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bless/cy_ble_plxs.c

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/***************************************************************************//**
* \file cy_ble_plxs.c
* \version 3.60
*
* \brief
* This file contains the source code for the Pulse Oximeter 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_PLXSS_IS_PROCEDURE_IN_PROGRESS ((cy_ble_plxssFlag & CY_BLE_PLXS_FLAG_PROCESS) != 0u)
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_PLXS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_PLXSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_PLXSC_EventHandler(uint32_t eventCode, void *eventParam);
static void Cy_BLE_PLXSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_PLXSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_PLXSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_PLXSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_PLXSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_PLXSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_PLXSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam);
static void Cy_BLE_PLXSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_PLXSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_PLXSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam);
static void Cy_BLE_PLXSC_TimeOutEventHandler(const cy_stc_ble_timeout_param_t *eventParam);
/*******************************************************************************
* Global Variables
*******************************************************************************/
/* The pointers to the callback functions */
static cy_ble_callback_t Cy_BLE_PLXS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_PLXSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_PLXSS_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_plxssReqHandle;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_plxscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE PLXS server config structure */
const cy_stc_ble_plxss_config_t *cy_ble_plxssConfigPtr = NULL;
/* The pointer to a global BLE PLXS client config structure */
const cy_stc_ble_plxsc_config_t *cy_ble_plxscConfigPtr = NULL;
/* PLXS Server flags */
uint32_t cy_ble_plxssFlag;
/* RACP Procedure Timeout TIMER setting */
static cy_stc_ble_timer_info_t cy_ble_plxscRacpTimeout[CY_BLE_MAX_CONNECTION_INSTANCES];
/* PLXS Client flags */
static uint32_t cy_ble_plxscFlag[CY_BLE_MAX_CONNECTION_INSTANCES];
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_Init
***************************************************************************//**
*
* This function initializes server of the Pulse Oximeter service.
*
* \param config: Configuration structure for the PLXS.
*
* \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_PLXSS_Init(const cy_stc_ble_plxss_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_plxssConfigPtr = config;
/* Registers event handler for the PLXS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_PLXS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_PLXSS_EventHandlerCallback = &Cy_BLE_PLXSS_EventHandler;
cy_ble_plxssFlag = 0u;
cy_ble_plxssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_Init
***************************************************************************//**
*
* This function initializes client of the Pulse Oximeter service.
*
* \param config: Configuration structure for the PLXS.
*
* \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_PLXSC_Init(const cy_stc_ble_plxsc_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_plxscConfigPtr = config;
/* Registers event handler for the PLXS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_PLXS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_PLXSC_EventHandlerCallback = &Cy_BLE_PLXSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 plxsServIdx = cy_ble_plxscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + plxsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to PLXS client structure */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(plxscPtr, 0, sizeof(cy_stc_ble_plxsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + plxsServIdx].uuid =
CY_BLE_UUID_PULSE_OXIMETER_SERVICE;
}
cy_ble_plxscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_plxscRacpTimeout[idx].timeout = CY_BLE_PLXS_RACP_PROCEDURE_TIMEOUT;
cy_ble_plxscFlag[idx] = 0u;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXS_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 PLXS 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_PLXSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_plxs_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_PLXS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_PLXS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of the service, which is identified by charIndex.
*
* \param charIndex: The index of a service 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 | Optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSS_SetCharacteristicValue(cy_en_ble_plxs_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if(charIndex >= CY_BLE_PLXS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_plxssConfigPtr->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_plxssConfigPtr->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_PLXSS_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sets a characteristic descriptor of a specified characteristic of the service.
*
* \param connHandle: The connection handle which consist of the device ID and ATT
* connection ID.
* \param charIndex: The index of a service characteristic of type
* cy_en_ble_plxs_char_index_t.
* \param descrIndex: The index of a service characteristic descriptor of type
* cy_en_ble_plxs_descr_index_t.
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the descriptor value data that should
* be stored to the GATT database.
*
* \return
* A return value is of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSS_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex,
cy_en_ble_plxs_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if((charIndex >= CY_BLE_PLXS_CHAR_COUNT) || (descrIndex >= CY_BLE_PLXS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[descrIndex];
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_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of the service, which is identified by charIndex.
*
* \param charIndex: The index of a service characteristic.
* \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 request was handled 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_PLXSS_GetCharacteristicValue(cy_en_ble_plxs_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if(charIndex >= CY_BLE_PLXS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_plxssConfigPtr->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_plxssConfigPtr->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_PLXSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets the characteristic descriptor of the specified characteristic.
*
* \param connHandle: The connection handle which consist of the device ID and ATT
* connection ID.
* \param charIndex: The index of the characteristic.
* \param descrIndex: The index of the descriptor.
* \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 request was handled 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_PLXSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex,
cy_en_ble_plxs_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check the parameters */
if((charIndex >= CY_BLE_PLXS_CHAR_COUNT) || (descrIndex >= CY_BLE_PLXS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD] ==
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_plxssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
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_PLXSS_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 #CY_BLE_EVT_PLXSC_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.
* \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_GATT_DB_INVALID_ATTR_HANDLE | Optional characteristic is absent.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_NTF_DISABLED | Notification is not enabled by the client.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_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_PLXS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if(cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD] ==
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_plxssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[CY_BLE_PLXS_CCCD]))
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
else
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gatts_handle_value_ntf_t ntfReqParam;
ntfReqParam.handleValPair.attrHandle = cy_ble_plxssConfigPtr->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_PLXSS_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_PLXSC_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 which consist of the device ID and ATT
* connection ID.
* \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 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_GATT_DB_INVALID_ATTR_HANDLE | Optional characteristic is absent.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_IND_DISABLED | Indication is not enabled by the client.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the PLXS service-specific callback is registered
* (with \ref Cy_BLE_PLXS_RegisterAttrCallback):
* * #CY_BLE_EVT_PLXSS_INDICATION_CONFIRMED - In case if the indication is
* successfully delivered to the peer device.
* .
* Otherwise (if the PLXS service-specific callback is not registered):
* * #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_PLXSS_SendIndication(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_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_PLXS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if(cy_ble_plxssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD] ==
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_plxssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[CY_BLE_PLXS_CCCD]))
{
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_plxssConfigPtr->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_plxssReqHandle = indParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_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_PLXSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
cy_stc_ble_plxs_char_value_t locCharIndex;
locCharIndex.connHandle = *eventParam;
locCharIndex.value = NULL;
if(Cy_BLE_PLXS_ApplCallback != NULL)
{
for(locCharIndex.charIndex = CY_BLE_PLXS_SCMT; locCharIndex.charIndex < CY_BLE_PLXS_CHAR_COUNT;
locCharIndex.charIndex++)
{
if(cy_ble_plxssConfigPtr->attrInfo->charInfo[locCharIndex.charIndex].charHandle == cy_ble_plxssReqHandle)
{
cy_ble_plxssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
/* We have finish of RACP procedure, so reset flag CY_BLE_PLXS_FLAG_PROCESS */
if(locCharIndex.charIndex == CY_BLE_PLXS_RACP)
{
cy_ble_plxssFlag &= (uint8_t) ~CY_BLE_PLXS_FLAG_PROCESS;
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_INDICATION_CONFIRMED, &locCharIndex);
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_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 return 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_PLXSS_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_plxs_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
if(Cy_BLE_PLXS_ApplCallback != NULL)
{
if(cy_ble_plxssConfigPtr->attrInfo->charInfo[CY_BLE_PLXS_RACP].charHandle == eventParam->handleValPair.attrHandle)
{
if(CY_BLE_PLXSS_IS_PROCEDURE_IN_PROGRESS && (eventParam->handleValPair.value.val[0u] !=
(uint8_t)CY_BLE_PLXS_RACP_OPC_ABORT_OPN))
{
gattErr = CY_BLE_GATT_ERR_PROCEDURE_ALREADY_IN_PROGRESS;
}
else if(!CY_BLE_IS_INDICATION_ENABLED(eventParam->connHandle.attId, cy_ble_plxssConfigPtr->attrInfo->
charInfo[CY_BLE_PLXS_RACP].descrHandle[CY_BLE_PLXS_CCCD]))
{
gattErr = CY_BLE_GATT_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_PLXS_RACP;
locCharValue.value = &eventParam->handleValPair.value;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_WRITE_CHAR, &locCharValue);
cy_ble_plxssFlag |= CY_BLE_PLXS_FLAG_PROCESS;
}
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
for(locCharValue.charIndex = CY_BLE_PLXS_SCMT; locCharValue.charIndex < CY_BLE_PLXS_CHAR_COUNT;
locCharValue.charIndex++)
{
if(cy_ble_plxssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].descrHandle[CY_BLE_PLXS_CCCD] ==
eventParam->handleValPair.attrHandle)
{
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)
{
switch(locCharValue.charIndex)
{
/* INDICATION */
case CY_BLE_PLXS_SCMT:
case CY_BLE_PLXS_RACP:
if(CY_BLE_IS_INDICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_INDICATION_ENABLED,
&locCharValue);
}
else
{
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_INDICATION_DISABLED,
&locCharValue);
}
break;
/* NOTIFICATION */
case CY_BLE_PLXS_CTMT:
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_NOTIFICATION_ENABLED,
&locCharValue);
}
else
{
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSS_NOTIFICATION_DISABLED,
&locCharValue);
}
break;
default:
break;
}
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
if(gattErr != CY_BLE_GATT_ERR_NONE)
{
/* If we have gattErr, so release flag CY_BLE_PLXS_FLAG_PROCESS */
cy_ble_plxssFlag &= (uint8_t) ~CY_BLE_PLXS_FLAG_PROCESS;
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_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_PLXSS_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 a service characteristic.
* \param attrSize: The size of the characteristic value attribute.
* \param *attrValue: The pointer to the characteristic value data that should be
* sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the PLXS service-specific callback is registered
* (with \ref Cy_BLE_PLXS_RegisterAttrCallback):
* * #CY_BLE_EVT_PLXSC_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 cy_stc_ble_plxs_char_value_t.
* .
* Otherwise (if the PLXS 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 (cy_stc_ble_gatt_err_param_t).
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_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 PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->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_PLXS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(plxscPtr->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 & plxscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = plxscPtr->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_plxscReqHandle[discIdx] = plxscPtr->charInfo[charIndex].valueHandle;
}
if(charIndex == CY_BLE_PLXS_RACP)
{
/* Start RACP procedure. It will ends when the Collector sends a confirmation to acknowledge the RACP
* indication sent by the Sensor. A procedure is considered to have timed out if a RACP indication
* (or PLX Spot-check Measurement characteristic indication) is not received within the ATT transaction timeout,
* defined as 5 seconds. #CY_BLE_EVT_PLXSC_TIMEOUT event indicate about CP procedure timeout.
*/
apiResult = Cy_BLE_StartTimer(&cy_ble_plxscRacpTimeout[discIdx]);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_plxscFlag[discIdx] |= CY_BLE_PLXS_FLAG_PROCESS;
}
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_GetCharacteristicValue
***************************************************************************//**
*
* This function is used to read the characteristic Value from a server
* which is identified by charIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic.
*
* \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 | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the PLXS service-specific callback is registered
* (with \ref Cy_BLE_PLXS_RegisterAttrCallback):
* * #CY_BLE_EVT_PLXSC_READ_CHAR_RESPONSE - In case if the requested attribute is
* successfully read on the peer device,
* the details (charIndex , value, etc.) are
* provided with event parameter structure
* of type cy_stc_ble_plxs_char_value_t.
* .
* Otherwise (if the PLXS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_READ_RSP - In case if the requested attribute is
* successfully read on the peer device,
* the details (handle, value, etc.) are
* provided with event parameters
* structure (cy_stc_ble_gattc_read_rsp_param_t).
* * #CY_BLE_EVT_GATTC_ERROR_RSP - In case if an error occurred with the
* requested attribute on the peer device,
* the details are provided with event parameters
* structure (cy_stc_ble_gatt_err_param_t).
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->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_PLXS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(plxscPtr->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 & plxscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = plxscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_plxscReqHandle[discIdx] = plxscPtr->charInfo[charIndex].valueHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sets the characteristic descriptor of the specified Characteristic.
*
* 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:
* * #CY_BLE_EVT_PLXSS_INDICATION_ENABLED
* * #CY_BLE_EVT_PLXSS_INDICATION_DISABLED
* * #CY_BLE_EVT_PLXSS_NOTIFICATION_ENABLED
* * #CY_BLE_EVT_PLXSS_NOTIFICATION_DISABLED
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of a service characteristic descriptor.
* \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 handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_OPERATION | This operation is not permitted on the specified attribute.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the PLXS service-specific callback is registered
* (with \ref Cy_BLE_PLXS_RegisterAttrCallback):
* * #CY_BLE_EVT_PLXSC_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 cy_stc_ble_plxs_descr_value_t.
* .
* Otherwise (if the PLXS 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 (cy_stc_ble_gatt_err_param_t).
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex,
cy_en_ble_plxs_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 PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->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_PLXS_CHAR_COUNT) || (descrIndex >= CY_BLE_PLXS_DESCR_COUNT) ||
(attrSize != CY_BLE_CCCD_LEN) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(plxscPtr->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD] == 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 = plxscPtr->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD];
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_plxscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets the characteristic descriptor of the specified characteristic.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of the service characteristic descriptor.
*
* \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 | The peer device doesn't have the particular descriptor.
* CY_BLE_ERROR_INVALID_OPERATION | This operation is not permitted on the specified attribute.
* CY_BLE_ERROR_INVALID_STATE | The state is not valid.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the PLXS service-specific callback is registered
* (with \ref Cy_BLE_PLXS_RegisterAttrCallback):
* * #CY_BLE_EVT_PLXSC_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 cy_stc_ble_plxs_descr_value_t.
* .
* Otherwise (if the PLXS service-specific callback is not registered):
* * #CY_BLE_EVT_GATTC_READ_RSP - In case if the requested attribute is
* successfully read on the peer device,
* the details (handle, value, etc.) are
* provided with event parameters
* structure (cy_stc_ble_gattc_read_rsp_param_t).
* * #CY_BLE_EVT_GATTC_ERROR_RSP - In case if an error occurred with the
* requested attribute on the peer device,
* the details are provided with event parameters
* structure (cy_stc_ble_gatt_err_param_t).
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_PLXSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex,
cy_en_ble_plxs_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->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_PLXS_CHAR_COUNT) || (descrIndex >= CY_BLE_PLXS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(plxscPtr->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD] ==
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 = plxscPtr->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD];
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_plxscReqHandle[discIdx] = plxscPtr->charInfo[charIndex].descrHandle[CY_BLE_PLXS_CCCD];
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_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_PLXSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* PLX service characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_plxsCharUuid[CY_BLE_PLXS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_PLX_SPOT_CHK_MSRMT,
CY_BLE_UUID_CHAR_PLX_CONTINUOUS_MSRMT,
CY_BLE_UUID_CHAR_PLX_FEATURES,
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 plxsDiscIdx = cy_ble_plxscConfigPtr->serviceDiscIdx;
uint32_t i;
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == plxsDiscIdx))
{
/* 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_PLXS_CHAR_COUNT; i++)
{
if(cy_ble_plxsCharUuid[i] == discCharInfo->uuid.uuid16)
{
if(plxscPtr->charInfo[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
plxscPtr->charInfo[i].valueHandle = discCharInfo->valueHandle;
plxscPtr->charInfo[i].properties = discCharInfo->properties;
lastEndHandle[discIdx] = &plxscPtr->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 locServCount = cy_ble_configPtr->context->discovery[discIdx].servCount;
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
*lastEndHandle[discIdx] =
cy_ble_configPtr->context->serverInfo[(discIdx * discServiNum) + locServCount].range.endHandle;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_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 descriptor information structure.
*
******************************************************************************/
static void Cy_BLE_PLXSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t notSupportedDescr = 0u;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t plxsDiscIdx = cy_ble_plxscConfigPtr->serviceDiscIdx;
uint32_t descIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == plxsDiscIdx)
{
switch(discDescrInfo->uuid.uuid16)
{
case CY_BLE_UUID_CHAR_CLIENT_CONFIG:
descIdx = (uint32_t)CY_BLE_PLXS_CCCD;
break;
default:
/* Not supported descriptor */
notSupportedDescr = 1u;
break;
}
if(notSupportedDescr == 0u)
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(plxscPtr->charInfo[cy_ble_configPtr->context->discovery[discIdx].charCount].descrHandle[descIdx] ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
plxscPtr->charInfo[cy_ble_configPtr->context->discovery[discIdx].charCount].descrHandle[descIdx] =
discDescrInfo->descrHandle;
}
else
{
/* Duplication of the descriptor */
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_DESCR_DUPLICATION, &discDescrInfo);
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_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_PLXSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t plxsDiscIdx = cy_ble_plxscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == plxsDiscIdx)
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
while((cy_ble_configPtr->context->discovery[discIdx].charCount < (uint32_t)CY_BLE_PLXS_CHAR_COUNT) && (exitFlag == 0u))
{
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if((plxscPtr->charInfo[charIdx].endHandle -
plxscPtr->charInfo[charIdx].valueHandle) != 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = plxscPtr->charInfo[charIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = plxscPtr->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_PLXSC_NotificationEventHandler
***************************************************************************//**
*
* Handles the Notification event.
*
* \param *eventParam: The pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_PLXSC_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_PLXS_ApplCallback != NULL))
{
cy_stc_ble_plxs_char_value_t locCharValue = {
.connHandle = eventParam->connHandle };
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(plxscPtr->charInfo[CY_BLE_PLXS_CTMT].valueHandle ==
eventParam->handleValPair.attrHandle)
{
locCharValue.charIndex = CY_BLE_PLXS_CTMT;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* PLXS service doesn't support any other notifications */
}
if((cy_ble_eventHandlerFlag & CY_BLE_CALLBACK) == 0u)
{
locCharValue.value = &eventParam->handleValPair.value;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_NOTIFICATION, &locCharValue);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_IndicationEventHandler
***************************************************************************//**
*
* Handles the Indication event.
*
* \param *eventParam: the pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_PLXSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
cy_stc_ble_plxs_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_PLXS_ApplCallback != NULL))
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(plxscPtr->charInfo[CY_BLE_PLXS_SCMT].valueHandle == eventParam->handleValPair.attrHandle)
{
locCharValue.charIndex = CY_BLE_PLXS_SCMT;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
if((cy_ble_plxscFlag[discIdx] & CY_BLE_PLXS_FLAG_PROCESS) != 0u)
{
/* Restart RACP timeout timer during RACP procedure(Report stored records)*/
(void)Cy_BLE_StopTimer(&cy_ble_plxscRacpTimeout[discIdx]);
(void)Cy_BLE_StartTimer(&cy_ble_plxscRacpTimeout[discIdx]);
}
}
else if(plxscPtr->charInfo[CY_BLE_PLXS_RACP].valueHandle == eventParam->handleValPair.attrHandle)
{
locCharValue.charIndex = CY_BLE_PLXS_RACP;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
/* End of RACP procedure, so stop RACP timeout timer */
(void)Cy_BLE_StopTimer(&cy_ble_plxscRacpTimeout[discIdx]);
cy_ble_plxscFlag[discIdx] &= ~CY_BLE_PLXS_FLAG_PROCESS;
}
else
{
/* PLXS service doesn't support any other indications */
}
if((cy_ble_eventHandlerFlag & CY_BLE_CALLBACK) == 0u)
{
locCharValue.value = &eventParam->handleValPair.value;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_INDICATION, &locCharValue);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles the Read Response event.
*
* \param *eventParam: The pointer to the data structure.
*
******************************************************************************/
static void Cy_BLE_PLXSC_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_PLXS_ApplCallback != NULL) &&
(cy_ble_plxscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
cy_en_ble_plxs_char_index_t charIdx;
uint32_t fFlag = 0u;
for(charIdx = (cy_en_ble_plxs_char_index_t)0u; (charIdx < CY_BLE_PLXS_CHAR_COUNT) && (fFlag == 0u); charIdx++)
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(plxscPtr->charInfo[charIdx].valueHandle == cy_ble_plxscReqHandle[discIdx])
{
cy_stc_ble_plxs_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = charIdx;
locCharValue.value = &eventParam->value;
cy_ble_plxscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_READ_CHAR_RESPONSE, &locCharValue);
fFlag = 1u; /* instead of break */
}
else if(plxscPtr->charInfo[charIdx].descrHandle[CY_BLE_PLXS_CCCD] == cy_ble_plxscReqHandle[discIdx])
{
cy_stc_ble_plxs_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = charIdx;
locDescrValue.descrIndex = CY_BLE_PLXS_CCCD;
locDescrValue.value = &eventParam->value;
cy_ble_plxscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_READ_DESCR_RESPONSE, &locDescrValue);
fFlag = 1u; /* instead of break */
}
else
{
/* nothing else */
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles the Write Response event.
*
* \param *eventParam: The pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_PLXSC_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_PLXS_ApplCallback != NULL) &&
(cy_ble_plxscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
cy_en_ble_plxs_char_index_t charIdx;
uint32_t fFlag = 0u;
for(charIdx = (cy_en_ble_plxs_char_index_t)0u; (charIdx < CY_BLE_PLXS_CHAR_COUNT) && (fFlag == 0u); charIdx++)
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr = (cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[discIdx];
if(plxscPtr->charInfo[charIdx].valueHandle == cy_ble_plxscReqHandle[discIdx])
{
cy_stc_ble_plxs_char_value_t locCharValue;
locCharValue.connHandle = *eventParam;
locCharValue.charIndex = charIdx;
locCharValue.value = NULL;
cy_ble_plxscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_WRITE_CHAR_RESPONSE, &locCharValue);
fFlag = 1u; /* instead of break */
}
else if(plxscPtr->charInfo[charIdx].descrHandle[CY_BLE_PLXS_CCCD] == cy_ble_plxscReqHandle[discIdx])
{
cy_stc_ble_plxs_descr_value_t locDescrValue;
locDescrValue.connHandle = *eventParam;
locDescrValue.charIndex = charIdx;
locDescrValue.descrIndex = CY_BLE_PLXS_CCCD;
locDescrValue.value = NULL;
cy_ble_plxscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_WRITE_DESCR_RESPONSE, &locDescrValue);
fFlag = 1u; /* instead of break */
}
else
{
/* nothing else */
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_GetCharacteristicValueHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic value handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional characteristic
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_PLXSC_GetCharacteristicValueHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if( (Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_PLXS_CHAR_COUNT))
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr =
(cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = plxscPtr->charInfo[charIndex].valueHandle;
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_GetCharacteristicDescriptorHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic descriptor handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of the descriptor.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an optional descriptor
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_PLXSC_GetCharacteristicDescriptorHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_plxs_char_index_t charIndex,
cy_en_ble_plxs_descr_index_t descrIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if((Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_PLXS_CHAR_COUNT) && (descrIndex < CY_BLE_PLXS_DESCR_COUNT))
{
/* Get pointer (with offset) to PLXS client structure with attribute handles */
cy_stc_ble_plxsc_t *plxscPtr =
(cy_stc_ble_plxsc_t *)&cy_ble_plxscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = plxscPtr->charInfo[charIndex].descrHandle[descrIndex];
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles the Error Response event.
*
* \param *eventParam: Pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_PLXSC_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_plxscReqHandle[discIdx])
{
cy_ble_plxscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_TimeOutEventHandler
***************************************************************************//**
*
* Handles Timer event.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_PLXSC_TimeOutEventHandler(const cy_stc_ble_timeout_param_t *eventParam)
{
if(((eventParam)->reasonCode == CY_BLE_GENERIC_APP_TO) && (Cy_BLE_PLXS_ApplCallback != NULL))
{
uint32_t idx;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
if(((cy_ble_plxscFlag[idx] & CY_BLE_PLXS_FLAG_PROCESS) != 0u) &&
(eventParam->timerHandle == cy_ble_plxscRacpTimeout[idx].timerHandle))
{
cy_stc_ble_plxs_char_value_t timeoutValue;
timeoutValue.connHandle = cy_ble_connHandle[cy_ble_configPtr->context->discovery[idx].connIndex];
timeoutValue.charIndex = CY_BLE_PLXS_RACP;
cy_ble_plxscFlag[idx] &= (uint8_t) ~CY_BLE_PLXS_FLAG_PROCESS;
cy_ble_plxscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_PLXS_ApplCallback((uint32_t)CY_BLE_EVT_PLXSC_TIMEOUT, &timeoutValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_PLXS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the PLXS 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_PLXS_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_PLXSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_PLXSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_PLXSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_PLXSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the PLXS 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_PLXSS_EventHandler(uint32_t eventCode, void *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
/* Handling GATT Server events */
switch((cy_en_ble_event_t)eventCode)
{
case CY_BLE_EVT_GATTS_WRITE_REQ:
gattErr = Cy_BLE_PLXSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF:
Cy_BLE_PLXSS_ConfirmationEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_PLXSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the PLXS 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_PLXSC_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_PLXSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_PLXSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_PLXSC_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_PLXSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_PLXSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_IND:
Cy_BLE_PLXSC_IndicationEventHandler((cy_stc_ble_gattc_handle_value_ind_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_PLXSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_PLXSC_WriteResponseEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
case CY_BLE_EVT_TIMEOUT:
Cy_BLE_PLXSC_TimeOutEventHandler((cy_stc_ble_timeout_param_t*)eventParam);
break;
default:
break;
}
}
return(gattErr);
}
#endif /* CY_BLE_LIB_HOST_CORE */
#endif /* CY_IP_MXBLESS */
/* [] END OF FILE */