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bless/cy_ble_cps.c

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/***************************************************************************//**
* \file cy_ble_cps.c
* \version 3.60
*
* \brief
* Contains the source code for Cycling Power 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_CPSC_CheckCharHandle(handle) \
do { \
if((handle).valueHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE) \
{ \
(handle).valueHandle = discCharInfo->valueHandle; \
(handle).properties = discCharInfo->properties; \
} \
else \
{ \
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_CHAR_DUPLICATION, \
&(discCharInfo)); \
} \
} while(0)
#define Cy_BLE_CPSS_ConnectEventHandler Cy_BLE_CPSS_Init
#define Cy_BLE_CPSS_DisconnectEventHandler Cy_BLE_CPSS_StopBroadcast
#define Cy_BLE_CPSC_DisconnectEventHandler Cy_BLE_CPSC_StopObserve
/*******************************************************************************
* Private Function Prototypes
*******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_CPS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CPSS_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CPSC_EventHandler(uint32_t eventCode, void *eventParam);
static cy_en_ble_gatt_err_code_t Cy_BLE_CPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam);
static void Cy_BLE_CPSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_CPSS_ConnParamUpdateRspEventHandler(const cy_stc_ble_l2cap_conn_update_rsp_param_t *eventParam);
static void Cy_BLE_CPSS_ConnUpdateCompleteEventHandler(const cy_stc_ble_gap_conn_param_updated_in_controller_t *eventParam);
static void Cy_BLE_CPSS_AdvertisementStartStopEventHandler(void);
static void Cy_BLE_CPSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo);
static void Cy_BLE_CPSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo);
static void Cy_BLE_CPSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo);
static void Cy_BLE_CPSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam);
static void Cy_BLE_CPSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam);
static void Cy_BLE_CPSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam);
static void Cy_BLE_CPSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam);
static void Cy_BLE_CPSC_ErrorResponseEventHandler(const cy_stc_ble_gatt_err_param_t *eventParam);
static void Cy_BLE_CPSC_ScanStartStopEventHandler(void);
static void Cy_BLE_CPSC_ScanProcessEventHandler(cy_stc_ble_gapc_adv_report_param_t *eventParam);
static void Cy_BLE_CPSC_TimeOutEventHandler(const cy_stc_ble_timeout_param_t *eventParam);
/*******************************************************************************
* Global Variables
*******************************************************************************/
/* The pointers to the callback functions */
static cy_ble_callback_t Cy_BLE_CPS_ApplCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_CPSC_EventHandlerCallback = NULL;
static cy_ble_event_handler_cb_t Cy_BLE_CPSS_EventHandlerCallback = NULL;
/* The internal storage for the last request handle to check response for server */
static cy_ble_gatt_db_attr_handle_t cy_ble_cpssReqHandle;
/* The internal storage for the last request handle to check response */
static cy_ble_gatt_db_attr_handle_t cy_ble_cpscReqHandle[CY_BLE_MAX_CONNECTION_INSTANCES];
/* The pointer to a global BLE CPS server config structure */
const cy_stc_ble_cpss_config_t *cy_ble_cpssConfigPtr = NULL;
/* The pointer to a global BLE CPS client config structure */
const cy_stc_ble_cpsc_config_t *cy_ble_cpscConfigPtr = NULL;
cy_stc_ble_cps_cp_adjustment_t cy_ble_cpssAdjustment;
static uint8_t cy_ble_cpssFlag;
static cy_stc_ble_gap_conn_param_updated_in_controller_t cy_ble_cpssConnParam;
static uint8_t cy_ble_cpscFlag[CY_BLE_MAX_CONNECTION_INSTANCES];
static cy_stc_ble_timer_info_t cy_ble_cpscCpTimeout[CY_BLE_MAX_CONNECTION_INSTANCES];
static uint8_t cy_ble_cpscObserverFlag;
cy_stc_ble_gapp_disc_param_t cy_ble_cpssBroadcastParam;
cy_stc_ble_gapp_disc_data_t cy_ble_cpssBroadcastData =
{
{ /* Length, FLAGS, BR/EDR NOT Supported */
CY_BLE_GAP_ADV_FLAGS_PACKET_LENGTH, (uint8_t)CY_BLE_GAP_ADV_FLAGS, CY_BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED,
/* Advertising Interval data type contains the advInterval value */
CY_BLE_GAP_ADV_ADVERT_INTERVAL_PACKET_LENGTH, (uint8_t)CY_BLE_GAP_ADV_ADVERT_INTERVAL,
CY_LO8(CY_BLE_GAP_ADV_ADVERT_INTERVAL_NONCON_MIN), CY_HI8(CY_BLE_GAP_ADV_ADVERT_INTERVAL_NONCON_MIN),
/* The service data type consists of a CPS service UUID with the Cycling Power Measurement
* characteristic value */
CY_BLE_CPSS_BROADCAST_DATA_LEN_MIN, /* Packet length */
(uint8_t)CY_BLE_GAP_ADV_SRVC_DATA_16UUID, /* service data */
CY_LO8(CY_BLE_UUID_CPS_SERVICE), CY_HI8(CY_BLE_UUID_CPS_SERVICE), /* CPS service UUID */
0x00u, 0x00u, /* Flags */
0x11u, 0x11u, /* Instantaneous Power */
0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u,
0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u, 0x00u
},
/* Advertising data length */
CY_BLE_CPSS_BROADCAST_DATA_LEN_MIN + CY_BLE_CPSS_BROADCAST_HEADER_LEN,
};
cy_stc_ble_gapp_disc_mode_info_t cy_ble_cpssBroadcastModeInfo =
{
CY_BLE_GAPP_NONE_DISC_BROADCAST_MODE, /* discMode */
&cy_ble_cpssBroadcastParam,
&cy_ble_cpssBroadcastData,
NULL,
0u, /* advTo */
};
/******************************************************************************
* Function Name: Cy_BLE_CPSS_Init
***************************************************************************//**
*
* This function initializes server of the Cycling Power service.
*
* \param config: Configuration structure for the CPS.
*
* \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_CPSS_Init(const cy_stc_ble_cpss_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_cpssConfigPtr = config;
/* Registers event handler for the CPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_CPS_EventHandler);
/* Registers a pointer to server event handler function */
Cy_BLE_CPSS_EventHandlerCallback = &Cy_BLE_CPSS_EventHandler;
cy_ble_cpssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_cpssFlag = 0u;
cy_ble_cpssAdjustment.samplingRate = CY_BLE_CPS_SAMLING_RATE_DEFAULT;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_Init
***************************************************************************//**
*
* This function initializes client of the Cycling Power service.
*
* \param config: Configuration structure for the CPS.
*
* \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_CPSC_Init(const cy_stc_ble_cpsc_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_cpscConfigPtr = config;
/* Registers event handler for the CPS */
apiResult = Cy_BLE_RegisterServiceEventHandler(&Cy_BLE_CPS_EventHandler);
/* Registers a pointer to client event handler function */
Cy_BLE_CPSC_EventHandlerCallback = &Cy_BLE_CPSC_EventHandler;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
uint32 servCnt = cy_ble_configPtr->context->discServiCount;
uint32 cpsServIdx = cy_ble_cpscConfigPtr->serviceDiscIdx;
if(cy_ble_configPtr->context->serverInfo[(idx * servCnt) + cpsServIdx].range.startHandle ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
/* Get pointer to CPS client structure */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[idx];
/* Clean client structure */
(void)memset(cpscPtr, 0, sizeof(cy_stc_ble_cpsc_t));
/* Initialize uuid */
cy_ble_configPtr->context->serverInfo[(idx * servCnt) + cpsServIdx].uuid =
CY_BLE_UUID_CPS_SERVICE;
}
cy_ble_cpscFlag[idx] = 0u;
cy_ble_cpscCpTimeout[idx].timeout = CY_BLE_CPS_CP_PROCEDURE_TIMEOUT;
cy_ble_cpscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPS_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 CPS 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_CPSS_NOTIFICATION_ENABLED).
* * eventParam: Contains the parameters corresponding to the
* current event; (e.g. pointer to \ref cy_stc_ble_cps_char_value_t
* structure that contains details of the characteristic
* for which the notification enabled event was triggered).
*
******************************************************************************/
void Cy_BLE_CPS_RegisterAttrCallback(cy_ble_callback_t callbackFunc)
{
Cy_BLE_CPS_ApplCallback = callbackFunc;
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_SetCharacteristicValue
***************************************************************************//**
*
* Sets a characteristic value of Cycling Power 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_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \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_CPSS_SetCharacteristicValue(cy_en_ble_cps_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if(charIndex >= CY_BLE_CPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
/* Store data in database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_cpssConfigPtr->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;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_GetCharacteristicValue
***************************************************************************//**
*
* Gets a characteristic value of Cycling Power service. The value is
* identified by charIndex.
*
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the location where characteristic value data
* should be stored.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_GetCharacteristicValue(cy_en_ble_cps_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if(charIndex >= CY_BLE_CPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.connHandle.bdHandle = 0u;
dbAttrValInfo.connHandle.attId = 0u;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_cpssConfigPtr->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;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sets a characteristic descriptor of the specified characteristic of Cycling
* Power service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cps_descr_index_t. The valid values are,
* * \ref CY_BLE_CPS_CCCD
* * \ref CY_BLE_CPS_SCCD
* \param attrSize: The size of the characteristic descriptor attribute.
* \param attrValue: The pointer to the descriptor value data that should
* be stored to the GATT database.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
cy_en_ble_cps_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (descrIndex >= CY_BLE_CPS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[descrIndex];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_GetCharacteristicDescriptor
***************************************************************************//**
*
* Gets a characteristic descriptor of the specified characteristic of Cycling
* Power service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cps_descr_index_t. The valid values are,
* * \ref CY_BLE_CPS_CCCD
* * \ref CY_BLE_CPS_SCCD
* \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 characteristic descriptor value was read successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
cy_en_ble_cps_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (descrIndex >= CY_BLE_CPS_DESCR_COUNT))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfo;
dbAttrValInfo.handleValuePair.attrHandle = cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].descrHandle[descrIndex];
dbAttrValInfo.handleValuePair.value.len = attrSize;
dbAttrValInfo.handleValuePair.value.val = attrValue;
dbAttrValInfo.connHandle = connHandle;
dbAttrValInfo.offset = 0u;
dbAttrValInfo.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfo) != CY_BLE_GATT_ERR_NONE)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_WriteEventHandler
***************************************************************************//**
*
* Handles Write Request event for CPS service.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
* \return
* A return value of type cy_en_ble_gatt_err_code_t.
* * CY_BLE_GATT_ERR_NONE - write is successful
* * CY_BLE_GATT_ERR_PROCEDURE_ALREADY_IN_PROGRESS
* * CY_BLE_GATT_ERR_CCCD_IMPROPERLY_CONFIGURED
*
******************************************************************************/
static cy_en_ble_gatt_err_code_t Cy_BLE_CPSS_WriteEventHandler(cy_stc_ble_gatts_write_cmd_req_param_t *eventParam)
{
cy_en_ble_cps_char_index_t locCharIndex;
cy_stc_ble_cps_char_value_t locCharValue = { .connHandle = eventParam->connHandle };
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
uint8_t locReqHandle = 0u;
if(Cy_BLE_CPS_ApplCallback != NULL)
{
/* Error conditions for CP Characteristic value Write Request */
if((eventParam->handleValPair.attrHandle == cy_ble_cpssConfigPtr->attrInfo->charInfo[CY_BLE_CPS_POWER_CP].charHandle) &&
(!CY_BLE_IS_INDICATION_ENABLED(eventParam->connHandle.attId,
cy_ble_cpssConfigPtr->attrInfo->charInfo[CY_BLE_CPS_POWER_CP].
descrHandle[CY_BLE_CPS_CCCD])))
{
gattErr = CY_BLE_GATT_ERR_CCCD_IMPROPERLY_CONFIGURED;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else if((eventParam->handleValPair.attrHandle ==
cy_ble_cpssConfigPtr->attrInfo->charInfo[CY_BLE_CPS_POWER_CP].charHandle) &&
((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_CP_PROCEDURE_IN_PROGRESS) != 0u))
{
gattErr = CY_BLE_GATT_ERR_PROCEDURE_ALREADY_IN_PROGRESS;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
else
{
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; (locCharIndex < CY_BLE_CPS_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if((eventParam->handleValPair.attrHandle == cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].
descrHandle[CY_BLE_CPS_CCCD]) ||
(eventParam->handleValPair.attrHandle == cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].
descrHandle[CY_BLE_CPS_SCCD]) ||
(eventParam->handleValPair.attrHandle == cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle))
{
/* Store value to database */
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;
/* Clear event handled flag to send Write Response */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
locReqHandle = 1u;
locCharValue.charIndex = locCharIndex;
locCharValue.value = &eventParam->handleValPair.value;
gattErr = Cy_BLE_GATTS_WriteAttributeValueCCCD(&dbAttrValInfo);
if(gattErr == CY_BLE_GATT_ERR_NONE)
{
/* Characteristic value Write Request */
if(eventParam->handleValPair.attrHandle ==
cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle)
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_WRITE_CHAR, &locCharValue);
/* In the context of the Cycling Power Control Point characteristic, a procedure is started
* when a write to the Cycling Power Control Point characteristic is successfully completed
*/
if(locCharIndex == CY_BLE_CPS_POWER_CP)
{
cy_ble_cpssFlag |= CY_BLE_CPSS_FLAG_CP_PROCEDURE_IN_PROGRESS;
}
}
/* Client Characteristic Configuration descriptor Write Request */
else if(eventParam->handleValPair.attrHandle ==
cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].descrHandle[CY_BLE_CPS_CCCD])
{
/* Check characteristic properties for Notification */
if(CY_BLE_IS_NOTIFICATION_SUPPORTED(cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].
charHandle))
{
if(CY_BLE_IS_NOTIFICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
uint16_t requiredConnIntv;
uint8_t prefConnParamCharValue[CY_BLE_PPCPC_LEN];
requiredConnIntv = CY_BLE_CPS_SAMLING_RATE_TO_CONN_INTV /
cy_ble_cpssAdjustment.samplingRate;
/* Cycling Power Vector characteristic has special behavior
* described in CPS specification, section 3.5.1 */
if((locCharIndex == CY_BLE_CPS_POWER_VECTOR) &&
(cy_ble_cpssConnParam.connIntv > requiredConnIntv))
{
/* Read characteristic value from database */
cy_stc_ble_gatts_db_attr_val_info_t dbAttrValInfoCCCD;
dbAttrValInfoCCCD.connHandle.bdHandle = 0u;
dbAttrValInfoCCCD.connHandle.attId = 0u;
dbAttrValInfoCCCD.handleValuePair.attrHandle = cy_ble_gapsConfigPtr->attrInfo->prefConnParamCharHandle;
dbAttrValInfoCCCD.handleValuePair.value.len = sizeof(prefConnParamCharValue);
dbAttrValInfoCCCD.handleValuePair.value.val = prefConnParamCharValue;
dbAttrValInfoCCCD.flags = CY_BLE_GATT_DB_LOCALLY_INITIATED;
if(Cy_BLE_GATTS_ReadAttributeValueCCCD(&dbAttrValInfoCCCD) ==
CY_BLE_GATT_ERR_NONE)
{
/* If the current connection parameters do not allow sending of
* notification, request new connection parameters by using the GAP
* Connection Parameter Update procedure.
*/
cy_stc_ble_gap_conn_update_param_info_t connUpdateParam;
/* Send Connection Parameter Update Request to Client */
connUpdateParam.connIntvMin = requiredConnIntv;
connUpdateParam.connIntvMax = requiredConnIntv;
connUpdateParam.connLatency = Cy_BLE_Get16ByPtr(prefConnParamCharValue +
CY_BLE_PPCPC_SLAVE_LATENCY_OFFSET);
connUpdateParam.supervisionTO = Cy_BLE_Get16ByPtr(prefConnParamCharValue +
CY_BLE_PPCPC_SUP_TIMEOUT_OFFSET);
connUpdateParam.bdHandle = eventParam->connHandle.bdHandle;
if(Cy_BLE_L2CAP_LeConnectionParamUpdateRequest(&connUpdateParam)
== CY_BLE_SUCCESS)
{
cy_ble_cpssFlag |= CY_BLE_CPSS_FLAG_PV_PROCEDURE_IN_PROGRESS;
/* Set event handled flag to not send Write Response. Response will be
* sent when Central accept the request for connection parameter update
* in Cy_BLE_CPSS_ConnParamUpdateRspEventHandler function.
*/
cy_ble_eventHandlerFlag |= CY_BLE_CALLBACK;
}
}
}
else
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_NOTIFICATION_ENABLED,
&locCharValue);
}
}
else
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_NOTIFICATION_DISABLED,
&locCharValue);
}
}
/* Check characteristic properties for Indication */
if(CY_BLE_IS_INDICATION_SUPPORTED(cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle))
{
if(CY_BLE_IS_INDICATION_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_INDICATION_ENABLED, &locCharValue);
}
else
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_INDICATION_DISABLED, &locCharValue);
}
}
}
/* Server Characteristic Configuration descriptor Write Request */
else
{
/* Check characteristic properties for Broadcast */
if(CY_BLE_IS_BROADCAST_SUPPORTED(cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].
charHandle))
{
if(CY_BLE_IS_BROADCAST_ENABLED_IN_PTR(eventParam->handleValPair.value.val))
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_BROADCAST_ENABLED, &locCharValue);
}
else
{
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_BROADCAST_DISABLED, &locCharValue);
}
}
}
}
}
}
}
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_SendNotification
***************************************************************************//**
*
* Sends notification with a characteristic value of the CPS, which is a value
* specified by 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_CPSC_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_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \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_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_NTF_DISABLED | Notification is not enabled by the client.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_SendNotification(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send Notification if it is enabled and connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(charIndex >= CY_BLE_CPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((!CY_BLE_IS_NOTIFICATION_SUPPORTED(cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle)) ||
(!CY_BLE_IS_NOTIFICATION_ENABLED(connHandle.attId, cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[CY_BLE_CPS_CCCD])))
{
apiResult = CY_BLE_ERROR_NTF_DISABLED;
}
else
{
cy_stc_ble_gatts_handle_value_ntf_t ntfReqParam;
/* Fill all fields of Write Request structure ... */
ntfReqParam.handleValPair.attrHandle = cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
ntfReqParam.handleValPair.value.val = attrValue;
ntfReqParam.handleValPair.value.len = attrSize;
ntfReqParam.connHandle = connHandle;
/* Send notification to the client using previously filled structure */
apiResult = Cy_BLE_GATTS_Notification(&ntfReqParam);
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_SendIndication
***************************************************************************//**
*
* Sends indication with a characteristic value of the CPS, which is a value
* specified by charIndex, to the client device.
*
* On enabling indication successfully it sends out a 'Handle Value Indication' which
* results in \ref CY_BLE_EVT_CPSC_INDICATION or \ref CY_BLE_EVT_GATTC_HANDLE_VALUE_IND (if
* service-specific callback function is not registered) event at the GATT Client's end.
*
* \param connHandle: The connection handle
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \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_GATT_DB_INVALID_ATTR_HANDLE | An optional characteristic is absent.
* CY_BLE_ERROR_INVALID_STATE | Connection with the client is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_NTF_DISABLED | Notification is not enabled by the client.
*
* \events
* In case of successful execution (return value = \ref CY_BLE_SUCCESS)
* the following events can appear: \n
* If the CPS service-specific callback is registered
* with \ref Cy_BLE_CPS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_CPSS_INDICATION_CONFIRMED - In case if the indication is
* successfully delivered to the peer device.
* .
* Otherwise, if the CPS service-specific callback is not registered:
* * \ref CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF - In case if the indication is
* successfully delivered to the peer device.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_SendIndication(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
/* Send Notification if it is enabled and connected */
if(Cy_BLE_GetConnectionState(connHandle) < CY_BLE_CONN_STATE_CONNECTED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if(charIndex >= CY_BLE_CPS_CHAR_COUNT)
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle == CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
else if((!CY_BLE_IS_INDICATION_SUPPORTED(cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle)) ||
(!CY_BLE_IS_INDICATION_ENABLED(connHandle.attId, cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].
descrHandle[CY_BLE_CPS_CCCD])))
{
apiResult = CY_BLE_ERROR_IND_DISABLED;
}
else
{
cy_stc_ble_gatts_handle_value_ind_t indReqParam;
/* Fill all fields of Write Request structure ... */
indReqParam.handleValPair.attrHandle = cy_ble_cpssConfigPtr->attrInfo->charInfo[charIndex].charHandle;
indReqParam.handleValPair.value.val = attrValue;
indReqParam.handleValPair.value.len = attrSize;
indReqParam.connHandle = connHandle;
/* Send indication to client using previously filled structure */
apiResult = Cy_BLE_GATTS_Indication(&indReqParam);
/* Save handle to support service-specific value confirmation response from Client */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpssReqHandle = indReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_ConfirmationEventHandler
***************************************************************************//**
*
* Handles a Value Confirmation request event from the BLE Stack.
*
* *eventParam - Pointer to a structure of type 'cy_stc_ble_conn_handle_t'.
*
******************************************************************************/
static void Cy_BLE_CPSS_ConfirmationEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
cy_en_ble_cps_char_index_t locCharIndex;
cy_stc_ble_cps_char_value_t locCharValue = { .connHandle = *eventParam };
uint8_t locReqHandle = 0u;
if((Cy_BLE_CPS_ApplCallback != NULL) && (CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_cpssReqHandle))
{
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; (locCharIndex < CY_BLE_CPS_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if(cy_ble_cpssReqHandle == cy_ble_cpssConfigPtr->attrInfo->charInfo[locCharIndex].charHandle)
{
locCharValue.charIndex = locCharIndex;
locCharValue.value = NULL;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
cy_ble_cpssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
/* The Cycling Power Control Point procedure is complete when the server indicated with the Op Code
* set to Response Code.
*/
if(locCharIndex == CY_BLE_CPS_POWER_CP)
{
cy_ble_cpssFlag &= (uint8_t) ~CY_BLE_CPSS_FLAG_CP_PROCEDURE_IN_PROGRESS;
}
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_INDICATION_CONFIRMED, &locCharValue);
locReqHandle = 1u;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_ConnParamUpdateRspEventHandler
***************************************************************************//**
*
* Handles the L2CAP connection parameter response event from
* the BLE Stack.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_CPSS_ConnParamUpdateRspEventHandler(const cy_stc_ble_l2cap_conn_update_rsp_param_t *eventParam)
{
if((Cy_BLE_CPS_ApplCallback != NULL) && ((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_PV_PROCEDURE_IN_PROGRESS) != 0u))
{
cy_stc_ble_conn_handle_t locConnHandle =
{
.bdHandle = eventParam->bdHandle
};
cy_ble_cpssFlag &= (uint8_t) ~CY_BLE_CPSS_FLAG_PV_PROCEDURE_IN_PROGRESS;
if(eventParam->result != 0u)
{
/* If the client does not change the connection parameters Server shall return an ATT Error Response
* to the Write Request with an Error Code set to the application Error Code 0x80
* (Inappropriate Connection Parameters). */
cy_stc_ble_gatt_err_param_t err_param;
err_param.errInfo.opCode = (cy_en_ble_gatt_pdu_t)CY_BLE_GATT_WRITE_REQ;
err_param.errInfo.attrHandle = cy_ble_cpssConfigPtr->attrInfo->charInfo[CY_BLE_CPS_POWER_VECTOR].
descrHandle[CY_BLE_CPS_CCCD];
err_param.errInfo.errorCode = CY_BLE_GATT_ERR_CPS_INAPPROPRIATE_CONNECTION_PARAMETERS;
/* get connHandle form cy_ble_connHandle, to have actual value of connHandle.attId */
err_param.connHandle = cy_ble_connHandle[Cy_BLE_GetConnHandleIdx(locConnHandle)];
/* Send Error Response */
(void)Cy_BLE_GATTS_ErrorRsp(&err_param);
}
else
{
cy_stc_ble_cps_char_value_t locCharValue;
locCharValue.connHandle = cy_ble_connHandle[Cy_BLE_GetConnHandleIdx(locConnHandle)];
locCharValue.charIndex = CY_BLE_CPS_POWER_VECTOR;
cy_stc_ble_gatt_value_t locValue;
uint8_t cccdVal[2u];
Cy_BLE_Set16ByPtr(cccdVal, CY_BLE_CCCD_NOTIFICATION);
/* Otherwise, the server shall respond with a Write Response and start sending notifications
* of the Cycling Power Vector characteristic. */
(void)Cy_BLE_GATTS_WriteRsp(locConnHandle);
/* get connHandle form cy_ble_connHandle, to have actual value of connHandle.attId */
locValue.len = CY_BLE_CCCD_LEN;
locValue.val = cccdVal;
locCharValue.value = &locValue;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSS_NOTIFICATION_ENABLED, &locCharValue);
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_ConnUpdateCompleteEventHandler
***************************************************************************//**
*
* Handles the #CY_BLE_EVT_GAP_CONNECTION_UPDATE_COMPLETE event from
* the BLE Stack.
*
* \param eventParam: The pointer to the data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_CPSS_ConnUpdateCompleteEventHandler(const cy_stc_ble_gap_conn_param_updated_in_controller_t *eventParam)
{
/* Store connection parameters */
cy_ble_cpssConnParam = *eventParam;
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_StartBroadcast
***************************************************************************//**
*
* This function is used to start broadcasting of the Cycling Power
* Measurement characteristic or update broadcasting data when it was started
* before.
*
* It is available only in Broadcaster role.
*
* \param advInterval: Advertising interval in 625 us units. The valid range is
* from \ref CY_BLE_GAP_ADV_ADVERT_INTERVAL_NONCON_MIN
* to \ref CY_BLE_GAP_ADV_ADVERT_INTERVAL_MAX. This parameter
* is ignored when when broadcasting is already started.
* \param attrSize: The size of the characteristic value attribute.
* This size is limited by maximum advertising packet length
* and advertising header size.
* \param attrValue: The pointer to the Cycling Power Measurement characteristic
* that include the mandatory fields (e.g. the Flags field and
* the Instantaneous Power field and depending on the Flags
* field, some optional fields in a non connectable undirected
* advertising event.
*
* \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 | On successful operation.
* CY_BLE_ERROR_INVALID_PARAMETER | On passing an invalid parameter.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is not permitted.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_StartBroadcast(uint16_t advInterval,
uint8_t attrSize,
const uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult = CY_BLE_SUCCESS;
if((advInterval < CY_BLE_GAP_ADV_ADVERT_INTERVAL_NONCON_MIN) || (advInterval > CY_BLE_GAP_ADV_ADVERT_INTERVAL_MAX) ||
(attrSize > (CY_BLE_GAP_MAX_ADV_DATA_LEN - CY_BLE_CPSS_BROADCAST_HEADER_LEN)))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
/* Copy Cycling Power Measurement characteristic value to advertising data packet */
(void)memcpy(&cy_ble_cpssBroadcastData.advData[CY_BLE_CPSS_BROADCAST_DATA_OFFSET], attrValue, (uint32_t)attrSize);
cy_ble_cpssBroadcastData.advData[CY_BLE_CPSS_BROADCAST_DATA_LEN_OFFSET] = attrSize;
cy_ble_cpssBroadcastData.advDataLen = attrSize + CY_BLE_CPSS_BROADCAST_HEADER_LEN;
if((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_BROADCAST_IN_PROGRESS) == 0u)
{
/* Put advertising interval to advertising data packet */
cy_ble_cpssBroadcastData.advData[CY_BLE_CPSS_BROADCAST_ADVERT_INTERVAL_OFFSET] = CY_LO8(advInterval);
cy_ble_cpssBroadcastData.advData[CY_BLE_CPSS_BROADCAST_ADVERT_INTERVAL_OFFSET + 1u] = CY_HI8(advInterval);
/* Configure advertising timeout, interval and type */
cy_ble_cpssBroadcastParam.advIntvMin = advInterval;
cy_ble_cpssBroadcastParam.advIntvMax = advInterval;
cy_ble_cpssBroadcastModeInfo.advTo = 0u;
cy_ble_cpssBroadcastParam.advType = CY_BLE_GAPP_NON_CONNECTABLE_UNDIRECTED_ADV;
cy_ble_cpssBroadcastParam.advChannelMap = cy_ble_configPtr->discoveryModeInfo[cy_ble_advIndex].advParam->advChannelMap;
/* Start broadcasting */
apiResult = Cy_BLE_GAPP_EnterDiscoveryMode(&cy_ble_cpssBroadcastModeInfo);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpssFlag |= CY_BLE_CPSS_FLAG_START_BROADCAST;
}
}
else
{
/* Update the advertisement packet if the device is in the advertising mode. */
apiResult = Cy_BLE_GAPP_UpdateAdvScanData(&cy_ble_cpssBroadcastModeInfo);
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_StopBroadcast
***************************************************************************//**
*
* This function is used to stop broadcasting of the Cycling Power
* Measurement characteristic.
*
* \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 | On successful operation.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_INVALID_STATE | On calling this function not in CPS broadcasting mode.
* CY_BLE_ERROR_INSUFFICIENT_RESOURCES | Stack resources are unavailable.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSS_StopBroadcast(void)
{
cy_en_ble_api_result_t apiResult;
if((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_BROADCAST_IN_PROGRESS) != 0u)
{
apiResult = Cy_BLE_GAPP_ExitDiscoveryMode();
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpssFlag |= CY_BLE_CPSS_FLAG_STOP_BROADCAST;
}
}
else
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_AdvertisementStartStopEventHandler
***************************************************************************//**
*
* This function handles #CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP event for CPS.
*
******************************************************************************/
static void Cy_BLE_CPSS_AdvertisementStartStopEventHandler(void)
{
if((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_START_BROADCAST) != 0u)
{
cy_ble_cpssFlag |= CY_BLE_CPSS_FLAG_BROADCAST_IN_PROGRESS;
cy_ble_cpssFlag &= (uint8_t) ~CY_BLE_CPSS_FLAG_START_BROADCAST;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
if((cy_ble_cpssFlag & CY_BLE_CPSS_FLAG_STOP_BROADCAST) != 0u)
{
cy_ble_cpssFlag &= (uint8_t) ~(CY_BLE_CPSS_FLAG_BROADCAST_IN_PROGRESS | CY_BLE_CPSS_FLAG_STOP_BROADCAST);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_DiscoverCharacteristicsEventHandler
***************************************************************************//**
*
* This function is called on receiving #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_CPSC_DiscoverCharacteristicsEventHandler(cy_stc_ble_disc_char_info_t *discCharInfo)
{
/* CPS characteristics UUIDs */
static const cy_ble_uuid16_t cy_ble_cpscCharUuid[CY_BLE_CPS_CHAR_COUNT] =
{
CY_BLE_UUID_CHAR_CPS_MSRMT, /* Cycling Power Measurement characteristic UUID */
CY_BLE_UUID_CHAR_CPS_FEATURE, /* Cycling Power Feature characteristic UUID */
CY_BLE_UUID_CHAR_SENSOR_LOCATION, /* Cycling Power Sensor Location characteristic UUID */
CY_BLE_UUID_CHAR_CPS_VECTOR, /* Cycling Power Vector characteristic UUID */
CY_BLE_UUID_CHAR_CPS_CP /* Cycling Power Control Point characteristic UUID */
};
static cy_ble_gatt_db_attr_handle_t *lastEndHandle[CY_BLE_MAX_CONNECTION_INSTANCES] = { 0u };
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discCharInfo->connHandle);
uint32_t cpsDiscIdx = cy_ble_cpscConfigPtr->serviceDiscIdx;
uint32_t i;
if((discCharInfo->uuidFormat == CY_BLE_GATT_16_BIT_UUID_FORMAT) &&
(cy_ble_configPtr->context->discovery[discIdx].servCount == cpsDiscIdx))
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
/* Update last characteristic endHandle to declaration handle of this characteristic */
if(lastEndHandle[discIdx] != NULL)
{
*lastEndHandle[discIdx] = discCharInfo->charDeclHandle - 1u;
lastEndHandle[discIdx] = NULL;
}
for(i = (uint32_t)CY_BLE_CPS_POWER_MEASURE; i < (uint32_t)CY_BLE_CPS_CHAR_COUNT; i++)
{
if(cy_ble_cpscCharUuid[i] == discCharInfo->uuid.uuid16)
{
Cy_BLE_CheckStoreCharHandle(cpscPtr->charInfo[i]);
lastEndHandle[discIdx] = &cpscPtr->charInfo[i].endHandle;
break;
}
}
/* Init characteristic endHandle to the service endHandle.
* Characteristic endHandle will be updated to declaration
* handler of the following characteristic,
* in the following characteristic discovery procedure. */
if(lastEndHandle[discIdx] != NULL)
{
uint32_t locServCount = cy_ble_configPtr->context->discovery[discIdx].servCount;
uint32_t discServiNum = cy_ble_configPtr->context->discServiCount;
*lastEndHandle[discIdx] =
cy_ble_configPtr->context->serverInfo[(discIdx * discServiNum) + locServCount].range.endHandle; }
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_DiscoverCharDescriptorsEventHandler
***************************************************************************//**
*
* This function is called on receiving a #CY_BLE_EVT_GATTC_FIND_INFO_RSP event.
* Based on the descriptor UUID, an appropriate data structure is populated using
* the data received as part of the callback.
*
* \param discDescrInfo: The pointer to a descriptor information structure.
*
******************************************************************************/
static void Cy_BLE_CPSC_DiscoverCharDescriptorsEventHandler(cy_stc_ble_disc_descr_info_t *discDescrInfo)
{
uint32_t notSupportedDescr = 0u;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(discDescrInfo->connHandle);
uint32_t cpsDiscIdx = cy_ble_cpscConfigPtr->serviceDiscIdx;
uint32_t descIdx;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == cpsDiscIdx)
{
switch(discDescrInfo->uuid.uuid16)
{
case CY_BLE_UUID_CHAR_CLIENT_CONFIG:
descIdx = (uint32_t)CY_BLE_CPS_CCCD;
break;
case CY_BLE_UUID_CHAR_SERVER_CONFIG:
descIdx = (uint32_t)CY_BLE_CPS_SCCD;
break;
default:
/* Not supported descriptor */
notSupportedDescr = 1u;
break;
}
if(notSupportedDescr == 0u)
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(cpscPtr->charInfo[cy_ble_configPtr->context->discovery[discIdx].charCount].descrHandle[descIdx] ==
CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cpscPtr->charInfo[cy_ble_configPtr->context->discovery[discIdx].charCount].descrHandle[descIdx] =
discDescrInfo->descrHandle;
}
else
{
/* Duplication of the descriptor */
Cy_BLE_ApplCallback((uint32_t)CY_BLE_EVT_GATTC_DESCR_DUPLICATION, &discDescrInfo);
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_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_CPSC_GetCharRange(cy_stc_ble_disc_range_info_t *charRangeInfo)
{
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(charRangeInfo->connHandle);
uint32_t cpsDiscIdx = cy_ble_cpscConfigPtr->serviceDiscIdx;
uint32_t exitFlag = 0u;
if(cy_ble_configPtr->context->discovery[discIdx].servCount == cpsDiscIdx)
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(charRangeInfo->srviIncIdx != CY_BLE_DISCOVERY_INIT)
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
while((cy_ble_configPtr->context->discovery[discIdx].charCount < (uint32_t)CY_BLE_CPS_CHAR_COUNT) && (exitFlag == 0u))
{
uint32_t charIdx = cy_ble_configPtr->context->discovery[discIdx].charCount;
if((cpscPtr->charInfo[charIdx].endHandle -
cpscPtr->charInfo[charIdx].valueHandle) != 0u)
{
/* Read characteristic range */
charRangeInfo->range.startHandle = cpscPtr->charInfo[charIdx].valueHandle + 1u;
charRangeInfo->range.endHandle = cpscPtr->charInfo[charIdx].endHandle;
exitFlag = 1u;
}
else
{
cy_ble_configPtr->context->discovery[discIdx].charCount++;
}
}
/* Indicate that request was handled */
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_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_CPSS_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_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: Pointer to the characteristic value data that
* should be send 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 CPS service-specific callback is registered
* with \ref Cy_BLE_CPS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_CPSC_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_cps_char_value_t.
* .
* Otherwise (if the CPS service-specific callback is not registered):
* * \ref CY_BLE_EVT_GATTC_WRITE_RSP - In case if the requested attribute is
* successfully written on the peer device.
*
* * \ref CY_BLE_EVT_GATTC_ERROR_RSP - In case if an error occurred with the
* requested attribute on the peer device, the details are provided with event
* parameters structure \ref cy_stc_ble_gatt_err_param_t.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSC_SetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
uint8_t attrSize,
uint8_t * attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cpscPtr->charInfo[charIndex].valueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gattc_write_req_t writeReqParam;
writeReqParam.handleValPair.attrHandle = cpscPtr->charInfo[charIndex].valueHandle;
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_WriteCharacteristicValue(&writeReqParam);
/* Save handle to support service-specific Write Response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
/* Start CP procedure. It will ends when the Collector sends a confirmation to acknowledge the CP
* indication sent by the CP Sensor. A procedure is considered to have timed out if a CP indication
* is not received within the ATT transaction timeout, defined as 30 seconds.
* #CY_BLE_EVT_CPSC_TIMEOUT event with cy_stc_ble_cps_char_value_t parameter will indicate about CP
* procedure timeout.
*/
if(charIndex == CY_BLE_CPS_POWER_CP)
{
apiResult = Cy_BLE_StartTimer(&cy_ble_cpscCpTimeout[discIdx]);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscFlag[discIdx] |= CY_BLE_CPSC_FLAG_CP_PROCEDURE_IN_PROGRESS;
}
}
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_GetCharacteristicValue
***************************************************************************//**
*
* Sends a request to the peer device to get a characteristic value, as
* identified by its charIndex.
* The Read Response returns the characteristic Value in the Attribute Value
* parameter.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_INVALID_STATE | Connection with the server is not established.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE | The peer device doesn't have the particular characteristic
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the CPS service-specific callback is registered
* with \ref Cy_BLE_CPS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_CPSC_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_gatt_err_param_t.
* .
* Otherwise (if an CPS 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_CPSC_GetCharacteristicValue(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else if(cpscPtr->charInfo[charIndex].valueHandle != CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE)
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = cpscPtr->charInfo[charIndex].valueHandle;
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicValue(&readReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscReqHandle[discIdx] = cpscPtr->charInfo[charIndex].valueHandle;
}
}
else
{
apiResult = CY_BLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_SetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to the peer device to set the characteristic descriptor of the
* specified characteristic of Cycling Power 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:
* * #CY_BLE_EVT_CPSS_NOTIFICATION_ENABLED
* * #CY_BLE_EVT_CPSS_NOTIFICATION_DISABLED
* * #CY_BLE_EVT_CPSS_INDICATION_ENABLED
* * #CY_BLE_EVT_CPSS_INDICATION_DISABLED
* * #CY_BLE_EVT_CPSS_BROADCAST_ENABLED
* * #CY_BLE_EVT_CPSS_BROADCAST_DISABLED
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cps_descr_index_t. The valid values are,
* * \ref CY_BLE_CPS_CCCD
* * \ref CY_BLE_CPS_SCCD
* \param attrSize: The size of the characteristic value attribute.
* \param attrValue: The pointer to the characteristic descriptor value data that
* should be sent to the server device.
*
* \return
* A return value of type \ref cy_en_ble_api_result_t.
*
* Error Codes | Description
* ------------ | -----------
* CY_BLE_SUCCESS | The request was sent successfully.
* CY_BLE_ERROR_INVALID_PARAMETER | Validation of the input parameter failed.
* CY_BLE_ERROR_INVALID_OPERATION | Operation is invalid for this characteristic.
* CY_BLE_ERROR_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 CPS service-specific callback is registered
* with \ref Cy_BLE_CPS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_CPSC_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_cps_descr_value_t.
* .
* Otherwise (if an ANC service-specific callback is not registered):
* * \ref CY_BLE_EVT_GATTC_WRITE_RSP - If the requested attribute is
* successfully written on the peer device.
*
* * \ref 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_CPSC_SetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
cy_en_ble_cps_descr_index_t descrIndex,
uint8_t attrSize,
uint8_t *attrValue)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (descrIndex >= CY_BLE_CPS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gattc_write_req_t writeReqParam;
/* Fill all fields of Write Request structure ... */
writeReqParam.handleValPair.attrHandle = cpscPtr->charInfo[charIndex].descrHandle[descrIndex];
writeReqParam.handleValPair.value.val = attrValue;
writeReqParam.handleValPair.value.len = attrSize;
writeReqParam.connHandle = connHandle;
/* ... and send request to server device. */
apiResult = Cy_BLE_GATTC_WriteCharacteristicDescriptors(&writeReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscReqHandle[discIdx] = writeReqParam.handleValPair.attrHandle;
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_GetCharacteristicDescriptor
***************************************************************************//**
*
* Sends a request to the peer device to get the characteristic descriptor of the
* specified characteristic of Cycling Power service.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of the service characteristic of type
* \ref cy_en_ble_cps_char_index_t. The valid values are,
* * \ref CY_BLE_CPS_POWER_MEASURE
* * \ref CY_BLE_CPS_POWER_FEATURE
* * \ref CY_BLE_CPS_SENSOR_LOCATION
* * \ref CY_BLE_CPS_POWER_VECTOR
* * \ref CY_BLE_CPS_POWER_CP
* \param descrIndex: The index of the service characteristic descriptor of type
* \ref cy_en_ble_cps_descr_index_t. The valid values are,
* * \ref CY_BLE_CPS_CCCD
* * \ref CY_BLE_CPS_SCCD *
*
* \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.
*
* \events
* In case of successful execution (return value = #CY_BLE_SUCCESS)
* the following events can appear: \n
* If the CPS service-specific callback is registered
* with \ref Cy_BLE_CPS_RegisterAttrCallback():
* * \ref CY_BLE_EVT_CPSC_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_cps_descr_value_t.
* .
* Otherwise (if an CPS service-specific callback is not registered):
* * \ref 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.
*
* * \ref 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_CPSC_GetCharacteristicDescriptor(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
cy_en_ble_cps_descr_index_t descrIndex)
{
cy_en_ble_api_result_t apiResult;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(connHandle);
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if(Cy_BLE_GetConnectionState(connHandle) != CY_BLE_CONN_STATE_CLIENT_DISCOVERED)
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
else if((charIndex >= CY_BLE_CPS_CHAR_COUNT) || (descrIndex >= CY_BLE_CPS_DESCR_COUNT) ||
(discIdx >= cy_ble_configPtr->params->maxClientCount))
{
apiResult = CY_BLE_ERROR_INVALID_PARAMETER;
}
else
{
cy_stc_ble_gattc_read_req_t readReqParam;
readReqParam.attrHandle = cpscPtr->charInfo[charIndex].descrHandle[descrIndex];
readReqParam.connHandle = connHandle;
apiResult = Cy_BLE_GATTC_ReadCharacteristicDescriptors(&readReqParam);
/* Save handle to support service-specific read response from device */
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscReqHandle[discIdx] = cpscPtr->charInfo[charIndex].descrHandle[descrIndex];
}
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_TimeOutEventHandler
***************************************************************************//**
*
* Handles Timer event.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_TimeOutEventHandler(const cy_stc_ble_timeout_param_t *eventParam)
{
if(((eventParam)->reasonCode == CY_BLE_GENERIC_APP_TO) && (Cy_BLE_CPS_ApplCallback != NULL))
{
uint32_t idx;
for(idx = 0u; idx < cy_ble_configPtr->params->maxClientCount; idx++)
{
if(((cy_ble_cpscFlag[idx] & CY_BLE_CPSC_FLAG_CP_PROCEDURE_IN_PROGRESS) != 0u) &&
(eventParam->timerHandle == cy_ble_cpscCpTimeout[idx].timerHandle))
{
cy_stc_ble_cps_char_value_t timeoutValue =
{
.connHandle = cy_ble_connHandle[cy_ble_configPtr->context->discovery[idx].connIndex],
.charIndex = CY_BLE_CPS_POWER_CP
};
cy_ble_cpscFlag[idx] &= (uint8_t) ~CY_BLE_CPSC_FLAG_CP_PROCEDURE_IN_PROGRESS;
cy_ble_cpscReqHandle[idx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_TIMEOUT, &timeoutValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_NotificationEventHandler
***************************************************************************//**
*
* Handles Notification event.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_NotificationEventHandler(cy_stc_ble_gattc_handle_value_ntf_param_t *eventParam)
{
cy_en_ble_cps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_CPS_ApplCallback != NULL))
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; locCharIndex < CY_BLE_CPS_CHAR_COUNT; locCharIndex++)
{
if(cpscPtr->charInfo[locCharIndex].valueHandle == eventParam->handleValPair.attrHandle)
{
cy_stc_ble_cps_char_value_t notifValue;
notifValue.connHandle = eventParam->connHandle;
notifValue.charIndex = locCharIndex;
notifValue.value = &eventParam->handleValPair.value;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_NOTIFICATION, &notifValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_IndicationEventHandler
***************************************************************************//**
*
* Handles Indication event.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_IndicationEventHandler(cy_stc_ble_gattc_handle_value_ind_param_t *eventParam)
{
cy_en_ble_cps_char_index_t locCharIndex;
cy_stc_ble_cps_char_value_t indicationValue = { .connHandle = eventParam->connHandle };
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_CPS_ApplCallback != NULL))
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; locCharIndex < CY_BLE_CPS_CHAR_COUNT; locCharIndex++)
{
if(cpscPtr->charInfo[locCharIndex].valueHandle == eventParam->handleValPair.attrHandle)
{
/* Stop the timer. CP procedure is finished when received indication sent by the CP Sensor. */
if((cy_ble_cpscReqHandle[discIdx] == cpscPtr->charInfo[CY_BLE_CPS_POWER_CP].valueHandle) &&
((cy_ble_cpscFlag[discIdx] & CY_BLE_CPSC_FLAG_CP_PROCEDURE_IN_PROGRESS) != 0u))
{
(void)Cy_BLE_StopTimer(&cy_ble_cpscCpTimeout[discIdx]);
cy_ble_cpscFlag[discIdx] &= (uint8_t) ~CY_BLE_CPSC_FLAG_CP_PROCEDURE_IN_PROGRESS;
}
indicationValue.charIndex = locCharIndex;
indicationValue.value = &eventParam->handleValPair.value;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_INDICATION, &indicationValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
break;
}
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_ReadResponseEventHandler
***************************************************************************//**
*
* Handles Read Response event.
*
* \param eventParam: The pointer to the data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_ReadResponseEventHandler(cy_stc_ble_gattc_read_rsp_param_t *eventParam)
{
uint32_t locReqHandle = 0u;
cy_en_ble_cps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(eventParam->connHandle);
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_CPS_ApplCallback != NULL) &&
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_cpscReqHandle[discIdx]))
{
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; (locCharIndex < CY_BLE_CPS_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if(cy_ble_cpscReqHandle[discIdx] == cpscPtr->charInfo[locCharIndex].valueHandle)
{
cy_stc_ble_cps_char_value_t locCharValue;
locCharValue.connHandle = eventParam->connHandle;
locCharValue.charIndex = locCharIndex;
locCharValue.value = &eventParam->value;
cy_ble_cpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_READ_CHAR_RESPONSE, &locCharValue);
locReqHandle = 1u;
}
else
{
cy_en_ble_cps_descr_index_t locDescIndex;
for(locDescIndex = CY_BLE_CPS_CCCD; (locDescIndex < CY_BLE_CPS_DESCR_COUNT) &&
(locReqHandle == 0u); locDescIndex++)
{
if(cy_ble_cpscReqHandle[discIdx] == cpscPtr->charInfo[locCharIndex].
descrHandle[locDescIndex])
{
cy_stc_ble_cps_descr_value_t locDescrValue;
locDescrValue.connHandle = eventParam->connHandle;
locDescrValue.charIndex = locCharIndex;
locDescrValue.descrIndex = locDescIndex;
locDescrValue.value = &eventParam->value;
cy_ble_cpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_READ_DESCR_RESPONSE, &locDescrValue);
locReqHandle = 1u;
}
}
}
}
if(locReqHandle != 0u)
{
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_WriteResponseEventHandler
***************************************************************************//**
*
* Handles Write Response event.
*
* \param eventParam: The pointer to a data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_WriteResponseEventHandler(const cy_stc_ble_conn_handle_t *eventParam)
{
uint8_t locReqHandle = 0u;
cy_en_ble_cps_char_index_t locCharIndex;
uint32_t discIdx = Cy_BLE_GetDiscoveryIdx(*eventParam);
if((discIdx < cy_ble_configPtr->params->maxClientCount) && (Cy_BLE_CPS_ApplCallback != NULL) &&
(CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE != cy_ble_cpscReqHandle[discIdx]))
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr = (cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[discIdx];
for(locCharIndex = CY_BLE_CPS_POWER_MEASURE; (locCharIndex < CY_BLE_CPS_CHAR_COUNT) && (locReqHandle == 0u);
locCharIndex++)
{
if(cy_ble_cpscReqHandle[discIdx] == cpscPtr->charInfo[locCharIndex].valueHandle)
{
cy_stc_ble_cps_char_value_t locCharValue;
locCharValue.connHandle = *eventParam;
locCharValue.charIndex = locCharIndex;
locCharValue.value = NULL;
cy_ble_cpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_WRITE_CHAR_RESPONSE, &locCharValue);
locReqHandle = 1u;
}
else
{
cy_en_ble_cps_descr_index_t locDescIndex;
for(locDescIndex = CY_BLE_CPS_CCCD; (locDescIndex < CY_BLE_CPS_DESCR_COUNT) &&
(locReqHandle == 0u); locDescIndex++)
{
if(cy_ble_cpscReqHandle[discIdx] == cpscPtr->charInfo[locCharIndex].
descrHandle[locDescIndex])
{
cy_stc_ble_cps_descr_value_t locDescrValue;
locDescrValue.connHandle = *eventParam;
locDescrValue.charIndex = locCharIndex;
locDescrValue.descrIndex = locDescIndex;
locDescrValue.value = NULL;
cy_ble_cpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_WRITE_DESCR_RESPONSE, &locDescrValue);
locReqHandle = 1u;
}
}
}
}
if(locReqHandle != 0u)
{
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_GetCharacteristicValueHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic value handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't have an
* optional characteristic
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_CPSC_GetCharacteristicValueHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if( (Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_CPS_CHAR_COUNT) )
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr =
(cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = cpscPtr->charInfo[charIndex].valueHandle;
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_AIOSC_GetCharacteristicDescriptorHandle
***************************************************************************//**
*
* Returns the discovered peer device characteristic descriptor handle.
*
* \param connHandle: The connection handle.
* \param charIndex: The index of a service characteristic.
* \param descrIndex: The index of the descriptor.
*
* \return
* Returns characteristic value handle of type cy_ble_gatt_db_attr_handle_t.
* * CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE: when a peer device doesn't
* have an optional descriptor
*
******************************************************************************/
cy_ble_gatt_db_attr_handle_t Cy_BLE_CPSC_GetCharacteristicDescriptorHandle(cy_stc_ble_conn_handle_t connHandle,
cy_en_ble_cps_char_index_t charIndex,
cy_en_ble_cps_descr_index_t descrIndex)
{
cy_ble_gatt_db_attr_handle_t returnHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
if((Cy_BLE_GetDiscoveryIdx(connHandle) < cy_ble_configPtr->params->maxClientCount) &&
(charIndex < CY_BLE_CPS_CHAR_COUNT) && (descrIndex < CY_BLE_CPS_DESCR_COUNT))
{
/* Get pointer (with offset) to CPS client structure with attribute handles */
cy_stc_ble_cpsc_t *cpscPtr =
(cy_stc_ble_cpsc_t *)&cy_ble_cpscConfigPtr->attrInfo[Cy_BLE_GetDiscoveryIdx(connHandle)];
returnHandle = cpscPtr->charInfo[charIndex].descrHandle[descrIndex];
}
return(returnHandle);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_ErrorResponseEventHandler
***************************************************************************//**
*
* Handles Error Response event.
*
* \param eventParam: The pointer to a data structure specified by an event.
*
******************************************************************************/
static void Cy_BLE_CPSC_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_cpscReqHandle[discIdx])
{
cy_ble_cpscReqHandle[discIdx] = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_StartObserve
***************************************************************************//**
*
* This function is used for observing GAP peripheral devices.
* A device performing the observer role receives only advertisement data from
* devices irrespective of their discoverable mode settings. Advertisement
* data received is provided by the event, \ref CY_BLE_EVT_CPSC_SCAN_PROGRESS_RESULT.
* This procedure sets the scanType sub parameter to passive scanning.
*
* If 'scanTo' sub-parameter is set to zero value, then passive scanning
* procedure will continue until you call Cy_BLE_CPSC_StopObserve().
* Possible generated events are:
* * #CY_BLE_EVT_CPSC_SCAN_PROGRESS_RESULT
*
* \param scanParamIndex: The index of the scan configuration.
*
* \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 | On successful operation.
* CY_BLE_ERROR_INVALID_PARAMETER | On specifying NULL as input parameter. for 'scanInfo' or if any element within 'scanInfo' has an invalid value.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSC_StartObserve(uint8_t scanParamIndex)
{
cy_en_ble_api_result_t apiResult;
cy_stc_ble_gapc_disc_info_t locDiscoveryInfo;
locDiscoveryInfo.discProcedure = CY_BLE_GAPC_OBSER_PROCEDURE;
locDiscoveryInfo.scanType = CY_BLE_GAPC_PASSIVE_SCANNING;
locDiscoveryInfo.scanIntv = cy_ble_configPtr->gapcScanParams[scanParamIndex].fastScanInterval;
locDiscoveryInfo.scanWindow = cy_ble_configPtr->gapcScanParams[scanParamIndex].fastScanWindow;
locDiscoveryInfo.ownAddrType = CY_BLE_GAP_ADDR_TYPE_PUBLIC;
locDiscoveryInfo.scanFilterPolicy = CY_BLE_GAPC_ADV_ACCEPT_ALL_PKT;
locDiscoveryInfo.scanTo = 0u; /* Disable Timeout */
locDiscoveryInfo.filterDuplicates = CY_BLE_GAPC_FILTER_DUP_DISABLE;
apiResult = Cy_BLE_GAPC_StartDiscovery(&locDiscoveryInfo);
if(apiResult == CY_BLE_SUCCESS)
{
cy_ble_cpscObserverFlag |= CY_BLE_CPSC_FLAG_START_OBSERVE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_StopObserve
***************************************************************************//**
*
* This function used to stop the discovery of devices.
*
* \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 | On successful operation.
* CY_BLE_ERROR_MEMORY_ALLOCATION_FAILED | Memory allocation failed.
* CY_BLE_ERROR_INVALID_STATE | On calling this function not in CPS observing state.
*
******************************************************************************/
cy_en_ble_api_result_t Cy_BLE_CPSC_StopObserve(void)
{
cy_en_ble_api_result_t apiResult;
if((cy_ble_cpscObserverFlag & CY_BLE_CPSC_FLAG_OBSERVE_IN_PROGRESS) != 0u)
{
apiResult = Cy_BLE_GAPC_StopDiscovery();
cy_ble_cpscObserverFlag |= CY_BLE_CPSC_FLAG_STOP_OBSERVE;
}
else
{
apiResult = CY_BLE_ERROR_INVALID_STATE;
}
return(apiResult);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_ScanStartStopEventHandler
***************************************************************************//**
*
* This function handles #CY_BLE_EVT_GAPC_SCAN_START_STOP event for CPS.
*
******************************************************************************/
static void Cy_BLE_CPSC_ScanStartStopEventHandler(void)
{
if((cy_ble_cpscObserverFlag & CY_BLE_CPSC_FLAG_START_OBSERVE) != 0u)
{
cy_ble_cpscObserverFlag |= CY_BLE_CPSC_FLAG_OBSERVE_IN_PROGRESS;
cy_ble_cpscObserverFlag &= (uint8_t) ~CY_BLE_CPSC_FLAG_START_OBSERVE;
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
if((cy_ble_cpscObserverFlag & CY_BLE_CPSC_FLAG_STOP_OBSERVE) != 0u)
{
cy_ble_cpscObserverFlag &= (uint8_t) ~(CY_BLE_CPSC_FLAG_OBSERVE_IN_PROGRESS | CY_BLE_CPSC_FLAG_STOP_OBSERVE);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_ScanProcessEventHandler
***************************************************************************//**
*
* This function handles #CY_BLE_EVT_GAPC_SCAN_PROGRESS_RESULT event for CPS.
*
* \param eventParam: the pointer to a data structure specified by the event.
*
******************************************************************************/
static void Cy_BLE_CPSC_ScanProcessEventHandler(cy_stc_ble_gapc_adv_report_param_t *eventParam)
{
if((cy_ble_cpscObserverFlag & CY_BLE_CPSC_FLAG_OBSERVE_IN_PROGRESS) != 0u)
{
if(eventParam->eventType == CY_BLE_GAPC_NON_CONN_UNDIRECTED_ADV)
{
if(Cy_BLE_CPS_ApplCallback != NULL)
{
cy_stc_ble_cps_char_value_t broadcastValue;
cy_stc_ble_gatt_value_t locCharValue;
uint8_t advIndex = 0u;
do
{
/* Show Cycling Power Measurement characteristic value from service Data packet. */
if((eventParam->data[advIndex] > CY_BLE_CPSC_BROADCAST_DATA_OFFSET) &&
(eventParam->data[advIndex + 1u] == (uint8_t)CY_BLE_GAP_ADV_SRVC_DATA_16UUID))
{
broadcastValue.peerAddrType = eventParam->peerAddrType;
broadcastValue.peerBdAddr = eventParam->peerBdAddr;
broadcastValue.charIndex = CY_BLE_CPS_POWER_MEASURE;
broadcastValue.value = &locCharValue;
locCharValue.val = &eventParam->data[advIndex + CY_BLE_CPSC_BROADCAST_DATA_OFFSET];
locCharValue.len = (uint16_t)eventParam->data[advIndex] - (CY_BLE_CPSC_BROADCAST_DATA_OFFSET - 1u);
Cy_BLE_CPS_ApplCallback((uint32_t)CY_BLE_EVT_CPSC_SCAN_PROGRESS_RESULT, &broadcastValue);
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
advIndex += eventParam->data[advIndex] + 1u;
}
while(advIndex < eventParam->dataLen);
}
}
else /* Filter for all connectable advertising packets */
{
cy_ble_eventHandlerFlag &= (uint8_t) ~CY_BLE_CALLBACK;
}
}
}
/******************************************************************************
* Function Name: Cy_BLE_CPS_EventHandler
***************************************************************************//**
*
* Handles the events from the BLE Stack for the CPS 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_CPS_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_CPSS_EventHandlerCallback != NULL)
{
gattErr = Cy_BLE_CPSS_EventHandlerCallback(eventCode, eventParam);
}
/************************************
* Handling GATT Client events
***********************************/
if(Cy_BLE_CPSC_EventHandlerCallback != NULL)
{
(void)Cy_BLE_CPSC_EventHandlerCallback(eventCode, eventParam);
}
return(gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSS_EventHandler
***************************************************************************//**
*
* Handles the server events from the BLE Stack for the CPS 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_CPSS_EventHandler(uint32_t eventCode, void *eventParam)
{
cy_en_ble_gatt_err_code_t gattErr = CY_BLE_GATT_ERR_NONE;
/* Handling GATT Server events */
switch((cy_en_ble_event_t)eventCode)
{
case CY_BLE_EVT_GATT_DISCONNECT_IND:
(void)Cy_BLE_CPSS_DisconnectEventHandler();
break;
case CY_BLE_EVT_GATTS_WRITE_REQ:
gattErr = Cy_BLE_CPSS_WriteEventHandler((cy_stc_ble_gatts_write_cmd_req_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTS_HANDLE_VALUE_CNF:
Cy_BLE_CPSS_ConfirmationEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
case CY_BLE_EVT_GATT_CONNECT_IND:
cy_ble_cpssReqHandle = CY_BLE_GATT_INVALID_ATTR_HANDLE_VALUE;
cy_ble_cpssFlag = 0u;
break;
case CY_BLE_EVT_L2CAP_CONN_PARAM_UPDATE_RSP:
Cy_BLE_CPSS_ConnParamUpdateRspEventHandler((cy_stc_ble_l2cap_conn_update_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GAP_CONNECTION_UPDATE_COMPLETE:
Cy_BLE_CPSS_ConnUpdateCompleteEventHandler((cy_stc_ble_gap_conn_param_updated_in_controller_t*)eventParam);
break;
case CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP:
Cy_BLE_CPSS_AdvertisementStartStopEventHandler();
break;
default:
break;
}
return (gattErr);
}
/******************************************************************************
* Function Name: Cy_BLE_CPSC_EventHandler
***************************************************************************//**
*
* Handles the client events from the BLE Stack for the CPS 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_CPSC_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_CPSC_DiscoverCharacteristicsEventHandler((cy_stc_ble_disc_char_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR:
Cy_BLE_CPSC_DiscoverCharDescriptorsEventHandler((cy_stc_ble_disc_descr_info_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_DISC_DESCR_GET_RANGE:
Cy_BLE_CPSC_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_GATT_DISCONNECT_IND:
(void)Cy_BLE_CPSC_DisconnectEventHandler();
break;
case CY_BLE_EVT_GAPC_SCAN_START_STOP:
Cy_BLE_CPSC_ScanStartStopEventHandler();
break;
case CY_BLE_EVT_GAPC_SCAN_PROGRESS_RESULT:
Cy_BLE_CPSC_ScanProcessEventHandler((cy_stc_ble_gapc_adv_report_param_t*)eventParam);
break;
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_CPSC_ErrorResponseEventHandler((cy_stc_ble_gatt_err_param_t*)eventParam);
}
}
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_NTF:
Cy_BLE_CPSC_NotificationEventHandler((cy_stc_ble_gattc_handle_value_ntf_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_HANDLE_VALUE_IND:
Cy_BLE_CPSC_IndicationEventHandler((cy_stc_ble_gattc_handle_value_ind_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_READ_RSP:
Cy_BLE_CPSC_ReadResponseEventHandler((cy_stc_ble_gattc_read_rsp_param_t*)eventParam);
break;
case CY_BLE_EVT_GATTC_WRITE_RSP:
Cy_BLE_CPSC_WriteResponseEventHandler((cy_stc_ble_conn_handle_t*)eventParam);
break;
case CY_BLE_EVT_TIMEOUT:
Cy_BLE_CPSC_TimeOutEventHandler((cy_stc_ble_timeout_param_t*)eventParam);
break;
default:
break;
}
}
return(gattErr);
}
#endif /* CY_BLE_LIB_HOST_CORE */
#endif /* CY_IP_MXBLESS */
/* [] END OF FILE */