Skip to content
Permalink
6f0f394fa7
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

bless/cy_ble_gls.c

Go to file
 
 
Cannot retrieve contributors at this time
1624 lines (1444 sloc) 69.3 KB
Raw Blame
/***************************************************************************//**
* \file cy_ble_gls.c
* \version 3.60
*
* \brief
* This file contains the source code for the Glucose 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_GLS_IS_GMC_SUPPORTED \
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_glssConfigPtr->attrInfo->charInfo[CY_BLE_GLS_GLMC].charHandle)
#define CY_BLE_GLS_IS_PROCEDURE_IN_PROGRESS \
(0u != (CY_BLE_GLS_FLAG_PROCESS & cy_ble_glsFlag))
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_GLS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_GLSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_GLSC_EventHandler(uint32_t eventCode, void *eventParam);
static void Cy_BLE_GLSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_GLSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_GLSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_GLSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_GLSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_GLSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_GLSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam);
static void Cy_BLE_GLSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_GLSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_GLSC_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_GLS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_GLSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_GLSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response for server */
static cy_ble_gatt_db_attr_handle_t cy_ble_glssReqHandle;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_glscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE GLS server config structure */
const cy_stc_ble_glss_config_t *cy_ble_glssConfigPtr = NULL;
/* The pointer to a global BLE GLS client config structure */
const cy_stc_ble_glsc_config_t *cy_ble_glscConfigPtr = NULL;
uint8_t cy_ble_glsFlag;
/******************************************************************************
* Function Name: Cy_BLE_GLSS_Init
***************************************************************************//**
*
* This function initializes server of the Glucose service.
*
* \param config: Configuration structure for the GLS.
*
* \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_GLSS_Init(const cy_stc_ble_glss_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_glssConfigPtr = config;
/* Registers event handler for the GLS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_GLS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_GLSS_EventHandlerCallback = &Cy_BLE_GLSS_EventHandler;
cy_ble_glssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_glsFlag = 0u;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_Init
***************************************************************************//**
*
* This function initializes client of the Glucose service.
*
* \param config: Configuration structure for the GLS.
*
* \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_GLSC_Init(const cy_stc_ble_glsc_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_glscConfigPtr = config;
/* Registers event handler for the GLS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_GLS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_GLSC_EventHandlerCallback = &Cy_BLE_GLSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 glsServIdx = cy_ble_glscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + glsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to GLS client structure */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(glscPtr, 0, sizeof(cy_stc_ble_glsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + glsServIdx].uuid =
CY_BLE_UUID_GLUCOSE_SERVICE;
}
cy_ble_glscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLS_RegisterAttrCallback
***************************************************************************//**
*
* Registers a callback function for service-specific attribute operations.
* Service-specific Write Requests from the peer device will not be handled with
* an unregistered callback function.
*
* \param callbackFunc: An application layer event callback function to receive
* events from the PSoC 6 BLE Middleware. The definition of \ref cy_ble_callback_t
* for GLS 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_GLSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_gls_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_GLS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_GLS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of the service, which is identified by charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_gls_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: The pointer to the characteristic value data that should be
* stored in the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE| An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_GLSS_SetCharacteristicValue(cy_en_ble_gls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if(charIndex >= CY_BLE_GLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Store characteristic value into GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
apiResult = CY_BLE_SUCCESS;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of Glucose service. The value is
* identified by charIndex.
*
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_gls_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: Pointer to the location where Characteristic value data should
* be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_GLSS_GetCharacteristicValue(cy_en_ble_gls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if(charIndex >= CY_BLE_GLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get characteristic value from GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
apiResult = CY_BLE_SUCCESS;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of the specified characteristic of Glucose
* service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_gls_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_gls_descr_index_t.
* \param attrSize: The size of the descriptor value attribute.
* \param *attrValue: Pointer to the location where the descriptor value
* data should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_GLSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
cy_en_ble_gls_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if((charIndex >= CY_BLE_GLS_CHAR_COUNT) || (descrIndex >= CY_BLE_GLS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Get data from database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
apiResult = CY_BLE_SUCCESS;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_SendNotification
***************************************************************************//**
*
* Sends a notification of the specified characteristic to the client device,
* as defined by the charIndex value.
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_GLSC_NOTIFICATION
* event at the GATT Client's end.
*
* \param connHandle: The connection handle which consist of the device ID and ATT
* connection ID.
* \param charIndex: The index of the service characteristic of
type \ref cy_en_ble_gls_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: Pointer to the Characteristic value data that should be sent
* to 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_GLSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send Notification if it is enabled and connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(charIndex >= CY_BLE_GLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if(!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle))
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ntf_t ntfReqParam;
ntfReqParam.handleValPair.attrHandle = cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
ntfReqParam.handleValPair.value.val = attrValue;
ntfReqParam.handleValPair.value.len = attrSize;
ntfReqParam.connHandle = connHandle;
/* Send notification to client using previously filled structure */
apiResult = Cy_BLE_GATTS_Notification(&ntfReqParam);
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_SendIndication
***************************************************************************//**
*
* Sends an indication of the specified characteristic to the client device, as
* defined by the charIndex value.
*
* On enabling indication successfully it sends out a 'Handle Value Indication' which
* results in #CY_BLE_EVT_GLSC_INDICATION or #CY_BLE_EVT_GATTC_HANDLE_VALUE_IND (if
* service-specific callback function is not registered) event at the GATT Client's end.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of
type \ref cy_en_ble_gls_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: Pointer to the Characteristic value data that should be sent
* to 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_IND_DISABLED | Indication is not enabled by the client.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the GLS service-specific callback is registered
* with \ref Cy_BLE_GLS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_GLSS_INDICATION_CONFIRMED - In case if the indication is
* successfully delivered to the peer device.
* .
* Otherwise (if the GLS service-specific callback is not registered):
* * \ref CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF - In case if the indication is
* successfully delivered to the peer device.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_GLSS_SendIndication(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send Indication if it is enabled and connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(charIndex >= CY_BLE_GLS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if(!CY_BLE_IS_INDICATION_ENABLED(connHandle.attId, cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].cccdHandle))
{
apiResult = CY_BLE_ERROR_IND_DISABLED;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ind_t indParam;
indParam.handleValPair.attrHandle = cy_ble_glssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
indParam.handleValPair.value.val = attrValue;
indParam.handleValPair.value.len = attrSize;
indParam.connHandle = connHandle;
/* Send notification to client using previously filled structure */
apiResult = Cy_BLE_GATTS_Indication(&indParam);
if(apiResult == CY_BLE_SUCCESS)
{
/* Save handle to support service-specific value confirmation response from client */
cy_ble_glssReqHandle = indParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_ConfirmationEventHandler
***************************************************************************//**
*
* Handles the Value Confirmation request event from the BLE Stack.
*
* \param *eventParam: Pointer to a structure of type cy_stc_ble_conn_handle_t
*
******************************************************************************/
static void Cy_BLE_GLSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
if((Cy_BLE_GLS_ApplCallback != NULL) &&
(cy_ble_glssConfigPtr->attrInfo->charInfo[CY_BLE_GLS_RACP].charHandle == cy_ble_glssReqHandle))
{
cy_stc_ble_gls_char_value_t locCharIndex;
locCharIndex.connHandle = *eventParam;
locCharIndex.charIndex = CY_BLE_GLS_RACP;
locCharIndex.value = NULL;
cy_ble_glssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_glsFlag &= (uint8_t) ~CY_BLE_GLS_FLAG_PROCESS;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_INDICATION_CONFIRMED, &locCharIndex);
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_WriteEventHandler
***************************************************************************//**
*
* Handles the Write Request event.
*
* \param *eventParam: The pointer to the data structure specified by the event.
*
* \return
* cy_en_ble_gatt_err_code_t - A function result state if it succeeded
* (CY_BLE_GATT_ERR_NONE) or failed with error codes:
* * CY_BLE_GATTS_ERR_PROCEDURE_ALREADY_IN_PROGRESS
* * CY_BLE_GATTS_ERR_CCCD_IMPROPERLY_CONFIGURED
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_GLSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
cy_stc_ble_gls_char_value_t locCharValue = { .connHandle = eventParam->connHandle };
if(Cy_BLE_GLS_ApplCallback != NULL)
{
if(eventParam->handleValPair.attrHandle == cy_ble_glssConfigPtr->attrInfo->charInfo[CY_BLE_GLS_RACP].charHandle)
{
if(CY_BLE_GLS_IS_PROCEDURE_IN_PROGRESS
&& (CY_BLE_GLS_RACP_OPCODE_ABORT != eventParam->handleValPair.value.val[0u]))
{
gattErr = CY_BLE_GATTS_ERR_PROCEDURE_ALREADY_IN_PROGRESS;
}
else if(!CY_BLE_IS_INDICATION_ENABLED(eventParam->connHandle.attId,
cy_ble_glssConfigPtr->attrInfo->charInfo[CY_BLE_GLS_RACP].cccdHandle))
{
gattErr = CY_BLE_GATTS_ERR_CCCD_IMPROPERLY_CONFIGURED;
}
else
{
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;
locCharValue.charIndex = CY_BLE_GLS_RACP;
locCharValue.value = &eventParam->handleValPair.value;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_WRITE_CHAR, &locCharValue);
cy_ble_glsFlag |= CY_BLE_GLS_FLAG_PROCESS;
}
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
for(locCharValue.charIndex = CY_BLE_GLS_GLMT;
locCharValue.charIndex < CY_BLE_GLS_CHAR_COUNT; locCharValue.charIndex++)
{
if(eventParam->handleValPair.attrHandle ==
cy_ble_glssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].cccdHandle)
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair = eventParam->handleValPair;
dbAttrValInfo.connHandle = eventParam->connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_PEER_INITIATED;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
locCharValue.value = NULL;
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
if(locCharValue.charIndex < CY_BLE_GLS_GLFT)
{
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_NOTIFICATION_ENABLED, &locCharValue);
}
else
{
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_NOTIFICATION_DISABLED, &locCharValue);
}
}
else
{
if(CY_BLE_IS_INDICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_INDICATION_ENABLED, &locCharValue);
}
else
{
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSS_INDICATION_DISABLED, &locCharValue);
}
}
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_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_GLSS_WRITE_CHAR event is generated.
* On successful request execution on the server side, the Write Response is
* sent to the client.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_gls_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: The pointer to the characteristic value data that should be
* sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the GLS service-specific callback is registered
* with \ref Cy_BLE_GLS_RegisterAttrCallback():
* * #CY_BLE_EVT_GLSC_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_gls_char_value_t.
* .
* Otherwise (if the GLS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_WRITE_RSP - In case if the requested attribute is
* successfully written on the peer device.
*
* * #CY_BLE_EVT_GATTC_ERROR_RSP - In case if an error occurred with the
* requested attribute on the peer device, the details are provided with event
* parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_GLSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
/* Check the parameters */
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_GLS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(glscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((CY_BLE_CHAR_PROP_WRITE & glscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = glscPtr->charInfo[charIndex].valueHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_glscReqHandle[discIdx] = glscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_GetCharacteristicValue
***************************************************************************//**
*
* This function is used to read the characteristic Value from a server
* which is identified by charIndex.
*
* Sends a request to the peer device to get a characteristic value, as
* identified by its charIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_gls_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 GLS service-specific callback is registered
* with \ref Cy_BLE_GLS_RegisterAttrCallback():
* * #CY_BLE_EVT_GLSC_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_gls_char_value_t.
* .
* Otherwise (if an GLS 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_GLSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
/* Check the parameters */
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_GLS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(glscPtr->charInfo[charIndex].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((CY_BLE_CHAR_PROP_READ & glscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = glscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_glscReqHandle[discIdx] = glscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to the peer device to set the characteristic descriptor of the
* specified characteristic of Glucose 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_GLSS_INDICATION_ENABLED
* * \ref CY_BLE_EVT_GLSS_INDICATION_DISABLED
* * \ref CY_BLE_EVT_GLSS_NOTIFICATION_ENABLED
* * \ref CY_BLE_EVT_GLSS_NOTIFICATION_DISABLED
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_gls_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_gls_descr_index_t.
* \param attrSize: The size of the characteristic descriptor value attribute.
* \param *attrValue: 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 GLS service-specific callback is registered
* with \ref Cy_BLE_GLS_RegisterAttrCallback():
* * #CY_BLE_EVT_GLSC_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_gls_descr_value_t.
* .
* Otherwise (if an GLS 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_GLSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
cy_en_ble_gls_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
/* Check the parameters */
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_GLS_CHAR_COUNT) || (descrIndex >= CY_BLE_GLS_DESCR_COUNT) ||
(attrSize != CY_BLE_CCCD_LEN) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(glscPtr->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = glscPtr->charInfo[charIndex].cccdHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = CY_BLE_CCCD_LEN;
writeReqParam.connHandle = connHandle;
/* ... and send request to server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
/* Save handle to support service-specific read response from device */
cy_ble_glscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets the characteristic descriptor of the specified characteristic.
* Sends a request to the peer device to get the characteristic descriptor of the
* specified characteristic of Glucose service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_gls_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_gls_descr_index_t.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | This operation is not permitted on the specified attribute.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular descriptor
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the GLS service-specific callback is registered
* with \ref Cy_BLE_GLS_RegisterAttrCallback():
* * #CY_BLE_EVT_GLSC_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_gls_descr_value_t.
* .
* Otherwise (if an GLS 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_GLSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_gls_char_index_t charIndex,
cy_en_ble_gls_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
/* Check the parameters */
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_GLS_CHAR_COUNT) || (descrIndex >= CY_BLE_GLS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(glscPtr->charInfo[charIndex].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = glscPtr->charInfo[charIndex].cccdHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_glscReqHandle[discIdx] = glscPtr->charInfo[charIndex].cccdHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_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_GLSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* Glucose service characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_glscCharUuid[CY_BLE_GLS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_GLUCOSE_MSRMNT,
CY_BLE_UUID_CHAR_GL_MSRMT_CTX,
CY_BLE_UUID_CHAR_GL_FEATURE,
CY_BLE_UUID_CHAR_RACP
};
static cy_ble_gatt_db_attr_handle_t *lastEndHandle[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t glsDiscIdx = cy_ble_glscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == glsDiscIdx))
{
/* Update last characteristic endHandle to declaration handle of this characteristic */
if(lastEndHandle[discIdx] != NULL)
{
*lastEndHandle[discIdx] = discCharInfo->charDeclHandle - 1u;
lastEndHandle[discIdx] = NULL;
}
for(i = 0u; i < (uint32_t)CY_BLE_GLS_CHAR_COUNT; i++)
{
if(cy_ble_glscCharUuid[i] == discCharInfo->uuid.uuid16)
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
if(glscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
glscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle;
glscPtr->charInfo[i].properties = discCharInfo->properties;
lastEndHandle[discIdx] = &glscPtr->charInfo[i].endHandle;
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo);
}
}
}
/* Init characteristic endHandle to service endHandle.
* Characteristic endHandle will be updated to the declaration
* Handler of the following characteristic,
* in the following characteristic discovery procedure. */
if(lastEndHandle[discIdx] != NULL)
{
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
*lastEndHandle[discIdx] =
cy_ble_configPtr->context->serverInfo[(discIdx * discServiNum) + glsDiscIdx].range.endHandle;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_READ_BY_TYPE_RSP
* event. Based on the service UUID, an appropriate data structure is populated
* using the data received as part of the callback.
*
* \param *discDescrInfo: The pointer to a characteristic information structure.
*
******************************************************************************/
static void Cy_BLE_GLSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t glsDiscIdx = cy_ble_glscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == glsDiscIdx)
{
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if(glscPtr->charInfo[charIdx].cccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
glscPtr->charInfo[charIdx].cccdHandle = discDescrInfo->descrHandle;
}
else /* Duplication of descriptor */
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_DESCR_DUPLICATION, &discDescrInfo);
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_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_GLSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t glsDiscIdx = cy_ble_glscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == glsDiscIdx)
{
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
while((cy_ble_configPtr->context->discovery[discIdx].charCount < (uint32_t)CY_BLE_GLS_CHAR_COUNT) && (exitFlag == 0u))
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if((glscPtr->charInfo[charIdx].endHandle - glscPtr->charInfo[charIdx].valueHandle) != 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = glscPtr->charInfo[charIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = glscPtr->charInfo[charIdx].endHandle;
exitFlag = 1u;
}
else
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_NotificationEventHandler
***************************************************************************//**
*
* Handles the Notification event.
*
* \param *eventParam: The pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_GLSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_GLS_ApplCallback != NULL))
{
cy_stc_ble_gls_char_value_t locCharValue = { .connHandle = eventParam->connHandle };
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
if(glscPtr->charInfo[CY_BLE_GLS_GLMT].valueHandle == eventParam->handleValPair.attrHandle)
{
locCharValue.charIndex = CY_BLE_GLS_GLMT;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if(glscPtr->charInfo[CY_BLE_GLS_GLMC].valueHandle == eventParam->handleValPair.attrHandle)
{
locCharValue.charIndex = CY_BLE_GLS_GLMC;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* Glucose service doesn't support any other notifications */
}
if((cy_ble_eventHandlerFlag & CY_BLE_CALLBACK) == 0u)
{
locCharValue.value = &eventParam->handleValPair.value;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_NOTIFICATION, &locCharValue);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_IndicationEventHandler
***************************************************************************//**
*
* Handles the Indication event.
*
* \param *eventParam: the pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_GLSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_GLS_ApplCallback != NULL))
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
if(glscPtr->charInfo[CY_BLE_GLS_RACP].valueHandle == eventParam->handleValPair.attrHandle)
{
cy_stc_ble_gls_char_value_t locCharValue;
locCharValue.charIndex = CY_BLE_GLS_RACP;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.value = &eventParam->handleValPair.value;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_INDICATION, &locCharValue);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles the Read Response event.
*
* \param *eventParam: The pointer to the data structure.
*
******************************************************************************/
static void Cy_BLE_GLSC_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_GLS_ApplCallback != NULL) &&
(cy_ble_glscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
if(glscPtr->charInfo[CY_BLE_GLS_GLFT].valueHandle == cy_ble_glscReqHandle[discIdx])
{
cy_stc_ble_gls_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = CY_BLE_GLS_GLFT;
locCharValue.value = &eventParam->value;
cy_ble_glscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_READ_CHAR_RESPONSE, &locCharValue);
}
else
{
cy_en_ble_gls_char_index_t i;
for(i = CY_BLE_GLS_GLMT; i < CY_BLE_GLS_CHAR_COUNT; i++)
{
if(glscPtr->charInfo[i].cccdHandle == cy_ble_glscReqHandle[discIdx])
{
cy_stc_ble_gls_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = i;
locDescrValue.descrIndex = CY_BLE_GLS_CCCD;
locDescrValue.value = &eventParam->value;
cy_ble_glscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_READ_DESCR_RESPONSE, &locDescrValue);
break;
}
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles the Write Response event.
*
* \param *eventParam: The pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_GLSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(*eventParam);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_GLS_ApplCallback != NULL) &&
(cy_ble_glscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to GLS client structure with attribute handles */
cy_stc_ble_glsc_t *glscPtr = (cy_stc_ble_glsc_t *)&cy_ble_glscConfigPtr->attrInfo[discIdx];
if(glscPtr->charInfo[CY_BLE_GLS_RACP].valueHandle == cy_ble_glscReqHandle[discIdx])
{
cy_stc_ble_gls_char_value_t locCharIndex;
locCharIndex.connHandle = *eventParam;
locCharIndex.charIndex = CY_BLE_GLS_RACP;
locCharIndex.value = NULL;
cy_ble_glscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_WRITE_CHAR_RESPONSE, &locCharIndex);
}
else
{
cy_en_ble_gls_char_index_t i;
for(i = CY_BLE_GLS_GLMT; i < CY_BLE_GLS_CHAR_COUNT; i++)
{
if(glscPtr->charInfo[i].cccdHandle == cy_ble_glscReqHandle[discIdx])
{
cy_stc_ble_gls_descr_value_t locDescIndex;
locDescIndex.connHandle = *eventParam;
locDescIndex.charIndex = i;
locDescIndex.descrIndex = CY_BLE_GLS_CCCD;
locDescIndex.value = NULL;
cy_ble_glscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_GLS_ApplCallback((uint32_t)CY_BLE_EVT_GLSC_WRITE_DESCR_RESPONSE, &locDescIndex);
break;
}
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles the Error Response event.
*
* \param *eventParam: Pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_GLSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam)
{
if(eventParam != NULL)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if(eventParam->errInfo.attrHandle == cy_ble_glscReqHandle[discIdx])
{
cy_ble_glscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_GLS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the Glucose 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_GLS_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_GLSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_GLSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_GLSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_GLSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the Glucose 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_GLSS_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_DISCONNECT_IND:
(void)Cy_BLE_GLSS_Init(cy_ble_glssConfigPtr);
break;
case CY_BLE_EVT_GATTS_WRITE_REQ:
gattErr = Cy_BLE_GLSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF:
Cy_BLE_GLSS_ConfirmationEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_GLSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the Glucose 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_GLSC_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_GLSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_GLSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_GLSC_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_GLSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_GLSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_IND:
Cy_BLE_GLSC_IndicationEventHandler((cy_stc_ble_gattc_handle_value_ind_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_GLSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_GLSC_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 */