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_cts.c

Go to file
 
 
Cannot retrieve contributors at this time
1761 lines (1553 sloc) 76.2 KB
Raw Blame
/***************************************************************************//**
* \file cy_ble_cts.c
* \version 3.60
*
* \brief
* This file contains the source code for the Current Time 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
*******************************************************************************/
/* Performs validation of 'adjReason' if it has invalid value, it will be set to
* "Unknown" reason. */
#define CY_BLE_CTS_CHECK_ADJUST_REASON(adjReason) ((adjReason) = \
(((adjReason) == CY_BLE_CTS_REASON_UNKNOWN) ? \
CY_BLE_CTS_REASON_UNKNOWN : \
(((adjReason) == CY_BLE_CTS_MANUAL_UPDATE) ? \
CY_BLE_CTS_MANUAL_UPDATE : \
(((adjReason) == CY_BLE_CTS_EXTERNAL_REF_UPDATE) ? \
CY_BLE_CTS_EXTERNAL_REF_UPDATE : \
(((adjReason) == CY_BLE_CTS_TIME_ZONE_CHANGE) ? \
CY_BLE_CTS_TIME_ZONE_CHANGE : \
(((adjReason) == CY_BLE_CTS_DST_CHANGE) ? \
CY_BLE_CTS_DST_CHANGE : \
CY_BLE_CTS_REASON_UNKNOWN))))))
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_CTS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CTSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CTSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CTSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_CTSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_CTSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_CTSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_CTSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_CTSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_CTSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_CTSC_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_CTS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_CTSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_CTSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_ctscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE CTS server config structure */
const cy_stc_ble_ctss_config_t *cy_ble_ctssConfigPtr = NULL;
/* The pointer to a global BLE CTS client config structure */
const cy_stc_ble_ctsc_config_t *cy_ble_ctscConfigPtr = NULL;
/******************************************************************************
* Function Name: Cy_BLE_CTSS_Init
***************************************************************************//**
*
* This function initializes server of the Current Time service.
*
* \param config: Configuration structure for the CTS.
*
* \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_CTSS_Init(const cy_stc_ble_ctss_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_ctssConfigPtr = config;
/* Registers event handler for the CTS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_CTS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_CTSS_EventHandlerCallback = &Cy_BLE_CTSS_EventHandler;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_Init
***************************************************************************//**
*
* This function initializes client of the Current Time service.
*
* \param config: Configuration structure for the CTS.
*
* \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_CTSC_Init(const cy_stc_ble_ctsc_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_ctscConfigPtr = config;
/* Registers event handler for the CTS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_CTS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_CTSC_EventHandlerCallback = &Cy_BLE_CTSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 ctsServIdx = cy_ble_ctscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + ctsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to CTS client structure */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(ctscPtr, 0, sizeof(cy_stc_ble_ctsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + ctsServIdx].uuid =
CY_BLE_UUID_CURRENT_TIME_SERVICE;
}
cy_ble_ctscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTS_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 CTS 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_CTSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_cts_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_CTS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_CTS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of Current Time service, which is a value
* identified by charIndex, to the local database.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cts_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* stored to the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE| An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CTSS_SetCharacteristicValue(cy_en_ble_cts_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
uint16_t locYear;
cy_stc_ble_cts_current_time_t currTime;
cy_stc_ble_cts_local_time_info_t localTime;
cy_stc_ble_cts_reference_time_info_t refTime;
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if(attrValue != NULL)
{
switch(charIndex)
{
case CY_BLE_CTS_CURRENT_TIME:
if(attrSize == CY_BLE_CTS_CURRENT_TIME_SIZE)
{
(void)memcpy((void*)&currTime, (void*)attrValue, (uint32_t)attrSize);
/* Validate characteristic value
* First, validate "locYear" field
*/
locYear = ((uint16_t)((uint16_t)currTime.yearHigh << CY_BLE_CTS_8_BIT_OFFSET)) |
((uint16_t)currTime.yearLow);
if((locYear >= CY_BLE_CTS_YEAR_MIN) && (locYear <= CY_BLE_CTS_YEAR_MAX))
{
/* Validation passed */
apiResult = CY_BLE_SUCCESS;
}
/* Validate "Month" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_MONTH_MAX < currTime.month))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
/* Next is "Day" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_DAY_MAX < currTime.day))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
/* Validate "Hours" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_HOURS_MAX < currTime.hours))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
/* Validate "Minutes" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_MINUTES_MAX < currTime.minutes))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
/* Validate "Seconds" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_SECONDS_MAX < currTime.seconds))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
/* Validate "dayOfWeek" field */
if((CY_BLE_ERROR_INVALID_PARAMETER != apiResult) && (CY_BLE_CTS_DAY_OF_WEEK_MAX <= currTime.dayOfWeek))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->currTimeCharHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.handleValuePair.value.val = (uint8_t*)&currTime;
/* Verify "Adjust Reason". If it is set to incorrect value then it will
* be changed to "Unknown" Adjust Reason. */
CY_BLE_CTS_CHECK_ADJUST_REASON(currTime.adjustReason);
/* Set Current Time Characteristic value to GATT database.
* Need to handle return type difference of Cy_BLE_GATTS_WriteAttributeValueCCCD() and
* Cy_BLE_CTSS_SetCharacteristicValue(). */
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
}
break;
case CY_BLE_CTS_LOCAL_TIME_INFO:
if(attrSize == CY_BLE_CTS_LOCAL_TIME_INFO_SIZE)
{
(void)memcpy((void*)&localTime, (void*)attrValue, (uint32_t)attrSize);
if(((localTime.timeZone <= CY_BLE_CTS_UTC_OFFSET_MAX) &&
(localTime.timeZone >= CY_BLE_CTS_UTC_OFFSET_MIN)) ||
(localTime.timeZone == CY_BLE_CTS_UTC_OFFSET_UNKNOWN))
{
/* Validation passed */
apiResult = CY_BLE_SUCCESS;
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
/* Validate DST offset */
switch(localTime.dst)
{
case CY_BLE_CTS_STANDARD_TIME:
case CY_BLE_CTS_DAYLIGHT_TIME_0_5:
case CY_BLE_CTS_DAYLIGHT_TIME_1_0:
case CY_BLE_CTS_DAYLIGHT_TIME_2_0:
case CY_BLE_CTS_DST_UNKNOWN:
/* DST offset is correct */
apiResult = CY_BLE_SUCCESS;
break;
default:
/* Validation failed */
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
break;
}
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_ctssConfigPtr->attrInfo->localTimeInfCharHandle)
{
/* Set Local Time Characteristic value to GATT database.
* Need to handle return type difference of Cy_BLE_GATTS_WriteAttributeValueCCCD() and
* Cy_BLE_CTSS_SetCharacteristicValue(). */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->localTimeInfCharHandle;
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)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
}
break;
case CY_BLE_CTS_REFERENCE_TIME_INFO:
if(attrSize == CY_BLE_CTS_REFERENCE_TIME_INFO_SIZE)
{
(void)memcpy((void*)&refTime, (void*)attrValue, (uint32_t)attrSize);
/* Validate "Time Source" value */
if(CY_BLE_CTS_TIME_SRC_CELL_NET >= refTime.timeSource)
{
/* Time source is correct */
apiResult = CY_BLE_SUCCESS;
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
/* Validate "Hours since update" field */
if(refTime.hoursSinseUpdate <= CY_BLE_CTS_HOURS_MAX)
{
/* Value is correct */
}
else if(refTime.daysSinceUpdate == CY_BLE_CTS_MAX_DAYS_SINCE_UPDATE)
{
/* Per CTS spec "Hours since update" is set to 255 as "Days since update"
* is 255. */
refTime.hoursSinseUpdate = CY_BLE_CTS_MAX_HOURS_SINCE_UPDATE;
}
else
{
/* Invalid value encountered */
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_ctssConfigPtr->attrInfo->localTimeInfCharHandle)
{
/* Set Reference Time Characteristic value to GATT database.
* Need to handle return type difference of Cy_BLE_GATTS_WriteAttributeValueCCCD() and
* Cy_BLE_CTSS_SetCharacteristicValue(). */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->refTimeInfCharHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = (uint8_t*)&refTime;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
}
break;
default:
/* Characteristic wasn't found */
break;
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of Current Time service. The value is
* identified by charIndex.
*
* \param charIndex: The index of the service characteristic of
type \ref cy_en_ble_cts_char_index_t.
* \param attrSize: The size of the Current Time service characteristic value attribute.
* \param attrValue: The pointer to the location where characteristic value data
* should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional characteristic is absent
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CTSS_GetCharacteristicValue(cy_en_ble_cts_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.offset = 0u;
if(attrValue != NULL)
{
switch(charIndex)
{
case CY_BLE_CTS_CURRENT_TIME:
if(attrSize == CY_BLE_CTS_CURRENT_TIME_SIZE)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->currTimeCharHandle;
apiResult = CY_BLE_SUCCESS;
}
break;
case CY_BLE_CTS_LOCAL_TIME_INFO:
if(attrSize == CY_BLE_CTS_LOCAL_TIME_INFO_SIZE)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->localTimeInfCharHandle;
apiResult = CY_BLE_SUCCESS;
}
break;
case CY_BLE_CTS_REFERENCE_TIME_INFO:
if(attrSize == CY_BLE_CTS_REFERENCE_TIME_INFO_SIZE)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->refTimeInfCharHandle;
apiResult = CY_BLE_SUCCESS;
}
break;
default:
/* Characteristic wasn't found */
break;
}
if(apiResult != CY_BLE_ERROR_INVALID_PARAMETER)
{
if(dbAttrValInfo.handleValuePair.attrHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get characteristic value from GATT database */
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of a specified characteristic of the Current
* Time service.
*
* \param connHandle: The connection handle
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cts_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cts_char_descriptors_t.
* \param attrSize: The size of the descriptor value.
* \param attrValue: The pointer to the location where characteristic descriptor value
* data should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | Optional descriptor is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CTSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex,
cy_en_ble_cts_char_descriptors_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
if((charIndex == CY_BLE_CTS_CURRENT_TIME) && (descrIndex == CY_BLE_CTS_CURRENT_TIME_CCCD))
{
if(cy_ble_ctssConfigPtr->attrInfo->currTimeCccdHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get characteristic value from GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ctssConfigPtr->attrInfo->currTimeCccdHandle;
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.offset = 0u;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) == CY_BLE_GATT_ERR_NONE)
{
/* Indicate success */
apiResult = CY_BLE_SUCCESS;
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_WriteEventHandler
***************************************************************************//**
*
* Handles the Write Request event for the Current Time service.
*
* \param eventParam: The pointer to the data that came with a Write Request for the
* Current Time service.
*
* \return
* Return a value of type cy_en_ble_gatt_err_code_t:
* * CY_BLE_GATT_ERR_NONE - Function terminated successfully.
* * CY_BLE_GATT_ERR_INVALID_HANDLE - The Handle of the Current Time Client
* Configuration characteristic descriptor
* is not valid.
* * CY_BLE_GATT_ERR_UNLIKELY_ERROR - An Internal Stack error occurred.
* * CY_BLE_GATT_ERR_REQUEST_NOT_SUPPORTED - The notification property of the
* Current Time Client Configuration
* characteristic descriptor is
* disabled.
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_CTSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
uint32_t event = (uint32_t)CY_BLE_EVT_CTSS_NOTIFICATION_DISABLED;
cy_stc_ble_cts_char_value_t wrReqParam;
wrReqParam.gattErrorCode = CY_BLE_GATT_ERR_NONE;
wrReqParam.connHandle = eventParam->connHandle;
wrReqParam.value = &eventParam->handleValPair.value;
if(Cy_BLE_CTS_ApplCallback != NULL)
{
/* Client Characteristic Configuration descriptor Write Request */
if(eventParam->handleValPair.attrHandle == cy_ble_ctssConfigPtr->attrInfo->currTimeCccdHandle)
{
/* Verify that optional notification property is enabled for Current Time
* Characteristic.
*/
if(CY_BLE_IS_NOTIFICATION_SUPPORTED(cy_ble_ctssConfigPtr->attrInfo->currTimeCharHandle))
{
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;
wrReqParam.gattErrorCode = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
event = (uint32_t)CY_BLE_EVT_CTSS_NOTIFICATION_ENABLED;
}
if(wrReqParam.gattErrorCode == CY_BLE_GATT_ERR_NONE)
{
wrReqParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
wrReqParam.value = NULL;
Cy_BLE_CTS_ApplCallback(event, &wrReqParam);
}
}
else
{
wrReqParam.gattErrorCode = CY_BLE_GATT_ERR_REQUEST_NOT_SUPPORTED;
}
/* Clear the callback flag indicating that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if((eventParam->handleValPair.attrHandle == cy_ble_ctssConfigPtr->attrInfo->currTimeCharHandle) ||
(eventParam->handleValPair.attrHandle == cy_ble_ctssConfigPtr->attrInfo->localTimeInfCharHandle))
{
if(eventParam->handleValPair.attrHandle == cy_ble_ctssConfigPtr->attrInfo->currTimeCharHandle)
{
wrReqParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
}
else
{
wrReqParam.charIndex = CY_BLE_CTS_LOCAL_TIME_INFO;
}
/* Check whether write property is supported */
wrReqParam.gattErrorCode = Cy_BLE_GATT_DbCheckPermission(eventParam->handleValPair.attrHandle,
&eventParam->connHandle, CY_BLE_GATT_DB_WRITE |
CY_BLE_GATT_DB_PEER_INITIATED);
if(wrReqParam.gattErrorCode == CY_BLE_GATT_ERR_NONE)
{
/* Send callback to user. User must validate the fields of the
* Current Time Characteristic and then perform database
* Characteristic Write procedure to write all or only selected
* fields to the database. In case if user want to ignore some
* fields of Current Time Characteristic user has to set the
* CY_BLE_GATT_ERR_CTS_DATA_FIELD_IGNORED error value in the
* "gattErrorCode" field of the structure passed from the with
* CY_BLE_EVT_CTSS_WRITE_CHAR event. In case if no fields in the
* Current Time Characteristic is ignored the "gattErrorCode"
* should be ignored.
*/
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSS_WRITE_CHAR, (void*)&wrReqParam);
if(wrReqParam.gattErrorCode != CY_BLE_GATT_ERR_CTS_DATA_FIELD_IGNORED)
{
/* Ignore all gatt errors except permitted "Data Field Ignored" */
wrReqParam.gattErrorCode = CY_BLE_GATT_ERR_NONE;
}
}
else
{
wrReqParam.gattErrorCode = CY_BLE_GATT_ERR_WRITE_NOT_PERMITTED;
}
/* Clear the callback flag indicating that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
/* This empty else statement is required by MISRA */
}
}
return(wrReqParam.gattErrorCode);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_SendNotification
***************************************************************************//**
*
* Sends a notification with the characteristic value, as specified by its
* charIndex, to the client device.
* On enabling notification successfully for a service characteristic it sends out a
* 'Handle Value Notification' which results in \ref CY_BLE_EVT_CTSC_NOTIFICATION event
* at the GATT Client's end.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of
type \ref cy_en_ble_cts_char_index_t.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* sent to the client 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_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_CTSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
if(CY_BLE_CTS_CURRENT_TIME != charIndex)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}
else
{
apiResult = Cy_BLE_CTSS_SetCharacteristicValue(charIndex, attrSize, attrValue);
if(apiResult == CY_BLE_SUCCESS)
{
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((cy_ble_ctssConfigPtr->attrInfo->currTimeCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE) ||
(!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, cy_ble_ctssConfigPtr->attrInfo->currTimeCccdHandle)))
{
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_ctssConfigPtr->attrInfo->currTimeCharHandle;
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 status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_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_CTSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* CTS characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_ctsCharUuid[CY_BLE_CTS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_CURRENT_TIME,
CY_BLE_UUID_CHAR_LOCAL_TIME_INFO,
CY_BLE_UUID_CHAR_REF_TIME_INFO
};
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t ctsDiscIdx = cy_ble_ctscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == ctsDiscIdx))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
for(i = 0u; i < (uint32_t)CY_BLE_CTS_CHAR_COUNT; i++)
{
if(cy_ble_ctsCharUuid[i] == discCharInfo->uuid.uuid16)
{
if(ctscPtr->currTimeCharacteristics[i].valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
ctscPtr->currTimeCharacteristics[i].valueHandle = discCharInfo->valueHandle;
ctscPtr->currTimeCharacteristics[i].properties = discCharInfo->properties;
}
else
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, &discCharInfo);
}
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_FIND_INFO_RSP event.
* This event is generated when a server successfully sends the data for
* #CY_BLE_GATT_FIND_INFO_REQ. Based on the service UUID, an appropriate data
* structure is populated to the service with a service callback.
*
* \param discDescrInfo: The pointer to descriptor information structure.
*
******************************************************************************/
static void Cy_BLE_CTSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t * discDescrInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t ctsDiscIdx = cy_ble_ctscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == ctsDiscIdx)
{
if(discDescrInfo->uuid.uuid16 == CY_BLE_UUID_CHAR_CLIENT_CONFIG)
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCccdHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
ctscPtr->currTimeCccdHandle = discDescrInfo->descrHandle;
}
else /* Duplication of descriptor */
{
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_DESCR_DUPLICATION, &discDescrInfo->uuid);
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_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_CTSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t ctsDiscIdx = cy_ble_ctscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == ctsDiscIdx)
{
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
if(cy_ble_configPtr->context->discovery[discIdx].charCount == 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].
valueHandle + 1u;
charRangeInfo->range.endHandle =
cy_ble_configPtr->context->serverInfo[(discIdx * discServiNum) + ctsDiscIdx].range.endHandle;
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_NotificationEventHandler
***************************************************************************//**
*
* Handles the Notification event.
*
* \param eventParam: The pointer to the cy_stc_ble_gattc_handle_value_ntf_param_t data
* structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_CTSC_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_CTS_ApplCallback != NULL))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle ==
eventParam->handleValPair.attrHandle)
{
cy_stc_ble_cts_char_value_t ntfParam;
ntfParam.connHandle = eventParam->connHandle;
ntfParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
ntfParam.value = &eventParam->handleValPair.value;
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSC_NOTIFICATION, (void*)&ntfParam);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles the Read Response event for the Current Time service.
*
* \param eventParam: The pointer to the data that came with a read response for CTS.
*
******************************************************************************/
static void Cy_BLE_CTSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
uint32_t fFlag = 1u;
uint32_t attrVal = 0u;
cy_en_ble_cts_char_index_t idx = CY_BLE_CTS_CURRENT_TIME;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_CTS_ApplCallback != NULL) &&
(cy_ble_ctscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle ==
cy_ble_ctscReqHandle[discIdx])
{
idx = CY_BLE_CTS_CURRENT_TIME;
}
else
if(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_LOCAL_TIME_INFO].valueHandle ==
cy_ble_ctscReqHandle[discIdx])
{
idx = CY_BLE_CTS_LOCAL_TIME_INFO;
}
else
if(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_REFERENCE_TIME_INFO].valueHandle ==
cy_ble_ctscReqHandle[discIdx])
{
idx = CY_BLE_CTS_REFERENCE_TIME_INFO;
}
else if(ctscPtr->currTimeCccdHandle == cy_ble_ctscReqHandle[discIdx])
{
/* Attribute is characteristic descriptor */
attrVal = 1u;
}
else
{
/* No CTS characteristics were requested for read */
fFlag = 0u;
}
if(fFlag != 0u)
{
/* Read response for characteristic */
if(attrVal == 0u)
{
/* Fill Current Time service read response parameter structure with
* characteristic info. */
cy_stc_ble_cts_char_value_t rdRspParam = { .connHandle = eventParam->connHandle };
rdRspParam.charIndex = idx;
rdRspParam.value = &eventParam->value;
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSC_READ_CHAR_RESPONSE, (void*)&rdRspParam);
}
else /* Read response for characteristic descriptor */
{
/* Fill Current Time service read response parameter structure with
* characteristic descriptor info. */
cy_stc_ble_cts_descr_value_t rdRspParam;
rdRspParam.connHandle = eventParam->connHandle;
rdRspParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
rdRspParam.descrIndex = CY_BLE_CTS_CURRENT_TIME_CCCD;
rdRspParam.value = &eventParam->value;
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSC_READ_DESCR_RESPONSE, (void*)&rdRspParam);
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
cy_ble_ctscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles the Write Response event for the Current Time service.
*
* \param eventParam: The pointer to the cy_stc_ble_conn_handle_t data structure.
*
******************************************************************************/
static void Cy_BLE_CTSC_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_CTS_ApplCallback != NULL) &&
(cy_ble_ctscReqHandle[discIdx] != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCccdHandle == cy_ble_ctscReqHandle[discIdx])
{
cy_stc_ble_cts_descr_value_t wrRspParam;
wrRspParam.connHandle = *eventParam;
wrRspParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
wrRspParam.descrIndex = CY_BLE_CTS_CURRENT_TIME_CCCD;
wrRspParam.value = NULL;
cy_ble_ctscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSC_WRITE_DESCR_RESPONSE, (void*)&wrRspParam);
}
else if((ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle ==
cy_ble_ctscReqHandle[discIdx]) ||
(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_LOCAL_TIME_INFO].valueHandle ==
cy_ble_ctscReqHandle[discIdx]))
{
cy_stc_ble_cts_char_value_t wrRspParam;
if(ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle ==
cy_ble_ctscReqHandle[discIdx])
{
wrRspParam.charIndex = CY_BLE_CTS_CURRENT_TIME;
}
else
{
wrRspParam.charIndex = CY_BLE_CTS_LOCAL_TIME_INFO;
}
wrRspParam.connHandle = *eventParam;
wrRspParam.value = NULL;
cy_ble_ctscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
Cy_BLE_CTS_ApplCallback((uint32_t)CY_BLE_EVT_CTSC_WRITE_CHAR_RESPONSE, (void*)&wrRspParam);
}
else
{
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles the Error Response event for the Current Time service.
*
* \param eventParam: The pointer to the cy_stc_ble_gatt_err_param_t structure.
*
******************************************************************************/
static void Cy_BLE_CTSC_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_ctscReqHandle[discIdx])
{
cy_ble_ctscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_SetCharacteristicValue
***************************************************************************//**
*
* This function is used to write the characteristic (which is identified by
* charIndex) value attribute in the server. As a result a Write Request is
* sent to the GATT Server and on successful execution of the request on the
* server side, the \ref CY_BLE_EVT_CTSS_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_cts_char_index_t.
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: 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 CTS service-specific callback is registered
* with \ref Cy_BLE_CTS_RegisterAttrCallback():
* * #CY_BLE_EVT_CTSC_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_cts_char_value_t.
* .
* Otherwise (if the CTS 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_CTSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(discIdx >= cy_ble_configPtr->params->maxClientCount)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
/* Select characteristic */
switch(charIndex)
{
case CY_BLE_CTS_CURRENT_TIME:
writeReqParam.handleValPair.attrHandle = ctscPtr->
currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle;
break;
case CY_BLE_CTS_LOCAL_TIME_INFO:
writeReqParam.handleValPair.attrHandle = ctscPtr->
currTimeCharacteristics[CY_BLE_CTS_LOCAL_TIME_INFO].valueHandle;
break;
case CY_BLE_CTS_REFERENCE_TIME_INFO:
/* Reference Time Information is read only */
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
break;
default:
/* Characteristic wasn't found */
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
break;
}
if(apiResult == CY_BLE_SUCCESS)
{
if(writeReqParam.handleValPair.attrHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Send request to read characteristic value */
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_ctscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of the Current Time service, which is identified
* by charIndex.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of
* type \ref cy_en_ble_cts_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_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 CTS service-specific callback is registered
* with \ref Cy_BLE_CTS_RegisterAttrCallback():
* * #CY_BLE_EVT_CTSC_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_cts_char_value_t.
* .
* Otherwise (if an CTS 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_en_ble_api_result_t Cy_BLE_CTSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex)
{
cy_stc_ble_gattc_read_req_t readReqParam;
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
readReqParam.connHandle = connHandle;
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(discIdx >= cy_ble_configPtr->params->maxClientCount)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
/* Select characteristic */
switch(charIndex)
{
case CY_BLE_CTS_CURRENT_TIME:
readReqParam.attrHandle = ctscPtr->currTimeCharacteristics[CY_BLE_CTS_CURRENT_TIME].valueHandle;
break;
case CY_BLE_CTS_LOCAL_TIME_INFO:
readReqParam.attrHandle = ctscPtr->currTimeCharacteristics[CY_BLE_CTS_LOCAL_TIME_INFO].
valueHandle;
break;
case CY_BLE_CTS_REFERENCE_TIME_INFO:
readReqParam.attrHandle = ctscPtr->currTimeCharacteristics[CY_BLE_CTS_REFERENCE_TIME_INFO].
valueHandle;
break;
default:
/* Characteristic wasn't found */
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
break;
}
if(apiResult == CY_BLE_SUCCESS)
{
if(readReqParam.attrHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Send request to read characteristic value */
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_ctscReqHandle[discIdx] = readReqParam.attrHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sets a characteristic descriptor of the Current Time Characteristic of the
* Current Time 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_CTSS_NOTIFICATION_ENABLED
* * \ref CY_BLE_EVT_CTSS_NOTIFICATION_DISABLED
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cts_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cts_char_descriptors_t.
* \param attrSize: The size of the characteristic descriptor 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 CTS service-specific callback is registered
* with \ref Cy_BLE_CTS_RegisterAttrCallback():
* * #CY_BLE_EVT_CTSC_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_cts_descr_value_t.
* .
* Otherwise (if an CTS 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_CTSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex,
cy_en_ble_cts_char_descriptors_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((discIdx < cy_ble_configPtr->params->maxClientCount) && (attrValue != NULL) &&
(charIndex == CY_BLE_CTS_CURRENT_TIME) && (descrIndex == CY_BLE_CTS_CURRENT_TIME_CCCD) &&
(attrSize == CY_BLE_CCCD_LEN))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCccdHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Fill all fields of Write Request structure ... */
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.handleValPair.attrHandle = ctscPtr->currTimeCccdHandle;
writeReqParam.connHandle = connHandle;
/* ... and send request to server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_ctscReqHandle[discIdx] = ctscPtr->currTimeCccdHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
else
{
/* Parameter validation failed */
}
/* Return the status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of the Current Time Characteristic of the
* Current Time service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cts_char_index_t.
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cts_char_descriptors_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 | Peer device doesn't have a particular descriptor.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the CTS service-specific callback is registered
* with \ref Cy_BLE_CTS_RegisterAttrCallback():
* * #CY_BLE_EVT_CTSC_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_cts_descr_value_t.
* .
* Otherwise (if an CTS 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_CTSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cts_char_index_t charIndex,
uint8_t descrIndex)
{
cy_en_ble_api_result_t apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((discIdx < cy_ble_configPtr->params->maxClientCount) && (charIndex == CY_BLE_CTS_CURRENT_TIME) &&
(descrIndex == ((uint8_t)CY_BLE_CTS_CURRENT_TIME_CCCD)))
{
/* Get pointer (with offset) to CTS client structure with attribute handles */
cy_stc_ble_ctsc_t *ctscPtr = (cy_stc_ble_ctsc_t *)&cy_ble_ctscConfigPtr->attrInfo[discIdx];
if(ctscPtr->currTimeCccdHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = ctscPtr->currTimeCccdHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_ctscReqHandle[discIdx] = ctscPtr->currTimeCccdHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
}
else
{
/* Validation of input parameters failed */
}
/* Return status */
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CTS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the CTS 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_CTS_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_CTSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_CTSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_CTSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_CTSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the CTS 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_CTSS_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_CTSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_CTSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the CTS 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_CTSC_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_CTSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_CTSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_CTSC_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_CTSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_CTSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_CTSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_CTSC_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 */