Diff: platform/src/btle.cpp

Revision:

70:d20d30f59b1c

Child:

74:c4526f8284d5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/src/btle.cpp	Mon Jun 08 17:08:01 2015 +0200
@@ -0,0 +1,407 @@
+/* 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    btle.cpp 
+  * @author  STMicroelectronics
+  * @brief   Implementation BlueNRG Init and helper functions.
+  ******************************************************************************
+  * @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 2013 STMicroelectronics</center></h2>
+  */ 
+
+
+#include "btle.h"
+#include "public/Gap.h"
+#include "public/GapEvents.h"
+#include "BlueNRGGap.h"
+#include "BlueNRGGattServer.h"
+#include "Utils.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* C File Includes ------------------------------------------------------------------*/
+// ANDREA: Updated includes and changed some types (e.g., tHalUint8 --> uint8_t)
+#include <stdio.h>
+#include <string.h>
+#include "hci.h"
+#include "hci_const.h"
+#include "bluenrg_aci.h"
+#include "bluenrg_hal_aci.h"
+#include "bluenrg_gap.h"
+
+#include "hal_types.h"
+#include "hal.h"
+#include "gp_timer.h"
+#include "osal.h"
+#include "sm.h"
+#include "debug.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+
+static void btle_handler(/*ble_evt_t * p_ble_evt*/);
+void HCI_Input(tHciDataPacket * hciReadPacket);
+
+//#define BDADDR_SIZE 6
+//tHalUint8 bdaddr[BDADDR_SIZE]= {0xaa, 0x00, 0x00, 0xE1, 0x80, 0x02};
+
+uint16_t g_gap_service_handle = 0;
+uint16_t g_appearance_char_handle = 0;
+uint16_t g_device_name_char_handle = 0;
+
+/* Private variables ---------------------------------------------------------*/
+volatile uint8_t set_connectable = 1;
+// ANDREA
+Gap::Address_t bleAddr;
+Gap::AddressType_t addr_type = Gap::ADDR_TYPE_PUBLIC;
+
+/**************************************************************************/
+/*!
+    @brief  Initialises BTLE and the underlying HW/Device
+    @param  isSetAddress boolean if address has been set
+    @param  mosi MOSI Pin
+    @param  miso MISO Pin
+    @param  sclk clock Pin
+    @returns void
+*/
+/**************************************************************************/
+void btle_init(bool isSetAddress, PinName mosi, PinName miso, PinName sclk)
+{
+    DEBUG("btle_init>>\n\r"); 
+    
+    int ret;
+    uint16_t service_handle, dev_name_char_handle, appearance_char_handle;
+
+    //HAL_Init();
+
+    /* Configure the User Button in GPIO Mode */
+    //BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
+
+    /* Configure the system clock */
+    //SystemClock_Config();
+
+    /* Delay needed only to be able to acces the JTAG interface after reset
+    if it will be disabled later. */
+    Clock_Wait(500);
+
+    /* Initialize the BlueNRG SPI driver */
+    BNRG_SPI_Init(D11, D12, D3);
+
+    /* Initialize the BlueNRG HCI */
+    HCI_Init();
+
+    /* Reset BlueNRG SPI interface */
+    BlueNRG_RST();
+
+    /* The Nucleo board must be configured as SERVER */
+    //check if issetAddress is set than set address.
+    // ANDREA
+    if(isSetAddress)
+    {
+        BlueNRGGap::getInstance().getAddress(&addr_type, bleAddr);
+        
+        Gap::Address_t bdaddr;
+        Osal_MemCpy(bdaddr, bleAddr, BDADDR_SIZE);
+
+        ret = aci_hal_write_config_data(CONFIG_DATA_PUBADDR_OFFSET,
+                                        CONFIG_DATA_PUBADDR_LEN,
+                                        bdaddr);
+    } else {
+        
+        const Gap::Address_t BLE_address_BE = {0xFD,0x00,0x25,0xAA,0x02,0x04};
+        BlueNRGGap::getInstance().setAddress(Gap::ADDR_TYPE_PUBLIC, BLE_address_BE);
+        
+        ret = aci_hal_write_config_data(CONFIG_DATA_PUBADDR_OFFSET,
+                                        CONFIG_DATA_PUBADDR_LEN,
+                                        BLE_address_BE);
+    }
+    
+    ret = aci_gatt_init();
+    if(ret){
+        PRINTF("GATT_Init failed.\n");
+    }
+    //GAP is always in PERIPHERAL _ROLE as mbed does not support Master role at the moment
+#ifdef BLUENRG_MS
+    ret = aci_gap_init(GAP_PERIPHERAL_ROLE, 0, 0x07, &service_handle, &dev_name_char_handle, &appearance_char_handle);
+#else
+    ret = aci_gap_init(GAP_PERIPHERAL_ROLE, &service_handle, &dev_name_char_handle, &appearance_char_handle);
+#endif
+    if(ret != BLE_STATUS_SUCCESS){
+        PRINTF("GAP_Init failed.\n");
+    }
+
+    //ANDREA -- FIXME: Security and passkey set by default    
+    ret = aci_gap_set_auth_requirement(MITM_PROTECTION_REQUIRED,
+                                       OOB_AUTH_DATA_ABSENT,
+                                       NULL,
+                                       7,
+                                       16,
+                                       USE_FIXED_PIN_FOR_PAIRING,
+                                       123456,
+                                       BONDING);
+    if (ret == BLE_STATUS_SUCCESS) {
+        DEBUG("Auth Req set successfully.\n");
+    }
+    
+    aci_hal_set_tx_power_level(1,4);
+    
+    g_gap_service_handle = service_handle;
+    g_appearance_char_handle = appearance_char_handle;
+    g_device_name_char_handle = dev_name_char_handle; 
+    //Device Name is set from Accumulate Adv Data Payload or through setDeviceName API  
+    /*ret = aci_gatt_update_char_value(service_handle, dev_name_char_handle, 0,
+                            strlen(name), (tHalUint8 *)name);*/
+    
+    return;
+}
+
+void User_Process()
+{
+    if(set_connectable){
+        setConnectable();
+        set_connectable = FALSE;
+    }
+}
+
+void setConnectable(void)
+{  
+    tBleStatus ret;
+
+    const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'B','l','u','e','N','R','G'};
+
+    /* disable scan response */
+    hci_le_set_scan_resp_data(0,NULL);
+
+    //int t = BlueNRGGap::getInstance()::ADV_IND;// advType;
+    
+    ret = aci_gap_set_discoverable(BlueNRGGap::getInstance().ADV_IND, 0, 0, PUBLIC_ADDR, NO_WHITE_LIST_USE,
+    sizeof(local_name), local_name, 0, NULL, 0, 0);
+    if (ret != BLE_STATUS_SUCCESS) {
+        DEBUG("Error while setting discoverable mode (%d)\n", ret);    
+    }
+
+}
+
+/**************************************************************************/
+/*!
+    @brief  Not Used
+
+    @param[in]  void
+    
+    @returns
+*/
+/**************************************************************************/
+static void btle_handler()
+{
+
+}
+
+/*!
+    @brief  Not Used
+
+    @param[in]  void
+    
+    @returns
+*/
+void SPI_Poll(void)
+{
+    //HAL_GPIO_EXTI_Callback_Poll(BNRG_SPI_EXTI_PIN);
+    return;
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    /**************************************************************************/
+    /*!
+    @brief      Handle HCI Stack Event
+
+    @param[in]  pckt
+                Event Packet sent by the stack to be decoded
+    
+    @returns
+    */
+    /**************************************************************************/
+    extern void HCI_Event_CB(void *pckt) {
+        
+        hci_uart_pckt *hci_pckt = (hci_uart_pckt*)pckt;
+        hci_event_pckt *event_pckt = (hci_event_pckt*)hci_pckt->data;
+        
+        if(hci_pckt->type != HCI_EVENT_PKT)
+        return;
+
+        switch(event_pckt->evt){
+            
+        case EVT_DISCONN_COMPLETE:
+            {
+                DEBUG("EVT_DISCONN_COMPLETE\n");
+                
+                evt_disconn_complete *evt = (evt_disconn_complete*)event_pckt;
+                
+                BlueNRGGap::getInstance().processDisconnectionEvent(evt->handle, BlueNRGGap::REMOTE_USER_TERMINATED_CONNECTION);
+            }
+            break;
+            
+        case EVT_LE_META_EVENT:
+            {
+                DEBUG("EVT_LE_META_EVENT\n");
+                
+                evt_le_meta_event *evt = (evt_le_meta_event *)event_pckt->data;
+                
+                switch(evt->subevent){
+                // ANDREA
+                case EVT_LE_CONN_COMPLETE:
+                    {                            
+                        Gap::AddressType_t peerAddrType = Gap::ADDR_TYPE_PUBLIC;
+                        DEBUG("EVT_LE_CONN_COMPLETE\n");
+                        
+                        evt_le_connection_complete *cc = (evt_le_connection_complete *)evt->data;
+                        
+                        BlueNRGGap::getInstance().setConnectionHandle(cc->handle);
+                        BlueNRGGap::ConnectionParams_t connectionParams;
+                        BlueNRGGap::getInstance().getPreferredConnectionParams(&connectionParams);
+                        switch (cc->peer_bdaddr_type) {
+                            case PUBLIC_ADDR:
+                                peerAddrType = Gap::ADDR_TYPE_PUBLIC;
+                                break;
+                            case STATIC_RANDOM_ADDR:
+                                peerAddrType = Gap::ADDR_TYPE_RANDOM_STATIC;
+                                break;
+                            case RESOLVABLE_PRIVATE_ADDR:
+                                peerAddrType = Gap::ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE;
+                                break;
+                            case NON_RESOLVABLE_PRIVATE_ADDR:
+                                peerAddrType = Gap::ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;
+                                break;
+                        }                                             
+                        BlueNRGGap::getInstance().processConnectionEvent(cc->handle, peerAddrType, cc->peer_bdaddr, addr_type, bleAddr, (const BlueNRGGap::ConnectionParams_t *)&connectionParams);                            
+                    }
+                    break;
+                }
+            }
+            break;
+            
+        case EVT_VENDOR:
+            {                
+                evt_blue_aci *blue_evt = (evt_blue_aci*)event_pckt->data;
+                switch(blue_evt->ecode){
+                    
+                DEBUG("EVT_VENDOR %d\n", blue_evt->ecode);
+                           
+                case EVT_BLUE_GATT_READ_PERMIT_REQ:
+                    {
+                        DEBUG("EVT_BLUE_GATT_READ_PERMIT_REQ_OK\n\r");
+                        evt_gatt_read_permit_req *pr = (evt_gatt_read_permit_req*)blue_evt->data;                        
+                        BlueNRGGattServer::getInstance().Read_Request_CB(pr->attr_handle);                                                
+                    }
+                    break;
+                    
+                case EVT_BLUE_GATT_ATTRIBUTE_MODIFIED:         
+                    {
+                        /* this callback is invoked when a GATT attribute is modified
+                            extract callback data and pass to suitable handler function */
+                        evt_gatt_attr_modified *evt = (evt_gatt_attr_modified*)blue_evt->data;
+                        DEBUG("EVT_BLUE_GATT_ATTRIBUTE_MODIFIED\n\r");
+                        
+                        //DEBUG("CharHandle 0x%x, length: 0x%x, Data: 0x%x\n\r",evt->attr_handle, evt->data_length, (uint16_t)evt->att_data[0]);
+                        DEBUG("CharHandle %d, length: %d, Data: %d\n\r",evt->attr_handle, evt->data_length, (uint16_t)evt->att_data[0]);       
+                        
+                        //Extract the GattCharacteristic from p_characteristics[] and find the properties mask
+                        GattCharacteristic *p_char = BlueNRGGattServer::getInstance().getCharacteristicFromHandle(evt->attr_handle);
+                        if(p_char!=NULL) {
+                            DEBUG("getProperties 0x%x\n\r",p_char->getProperties());
+                            if((p_char->getProperties() &  (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY
+                                            | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE))) {
+                                
+                                //Now Check if data written in Enable or Disable
+                                if((uint16_t)evt->att_data[0]==1) {
+                                    //DEBUG("Notify ENABLED\n\r"); 
+                                    BlueNRGGattServer::getInstance().HCIEvent(GattServerEvents::GATT_EVENT_UPDATES_ENABLED, evt->attr_handle);
+                                } 
+                                else {
+                                    //DEBUG("Notify DISABLED\n\r"); 
+                                    BlueNRGGattServer::getInstance().HCIEvent(GattServerEvents::GATT_EVENT_UPDATES_DISABLED, evt->attr_handle);
+                                }
+                            }
+                            
+                            //Check is attr handle property is WRITEABLE, if yes, generate GATT_EVENT_DATA_WRITTEN Event
+                            if((p_char->getProperties() &
+                                        (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE|
+                                            GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE))) {
+                                
+                                GattCharacteristicWriteCBParams writeParams;
+                                writeParams.charHandle=evt->attr_handle;
+                                writeParams.op=GattCharacteristicWriteCBParams::GATTS_CHAR_OP_WRITE_REQ;//Where to find this property in BLUENRG?
+                                writeParams.len=evt->data_length;
+                                writeParams.data=evt->att_data;                                                                                    
+                                #ifdef BLUENRG_MS
+                                writeParams.offset=evt->offset;//Not used in BlueNRG?
+                                #endif
+                                BlueNRGGattServer::getInstance().HCIDataWrittenEvent(&writeParams);
+
+                                //BlueNRGGattServer::getInstance().handleEvent(GattServerEvents::GATT_EVENT_DATA_WRITTEN, evt->attr_handle);
+                                //Write the actual Data to the Attr Handle? (uint8_1[])evt->att_data contains the data
+                                if ((p_char->getValueAttribute().getValuePtr() != NULL) && (p_char->getValueAttribute().getInitialLength() > 0)) {
+                                    BlueNRGGattServer::getInstance().updateValue(p_char->getValueAttribute().getHandle(), 
+                                    p_char->getValueAttribute().getValuePtr(), p_char->getValueAttribute().getInitialLength(), false /* localOnly */);
+                                }
+                            } 
+                        }                  
+                    }
+                    break;  
+                    
+                    //Any cases for Data Sent Notifications?
+                case EVT_BLUE_GATT_NOTIFICATION:
+                    //This is only relevant for Client Side Event
+                    DEBUG("EVT_BLUE_GATT_NOTIFICATION");
+                    break;
+                case EVT_BLUE_GATT_INDICATION:
+                    //This is only relevant for Client Side Event
+                    DEBUG("EVT_BLUE_GATT_INDICATION");
+                    break;   
+                    
+                case EVT_BLUE_GATT_PROCEDURE_COMPLETE:
+                    DEBUG("EVT_BLUE_GATT_PROCEDURE_COMPLETE");
+                    break;                                     
+                }
+            }
+            break;
+        }    
+        
+        return ;
+    }
+
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file