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bless/cy_ble_hids.c

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/***************************************************************************//**
* \file cy_ble_hids.c
* \version 3.60
*
* \brief
* Contains the source code for the HID service.
*
********************************************************************************
* \copyright
* Copyright 2017-2021, Cypress Semiconductor Corporation. All rights reserved.
* You may use this file only in accordance with the license, terms, conditions,
* disclaimers, and limitations in the end user license agreement accompanying
* the software package with which this file was provided.
*******************************************************************************/
#include "cy_ble_event_handler.h"
#if defined(CY_IP_MXBLESS)
#if CY_BLE_LIB_HOST_CORE
/*******************************************************************************
* Internal Defines / Macro Functions
*******************************************************************************/
#define CY_BLE_HIDSS_CHAR_COUNT ((uint8_t)CY_BLE_HIDS_CHAR_COUNT + cy_ble_hidssConfigPtr->reportCount)
#define CY_BLE_HIDSC_CHAR_COUNT ((uint8_t)CY_BLE_HIDS_CHAR_COUNT + cy_ble_hidscConfigPtr->reportCount)
#define CY_BLE_HIDSS_REPORT_END ((uint8_t)CY_BLE_HIDS_REPORT + cy_ble_hidssConfigPtr->reportCount)
#define CY_BLE_HIDSC_REPORT_END ((uint8_t)CY_BLE_HIDS_REPORT + cy_ble_hidscConfigPtr->reportCount)
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HIDS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HIDSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HIDSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_HIDSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static uint32_t Cy_BLE_HIDSS_CccdWriteEventHandler(const cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_HIDSS_OnDeviceConnected(void);
static void Cy_BLE_HIDSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_HIDSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_HIDSC_InclDiscoveryEventHandler(const cy_stc_ble_disc_incl_info_t *discInclInfo);
static void Cy_BLE_HIDSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_HIDSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_HIDSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_HIDSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_HIDSC_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_HIDS_ApplCallback;
static cy_ble_event_handler_cb_t Cy_BLE_HIDSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_HIDSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_hidscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE HIDS server config structure */
const cy_stc_ble_hidss_config_t *cy_ble_hidssConfigPtr = NULL;
/* The pointer to a global BLE HIDS client config structure */
const cy_stc_ble_hidsc_config_t *cy_ble_hidscConfigPtr = NULL;
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_Init
***************************************************************************//**
*
* This function initializes server of the HID service.
*
* \param config: Configuration structure for the HID.
*
* \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_HIDSS_Init(const cy_stc_ble_hidss_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_hidssConfigPtr = config;
/* Registers event handler for the HID */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HIDS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_HIDSS_EventHandlerCallback = &Cy_BLE_HIDSS_EventHandler;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_Init
***************************************************************************//**
*
* This function initializes client of the HID service.
*
* \param config: Configuration structure for the HID.
*
* \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_HIDSC_Init(const cy_stc_ble_hidsc_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_hidscConfigPtr = config;
/* Registers event handler for the HID */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_HIDS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_HIDSC_EventHandlerCallback = &Cy_BLE_HIDSC_EventHandler;
/* Init GATT client part */
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32_t locServIdx;
for(locServIdx = 0u; locServIdx < cy_ble_hidscConfigPtr->serviceCount; locServIdx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 hidsServIdx = cy_ble_hidscConfigPtr->serviceDiscIdx + locServIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hidsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(idx * cy_ble_hidscConfigPtr->serviceCount) + locServIdx];
/* Get pointer to HIDS client structure */
(void)memset(hidscPtr, 0, sizeof(cy_stc_ble_hidsc_t));
/* initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + hidsServIdx].uuid =
CY_BLE_UUID_HIDS_SERVICE;
}
}
cy_ble_hidscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return (apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDS_RegisterAttrCallback
***************************************************************************//**
*
* Registers a callback function for HID 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 \ref cy_ble_callback_t
* for HID 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_HIDSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_hids_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
* \sideeffect
* The *eventParams in the callback function should not be used by the
* application once the callback function execution is finished. Otherwise
* this data may become corrupted.
*
******************************************************************************/
void Cy_BLE_HIDS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_HIDS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of HID service, which is a value
* identified by charIndex, to the local database.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services are
* supported in your design, then first service will be identified
* by serviceIndex of 0 and the second by serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hids_char_index_t. The valid values are,
* * \ref CY_BLE_HIDS_PROTOCOL_MODE - Protocol Mode characteristic
* * \ref CY_BLE_HIDS_REPORT_MAP - Report Map characteristic
* * \ref CY_BLE_HIDS_INFORMATION - HID Information characteristic
* * \ref CY_BLE_HIDS_CONTROL_POINT - HID Control Point characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_IN_REP - Boot Keyboard Input Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_OUT_REP - Boot Keyboard Output Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_MOUSE_IN_REP - Boot Mouse Input Report Characteristic
* * \ref CY_BLE_HIDS_REPORT - Report Characteristic
*
* \param attrSize: The size of the characteristic value attribute.
*
* \param attrValue: The pointer to the characteristic value data that should be
* stored in the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE| An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HIDSS_SetCharacteristicValue(uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
cy_ble_gatt_db_attr_handle_t charValueHandle;
if((serviceIndex >= cy_ble_hidssConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSS_CHAR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
switch(charIndex)
{
case CY_BLE_HIDS_PROTOCOL_MODE:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].protocolModeHandle;
break;
case CY_BLE_HIDS_REPORT_MAP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportMapHandle;
break;
case CY_BLE_HIDS_INFORMATION:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].informationHandle;
break;
case CY_BLE_HIDS_CONTROL_POINT:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].controlPointHandle;
break;
case CY_BLE_HIDS_BOOT_KYBRD_IN_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX].reportHandle;
break;
case CY_BLE_HIDS_BOOT_KYBRD_OUT_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_OUT_REP_INDX].reportHandle;
break;
case CY_BLE_HIDS_BOOT_MOUSE_IN_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX].reportHandle;
break;
default: /* Report characteristic */
/* Verify that requested report exists in particular service */
if(((uint8_t)charIndex - (uint8_t)CY_BLE_HIDS_REPORT) <
cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportCount)
{
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
reportArray[charIndex - CY_BLE_HIDS_REPORT].reportHandle;
}
else
{
charValueHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
break;
}
if(charValueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Store data in database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = charValueHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets local characteristic value of the specified HID service characteristics.
* The value is identified by charIndex.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services are
* supported in your design, then first service will be identified
* by serviceIndex of 0 and the second by serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hids_char_index_t. The valid values are,
* * \ref CY_BLE_HIDS_PROTOCOL_MODE - Protocol Mode characteristic
* * \ref CY_BLE_HIDS_REPORT_MAP - Report Map characteristic
* * \ref CY_BLE_HIDS_INFORMATION - HID Information characteristic
* * \ref CY_BLE_HIDS_CONTROL_POINT - HID Control Point characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_IN_REP - Boot Keyboard Input Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_OUT_REP - Boot Keyboard Output Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_MOUSE_IN_REP - Boot Mouse Input Report Characteristic
* * \ref CY_BLE_HIDS_REPORT - Report Characteristic
*
* \param attrSize: The size of the characteristic value attribute.
*
* \param attrValue: The pointer to the location where characteristic value data
* should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional characteristic is absent
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HIDSS_GetCharacteristicValue(uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
cy_ble_gatt_db_attr_handle_t charValueHandle;
if((serviceIndex >= cy_ble_hidssConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSS_CHAR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
switch(charIndex)
{
case CY_BLE_HIDS_PROTOCOL_MODE:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].protocolModeHandle;
break;
case CY_BLE_HIDS_REPORT_MAP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportMapHandle;
break;
case CY_BLE_HIDS_INFORMATION:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].informationHandle;
break;
case CY_BLE_HIDS_CONTROL_POINT:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].controlPointHandle;
break;
case CY_BLE_HIDS_BOOT_KYBRD_IN_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX].reportHandle;
break;
case CY_BLE_HIDS_BOOT_KYBRD_OUT_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_OUT_REP_INDX].reportHandle;
break;
case CY_BLE_HIDS_BOOT_MOUSE_IN_REP:
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX].reportHandle;
break;
default: /* Report characteristic */
/* Verify that requested report exists in particular service */
if(((uint8_t)charIndex - (uint8_t)CY_BLE_HIDS_REPORT) <
cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportCount)
{
charValueHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
reportArray[charIndex - CY_BLE_HIDS_REPORT].reportHandle;
}
else
{
charValueHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
break;
}
if(charValueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Read characteristic value from database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = charValueHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets local characteristic descriptor of the specified HID service
* characteristic.
*
* \param connHandle: BLE peer device connection handle.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services are
* supported in your design, then first service will be identified
* by serviceIndex of 0 and the second by serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hids_char_index_t. The valid values are,
* * \ref CY_BLE_HIDS_REPORT_MAP - Report Map characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_IN_REP - Boot Keyboard Input Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_KYBRD_OUT_REP - Boot Keyboard Output Report Characteristic
* * \ref CY_BLE_HIDS_BOOT_MOUSE_IN_REP - Boot Mouse Input Report Characteristic
* * \ref CY_BLE_HIDS_REPORT - Report Characteristic
*
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hids_descr_t. The valid values are,
* * \ref CY_BLE_HIDS_REPORT_CCCD - Client Characteristic Configuration descriptor
* * \ref CY_BLE_HIDS_REPORT_RRD - Report Reference descriptor
* * \ref CY_BLE_HIDS_REPORT_MAP_ERRD - Report Map External Report Reference descriptor
*
* \param attrSize: The size of the descriptor value attribute.
*
* \param attrValue: The pointer to the location where characteristic descriptor
* value data should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional descriptor is absent
*
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HIDSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
cy_en_ble_hids_descr_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
cy_ble_gatt_db_attr_handle_t locDescrHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
const cy_stc_ble_hidss_report_t *locReport;
if((serviceIndex >= cy_ble_hidssConfigPtr->serviceCount) || (descrIndex >= CY_BLE_HIDS_DESCR_COUNT) ||
((uint8_t)charIndex >= CY_BLE_HIDSS_CHAR_COUNT) || (charIndex < CY_BLE_HIDS_REPORT_MAP) ||
(charIndex == CY_BLE_HIDS_BOOT_KYBRD_OUT_REP))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
if(charIndex == CY_BLE_HIDS_REPORT_MAP)
{
if(descrIndex == CY_BLE_HIDS_REPORT_MAP_ERRD)
{
locDescrHandle = cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportMapErrdHandle;
}
else
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
else /* Report characteristics */
{
/* Get report structure */
if((charIndex >= CY_BLE_HIDS_BOOT_KYBRD_IN_REP) && (charIndex <= CY_BLE_HIDS_BOOT_MOUSE_IN_REP))
{
locReport = &cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[charIndex - CY_BLE_HIDS_BOOT_KYBRD_IN_REP];
}
else
{
locReport = &cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
reportArray[charIndex - CY_BLE_HIDS_REPORT];
}
/* Get descriptor handle from report structure */
if(descrIndex == CY_BLE_HIDS_REPORT_CCCD)
{
locDescrHandle = locReport->cccdHandle;
}
else if(descrIndex == CY_BLE_HIDS_REPORT_RRD)
{
locDescrHandle = locReport->rrdHandle;
}
else /* External Report Reference descriptor doesn't exist for report characteristic */
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
if(locDescrHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Read value from database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = locDescrHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_CccdWriteEventHandler
***************************************************************************//**
*
* Handles the Write Request event of the client Characteristic Configuration
* descriptor.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* \return
* uint32_t eventCode: The event code to be send to application.
*
******************************************************************************/
static uint32_t Cy_BLE_HIDSS_CccdWriteEventHandler(const cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
uint32_t eventCode;
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_NOTIFICATION_ENABLED;
}
else
{
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_NOTIFICATION_DISABLED;
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
return(eventCode);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_WriteEventHandler
***************************************************************************//**
*
* Handles the Write Request event.
*
* \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.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_HIDSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
uint8_t locServIndex = 0u;
uint32_t reportIndex;
cy_en_ble_hids_char_index_t locCharIndex;
cy_stc_ble_hids_char_value_t locCharValue;
uint32_t eventCode = 0u;
if(Cy_BLE_HIDS_ApplCallback != NULL)
{
locCharValue.connHandle = eventParam->connHandle;
locCharValue.value = NULL;
do
{
locCharValue.serviceIndex = locServIndex;
/* Protocol Mode characteristic Write Request */
if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
protocolModeHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_PROTOCOL_MODE;
if(eventParam->handleValPair.value.len == CY_BLE_HIDS_PM_CHAR_LEN)
{
switch(eventParam->handleValPair.value.val[0u])
{
case CY_BLE_HIDS_PROTOCOL_MODE_BOOT:
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_BOOT_MODE_ENTER;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
case CY_BLE_HIDS_PROTOCOL_MODE_REPORT:
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_REPORT_MODE_ENTER;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
default: /* Reserved for Future Use. */
break;
}
}
}
/* Control Point characteristic Write Request */
else if(eventParam->handleValPair.attrHandle ==
cy_ble_hidssConfigPtr->attrInfo[locServIndex].controlPointHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_CONTROL_POINT;
if(eventParam->handleValPair.value.len == CY_BLE_HIDS_CP_CHAR_LEN)
{
switch(eventParam->handleValPair.value.val[0u])
{
case CY_BLE_HIDS_CP_SUSPEND:
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_SUSPEND;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
case CY_BLE_HIDS_CP_EXIT_SUSPEND:
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_EXIT_SUSPEND;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
default: /* Reserved for Future Use. */
break;
}
}
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX].reportHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_BOOT_KYBRD_IN_REP;
locCharValue.value = &eventParam->handleValPair.value;
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_REPORT_WRITE_CHAR;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX].cccdHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_BOOT_KYBRD_IN_REP;
eventCode = Cy_BLE_HIDSS_CccdWriteEventHandler(eventParam);
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_OUT_REP_INDX].reportHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_BOOT_KYBRD_OUT_REP;
locCharValue.value = &eventParam->handleValPair.value;
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_REPORT_WRITE_CHAR;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
bootReportArray[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX].reportHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_BOOT_MOUSE_IN_REP;
locCharValue.value = &eventParam->handleValPair.value;
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_REPORT_WRITE_CHAR;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(eventParam->handleValPair.attrHandle == cy_ble_hidssConfigPtr->attrInfo[locServIndex].
bootReportArray[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX].cccdHandle)
{
locCharValue.charIndex = CY_BLE_HIDS_BOOT_MOUSE_IN_REP;
eventCode = Cy_BLE_HIDSS_CccdWriteEventHandler(eventParam);
}
else
{
uint8_t locReqHandle = 0u;
locCharIndex = CY_BLE_HIDS_REPORT;
for(reportIndex = 0u; (reportIndex < cy_ble_hidssConfigPtr->attrInfo[locServIndex].reportCount) &&
(locReqHandle == 0u); reportIndex++)
{
if(eventParam->handleValPair.attrHandle ==
cy_ble_hidssConfigPtr->attrInfo[locServIndex].reportArray[reportIndex].reportHandle)
{
locCharValue.charIndex = locCharIndex;
locCharValue.value = &eventParam->handleValPair.value;
eventCode = (uint32_t)CY_BLE_EVT_HIDSS_REPORT_WRITE_CHAR;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
locReqHandle = 1u;
}
if(eventParam->handleValPair.attrHandle ==
cy_ble_hidssConfigPtr->attrInfo[locServIndex].reportArray[reportIndex].cccdHandle)
{
locCharValue.charIndex = locCharIndex;
eventCode = Cy_BLE_HIDSS_CccdWriteEventHandler(eventParam);
locReqHandle = 1u;
}
locCharIndex++;
}
}
locServIndex++;
/* Store data to database if event is handled */
if((cy_ble_eventHandlerFlag & CY_BLE_CALLBACK) == 0u)
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
/* Fill GATT database attribute value parameters */
dbAttrValInfo.handleValuePair.attrHandle = eventParam->handleValPair.attrHandle;
dbAttrValInfo.handleValuePair.value.len = eventParam->handleValPair.value.len;
dbAttrValInfo.handleValuePair.value.val = eventParam->handleValPair.value.val;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_PEER_INITIATED;
dbAttrValInfo.connHandle = eventParam->connHandle;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
Cy_BLE_HIDS_ApplCallback(eventCode, &locCharValue);
}
break;
}
}
while(locServIndex < cy_ble_hidssConfigPtr->serviceCount);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_SendNotification
***************************************************************************//**
*
* Sends specified HID service characteristic notification to the client device.
* \ref CY_BLE_EVT_HIDSC_NOTIFICATION event is received by the peer device, on invoking
* this function.
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_HIDSC_NOTIFICATION event
* at the GATT Client's end.
*
* \param connHandle: BLE peer device connection handle.
*
* \param serviceIndex: The index of the HID service instance. e.g. If two HID services
* are supported in your design, then first service will be
* identified by serviceIndex of 0 and the second by serviceIndex
* of 1.
*
* \param charIndex: The index of the service characteristic.
*
* \param attrSize: The size of the characteristic value attribute.
*
* \param attrValue: Pointer to the characteristic value data that should be sent to
* the client device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_NTF_DISABLED | Notification is not enabled by the client.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_HIDSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
const cy_stc_ble_hidss_report_t *locReport = NULL;
if((Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED) || (cy_ble_hidssConfigPtr == NULL))
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((serviceIndex >= cy_ble_hidssConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSS_CHAR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
if(charIndex == CY_BLE_HIDS_BOOT_KYBRD_IN_REP)
{
locReport = &cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX];
}
else if(charIndex == CY_BLE_HIDS_BOOT_MOUSE_IN_REP)
{
locReport = &cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
bootReportArray[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX];
}
else if((charIndex >= CY_BLE_HIDS_REPORT) && ((uint8_t)charIndex <= CY_BLE_HIDSS_REPORT_END))
{
/* Verify that requested report exists in particular service */
if(((uint8_t)charIndex - (uint8_t)CY_BLE_HIDS_REPORT) <
cy_ble_hidssConfigPtr->attrInfo[serviceIndex].reportCount)
{
locReport = &cy_ble_hidssConfigPtr->attrInfo[serviceIndex].
reportArray[charIndex - CY_BLE_HIDS_REPORT];
}
else
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
else
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
if((apiResult == CY_BLE_SUCCESS) && (locReport != NULL))
{
if(locReport->reportHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Send Notification if it is enabled */
if(CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, locReport->cccdHandle))
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ntf_t ntfReqParam;
ntfReqParam.handleValPair.attrHandle = locReport->reportHandle;
ntfReqParam.handleValPair.value.val = attrValue;
ntfReqParam.handleValPair.value.len = attrSize;
ntfReqParam.connHandle = connHandle;
/* ... and send notification to client device. */
apiResult = Cy_BLE_GATTS_Notification(&ntfReqParam);
}
else
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_OnDeviceConnected
***************************************************************************//**
*
* Handles the connection establishment request.
*
******************************************************************************/
static void Cy_BLE_HIDSS_OnDeviceConnected(void)
{
/* The Protocol Mode characteristic value shall be reset to the default value
* following a connection establishment */
uint8_t defaultProtocol = CY_BLE_HIDS_PROTOCOL_DEFAULT;
uint8_t locServIndex = 0u;
do
{
if(cy_ble_hidssConfigPtr->attrInfo[locServIndex].protocolModeHandle !=
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Store default protocol value in database */
CY_BLE_GATT_DB_ATTR_SET_GEN_VALUE(cy_ble_hidssConfigPtr->attrInfo[locServIndex].protocolModeHandle,
&defaultProtocol, sizeof(defaultProtocol));
}
++locServIndex;
}
while(locServIndex < cy_ble_hidssConfigPtr->serviceCount);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_InclDiscoveryEventHandler
***************************************************************************//**
*
* 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 discInclInfo: The pointer to an included service information structure.
*
******************************************************************************/
static void Cy_BLE_HIDSC_InclDiscoveryEventHandler(const cy_stc_ble_disc_incl_info_t *discInclInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discInclInfo->connHandle);
uint32_t hidsDiscIdx = cy_ble_hidscConfigPtr->serviceDiscIdx;
if((discInclInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount >= hidsDiscIdx) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount <= ((hidsDiscIdx + cy_ble_hidscConfigPtr->serviceCount) - 1u)))
{
/* The index of the service instance */
uint32_t hidsServIdx = cy_ble_configPtr->context->discovery[discIdx].servCount - hidsDiscIdx;
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + hidsServIdx];
hidscPtr->includeHandle = discInclInfo->inclDefHandle;
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_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_HIDSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
static cy_ble_gatt_db_attr_handle_t *lastEndHandle[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
static uint32_t discoveryLastServ[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t hidsDiscIdx = cy_ble_hidscConfigPtr->serviceDiscIdx;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount >= hidsDiscIdx) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount <= ((hidsDiscIdx + cy_ble_hidscConfigPtr->serviceCount) - 1u)))
{
/* The index of the service instance */
uint32_t hidsServIdx = cy_ble_configPtr->context->discovery[discIdx].servCount - hidsDiscIdx;
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + hidsServIdx];
/* Update last characteristic endHandle to declaration handle of this characteristic */
if(lastEndHandle[discIdx] != NULL)
{
if(discoveryLastServ[discIdx] == hidsServIdx)
{
*lastEndHandle[discIdx] = discCharInfo->charDeclHandle - 1u;
}
lastEndHandle[discIdx] = NULL;
}
switch(discCharInfo->uuid.uuid16)
{
case CY_BLE_UUID_CHAR_HIDS_PROTOCOL_MODE:
Cy_BLE_CheckStoreCharHandle(hidscPtr->protocolMode);
break;
case CY_BLE_UUID_CHAR_HIDS_INFORMATION:
Cy_BLE_CheckStoreCharHandle(hidscPtr->information);
break;
case CY_BLE_UUID_CHAR_HIDS_REPORT_MAP:
Cy_BLE_CheckStoreCharHandle(hidscPtr->reportMap);
lastEndHandle[discIdx] = &hidscPtr->reportMap.endHandle;
break;
case CY_BLE_UUID_CHAR_HIDS_CONTROL_POINT:
Cy_BLE_CheckStoreCharHandle(hidscPtr->controlPoint);
break;
case CY_BLE_UUID_CHAR_HIDS_REPORT:
Cy_BLE_CheckStoreCharHandle(hidscPtr->report[hidscPtr->reportCount]);
lastEndHandle[discIdx] = &hidscPtr->report[hidscPtr->reportCount].endHandle;
if(hidscPtr->reportCount < cy_ble_hidscConfigPtr->reportCount)
{
hidscPtr->reportCount++;
}
break;
case CY_BLE_UUID_CHAR_HIDS_BOOT_KEYBOARD_IN_RPT:
Cy_BLE_CheckStoreCharHandle(hidscPtr->bootReport[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX]);
lastEndHandle[discIdx] = &hidscPtr->bootReport[CY_BLE_HIDS_BOOT_KYBRD_IN_REP_INDX].endHandle;
break;
case CY_BLE_UUID_CHAR_HIDS_BOOT_KEYBOARD_OUT_RPT:
Cy_BLE_CheckStoreCharHandle(hidscPtr->bootReport[CY_BLE_HIDS_BOOT_KYBRD_OUT_REP_INDX]);
lastEndHandle[discIdx] = &hidscPtr->bootReport[CY_BLE_HIDS_BOOT_KYBRD_OUT_REP_INDX].endHandle;
break;
case CY_BLE_UUID_CHAR_HIDS_BOOT_MOUSE_IN_RPT:
Cy_BLE_CheckStoreCharHandle(hidscPtr->bootReport[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX]);
lastEndHandle[discIdx] = &hidscPtr->bootReport[CY_BLE_HIDS_BOOT_MOUSE_IN_REP_INDX].endHandle;
break;
default:
break;
}
/* 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;
/* Init service index of discovered characteristic */
discoveryLastServ[discIdx] = hidsServIdx;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_FIND_INFO_RSP event.
* This event is generated when the server successfully sends the data for
* #CY_BLE_GATT_FIND_INFO_REQ. Based on the service UUID, an appropriate data
* structure is populated to the service with a service callback.
*
* \param discDescrInfo: The pointer to a descriptor information structure.
*
******************************************************************************/
static void Cy_BLE_HIDSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t hidsDiscIdx = cy_ble_hidscConfigPtr->serviceDiscIdx;
if((cy_ble_configPtr->context->discovery[discIdx].servCount >= hidsDiscIdx) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount <= ((hidsDiscIdx + cy_ble_hidscConfigPtr->serviceCount) - 1u)))
{
uint32_t hidsServIdx = cy_ble_configPtr->context->discovery[discIdx].servCount -
cy_ble_hidscConfigPtr->serviceDiscIdx;
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + hidsServIdx];
switch((cy_en_ble_hids_char_index_t)cy_ble_configPtr->context->discovery[discIdx].charCount)
{
case CY_BLE_HIDS_REPORT_MAP:
/* Descriptors for reportMap characteristics */
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_EXTERNAL_REPORT_REF)
{
Cy_BLE_CheckStoreCharDescrHandle(hidscPtr->reportMap.errdHandle);
}
break;
case CY_BLE_HIDS_BOOT_KYBRD_IN_REP:
case CY_BLE_HIDS_BOOT_KYBRD_OUT_REP:
case CY_BLE_HIDS_BOOT_MOUSE_IN_REP:
{
/* Descriptors for report characteristics */
uint8_t bootRepIdx = cy_ble_configPtr->context->discovery[discIdx].charCount - (uint8_t)CY_BLE_HIDS_BOOT_KYBRD_IN_REP;
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
Cy_BLE_CheckStoreCharDescrHandle(hidscPtr->bootReport[bootRepIdx].cccdHandle);
}
else if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_REPORT_REFERENCE)
{
Cy_BLE_CheckStoreCharDescrHandle(hidscPtr->bootReport[bootRepIdx].rrdHandle);
}
else /* Report Characteristic doesn't support other descriptors */
{
}
break;
}
default:
{
if((cy_ble_configPtr->context->discovery[discIdx].charCount >= (uint8_t)CY_BLE_HIDS_REPORT) &&
(cy_ble_configPtr->context->discovery[discIdx].charCount <= CY_BLE_HIDSC_REPORT_END))
{
/* Descriptors for report characteristics */
uint32_t reportIdx = cy_ble_configPtr->context->discovery[discIdx].charCount - (uint32_t)CY_BLE_HIDS_REPORT;
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
Cy_BLE_CheckStoreCharDescrHandle(hidscPtr->report[reportIdx].cccdHandle);
}
else if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_REPORT_REFERENCE)
{
Cy_BLE_CheckStoreCharDescrHandle(hidscPtr->report[reportIdx].rrdHandle);
}
else /* Report Characteristic doesn't support other descriptors */
{
}
}
break;
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_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_HIDSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t hidsDiscIdx = cy_ble_hidscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if((cy_ble_configPtr->context->discovery[discIdx].servCount >= hidsDiscIdx) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount <= ((hidsDiscIdx + cy_ble_hidscConfigPtr->serviceCount) - 1u)))
{
/* The index of the service instance */
uint32_t hidsServIdx = cy_ble_configPtr->context->discovery[discIdx].servCount - hidsDiscIdx;
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + hidsServIdx];
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
while((cy_ble_configPtr->context->discovery[discIdx].charCount < CY_BLE_HIDSC_CHAR_COUNT) && (exitFlag == 0u))
{
switch((cy_en_ble_hids_char_index_t)cy_ble_configPtr->context->discovery[discIdx].charCount)
{
case CY_BLE_HIDS_REPORT_MAP:
/* Read report map characteristic range */
if((hidscPtr->reportMap.endHandle - hidscPtr->reportMap.valueHandle) != 0u)
{
charRangeInfo->range.startHandle = hidscPtr->reportMap.valueHandle + 1u;
charRangeInfo->range.endHandle = hidscPtr->reportMap.endHandle;
exitFlag = 1u;
}
break;
case CY_BLE_HIDS_BOOT_KYBRD_IN_REP:
case CY_BLE_HIDS_BOOT_KYBRD_OUT_REP:
case CY_BLE_HIDS_BOOT_MOUSE_IN_REP:
{
/* Read boot report characteristic range */
uint8_t bootRepIdx = cy_ble_configPtr->context->discovery[discIdx].charCount - (uint8_t)CY_BLE_HIDS_BOOT_KYBRD_IN_REP;
if((hidscPtr->bootReport[bootRepIdx].endHandle - hidscPtr->bootReport[bootRepIdx].valueHandle) != 0u)
{
charRangeInfo->range.startHandle = hidscPtr->bootReport[bootRepIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = hidscPtr->bootReport[bootRepIdx].endHandle;
exitFlag = 1u;
}
break;
}
default:
{
if((cy_ble_configPtr->context->discovery[discIdx].charCount >= (uint8_t)CY_BLE_HIDS_REPORT) &&
(cy_ble_configPtr->context->discovery[discIdx].charCount <= CY_BLE_HIDSC_REPORT_END))
{
/* Read report characteristic range */
uint8_t reportIdx = cy_ble_configPtr->context->discovery[discIdx].charCount - (uint8_t)CY_BLE_HIDS_REPORT;
if((hidscPtr->report[reportIdx].endHandle - hidscPtr->report[reportIdx].valueHandle) != 0u)
{
charRangeInfo->range.startHandle = hidscPtr->report[reportIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = hidscPtr->report[reportIdx].endHandle;
exitFlag = 1u;
}
}
break;
}
}
if(exitFlag == 0u)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_SetCharacteristicValue
***************************************************************************//**
*
* Sends a request to set characteristic value of the specified HID service,
* which is identified by serviceIndex and reportIndex, on the server device.
*
* This function call can result in generation of the following events based on
* the response from the server device:
* * \ref CY_BLE_EVT_HIDSC_WRITE_CHAR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* \param connHandle: The connection handle.
*
* \param subProcedure: Characteristic value write sub-procedure.
* * \ref CY_BLE_HIDSC_WRITE_WITHOUT_RESPONSE
* * \ref CY_BLE_HIDSC_WRITE_CHAR_VALUE
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services
* are supported in your design, then first service will be
* identified by serviceIndex of 0 and the second by
* serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_hids_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_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* 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 HIDS service-specific callback is registered
* with \ref Cy_BLE_HIDS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_HIDSC_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_hids_char_value_t.
* .
* Otherwise, if the HIDS service-specific callback is not registered:
* * \ref CY_BLE_EVT_GATTC_WRITE_RSP - In case if the requested attribute is
* successfully written on the peer device.
* * \ref 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_HIDSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hidsc_char_write_t subProcedure,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
cy_ble_gatt_db_attr_handle_t charValueHandle;
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((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
charValueHandle = Cy_BLE_HIDSC_GetCharacteristicValueHandle(connHandle, serviceIndex, charIndex);
if(charValueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Fill Write command request parameters */
cy_stc_ble_gattc_write_cmd_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = charValueHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
/* Use WriteWithoutResponse sub-procedure for the following characteristics:
* CY_BLE_HIDS_PROTOCOL_MODE
* CY_BLE_HIDS_CONTROL_POINT
*/
if(subProcedure == CY_BLE_HIDSC_WRITE_WITHOUT_RESPONSE)
{
apiResult = Cy_BLE_GATTC_WriteWithoutResponse(&writeReqParam);
}
else
{
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
/* Save handle to support service-specific Write Response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hidscReqHandle[discIdx] = charValueHandle;
}
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_GetCharacteristicValue
***************************************************************************//**
*
* This function is used to read the characteristic value from a server
* which is identified by charIndex.
* The Read Response returns the characteristic value in the Attribute Value
* parameter.
* The Read Response only contains the characteristic value that is less than or
* equal to (MTU - 1) octets in length. If the characteristic value is greater
* than (MTU - 1) octets in length, the Read Long Characteristic Value procedure
* may be used if the rest of the characteristic Value is required.
*
* \param connHandle: The connection handle.
*
* \param subProcedure: The characteristic value read sub-procedure.
* * \ref CY_BLE_HIDSC_READ_CHAR_VALUE
* * \ref CY_BLE_HIDSC_READ_LONG_CHAR_VALUE.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services
* are supported in your design, then first service will be
* identified by serviceIndex of 0 and the second by
* serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_hids_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 HID service-specific callback is registered
* with \ref Cy_BLE_HIDS_RegisterAttrCallback():
* * #CY_BLE_EVT_HIDSC_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_hids_char_value_t.
* .
* Otherwise (if an HID 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_READ_BLOB_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 \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_HIDSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_hidsc_char_read_t subProcedure,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
cy_ble_gatt_db_attr_handle_t charValueHandle;
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((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
charValueHandle = Cy_BLE_HIDSC_GetCharacteristicValueHandle(connHandle, serviceIndex, charIndex);
if(charValueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Use Read Long Characteristic procedure for Report map characteristic */
if(subProcedure == CY_BLE_HIDSC_READ_LONG_CHAR_VALUE)
{
cy_stc_ble_gattc_read_blob_req_t charReadLongParam;
/* Fill Read blob request parameter */
charReadLongParam.handleOffset.attrHandle = charValueHandle;
charReadLongParam.handleOffset.offset = 0u;
charReadLongParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadLongCharacteristicValues(&charReadLongParam);
}
else
{
/* Fill Read Request parameter */
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = charValueHandle;
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_hidscReqHandle[discIdx] = charValueHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to the peer device to set the characteristic descriptor of the
* specified characteristic of HID service.
*
* Internally, Write Request is sent to the GATT Server and on successful
* execution of the request on the server side, the following events can be
* generated:
* * \ref CY_BLE_EVT_HIDSS_NOTIFICATION_ENABLED
* * \ref CY_BLE_EVT_HIDSS_NOTIFICATION_DISABLED
*
* \param connHandle: The BLE peer device connection handle.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services
* are supported in your design, then first service will be
* identified by serviceIndex of 0 and the second by
* serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hids_char_index_t.
*
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hids_descr_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_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HIDS service-specific callback is registered
* with \ref Cy_BLE_HIDS_RegisterAttrCallback():
* * #CY_BLE_EVT_HIDSC_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_hids_descr_value_t.
* .
* Otherwise (if an HID 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_HIDSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
cy_en_ble_hids_descr_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
cy_ble_gatt_db_attr_handle_t locDescrHandle;
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((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT) ||
(descrIndex >= CY_BLE_HIDS_DESCR_COUNT) || (charIndex < CY_BLE_HIDS_REPORT_MAP) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
locDescrHandle = Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle(connHandle, serviceIndex, charIndex, descrIndex);
if(locDescrHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = locDescrHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
/* ... and send request to server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_hidscReqHandle[discIdx] = locDescrHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of the specified characteristic of the HID
* service from the server device.
* This function call can result in generation of the following events based on
* the response from the server device.
* * \ref CY_BLE_EVT_HIDSC_READ_DESCR_RESPONSE
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP
*
* \param connHandle: The connection handle.
*
* \param serviceIndex: The index of the service instance. e.g. If two HID services
* are supported in your design, then first service will be
* identified by serviceIndex of 0 and the second by
* serviceIndex of 1.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_hids_char_index_t.
*
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_hids_descr_t.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | This operation is not permitted on the specified attribute.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular descriptor
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the HID service-specific callback is registered
* with \ref Cy_BLE_HIDS_RegisterAttrCallback():
* * #CY_BLE_EVT_HIDSC_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_hids_descr_value_t.
* .
* Otherwise (if an HID 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_HIDSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
cy_en_ble_hids_descr_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
cy_stc_ble_gattc_read_req_t readReqParam;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
if((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT) ||
(descrIndex >= CY_BLE_HIDS_DESCR_COUNT) || (charIndex < CY_BLE_HIDS_REPORT_MAP) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
readReqParam.attrHandle = Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle(connHandle, serviceIndex, charIndex,
descrIndex);
if(readReqParam.attrHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
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_hidscReqHandle[discIdx] = readReqParam.attrHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_NotificationEventHandler
***************************************************************************//**
*
* Handles the Notification event.
*
* \param eventParam: pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_HIDSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
uint8_t locServIndex;
cy_en_ble_hids_char_index_t locCharIndex;
if(Cy_BLE_HIDS_ApplCallback != NULL)
{
for(locServIndex = 0u; locServIndex < cy_ble_hidscConfigPtr->serviceCount; locServIndex++)
{
for(locCharIndex = CY_BLE_HIDS_PROTOCOL_MODE; (uint8_t)locCharIndex < CY_BLE_HIDSC_CHAR_COUNT; locCharIndex++)
{
if(Cy_BLE_HIDSC_GetCharacteristicValueHandle(eventParam->connHandle, locServIndex, locCharIndex) ==
eventParam->handleValPair.attrHandle)
{
cy_stc_ble_hids_char_value_t notifValue;
notifValue.connHandle = eventParam->connHandle;
notifValue.serviceIndex = locServIndex;
notifValue.charIndex = locCharIndex;
notifValue.value = &eventParam->handleValPair.value;
Cy_BLE_HIDS_ApplCallback((uint32_t)CY_BLE_EVT_HIDSC_NOTIFICATION, &notifValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles the Read Response event.
*
* \param eventParam: pointer to the data structure specified by the event.
*
*
******************************************************************************/
static void Cy_BLE_HIDSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
uint8_t locReqHandle = 0u;
uint8_t locServIndex;
cy_en_ble_hids_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HIDS_ApplCallback != NULL) &&
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_hidscReqHandle[discIdx]))
{
for(locServIndex = 0u; (locServIndex < cy_ble_hidscConfigPtr->serviceCount) && (locReqHandle == 0u); locServIndex++)
{
for(locCharIndex = CY_BLE_HIDS_PROTOCOL_MODE; ((uint8_t)locCharIndex < CY_BLE_HIDSC_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if(cy_ble_hidscReqHandle[discIdx] ==
Cy_BLE_HIDSC_GetCharacteristicValueHandle(eventParam->connHandle, locServIndex, locCharIndex))
{
cy_stc_ble_hids_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.serviceIndex = locServIndex;
locCharValue.charIndex = locCharIndex;
locCharValue.value = &eventParam->value;
cy_ble_hidscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HIDS_ApplCallback((uint32_t)CY_BLE_EVT_HIDSC_READ_CHAR_RESPONSE, &locCharValue);
locReqHandle = 1u;
}
if(locCharIndex >= CY_BLE_HIDS_REPORT_MAP)
{
cy_en_ble_hids_descr_t locDescIndex;
for(locDescIndex = CY_BLE_HIDS_REPORT_CCCD; (locDescIndex < CY_BLE_HIDS_DESCR_COUNT) &&
(locReqHandle == 0u); locDescIndex++)
{
if(cy_ble_hidscReqHandle[discIdx] ==
Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle(eventParam->connHandle, locServIndex,
locCharIndex, locDescIndex))
{
cy_stc_ble_hids_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.serviceIndex = locServIndex;
locDescrValue.charIndex = locCharIndex;
locDescrValue.descrIndex = locDescIndex;
locDescrValue.value = &eventParam->value;
cy_ble_hidscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HIDS_ApplCallback((uint32_t)CY_BLE_EVT_HIDSC_READ_DESCR_RESPONSE, &locDescrValue);
locReqHandle = 1u;
}
}
}
}
}
if(locReqHandle != 0u)
{
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_WriteResponseEventHandler
***************************************************************************//**
* Handles the Write Response event.
*
* \param eventParam: the pointer to the data structure specified by the event.
*
*
******************************************************************************/
static void Cy_BLE_HIDSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
uint8_t locServIndex;
uint8_t locReqHandle = 0u;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(*eventParam);
cy_en_ble_hids_char_index_t locCharIndex;
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_HIDS_ApplCallback != NULL) &&
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_hidscReqHandle[discIdx]))
{
for(locServIndex = 0u; (locServIndex < cy_ble_hidscConfigPtr->serviceCount) && (locReqHandle == 0u); locServIndex++)
{
for(locCharIndex = CY_BLE_HIDS_PROTOCOL_MODE; ((uint8_t)locCharIndex < CY_BLE_HIDSC_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if(cy_ble_hidscReqHandle[discIdx] == Cy_BLE_HIDSC_GetCharacteristicValueHandle(*eventParam, locServIndex,
locCharIndex))
{
cy_stc_ble_hids_char_value_t locCharValue;
locCharValue.connHandle = *eventParam;
locCharValue.serviceIndex = locServIndex;
locCharValue.charIndex = locCharIndex;
locCharValue.value = NULL;
cy_ble_hidscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HIDS_ApplCallback((uint32_t)CY_BLE_EVT_HIDSC_WRITE_CHAR_RESPONSE, &locCharValue);
locReqHandle = 1u;
}
if(locCharIndex >= CY_BLE_HIDS_REPORT_MAP)
{
cy_en_ble_hids_descr_t locDescIndex;
for(locDescIndex = CY_BLE_HIDS_REPORT_CCCD; (locDescIndex < CY_BLE_HIDS_DESCR_COUNT) &&
(locReqHandle == 0u); locDescIndex++)
{
if(cy_ble_hidscReqHandle[discIdx] ==
Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle(*eventParam, locServIndex, locCharIndex,
locDescIndex))
{
cy_stc_ble_hids_descr_value_t locDescrValue;
locDescrValue.connHandle = *eventParam;
locDescrValue.serviceIndex = locServIndex;
locDescrValue.charIndex = locCharIndex;
locDescrValue.descrIndex = locDescIndex;
locDescrValue.value = NULL;
cy_ble_hidscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_HIDS_ApplCallback((uint32_t)CY_BLE_EVT_HIDSC_WRITE_DESCR_RESPONSE, &locDescrValue);
locReqHandle = 1u;
}
}
}
}
}
if(locReqHandle != 0u)
{
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_GetCharacteristicValueHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic value handle.
*
* \param connHandle: The connection handle.
* \param serviceIndex: The index of the service instance.
* \param charIndex: The index of a service characteristic.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional characteristic
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_HIDSC_GetCharacteristicValueHandle(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + serviceIndex];
if((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT))
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
else
{
if(charIndex == CY_BLE_HIDS_PROTOCOL_MODE)
{
returnHandle = hidscPtr->protocolMode.valueHandle;
}
else if(charIndex == CY_BLE_HIDS_INFORMATION)
{
returnHandle = hidscPtr->information.valueHandle;
}
else if(charIndex == CY_BLE_HIDS_CONTROL_POINT)
{
returnHandle = hidscPtr->controlPoint.valueHandle;
}
else if(charIndex == CY_BLE_HIDS_REPORT_MAP)
{
returnHandle = hidscPtr->reportMap.valueHandle;
}
else if(charIndex <= CY_BLE_HIDS_BOOT_MOUSE_IN_REP)
{
returnHandle = hidscPtr->bootReport[charIndex - CY_BLE_HIDS_BOOT_KYBRD_IN_REP].valueHandle;
}
else if(((uint8_t)charIndex - (uint8_t)CY_BLE_HIDS_REPORT) < hidscPtr->reportCount)
{
returnHandle = hidscPtr->report[charIndex - CY_BLE_HIDS_REPORT].valueHandle;
}
else
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic descriptor handle.
*
* \param connHandle: The connection handle.
* \param serviceIndex: The index of the service instance.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of the descriptor.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional descriptor
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_HIDSC_GetCharacteristicDescriptorHandle(cy_stc_ble_conn_handle_t connHandle,
uint8_t serviceIndex,
cy_en_ble_hids_char_index_t charIndex,
cy_en_ble_hids_descr_t descrIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to HIDS client structure with attribute handles */
cy_stc_ble_hidsc_t *hidscPtr = (cy_stc_ble_hidsc_t *)&cy_ble_hidscConfigPtr->
attrInfo[(discIdx * cy_ble_hidscConfigPtr->serviceCount) + serviceIndex];
if((serviceIndex >= cy_ble_hidscConfigPtr->serviceCount) || ((uint8_t)charIndex >= CY_BLE_HIDSC_CHAR_COUNT) ||
(charIndex < CY_BLE_HIDS_REPORT_MAP))
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
else
{
if(charIndex == CY_BLE_HIDS_REPORT_MAP)
{
if(descrIndex == CY_BLE_HIDS_REPORT_MAP_ERRD)
{
returnHandle = hidscPtr->reportMap.errdHandle;
}
else
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
else if(charIndex <= CY_BLE_HIDS_BOOT_MOUSE_IN_REP)
{
if(descrIndex == CY_BLE_HIDS_REPORT_CCCD)
{
returnHandle = hidscPtr->bootReport[charIndex - CY_BLE_HIDS_BOOT_KYBRD_IN_REP].cccdHandle;
}
else if(descrIndex == CY_BLE_HIDS_REPORT_RRD)
{
returnHandle = hidscPtr->bootReport[charIndex - CY_BLE_HIDS_BOOT_KYBRD_IN_REP].rrdHandle;
}
else
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
else if(((uint8_t)charIndex - (uint8_t)CY_BLE_HIDS_REPORT) < hidscPtr->reportCount)
{
if(descrIndex == CY_BLE_HIDS_REPORT_CCCD)
{
returnHandle = hidscPtr->report[charIndex - CY_BLE_HIDS_REPORT].cccdHandle;
}
else if(descrIndex == CY_BLE_HIDS_REPORT_RRD)
{
returnHandle = hidscPtr->report[charIndex - CY_BLE_HIDS_REPORT].rrdHandle;
}
else
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
else
{
returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles the Error Response event.
*
* \param eventParam: the pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_HIDSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam)
{
if(eventParam != NULL)
{
if(cy_ble_hidscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] == eventParam->errInfo.attrHandle)
{
cy_ble_hidscReqHandle[Cy_BLE_GetDiscoveryIdx(eventParam->connHandle)] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_HIDS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the HID 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_HIDS_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_HIDSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_HIDSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_HIDSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_HIDSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the HID 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_HIDSS_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_GATT_CONNECT_IND:
Cy_BLE_HIDSS_OnDeviceConnected();
break;
case CY_BLE_EVT_GATTS_WRITE_REQ:
gattErr = Cy_BLE_HIDSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_WRITE_CMD_REQ:
(void)Cy_BLE_HIDSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_HIDSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the HID 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_HIDSC_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 Client service-specific events */
switch((cy_en_ble_evt_t)eventCode)
{
/* Discovery events */
case CY_BLE_EVT_GATTC_DISC_CHAR:
Cy_BLE_HIDSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_INCL:
Cy_BLE_HIDSC_InclDiscoveryEventHandler((cy_stc_ble_disc_incl_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_HIDSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_HIDSC_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_HIDSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_HIDSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_HIDSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_HIDSC_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 */