Esempio n. 1
0
/******************************************************************************
* Function Name: CyBle_AnscSetCharacteristicValue
***************************************************************************//**
* 
*  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 CYBLE_EVT_ANSS_CHAR_WRITE events 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.
*  \param attrSize:   Size of the Characteristic value attribute.
*  \param attrValue: Pointer to the characteristic value data that should be 
*              sent to the server device. 
* \return
*  Return value is of type CYBLE_API_RESULT_T.
*   * CYBLE_ERROR_OK - The request was sent successfully.
*   * CYBLE_ERROR_INVALID_STATE - The component in in invalid state for current
*                                  operation.
*   * CYBLE_ERROR_INVALID_PARAMETER - Validation of the input parameters failed.
*   * CYBLE_ERROR_MEMORY_ALLOCATION_FAILED - Memory allocation failed.
*   * CYBLE_ERROR_INVALID_OPERATION - Operation is invalid for this
*                                      characteristic.
*
* \events
*  In case of successful execution (return value = CYBLE_ERROR_OK)
*  the next events can appear: \n
*   If the ANS service-specific callback is registered 
*      (with CyBle_AnsRegisterAttrCallback):
*  * CYBLE_EVT_ANSC_WRITE_CHAR_RESPONSE - in case if the requested attribute is
*                                successfully wrote on the peer device,
*                                the details (char index, etc.) are 
*                                provided with event parameter structure
*                                of type CYBLE_ANS_CHAR_VALUE_T.
*  .
*   Otherwise (if the ANS service-specific callback is not registered):
*  * CYBLE_EVT_GATTC_WRITE_RSP - in case if the requested attribute is 
*                                successfully wrote on the peer device.
*  * CYBLE_EVT_GATTC_ERROR_RSP - in case if there some trouble with the 
*                                requested attribute on the peer device,
*                                the details are provided with event parameters 
*                                structure (CYBLE_GATTC_ERR_RSP_PARAM_T).
*
******************************************************************************/
CYBLE_API_RESULT_T CyBle_AnscSetCharacteristicValue(CYBLE_CONN_HANDLE_T connHandle, CYBLE_ANS_CHAR_INDEX_T charIndex,
    uint8 attrSize, uint8 *attrValue)
{
    CYBLE_GATTC_WRITE_CMD_REQ_T writeReqParam;
    CYBLE_API_RESULT_T apiResult = CYBLE_ERROR_INVALID_PARAMETER;

    if(CyBle_GetClientState() != CYBLE_CLIENT_STATE_DISCOVERED)
    {
        apiResult = CYBLE_ERROR_INVALID_STATE;
    }
    else if((NULL != attrValue) && (CYBLE_ANS_ALERT_NTF_CONTROL_POINT == charIndex) &&
        (CYBLE_GATT_INVALID_ATTR_HANDLE_VALUE !=  
            cyBle_ansc.characteristics[CYBLE_ANS_ALERT_NTF_CONTROL_POINT].charInfo.valueHandle))
    {
        /* Fill all fields of write command request structure ... */
        writeReqParam.value.val = attrValue;
        writeReqParam.value.len = attrSize;
        writeReqParam.attrHandle = cyBle_ansc.characteristics[CYBLE_ANS_ALERT_NTF_CONTROL_POINT].charInfo.valueHandle;

        /* Send request to write characteristic value */
        apiResult = CyBle_GattcWriteCharacteristicValue(connHandle, &writeReqParam);
        
        /* Save handle to support service specific write response from device */
        if(apiResult == CYBLE_ERROR_OK)
        {
            cyBle_anscReqHandle = writeReqParam.attrHandle;
        }
    }
    else
    {
        /* Validation of the input parameters failed */
    }

    return(apiResult);
}
Esempio n. 2
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/****************************************************************************** 
##Function Name: CyBle_LlscSetCharacteristicValue
*******************************************************************************

Summary:
 Sets the Alert Level characteristic value of the Link Loss Service, which is
 identified by charIndex. 
 
 This function call can result in generation of the following events based on
 the response from the server device.
 * CYBLE_EVT_LLSC_WRITE_CHAR_RESPONSE
 * CYBLE_EVT_GATTC_ERROR_RSP

Parameters:
 connHandle: The connection handle.
 charIndex: The index of the Alert Level service characteristic.
 attrSize: The size of the Alert Level characteristic value attribute.
 *attrValue: The pointer to the Alert Level characteristic value data that
              should be sent to the server device.

Return:
 Return value is of type CYBLE_API_RESULT_T.
  * CYBLE_ERROR_OK - The request was sent successfully
  * CYBLE_ERROR_INVALID_PARAMETER - Validation of the input parameters failed

******************************************************************************/
CYBLE_API_RESULT_T CyBle_LlscSetCharacteristicValue(CYBLE_CONN_HANDLE_T connHandle,
                                                    CYBLE_LLS_CHAR_INDEX_T charIndex,
                                                    uint8 attrSize,
                                                    uint8 *attrValue)
{
    CYBLE_GATTC_WRITE_REQ_T writeReqParam;
    CYBLE_API_RESULT_T apiResult = CYBLE_ERROR_INVALID_PARAMETER;

    if((NULL != attrValue) && (CYBLE_LLS_ALERT_LEVEL == charIndex) && (CYBLE_LLS_ALERT_LEVEL_SIZE == attrSize) && 
       ((*attrValue <= CYBLE_HIGH_ALERT)) &&  
       (CYBLE_GATT_INVALID_ATTR_HANDLE_VALUE != cyBle_llsc.alertLevelChar.valueHandle))
    {
        cyBle_llscReqHandle = cyBle_llsc.alertLevelChar.valueHandle;
        
        /* Fill all fields of write command request structure ... */
        writeReqParam.value.val = attrValue;
        writeReqParam.value.len = attrSize;
        writeReqParam.attrHandle = cyBle_llsc.alertLevelChar.valueHandle;
        
        /* Send request to write Alert Level characteristic value */
        apiResult = CyBle_GattcWriteCharacteristicValue(connHandle, &writeReqParam);
    }
    
    /* Return status */
    return(apiResult);
}
Esempio n. 3
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/******************************************************************************
##Function Name: CyBle_WptscSetCharacteristicValue
*******************************************************************************

Summary:
 Sends a request to set a characteristic value of the service, which is a value
 identified by charIndex, to the server device.

Parameters:
 connHandle:      The connection handle.
 charIndex:       The index of a service characteristic of type
                  CYBLE_WPTS_CHAR_INDEX_T.
 attrSize:        The size of the characteristic value attribute.
 *attrValue:      The pointer to the characteristic value data that
                  should be send to the server device.

Return:
 Return value is of type CYBLE_API_RESULT_T.
 * CYBLE_ERROR_OK - The request was sent successfully
 * CYBLE_ERROR_INVALID_PARAMETER - Validation of the input parameters failed
 * CYBLE_ERROR_MEMORY_ALLOCATION_FAILED - Memory allocation failed
 * CYBLE_ERROR_INVALID_STATE - Connection with the server is not established
 * CYBLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE - The peer device doesn't have
                                              the particular characteristic
 * CYBLE_ERROR_INVALID_OPERATION - Operation is invalid for this
                                    characteristic

******************************************************************************/
CYBLE_API_RESULT_T CyBle_WptscSetCharacteristicValue(CYBLE_CONN_HANDLE_T connHandle, CYBLE_WPTS_CHAR_INDEX_T charIndex,
    uint8 attrSize, uint8 * attrValue)
{
    CYBLE_API_RESULT_T apiResult;
    CYBLE_GATT_HANDLE_VALUE_PAIR_T writeReqParam;

    if(CyBle_GetClientState() != CYBLE_CLIENT_STATE_DISCOVERED)
    {
        apiResult = CYBLE_ERROR_INVALID_STATE;
    }
    else if(charIndex >= CYBLE_WPTS_CHAR_COUNT)
    {
        apiResult = CYBLE_ERROR_INVALID_PARAMETER;
    }
    else if(cyBle_wptsc.charInfo[charIndex].valueHandle != CYBLE_GATT_INVALID_ATTR_HANDLE_VALUE)
    {
        writeReqParam.attrHandle = cyBle_wptsc.charInfo[charIndex].valueHandle;
        writeReqParam.value.val = attrValue;
        writeReqParam.value.len = attrSize;

        apiResult = CyBle_GattcWriteCharacteristicValue(connHandle, &writeReqParam);
        /* Save handle to support service specific write response from device */
        if(apiResult == CYBLE_ERROR_OK)
        {
            cyBle_wptscReqHandle = writeReqParam.attrHandle;
        }
    }
    else
    {
        apiResult = CYBLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
    }

    return (apiResult);
}
Esempio n. 4
0
/*******************************************************************************
* Function Name: Ancs_CmdPerformNotificationAction()
********************************************************************************
* Summary:
* The function performs a notification Action.
*
* Parameters:
* uint8 * notificationUid: The GATT notification on Notification source 
*                          characteristic
* ANCS_ACTION_ID_VALUES actionId: The action to be performed.
*
* Return:
* None
*
* Theory:
* The function issues a "Perform Notification Action" command to the iOS by 
* sending a write request on the Control Point characteristic with this data:
* Byte 0 - Command ID - 2
* Byte 1 - Notification UID[0]
* Byte 2 - Notification UID[1]
* Byte 3 - Notification UID[2]
* Byte 4 - Notification UID[3]
* Byte 5 - Action ID - 0(Positive) or 1(Negative)
*
*******************************************************************************/
static void Ancs_CmdPerformNotificationAction(uint8 * notificationUid, ANCS_ACTION_ID_VALUES actionId)
{
    CYBLE_GATTC_WRITE_REQ_T writeCommand;
    
    uint8 writeData[6];
    
    /* Create an array for holding the data as per Apple definitions */
    writeData[0] = ANCS_COMMAND_ID_PERFORM_NOTIFICATION_ACTION;
    writeData[1] = *(notificationUid + 0);
    writeData[2] = *(notificationUid + 1);
    writeData[3] = *(notificationUid + 2);
    writeData[4] = *(notificationUid + 3);
    writeData[5] = actionId;
    
    writeCommand.value.val = writeData;
    writeCommand.value.len = sizeof(writeData);
    writeCommand.attrHandle = ancsControlPointCharHandle;
    
    /* Write to the Control Point characteristic */
    CyBle_GattcWriteCharacteristicValue(cyBle_connHandle, &writeCommand);
}
Esempio n. 5
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/******************************************************************************
##Function Name: CyBle_GlscSetCharacteristicValue
*******************************************************************************

Summary:
 This function is used to write the characteristic (which is identified by
 charIndex) value attribute to the server.

 The Write Response just confirms the operation success.

Parameters:
 connHandle: The connection handle.
 charIndex: The index of a service characteristic.
 attrSize: The size of the characteristic value attribute.
 *attrValue: The pointer to the characteristic value data that should be 
              sent to the server device.

Return:
 Return value is of type CYBLE_API_RESULT_T.
 * CYBLE_ERROR_OK - The request was sent successfully
 * CYBLE_ERROR_INVALID_PARAMETER - Validation of the input parameters failed
 * CYBLE_ERROR_MEMORY_ALLOCATION_FAILED - Memory allocation failed
 * CYBLE_ERROR_INVALID_STATE - Connection with the server is not established
 * CYBLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE - The peer device doesn't have
                                              the particular characteristic
 * CYBLE_ERROR_INVALID_OPERATION - Operation is invalid for this
                                    characteristic

******************************************************************************/
CYBLE_API_RESULT_T CyBle_GlscSetCharacteristicValue(CYBLE_CONN_HANDLE_T connHandle,
                                                        CYBLE_GLS_CHAR_INDEX_T charIndex,
                                                            uint8 attrSize, uint8 * attrValue)
{
    CYBLE_API_RESULT_T apiResult;
    
    /* Check the parameters */
    if(CyBle_GetClientState() != CYBLE_CLIENT_STATE_DISCOVERED)
    {
        apiResult = CYBLE_ERROR_INVALID_STATE;
    }
    else if(charIndex >= CYBLE_GLS_CHAR_COUNT)
    {
        apiResult = CYBLE_ERROR_INVALID_PARAMETER;
    }
	else if(CYBLE_GATT_INVALID_ATTR_HANDLE_VALUE == cyBle_glsc.charInfo[charIndex].valueHandle)
    {
		apiResult = CYBLE_ERROR_GATT_DB_INVALID_ATTR_HANDLE;
	}
    else if(0u == (CYBLE_CHAR_PROP_WRITE & cyBle_glsc.charInfo[charIndex].properties))
    {
        apiResult = CYBLE_ERROR_INVALID_OPERATION;
    }
    else
    {
        CYBLE_GATTC_WRITE_REQ_T writeReqParam;
        
        writeReqParam.attrHandle = cyBle_glsc.charInfo[charIndex].valueHandle;
        writeReqParam.value.val = attrValue;
        writeReqParam.value.len = attrSize;

        apiResult = CyBle_GattcWriteCharacteristicValue(connHandle, &writeReqParam);
        if(CYBLE_ERROR_OK == apiResult)
        {
            cyBle_glscReqHandle = cyBle_glsc.charInfo[charIndex].valueHandle;
        }
    }

    return (apiResult);
}
Esempio n. 6
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/*******************************************************************************
* Function Name: Ancs_CmdGetNotificationAttributeTitle()
********************************************************************************
* Summary:
* The function asks for the Attribute ID title for a GATT notification.
*
* Parameters:
* uint8 * notificationUid: The GATT notification on Notification source 
*                          characteristic for which more information is asked
*
* Return:
* None
*
* Theory:
* The function issues a "Get Notification Attributes" command to the iOS by 
* sending a write request on the Control Point characteristic with this data:
* Byte 0 - Command ID - 0
* Byte 1 - Notification UID[0]
* Byte 2 - Notification UID[1]
* Byte 3 - Notification UID[2]
* Byte 4 - Notification UID[3]
* Byte 5 - Attribute ID 1 - Attribute ID Title
* Byte 6 - Title Maximum Length LSB
* Byte 7 - Title Maximum Length MSB
*
*******************************************************************************/
static void Ancs_CmdGetNotificationAttributeTitle(uint8 * notificationUid)
{
    CYBLE_GATTC_WRITE_REQ_T writeCommand;
    
    uint8 writeData[8];

    /* Create an array for holding the data as per Apple definitions */
    writeData[0] = ANCS_COMMAND_ID_GET_NOTIFICATION_ATTRIBUTES;
    writeData[1] = *(notificationUid + 0);
    writeData[2] = *(notificationUid + 1);
    writeData[3] = *(notificationUid + 2);
    writeData[4] = *(notificationUid + 3);
    writeData[5] = ANCS_NOTIFICATION_ATTRIBUTE_ID_TITLE;
    writeData[6] = ANCS_NAME_MAX_LENGTH_LSB;
    writeData[7] = ANCS_NAME_MAX_LENGTH_MSB;
    
    writeCommand.value.val = writeData;
    writeCommand.value.len = sizeof(writeData);
    writeCommand.attrHandle = ancsControlPointCharHandle;
    
    /* Write to the Control Point characteristic */
    CyBle_GattcWriteCharacteristicValue(cyBle_connHandle, &writeCommand);
}
Esempio n. 7
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/*******************************************************************************
* Function Name: GenericEventHandler
********************************************************************************
* Summary:
*        Event handler function for the BLE stack. All the events by BLE stack
* are received by application through this function. For this, CyBle_ProcessEvents()
* should be called continuously in main loop.
*
* Parameters:
*  event: 		event value
*  eventParame: pointer to the location where relevant event data is stored
*
* Return:
*  void
*
*******************************************************************************/
void GenericEventHandler(uint32 event, void * eventParam)
{
	/* Local variables and data structures*/
	CYBLE_GATTS_WRITE_REQ_PARAM_T 		writeReqData;
	CYBLE_GATTC_WRITE_REQ_T				writeADVcounterdata;
	CYBLE_GAPC_ADV_REPORT_T				scan_report;
	CYBLE_GATTS_WRITE_CMD_REQ_PARAM_T	writeCmdData;
	CYBLE_API_RESULT_T					apiResult;
	CYBLE_GATTC_WRITE_REQ_T 			writeRGBdata;
	
	switch(event)
	{
		case CYBLE_EVT_STACK_ON:
			#ifdef DEBUG_ENABLED
			UART_UartPutString("CYBLE_EVT_STACK_ON ");
			UART_UartPutCRLF(' ');
			#endif
			/* At the start of the BLE stack, start advertisement */
			CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
		break;
			
		case CYBLE_EVT_GAPP_ADVERTISEMENT_START_STOP:
			/* This event is received at every start or stop of peripheral advertisement*/
			#ifdef DEBUG_ENABLED
			UART_UartPutString("CYBLE_EVT_GAPP_ADVERTISEMENT_START_STOP ");
			SendBLEStatetoUART(CyBle_GetState());
			UART_UartPutCRLF(' ');
			#endif
			
			if((CYBLE_STATE_DISCONNECTED == CyBle_GetState()) && (switch_Role == FALSE))
			{
				/* If the current state of the BLE is Disconnected, then restart advertisement.
				* Note that the advertisement should only be restarted if the switch flag is not
				* TRUE. If switch role flag is TRUE, then there is no need to start advertisement
				* as the GAP role has to be switched*/
				CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);	
				
				if(apiResult == CYBLE_ERROR_OK)
				{
					#ifdef DEBUG_ENABLED
					UART_UartPutString("Restart Advertisement ");
					SendBLEStatetoUART(CyBle_GetState());
					UART_UartPutCRLF(' ');
					#endif
				}
			}
		break;
			
		case CYBLE_EVT_GAPC_SCAN_START_STOP:
			/* This event is received at every start or stop of central scanning*/
			#ifdef DEBUG_ENABLED
			UART_UartPutString("CYBLE_EVT_GAPC_SCAN_START_STOP ");
			SendBLEStatetoUART(CyBle_GetState());
			UART_UartPutCRLF(' ');
			#endif
		break;
			
		case CYBLE_EVT_GATT_CONNECT_IND:
			/* This event is received at GATT connection with a device. This event
			* is received for both Client or Server role */
			#ifdef DEBUG_ENABLED
			UART_UartPutString("CYBLE_EVT_GATT_CONNECT_IND ");
			UART_UartPutCRLF(' ');
			#endif
		break;
		
		case CYBLE_EVT_GATT_DISCONNECT_IND:
			/* This event is received at GATT disconnection with a device. This event
			* is received for both Client or Server role */
			#ifdef DEBUG_ENABLED
			UART_UartPutString("CYBLE_EVT_GATT_DISCONNECT_IND ");
			UART_UartPutCRLF(' ');
			#endif
		break;
			
		case CYBLE_EVT_GATTS_WRITE_REQ:
			/* This event is received at when Server receives a Write request from
			* connected Client device */
			/* Save the associated event parameter in local variable */
			writeReqData = *(CYBLE_GATTS_WRITE_REQ_PARAM_T*)eventParam;

			if(writeReqData.handleValPair.attrHandle == CYBLE_RGB_LED_CONTROL_CHAR_HANDLE)
			{
				/* If the Write request is on RGB LED Control Characteristic, then Client is 
				* trying to set a new color to the device. */
				if(writeReqData.handleValPair.value.len == RGB_LED_DATA_LEN)
				{
					#ifdef DEBUG_ENABLED
						UART_UartPutString("RGB CYBLE_EVT_GATTS_WRITE_REQ ");
						UART_UartPutCRLF(' ');
					#endif
					
					/* Extract the four bytes containing the color value and store it */
					RGBData[RGB_RED_INDEX] = writeReqData.handleValPair.value.val[0];
					RGBData[RGB_GREEN_INDEX] = writeReqData.handleValPair.value.val[1];
					RGBData[RGB_BLUE_INDEX] = writeReqData.handleValPair.value.val[2];
					RGBData[RGB_INTENSITY_INDEX] = writeReqData.handleValPair.value.val[3];
					
					/* Modify RGB Color my configuring the PrISM components with new density 
					* value*/
					UpdateRGBled(RGBData, RGB_LED_DATA_LEN);
					
					/* Update the RGB LED Control characteristic in GATT DB  to allow
					* Client to read the latest RGB LED color value set */
					CyBle_GattsWriteAttributeValue(&writeReqData.handleValPair,0,&cyBle_connHandle,CYBLE_GATT_DB_LOCALLY_INITIATED);
							
					#ifdef ENABLE_ADV_DATA_COUNTER
					/* Increment the ADV data counter so that scanning Central device knows
					* if this device has updated RGB LED data or not */
					dataADVCounter++;
					#endif
					
					#ifdef DEBUG_ENABLED
					UART_UartPutString("incremented dataADVCounter value in CYBLE_EVT_GATTS_WRITE_REQ= ");
					PrintNum(dataADVCounter);
					UART_UartPutCRLF(' ');
					#endif
					
					/* After receiveing the color value, set the switch role flag to allow the system
					* to switch role to Central role */
					switch_Role = TRUE;
					
					#ifdef DEBUG_ENABLED
					UART_UartPutString("switchRole to Central");
					UART_UartPutCRLF(' ');
					#endif
				}
				else
				{
					/* Send the error code for invalid attribute length packet */
					SendErrorCode(CYBLE_GATT_WRITE_REQ, 
									writeReqData.handleValPair.attrHandle, 
									ERR_INVALID_ATT_LEN);
					
					return;
				}
			}

			/* As part of every write request, the server needs to send a write response. Note
			* that this will be sent only if all the application layer conditions are met on a 
			* write request. Else, an appropriate error code is sent. */
	        CyBle_GattsWriteRsp(cyBle_connHandle);
		break;
			
		case CYBLE_EVT_GATTS_WRITE_CMD_REQ:
			/* This event is generated whenever a Client device sends a Write Command (Write 
			* without response) to a connected Server. Save the associated event parameter in
			* local variable. */
			writeCmdData = *(CYBLE_GATTS_WRITE_CMD_REQ_PARAM_T*)eventParam;
			
			/* Check if the Write command is for ADV Data counter characteristic */
			if(writeCmdData.handleValPair.attrHandle == CYBLE_RGB_DATA_COUNT_CHAR_HANDLE)
			{
				/* If the data sent is of one byte, then proceed. */
				if(writeCmdData.handleValPair.value.len == 1)
				{
					/* Extract and save the set ADV data counter value */
					dataADVCounter = *(writeCmdData.handleValPair.value.val);	
					
					/* This increment is done to balance the ++ done as part of CYBLE_EVT_GATTS_WRITE_REQ */
					dataADVCounter--;
					
					/* Update the ADV data counter characteristic in GATT DB  to allow
					* Client to read the latest ADV data counter value */
					CyBle_GattsWriteAttributeValue(&writeCmdData.handleValPair,
													0,
													&cyBle_connHandle,
													CYBLE_GATT_DB_LOCALLY_INITIATED);

					#ifdef DEBUG_ENABLED
					UART_UartPutString("dataADVCounter from CYBLE_EVT_GATTS_WRITE_CMD_REQ = ");
					PrintNum(dataADVCounter);
					UART_UartPutCRLF(' ');
					#endif
				}	/* if(writeCmdData.handleValPair.value.len == 1) */
			}
			break;
		
		case CYBLE_EVT_GAPC_SCAN_PROGRESS_RESULT:
			/* This event is generated whenever there is a peripheral device found by 
			* while scanning */
			if(CYBLE_STATE_CONNECTED != CyBle_GetState())	
			{
				/* If we are not connected to any peripheral device, then save the new device  
				* information so to add it to our list */
				scan_report = *(CYBLE_GAPC_ADV_REPORT_T*)eventParam;
				
				#ifdef DEBUG_ENABLED
					UART_UartPutString("CYBLE_EVT_GAPC_SCAN_PROGRESS_RESULT ");
					UART_UartPutCRLF(' ');
				#endif
				
				#ifdef ENABLE_ADV_DATA_COUNTER
				/* If ADV DATA COUNTER is enabled, then the central device would check
				* if the counter in ADV packet of peripheral is less than its own counter
				* or not. If yes, then it will consider the peripheral as a potential 
				* device to connect to.*/
				if(scan_report.eventType == CYBLE_GAPC_CONN_UNDIRECTED_ADV)
				{
					/* If the scan report received is of advertising nature and the data 
					* length is as expected... */
					if(scan_report.dataLen == new_advData.advDataLen)
					{
						/* If the second last value of the advertising data matches the custom 
						* marker, then the peripheral is a node of the network */
						if(scan_report.data[scan_report.dataLen-2] == CUSTOM_ADV_DATA_MARKER)
						{
							/* If the ADV counter data in Advertising data is less than that of
							* the value in this scanning device, then the node is a potential node 
							* whose color has to be updated. */
							if((scan_report.data[scan_report.dataLen-1] < dataADVCounter) ||
							((scan_report.data[scan_report.dataLen-1] == 255) && (dataADVCounter == 0)))
							{
								/* Potential node found*/
								potential_node_found = TRUE;
								/* Save the advertising peripheral address and type*/
								memcpy(potential_node_bdAddr, scan_report.peerBdAddr, 6);
								potential_node_bdAddrType = scan_report.peerAddrType;
								
								#ifdef DEBUG_ENABLED
								UART_UartPutString("potential_node_found ");
								UART_UartPutCRLF(' ');
								#endif
							}
							else
							{
								/* If the ADV data counter is equal or more than the data counter
								* in this scanning device, then the node has latest RGB LED data
								* and does not need to be connected to. Reset the potential node 
								* address */
								potential_node_found = FALSE;
								
								potential_node_bdAddrType = 0;
								
								potential_node_bdAddr[0] = 0x00;
								potential_node_bdAddr[1] = 0x00;
								potential_node_bdAddr[2] = 0x00;
								potential_node_bdAddr[3] = 0x00;
								potential_node_bdAddr[4] = 0x00;
								potential_node_bdAddr[5] = 0x00;
							}
						}
					}
				}
				#endif
				
				/* If the received scan data is part of scan response from a peripheral... */
				if(scan_report.eventType == CYBLE_GAPC_SCAN_RSP)
				{
					/* If the data lenght of the scan reponse packet is equal to expected
					* scan response data lenght...*/
					if(scan_report.dataLen == SCAN_TAG_DATA_LEN)
					{
						#ifdef ENABLE_ADV_DATA_COUNTER
						/* If a potential node had been found earlier as part of received 
						* advertising data, then compare the address of stored potential 
						* node and received address of the scan response */
						if(potential_node_found)
						{
							/* Compare the two addresses and type */
							if((!memcmp(scan_report.peerBdAddr, potential_node_bdAddr, 6))  
								&& (potential_node_bdAddrType == scan_report.peerAddrType))
							{
						#endif
								/* If the scan report data matches the expected data (scan_tag),
								* then it is our desired node */
								if(!memcmp(scan_report.data, scan_tag, scan_report.dataLen))
								{
									#ifdef DEBUG_ENABLED
									UART_UartPutString("Titan Found ");
									UART_UartPutCRLF(' ');
									#endif
									/* Stop existing scan */
									CyBle_GapcStopScan();
									#ifdef DEBUG_ENABLED
									UART_UartPutString("Stop Scan called ");
									UART_UartPutCRLF(' ');
									#endif
									
									/* Save the peripheral BD address and type*/
									peripAddr.type = scan_report.peerAddrType;
									peripAddr.bdAddr[0] = scan_report.peerBdAddr[0];
									peripAddr.bdAddr[1] = scan_report.peerBdAddr[1];
									peripAddr.bdAddr[2] = scan_report.peerBdAddr[2];
									peripAddr.bdAddr[3] = scan_report.peerBdAddr[3];
									peripAddr.bdAddr[4] = scan_report.peerBdAddr[4];
									peripAddr.bdAddr[5] = scan_report.peerBdAddr[5];

									/* Set the flag to allow application to connect to the
									* peripheral found */
									clientConnectToDevice = TRUE;
									
									#ifdef ENABLE_ADV_DATA_COUNTER
									/* Reset the potential node flag*/
									potential_node_found = FALSE;
									#endif
								}
						#ifdef ENABLE_ADV_DATA_COUNTER
							}
						}
						#endif
					}
				}
			}

		break;
			
		case CYBLE_EVT_GAP_DEVICE_CONNECTED:
			/* This event is received whenever the device connect on GAP layer */
			if(ble_gap_state == BLE_CENTRAL)
			{
				#ifdef ENABLE_CENTRAL_DISCOVERY
					/* The Device is connected now. Start Attributes discovery process.*/
					CyBle_GattcStartDiscovery(cyBle_connHandle);
					#ifdef DEBUG_ENABLED
						UART_UartPutString("CYBLE_EVT_GAP_DEVICE_CONNECTED ");
						SendBLEStatetoUART(CyBle_GetState());
						UART_UartPutCRLF(' ');
					#endif
				#else
					/* If this system is currently acting in Central role and has connected
					* to a peripheral device, then write directly the ADV counter data and
					* RGB LED control data using attribute handles */
					
					/* Set the device connected flag */
					deviceConnected = TRUE;
					
					#ifdef DEBUG_ENABLED
						UART_UartPutString("Directly write RGB using Attr handle ");
						SendBLEStatetoUART(CyBle_GetState());
						UART_UartPutCRLF(' ');
					#endif
					
					/* Write the Data Counter value */
					writeADVcounterdata.attrHandle = CYBLE_RGB_DATA_COUNT_CHAR_HANDLE;
					writeADVcounterdata.value.val = &dataADVCounter;
					writeADVcounterdata.value.len = 1;
					CyBle_GattcWriteWithoutResponse(cyBle_connHandle, &writeADVcounterdata);
				
					/* Write the RGB LED Value */
					writeRGBdata.attrHandle = CYBLE_RGB_LED_CONTROL_CHAR_HANDLE;
					writeRGBdata.value.val = RGBData;
					writeRGBdata.value.len = RGB_LED_DATA_LEN;
					CyBle_GattcWriteCharacteristicValue(cyBle_connHandle, &writeRGBdata);
				#endif
			}	
        break;
			
		case CYBLE_EVT_GATTC_DISCOVERY_COMPLETE:
			/* This event is generated whenever the discovery procedure is complete*/
			
			#ifdef ENABLE_CENTRAL_DISCOVERY
			deviceConnected = TRUE;
			#ifdef DEBUG_ENABLED
				UART_UartPutString("CYBLE_EVT_GATTC_DISCOVERY_COMPLETE ");
				SendBLEStatetoUART(CyBle_GetState());
				UART_UartPutCRLF(' ');
			#endif
			
			/* Write the Data Counter value */
			writeADVcounterdata.attrHandle = CYBLE_RGB_DATA_COUNT_CHAR_HANDLE;
			writeADVcounterdata.value.val = &dataADVCounter;
			writeADVcounterdata.value.len = 1;
			CyBle_GattcWriteWithoutResponse(cyBle_connHandle, &writeADVcounterdata);
		
			/* Write the RGB LED Value */
			writeRGBdata.attrHandle = CYBLE_RGB_LED_CONTROL_CHAR_HANDLE;
			writeRGBdata.value.val = RGBData;
			writeRGBdata.value.len = RGB_LED_DATA_LEN;
			CyBle_GattcWriteCharacteristicValue(cyBle_connHandle, &writeRGBdata);
			#endif
		break;
			
		case CYBLE_EVT_GATTC_WRITE_RSP:
			/* This event is generated when the Client device receives a response
			* as part of the Write request sent earlier. This indicates that
			* the RGB LED data was written successfully */
			#ifdef DEBUG_ENABLED
				UART_UartPutString("CYBLE_EVT_GATTC_WRITE_RSP ");
				SendBLEStatetoUART(CyBle_GetState());
				UART_UartPutCRLF(' ');
			#endif
			
			/* Disconnect the existing connection and restart scanning */
			if((cyBle_connHandle.bdHandle != 0))
			{
				CyBle_GapDisconnect(cyBle_connHandle.bdHandle);
				
				restartScanning = TRUE;
				#ifdef DEBUG_ENABLED
				UART_UartPutString("Disconnect from CYBLE_EVT_GATTC_WRITE_RSP ");
				SendBLEStatetoUART(CyBle_GetState());
				UART_UartPutCRLF(' ');
				#endif
			}
		break;

		case CYBLE_EVT_GAP_DEVICE_DISCONNECTED:
			/* This event is generated when the device disconnects from an 
			* existing connection */
			deviceConnected = FALSE;
			
			#ifdef DEBUG_ENABLED
				UART_UartPutString("CYBLE_EVT_GAP_DEVICE_DISCONNECTED ");
				SendBLEStatetoUART(CyBle_GetState());
				UART_UartPutCRLF(' ');
			#endif
			
			if((ble_gap_state == BLE_PERIPHERAL) && (switch_Role != TRUE))
			{
				/* If the current role of this system was Peripheral and the role
				* is not to be switched, then restart advertisement */
				if(CYBLE_STATE_DISCONNECTED == CyBle_GetState())
				{
					CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);	
					#ifdef DEBUG_ENABLED
					UART_UartPutString("Restart Advertisement ");
					SendBLEStatetoUART(CyBle_GetState());
					UART_UartPutCRLF(' ');
					#endif
				}
			}
			else if((ble_gap_state == BLE_CENTRAL) && (switch_Role != TRUE))
			{
				/* If the current role of this system was Central and the role
				* is not to be switched, then restart scanning */
				if(CYBLE_STATE_DISCONNECTED == CyBle_GetState())
				{
					CyBle_GapcStartScan(CYBLE_SCANNING_FAST);	
					#ifdef DEBUG_ENABLED
					UART_UartPutString("Restart Scanning ");
					SendBLEStatetoUART(CyBle_GetState());
					UART_UartPutCRLF(' ');
					#endif
				}	
			}
		break;
			
		default:
			eventParam = eventParam;
		break;
	}
}