BLE_API wrapper library for STMicroelectronics' BlueNRG Bluetooth Low Energy expansion board shield

Fork of X_NUCLEO_IDB0XA1 by ST Expansion SW Team

Revision:
132:51056160fa4a
Child:
144:bdf5e8432131
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/x-nucleo-idb0xa1/BlueNRGGattClient.h	Wed Oct 07 08:39:04 2015 +0200
@@ -0,0 +1,162 @@
+/* mbed Microcontroller Library
+* Copyright (c) 2006-2013 ARM Limited
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+/**
+  ******************************************************************************
+  * @file    BlueNRGGattClient.cpp 
+  * @author  STMicroelectronics
+  * @brief   Header file for BLE_API GattClient Class
+  ******************************************************************************
+  * @copy
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
+  */
+ 
+#ifndef __BLUENRG_GATT_CLIENT_H__
+#define __BLUENRG_GATT_CLIENT_H__
+
+#include "mbed.h"
+#include "ble/blecommon.h"
+#include "btle.h"
+#include "ble/GattClient.h"
+#include "ble/DiscoveredService.h"
+#include "BlueNRGDiscoveredCharacteristic.h"
+
+using namespace std;
+
+#define BLE_TOTAL_DISCOVERED_SERVICES 10
+#define BLE_TOTAL_DISCOVERED_CHARS 10
+
+class BlueNRGGattClient : public GattClient
+{
+public:
+    static BlueNRGGattClient &getInstance() {
+        static BlueNRGGattClient m_instance;
+        return m_instance;
+    }
+    
+    enum {
+      GATT_IDLE,
+      GATT_SERVICE_DISCOVERY,
+      GATT_CHARS_DISCOVERY_COMPLETE,
+      GATT_DISCOVERY_TERMINATED,
+            GATT_READ_CHAR,
+            GATT_WRITE_CHAR
+    };
+    
+    /* Functions that must be implemented from GattClient */
+    virtual ble_error_t launchServiceDiscovery(Gap::Handle_t                               connectionHandle,
+                                               ServiceDiscovery::ServiceCallback_t         sc                           = NULL,
+                                               ServiceDiscovery::CharacteristicCallback_t  cc                           = NULL,
+                                               const UUID                                 &matchingServiceUUID          = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN),
+                                               const UUID                                 &matchingCharacteristicUUIDIn = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN));
+
+    virtual ble_error_t discoverServices(Gap::Handle_t                        connectionHandle,
+                                         ServiceDiscovery::ServiceCallback_t  callback,
+                                         const UUID                          &matchingServiceUUID = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN));
+
+    virtual ble_error_t discoverServices(Gap::Handle_t                        connectionHandle,
+                                         ServiceDiscovery::ServiceCallback_t  callback,
+                                         GattAttribute::Handle_t              startHandle,
+                                         GattAttribute::Handle_t              endHandle);
+
+    virtual bool isServiceDiscoveryActive(void) const;
+    virtual void terminateServiceDiscovery(void);
+    virtual void onServiceDiscoveryTermination(ServiceDiscovery::TerminationCallback_t callback) {
+      terminationCallback = callback;
+    }
+    virtual ble_error_t read(Gap::Handle_t connHandle, GattAttribute::Handle_t attributeHandle, uint16_t offset) const;
+    virtual ble_error_t write(GattClient::WriteOp_t    cmd,
+                              Gap::Handle_t            connHandle,
+                              GattAttribute::Handle_t  attributeHandle,
+                              size_t                   length,
+                              const uint8_t           *value) const;
+    
+    void gattProcedureCompleteCB(Gap::Handle_t connectionHandle, uint8_t error_code);
+
+    void primaryServicesCB(Gap::Handle_t connectionHandle,
+                           uint8_t event_data_length,
+                           uint8_t attribute_data_length,
+                           uint8_t *attribute_data_list);
+    
+    void primaryServiceCB(Gap::Handle_t connectionHandle,
+                          uint8_t event_data_length,
+                          uint8_t *handles_info_list);
+    
+    ble_error_t findServiceChars(Gap::Handle_t connectionHandle);
+    
+    void serviceCharsCB(Gap::Handle_t connectionHandle,
+                        uint8_t event_data_length,
+                        uint8_t handle_value_pair_length,
+                        uint8_t *handle_value_pair);
+    
+    void  serviceCharByUUIDCB(Gap::Handle_t connectionHandle,
+                              uint8_t event_data_length,
+                              uint16_t attr_handle,
+                              uint8_t *attr_value);
+    
+    void charReadCB(Gap::Handle_t connHandle,
+                    uint8_t event_data_length,
+                    uint8_t* attribute_value);
+
+    void charWritePrepareCB(Gap::Handle_t connHandle,
+                            uint8_t event_data_length,
+                            uint16_t attribute_handle,
+                            uint16_t offset,
+                            uint8_t *part_attr_value);
+    
+    void charWriteExecCB(Gap::Handle_t connHandle,
+                         uint8_t event_data_length);
+
+protected:
+
+    BlueNRGGattClient() {
+      _currentState = GATT_IDLE;
+      _matchingServiceUUID = BLE_UUID_UNKNOWN;
+      _matchingCharacteristicUUIDIn = BLE_UUID_UNKNOWN;
+    }
+
+    ServiceDiscovery::ServiceCallback_t  serviceDiscoveryCallback;
+    ServiceDiscovery::CharacteristicCallback_t characteristicDiscoveryCallback;
+    ServiceDiscovery::TerminationCallback_t terminationCallback;
+
+private:
+
+  BlueNRGGattClient(BlueNRGGattClient const &);
+  void operator=(BlueNRGGattClient const &);
+
+  Gap::Handle_t _connectionHandle;
+  DiscoveredService discoveredService[BLE_TOTAL_DISCOVERED_SERVICES];
+  BlueNRGDiscoveredCharacteristic discoveredChar[BLE_TOTAL_DISCOVERED_CHARS];
+  
+  GattReadCallbackParams readCBParams;
+  GattWriteCallbackParams writeCBParams;
+  
+  UUID _matchingServiceUUID;
+  UUID _matchingCharacteristicUUIDIn;
+  uint8_t _currentState;
+  uint8_t _numServices, _servIndex;
+  uint8_t _numChars;
+  
+};
+
+#endif /* __BLUENRG_GATT_CLIENT_H__ */