified by the event. | |
| * | |
| * | |
| *******************************************************************************/ | |
| static void Cy_BLE_RTUSS_WriteCmdEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam) | |
| { | |
| if(Cy_BLE_RTUS_ApplCallback != NULL) | |
| { | |
| /* Check whether attribute handle is handle of Time Update Control Point | |
| * Characteristic of Reference Time Update service. */ | |
| if((cy_ble_rtussConfigPtr->attrInfo->timeUpdateCpHandle == eventParam->handleValPair.attrHandle) && | |
| (CY_BLE_RTUS_TIME_UPDATE_CP_SIZE == eventParam->handleValPair.value.len) && | |
| (CY_BLE_RTUS_CANCEL_REF_UPDATE >= eventParam->handleValPair.value.val[0u])) | |
| { | |
| /* Input parameters validation passed, so save Time Update Control Point value */ | |
| 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; | |
| if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE) | |
| { | |
| cy_stc_ble_rtus_char_value_t wrCmdParam; | |
| wrCmdParam.connHandle = eventParam->connHandle; | |
| wrCmdParam.charIndex = CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT; | |
| wrCmdParam.value = &eventParam->handleValPair.value; | |
| /* Send callback to user if no error occurred while writing Time Update Control | |
| * Point. | |
| */ | |
| Cy_BLE_RTUS_ApplCallback((uint32_t)CY_BLE_EVT_RTUSS_WRITE_CHAR_CMD, (void*)&wrCmdParam); | |
| cy_ble_eventHandlerFlag &= (uint8_t)(~CY_BLE_CALLBACK); | |
| } | |
| } | |
| /* As this handler handles Write Without Response request the Error Response | |
| * can't be sent for the client. The erroneous value will be with | |
| * CY_BLE_EVT_GATTS_WRITE_CMD_REQ event. User will decide how to handle it. */ | |
| } | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSC_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_RTUSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo) | |
| { | |
| /* RTUS characteristics UUIDs */ | |
| static const cy_ble_uuid16_t cy_ble_rtusCharUuid[CY_BLE_RTUS_CHAR_COUNT] = | |
| { | |
| CY_BLE_UUID_CHAR_TIME_UPDATE_CONTROL_POINT, | |
| CY_BLE_UUID_CHAR_TIME_UPDATE_STATE | |
| }; | |
| uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle); | |
| uint32_t rtusDiscIdx = cy_ble_rtuscConfigPtr->serviceDiscIdx; | |
| uint32_t i; | |
| if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) && | |
| (cy_ble_configPtr->context->discovery[discIdx].servCount == rtusDiscIdx)) | |
| { | |
| for(i = 0u; i < (uint32_t)CY_BLE_RTUS_CHAR_COUNT; i++) | |
| { | |
| if(cy_ble_rtusCharUuid[i] == discCharInfo->uuid.uuid16) | |
| { | |
| /* Get pointer (with offset) to RTUS client structure with attribute handles */ | |
| cy_stc_ble_rtusc_t *rtuscPtr = (cy_stc_ble_rtusc_t *)&cy_ble_rtuscConfigPtr->attrInfo[discIdx]; | |
| if(rtuscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE) | |
| { | |
| rtuscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle; | |
| rtuscPtr->charInfo[i].properties = discCharInfo->properties; | |
| } | |
| else | |
| { | |
| Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo); | |
| } | |
| } | |
| } | |
| /* Indicate that request was handled */ | |
| cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK; | |
| } | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSC_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_RTUSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo) | |
| { | |
| uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle); | |
| uint32_t rtusDiscIdx = cy_ble_rtuscConfigPtr->serviceDiscIdx; | |
| if(cy_ble_configPtr->context->discovery[discIdx].servCount == rtusDiscIdx) | |
| { | |
| /* RTUS does not have any descriptions, return CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE */ | |
| charRangeInfo->range.startHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE; | |
| charRangeInfo->range.endHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE; | |
| /* Indicate that request was handled */ | |
| cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK; | |
| } | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSC_ReadResponseEventHandler | |
| ****************************************************************************//** | |
| * | |
| * Handles Read Response event for Reference Time Update service. | |
| * | |
| * \param eventParam: The pointer to the data that came with a read response for RTUS. | |
| * | |
| * | |
| ******************************************************************************/ | |
| static void Cy_BLE_RTUSC_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_RTUS_ApplCallback != NULL) && | |
| (cy_ble_rtuscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)) | |
| { | |
| /* Get pointer (with offset) to RTUS client structure with attribute handles */ | |
| cy_stc_ble_rtusc_t *rtuscPtr = (cy_stc_ble_rtusc_t *)&cy_ble_rtuscConfigPtr->attrInfo[discIdx]; | |
| if(rtuscPtr->charInfo[CY_BLE_RTUS_TIME_UPDATE_STATE].valueHandle == cy_ble_rtuscReqHandle[discIdx]) | |
| { | |
| /* Fill Reference Time Update service read response parameter structure with | |
| * characteristic info. | |
| */ | |
| cy_stc_ble_rtus_char_value_t rdRspParam; | |
| rdRspParam.connHandle = eventParam->connHandle; | |
| rdRspParam.charIndex = CY_BLE_RTUS_TIME_UPDATE_STATE; | |
| rdRspParam.value = &eventParam->value; | |
| Cy_BLE_RTUS_ApplCallback((uint32_t)CY_BLE_EVT_RTUSC_READ_CHAR_RESPONSE, (void*)&rdRspParam); | |
| cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK; | |
| cy_ble_rtuscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE; | |
| } | |
| } | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSC_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 #CY_BLE_EVT_RTUSS_WRITE_CHAR_CMD 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. | |
| * \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_INVALID_STATE | Connection with the server is not established. | |
| * CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed. | |
| * | |
| ******************************************************************************/ | |
| cy_en_ble_api_result_t Cy_BLE_RTUSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle, | |
| cy_en_ble_rtus_char_index_t charIndex, | |
| uint8_t attrSize, | |
| uint8_t *attrValue) | |
| { | |
| cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER; | |
| uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle); | |
| /* Get pointer (with offset) to RTUS client structure with attribute handles */ | |
| cy_stc_ble_rtusc_t *rtuscPtr = (cy_stc_ble_rtusc_t *)&cy_ble_rtuscConfigPtr->attrInfo[discIdx]; | |
| if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED) | |
| { | |
| apiResult = CY_BLE_ERROR_INVALID_STATE; | |
| } | |
| else if((discIdx < cy_ble_configPtr->params->maxClientCount) && (attrValue != NULL) && | |
| (charIndex == CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT) && | |
| (rtuscPtr->charInfo[CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT].valueHandle != | |
| CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)) | |
| { | |
| /* Fill all fields of write command request structure ... */ | |
| cy_stc_ble_gattc_write_cmd_req_t wrReqParam; | |
| wrReqParam.handleValPair.value.val = attrValue; | |
| wrReqParam.handleValPair.value.len = attrSize; | |
| wrReqParam.handleValPair.attrHandle = rtuscPtr->charInfo[CY_BLE_RTUS_TIME_UPDATE_CONTROL_POINT].valueHandle; | |
| wrReqParam.connHandle = connHandle; | |
| /* Send request to write characteristic value */ | |
| apiResult = Cy_BLE_GATTC_WriteWithoutResponse(&wrReqParam); | |
| } | |
| else | |
| { | |
| /* apiResult equals to CY_BLE_ERROR_INVALID_PARAMETER */ | |
| } | |
| return(apiResult); | |
| } | |
| /******************************************************************************* | |
| * Function Name: Cy_BLE_RTUSC_GetCharacteristicValue | |
| ****************************************************************************//** | |
| * | |
| * Sends a request to a peer device to set characteristic value of the Reference | |
| * Time Update service, which is identified by charIndex. | |
| * | |
| * \param connHandle: The connection handle. | |
| * \param charIndex: The index of a service characteristic. | |
| * | |
| * \return | |
| * A return value of type \ref cy_en_ble_api_result_t. | |
| * | |
| * Error Codes | Description | |
| * ------------ | ----------- | |
| * CY_BLE_SUCCESS | The Read 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. | |
| * | |
| * \events | |
| * In case of successful execution (return value = \ref CY_BLE_SUCCESS) | |
| * the following events can appear: \n | |
| * If the RTUS service-specific callback is registered | |
| * (with \ref Cy_BLE_RTUS_RegisterAttrCallback): | |
| * * #CY_BLE_EVT_RTUSC_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 cy_stc_ble_rtus_char_value_t. | |
| * . | |
| * Otherwise (if the RTUS service-specific callback is not registered): | |
| * * #CY_BLE_EVT_GATTC_READ_RSP - In case if the requested attribute is | |
| * successfully read on the peer device, | |
| * the details (handle, value, etc.) are | |
| * provided with event parameters | |
| * structure (cy_stc_ble_gattc_read_rsp_param_t). | |
| * * #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 (cy_stc_ble_gatt_err_param_t). | |
| * | |
| *******************************************************************************/ | |
| cy_en_ble_api_result_t Cy_BLE_RTUSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle, | |
| cy_en_ble_rtus_char_index_t charIndex) | |
| { | |
| cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS; | |
| uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle); | |
| if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED) | |
| { | |
| apiResult = CY_BLE_ERROR_INVALID_STATE; | |
| } | |
| else if(discIdx >= cy_ble_configPtr->params->maxClientCount) | |
| { | |
| apiResult = CY_BLE_ERROR_INVALID_PARAMETER; | |
| } | |
| else | |
| { | |
| if(charIndex == CY_BLE_RTUS_TIME_UPDATE_STATE) | |
| { | |
| /* Get pointer (with offset) to RTUS client structure with attribute handles */ | |
| cy_stc_ble_rtusc_t *rtuscPtr = (cy_stc_ble_rtusc_t *)&cy_ble_rtuscConfigPtr->attrInfo[discIdx]; | |
| cy_stc_ble_gattc_read_req_t readReqParam; | |
| readReqParam.attrHandle = rtuscPtr->charInfo[CY_BLE_RTUS_TIME_UPDATE_STATE].valueHandle; | |
| readReqParam.connHandle = connHandle; | |
| /* Send request to read characteristic value */ | |
| apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam); | |
| if(apiResult == CY_BLE_SUCCESS) | |
| { | |
| cy_ble_rtuscReqHandle[discIdx] = rtuscPtr->charInfo[CY_BLE_RTUS_TIME_UPDATE_STATE].valueHandle; | |
| } | |
| } | |
| } | |
| return(apiResult); | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUS_EventHandler | |
| ***************************************************************************//** | |
| * | |
| * Handles the events from the BLE Stack for the Reference Time Update 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_RTUS_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_RTUSS_EventHandlerCallback != NULL) | |
| { | |
| gattErr = Cy_BLE_RTUSS_EventHandlerCallback(eventCode, eventParam); | |
| } | |
| /************************************ | |
| * Handling GATT Client events | |
| ***********************************/ | |
| if(Cy_BLE_RTUSC_EventHandlerCallback != NULL) | |
| { | |
| (void)Cy_BLE_RTUSC_EventHandlerCallback(eventCode, eventParam); | |
| } | |
| return(gattErr); | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSS_EventHandler | |
| ***************************************************************************//** | |
| * | |
| * Handles the server events from the BLE Stack for the Reference Time Update 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_RTUSS_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_CMD_REQ: | |
| Cy_BLE_RTUSS_WriteCmdEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam); | |
| break; | |
| default: | |
| break; | |
| } | |
| return (gattErr); | |
| } | |
| /****************************************************************************** | |
| * Function Name: Cy_BLE_RTUSC_EventHandler | |
| ***************************************************************************//** | |
| * | |
| * Handles the client events from the BLE Stack for the Reference Time Update 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_RTUSC_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_RTUSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam); | |
| break; | |
| case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE: | |
| Cy_BLE_RTUSC_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_READ_RSP: | |
| Cy_BLE_RTUSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam); | |
| break; | |
| default: | |
| break; | |
| } | |
| } | |
| return(gattErr); | |
| } | |
| #endif /* CY_BLE_LIB_HOST_CORE */ | |
| #endif /* CY_IP_MXBLESS */ | |
| /* [] END OF FILE */ |