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cy_ble_ips.c
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/***************************************************************************//**
* \file cy_ble_ips.c
* \version 3.60
*
* \brief
* Contains the source code for Indoor Positioning 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_IPS_Get16ByPtr Cy_BLE_Get16ByPtr
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_IPS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_IPSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_IPSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_IPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_IPSS_PrepareWriteRequestEventHandler(const cy_stc_ble_gatts_prep_write_req_param_t *eventParam);
static void Cy_BLE_IPSS_ExecuteWriteRequestEventHandler(cy_stc_ble_gatts_exec_write_req_t *eventParam);
static void Cy_BLE_IPSS_WriteCmdEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static cy_en_ble_api_result_t Cy_BLE_IPSS_SetAdvertisementData(void);
static void Cy_BLE_IPSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_IPSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_IPSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_IPSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_IPSC_ReadMultipleResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_IPSC_ReadLongRespEventHandler(const cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_IPSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_IPSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam);
static void Cy_BLE_IPSC_ExecuteWriteResponseEventHandler(const cy_stc_ble_gattc_exec_write_rsp_t *eventParam);
/*******************************************************************************
* Global Variables
*******************************************************************************/
/* The pointers to the callback functions */
static cy_ble_callback_t Cy_BLE_IPS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_IPSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_IPSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_ipscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE IPS server config structure */
const cy_stc_ble_ipss_config_t *cy_ble_ipssConfigPtr = NULL;
/* The pointer to a global BLE IPS client config structure */
const cy_stc_ble_ipsc_config_t *cy_ble_ipscConfigPtr = NULL;
/* Read Long Descriptors variables */
static uint8_t *cy_ble_ipscRdLongBuffPtr[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
static uint16_t cy_ble_ipscRdLongBuffLen[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
static uint16_t cy_ble_ipscCurrLen[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
/******************************************************************************
* Function Name: Cy_BLE_IPSS_Init
***************************************************************************//**
*
* This function initializes server of the Indoor Positioning service.
*
* \param config: Configuration structure for the IPS.
*
* \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_IPSS_Init(const cy_stc_ble_ipss_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_ipssConfigPtr = config;
/* Registers event handler for the IPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_IPS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_IPSS_EventHandlerCallback = &Cy_BLE_IPSS_EventHandler;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSC_Init
***************************************************************************//**
*
* This function initializes client of the Indoor Positioning service.
*
* \param config: Configuration structure for the IPS.
*
* \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_IPSC_Init(const cy_stc_ble_ipsc_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_ipscConfigPtr = config;
/* Registers event handler for the IPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_IPS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_IPSC_EventHandlerCallback = &Cy_BLE_IPSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 ipsServIdx = cy_ble_ipscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + ipsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to IPS client structure */
cy_stc_ble_ipsc_t *ipscPtr = (cy_stc_ble_ipsc_t *)&cy_ble_ipscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(ipscPtr, 0, sizeof(cy_stc_ble_ipsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + ipsServIdx].uuid =
CY_BLE_UUID_IPS_SERVICE;
}
cy_ble_ipscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPS_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 IPS 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_IPSS_WRITE_CHAR).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_ips_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_IPS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_IPS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_WriteEventHandler
***************************************************************************//**
*
* Handles the Write Request event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* \return
* cy_en_ble_gatt_err_code_t - A function result state if it succeeded
* (CY_BLE_GATT_ERR_NONE) or failed with error codes:
* * CY_BLE_GATTS_ERR_PROCEDURE_ALREADY_IN_PROGRESS
* * CY_BLE_GATTS_ERR_CCCD_IMPROPERLY_CONFIGURED
*
* NOTE: when advertisement is active this API uses Cy_BLE_GAPP_UpdateAdvScanData() to
* update the advertisement packet. In the case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the event #CY_BLE_EVT_GAPP_UPDATE_ADV_SCAN_DATA_COMPLETE appears.
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_IPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
if(Cy_BLE_IPS_ApplCallback != NULL)
{
cy_stc_ble_ips_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.gattErrorCode = CY_BLE_GATT_ERR_NONE;
for(locCharValue.charIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharValue.charIndex < CY_BLE_IPS_CHAR_COUNT;
locCharValue.charIndex++)
{
if((eventParam->handleValPair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].charHandle) ||
(eventParam->handleValPair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].descrHandle[CY_BLE_IPS_SCCD]) ||
(eventParam->handleValPair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].descrHandle[CY_BLE_IPS_CEPD]))
{
gattErr = Cy_BLE_GATT_DbCheckPermission(eventParam->handleValPair.attrHandle, &eventParam->connHandle,
CY_BLE_GATT_DB_WRITE | CY_BLE_GATT_DB_PEER_INITIATED);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
locCharValue.value = &eventParam->handleValPair.value;
if(!CY_BLE_GATT_DB_ATTR_CHECK_PRPTY(eventParam->handleValPair.attrHandle,
CY_BLE_GATT_DB_CH_PROP_WRITE))
{
gattErr = CY_BLE_GATT_ERR_WRITE_NOT_PERMITTED;
}
else if(eventParam->handleValPair.value.len >
CY_BLE_GATT_DB_ATTR_GET_ATTR_GEN_MAX_LEN(eventParam->handleValPair.attrHandle))
{
gattErr = CY_BLE_GATT_ERR_INVALID_ATTRIBUTE_LEN;
}
else
{
Cy_BLE_IPS_ApplCallback((uint32_t)CY_BLE_EVT_IPSS_WRITE_CHAR, &locCharValue);
if(locCharValue.gattErrorCode == CY_BLE_GATT_ERR_USER_DATA_ACCESS_NOT_PERMITTED)
{
gattErr = CY_BLE_GATT_ERR_USER_DATA_ACCESS_NOT_PERMITTED;
}
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;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if((gattErr == CY_BLE_GATT_ERR_NONE) &&
(eventParam->handleValPair.attrHandle == cy_ble_ipssConfigPtr->
attrInfo->charInfo[locCharValue.charIndex].charHandle))
{
CY_BLE_GATT_DB_ATTR_SET_ATTR_GEN_LEN
(cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].charHandle,
locCharValue.value->len);
(void)Cy_BLE_IPSS_SetAdvertisementData();
}
}
}
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_WriteCmdEventHandler
***************************************************************************//**
*
* Handles the Write Without Response Request event.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* NOTE: when advertisement is active this API uses Cy_BLE_GAPP_UpdateAdvScanData() to
* update the advertisement packet. In the case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the event #CY_BLE_EVT_GAPP_UPDATE_ADV_SCAN_DATA_COMPLETE appears.
*
******************************************************************************/
static void Cy_BLE_IPSS_WriteCmdEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_stc_ble_ips_char_value_t locCharValue;
cy_en_ble_gatt_err_code_t gattErr;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.value = &eventParam->handleValPair.value;
for(locCharValue.charIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharValue.charIndex < CY_BLE_IPS_CHAR_COUNT;
locCharValue.charIndex++)
{
if((eventParam->handleValPair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharValue.charIndex].charHandle) &&
(Cy_BLE_IPS_ApplCallback != NULL))
{
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);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
Cy_BLE_IPS_ApplCallback((uint32_t)CY_BLE_EVT_IPSS_WRITE_CHAR, &locCharValue);
(void)Cy_BLE_IPSS_SetAdvertisementData();
}
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_PrepareWriteRequestEventHandler
***************************************************************************//**
*
* Handles the Prepare Write Request event.
*
* \param eventParam: The pointer to the data that comes with a prepare
* Write Request.
*
******************************************************************************/
static void Cy_BLE_IPSS_PrepareWriteRequestEventHandler(const cy_stc_ble_gatts_prep_write_req_param_t *eventParam)
{
cy_en_ble_ips_char_index_t locCharIndex;
for(locCharIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharIndex < CY_BLE_IPS_CHAR_COUNT; locCharIndex++)
{
if(eventParam->baseAddr[eventParam->currentPrepWriteReqCount - 1u].handleValuePair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle)
{
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_ExecuteWriteRequestEventHandler
***************************************************************************//**
*
* Handles the Execute Write Request event.
*
* \param eventParam: The pointer to the data that came with a Write Request.
*
******************************************************************************/
static void Cy_BLE_IPSS_ExecuteWriteRequestEventHandler(cy_stc_ble_gatts_exec_write_req_t *eventParam)
{
uint32_t locCount;
cy_stc_ble_ips_char_value_t locCharValue[CY_BLE_IPS_CHAR_COUNT];
cy_stc_ble_gatt_value_t locGattValue[CY_BLE_IPS_CHAR_COUNT];
cy_en_ble_ips_char_index_t locCharIndex;
for(locCharIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharIndex < CY_BLE_IPS_CHAR_COUNT; locCharIndex++)
{
locGattValue[locCharIndex].len = 0u;
locGattValue[locCharIndex].val = NULL;
}
for(locCount = 0u; locCount < eventParam->prepWriteReqCount; locCount++)
{
for(locCharIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharIndex < CY_BLE_IPS_CHAR_COUNT; locCharIndex++)
{
if(eventParam->baseAddr[locCount].handleValuePair.attrHandle ==
cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle)
{
locGattValue[locCharIndex].len = eventParam->baseAddr[locCount].offset +
eventParam->baseAddr[locCount].handleValuePair.value.len;
if(locGattValue[locCharIndex].val == NULL)
{
locGattValue[locCharIndex].val = eventParam->baseAddr[locCount].handleValuePair.value.val;
}
else if(eventParam->baseAddr[locCount].offset == 0u)
{
/* Case when client wants to rewrite value from beginning */
locGattValue[locCharIndex].val = eventParam->baseAddr[locCount].handleValuePair.value.val;
}
else
{
/* Do nothing */
}
}
}
}
for(locCharIndex = CY_BLE_IPS_INDOOR_POSITINING_CONFIG; locCharIndex < CY_BLE_IPS_CHAR_COUNT; locCharIndex++)
{
if((Cy_BLE_IPS_ApplCallback != NULL) && (locGattValue[locCharIndex].len != 0u) &&
(locGattValue[locCharIndex].len <=
CY_BLE_GATT_DB_ATTR_GET_ATTR_GEN_MAX_LEN(cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle)))
{
/* Check the execWriteFlag before execute or cancel write long operation */
if(eventParam->execWriteFlag == CY_BLE_GATT_EXECUTE_WRITE_EXEC_FLAG)
{
locCharValue[locCharIndex].gattErrorCode = CY_BLE_GATT_ERR_NONE;
locCharValue[locCharIndex].connHandle = eventParam->connHandle;
locCharValue[locCharIndex].charIndex = locCharIndex;
locCharValue[locCharIndex].value = &locGattValue[locCharIndex];
Cy_BLE_IPS_ApplCallback((uint32_t)CY_BLE_EVT_IPSS_WRITE_CHAR, &locCharValue[locCharIndex]);
CY_BLE_GATT_DB_ATTR_SET_ATTR_GEN_LEN(cy_ble_ipssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle,
locGattValue[locCharIndex].len);
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets the characteristic value of the service in the local database.
*
* \param charIndex: The index of the service characteristic. Starts with zero.
* \param attrSize: The size (in bytes) of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* stored in the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
*
* NOTE: when advertisement is active this API uses Cy_BLE_GAPP_UpdateAdvScanData() to
* update the advertisement packet. In the case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the event #CY_BLE_EVT_GAPP_UPDATE_ADV_SCAN_DATA_COMPLETE appears.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_IPSS_SetCharacteristicValue(cy_en_ble_ips_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
if(charIndex >= CY_BLE_IPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE == cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].charHandle)
{
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_ipssConfigPtr->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_IPSS_SetAdvertisementData();
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets the characteristic value of the service, which is a value identified by
* charIndex.
*
* \param charIndex: The index of the service characteristic. Starts with zero.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the location where characteristic value data
* should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_IPSS_GetCharacteristicValue(cy_en_ble_ips_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check parameters */
if(charIndex >= CY_BLE_IPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE == cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].charHandle)
{
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_ipssConfigPtr->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_IPSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of a specified characteristic of the Indoor
* Positioning service from the local GATT database.
*
* \param charIndex: The index of the characteristic.
* \param descrIndex: The index of the characteristic descriptor.
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the location where characteristic descriptor
* value data should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The 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_IPSS_GetCharacteristicDescriptor(cy_en_ble_ips_char_index_t charIndex,
cy_en_ble_ips_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
/* Check parameters */
if((charIndex >= CY_BLE_IPS_CHAR_COUNT) || (descrIndex >= CY_BLE_IPS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE == cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[descrIndex])
{
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.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[descrIndex];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_SetCharacteristicDescriptor
***************************************************************************//**
*
* Set a characteristic descriptor of a specified characteristic of the Indoor
* Positioning service from the local GATT database.
*
* \param charIndex: The index of the characteristic.
* \param descrIndex: The index of the characteristic descriptor.
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the descriptor value data to
* be stored in the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was handled successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_IPSS_SetCharacteristicDescriptor(cy_en_ble_ips_char_index_t charIndex,
cy_en_ble_ips_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Check parameters */
if((charIndex >= CY_BLE_IPS_CHAR_COUNT) || (descrIndex >= CY_BLE_IPS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE == cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[descrIndex])
{
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.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[descrIndex];
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_IPSS_SetAdvertisementData();
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSS_SetAdvertisementData
***************************************************************************//**
*
* Sets the characteristics values in advertisement packet depending on a value of
* Indoor Positioning Configuration characteristic.
*
* This function must be called when Cy_BLE_StackGetBleSsState() returns
* CY_BLE_BLESS_STATE_EVENT_CLOSE state.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The advertisement packet collected successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Read operation is not permitted on this attribute or on NULL pointer, Data length in input parameter exceeds 31 bytes.
* CY_BLE_ERROR_INVALID_OPERATION | The advertisement packet doesn't contain the User List or it is to small or ADV event is not closed, BLESS is active or ADV is not enabled.
*
*
******************************************************************************/
static cy_en_ble_api_result_t Cy_BLE_IPSS_SetAdvertisementData(void)
{
uint32_t fFlag;
uint8_t adLength;
uint8_t dataLengthAddress = 0u;
uint8_t byteCounter;
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
uint8_t ipssConfigFlags;
uint8_t advIndex = 0u;
do
{
byteCounter = 0u;
fFlag = 0u;
while((byteCounter < cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advDataLen) && (fFlag == 0u))
{
adLength = cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advData[byteCounter];
if(adLength != 0u)
{
/* Increment byte counter so that it points to AD type field */
byteCounter++;
if(cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advData[byteCounter] == CY_BLE_IPS_AD_TYPE)
{
/* Start if a "Indoor Positioning" AD type was found. Set flag and exit the loop. */
fFlag = 1u;
dataLengthAddress = byteCounter - 1u;
}
else
{
byteCounter += adLength;
}
}
else
{
/* End of advertisement data structure was encountered so exit loop. */
break;
}
}
if(fFlag != 0u)
{
/* Get Configuration value from GATT database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_INDOOR_POSITINING_CONFIG].charHandle;
dbAttrValInfo.handleValuePair.value.len = 1u;
dbAttrValInfo.handleValuePair.value.val = &ipssConfigFlags;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
/* Increment byte counter to point to Indoor Positioning data */
byteCounter++;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if((ipssConfigFlags & CY_BLE_IPS_CHARACTERISTICS_IN_ADVERTISING) != 0u)
{
cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advData[byteCounter] = ipssConfigFlags;
byteCounter++;
if((ipssConfigFlags & CY_BLE_IPS_COORDINATES_IN_ADVERTISING) != 0u)
{
if((ipssConfigFlags & CY_BLE_IPS_TYPE_OF_COORDINATE_IN_ADVERTISING) == CY_BLE_IPS_WGS84_COORDINATE)
{
/* CY_BLE_IPS_WGS84_COORDINATE
* Latitude
*/
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_LATITUDE].charHandle;
dbAttrValInfo.handleValuePair.value.len = 4u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
/* Longitude */
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_LONGITUDE].charHandle;
dbAttrValInfo.handleValuePair.value.len = 4u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
}
else
{ /* CY_BLE_IPS_LOCAL_COORDINATE
* North coordinate
*/
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_LOCAL_NORTH_COORDINATE].charHandle;
dbAttrValInfo.handleValuePair.value.len = 2u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
/* East coordinate */
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_LOCAL_EAST_COORDINATE].charHandle;
dbAttrValInfo.handleValuePair.value.len = 2u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
}
}
if((ipssConfigFlags & CY_BLE_IPS_TX_POWER_IN_ADVERTISING) != 0u)
{
cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advData[byteCounter] = 0xAAu;
byteCounter++;
}
if((ipssConfigFlags & CY_BLE_IPS_FLOOR_NUMBER_IN_ADVERTISING) != 0u)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_FLOOR_NUMBER].charHandle;
dbAttrValInfo.handleValuePair.value.len = 1u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
}
if((ipssConfigFlags & CY_BLE_IPS_ALTITUDE_IN_ADVERTISING) != 0u)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->charInfo[CY_BLE_IPS_ALTITUDE].
charHandle;
dbAttrValInfo.handleValuePair.value.len = 2u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
}
if((ipssConfigFlags & CY_BLE_IPS_UNCERTAINTY_NUMBER_IN_ADVERTISING) != 0u)
{
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_ipssConfigPtr->attrInfo->
charInfo[CY_BLE_IPS_UNCERTAINTY].charHandle;
dbAttrValInfo.handleValuePair.value.len = 2u;
dbAttrValInfo.handleValuePair.value.val = &cy_ble_configPtr->discoveryModeInfo[advIndex].
advData->advData[byteCounter];
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
byteCounter += (uint8_t)dbAttrValInfo.handleValuePair.value.len;
}
}
else /* No CY_BLE_IPS_CHARACTERISTICS_IN_ADVERTISING */
{
}
cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advData[dataLengthAddress] =
byteCounter - dataLengthAddress - 1u;
cy_ble_configPtr->discoveryModeInfo[advIndex].advData->advDataLen = byteCounter;
}
advIndex++;
}
while(advIndex < cy_ble_configPtr->params->gappConfCount);
if(Cy_BLE_GetAdvertisementState() == CY_BLE_ADV_STATE_ADVERTISING)
{
apiResult = Cy_BLE_GAPP_UpdateAdvScanData(&cy_ble_configPtr->discoveryModeInfo[cy_ble_advIndex]);
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_IPSC_SetCharacteristicValueWithoutResponse
***************************************************************************//**
*
* This function is used to write the characteristic (which is identified by
* charIndex) value attribute in the server without response.
*
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic.
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic value data that should be
* sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameters failed.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_IPSC_SetCharacteristicValueWithoutResponse(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_ips_char_index_t charIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
cy_stc_ble_gatt_xchg_mtu_param_t mtuParam = { .connHandle = connHandle };
/* Get pointer (with offset) to IPS client structure with attribute handles */
cy_stc_ble_ipsc_t *ipscPtr = (cy_stc_ble_ipsc_t *)&cy_ble_ipscConfigPtr->attrInfo[discIdx];
(void)Cy_BLE_GATT_GetMtuSize(&mtuParam);
/* Check parameters */
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_IPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(ipscPtr->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 & ipscPtr->charInfo[charIndex].properties) == 0u)
{
apiResult = CY_BLE_ERROR_INVALID_OPERATION;
}