SimpleBLECentral.zip_蓝牙主机

/************************************************************************************************** Filename: simpleBLECentral.c Revised: $Date: 2011-06-20 11:57:59 -0700 (Mon, 20 Jun 2011) $ Revision: $Revision: 28 $ Description: This file contains the Simple BLE Central sample application for use with the CC2540 Bluetooth Low Energy Protocol Stack. Copyright 2010 Texas Instruments Incorporated. All rights reserved. IMPORTANT: Your use of this Software is limited to those specific rights granted under the terms of a software license agreement between the user who downloaded the software, his/her employer (which must be your employer) and Texas Instruments Incorporated (the "License"). You may not use this Software unless you agree to abide by the terms of the License. The License limits your use, and you acknowledge, that the Software may not be modified, copied or distributed unless embedded on a Texas Instruments microcontroller or used solely and exclusively in conjunction with a Texas Instruments radio frequency transceiver, which is integrated into your product. Other than for the foregoing purpose, you may not use, reproduce, copy, prepare derivative works of, modify, distribute, perform, display or sell this Software and/or its documentation for any purpose. YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE PROVIDED �AS IS� WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS. Should you have any questions regarding your right to use this Software, contact Texas Instruments Incorporated at www.TI.com. **************************************************************************************************/ /********************************************************************* * INCLUDES */ #include "bcomdef.h" #include "OSAL.h" #include "OSAL_PwrMgr.h" #include "OnBoard.h" #include "hal_led.h" #include "hal_key.h" #include "hal_lcd.h" #include "gatt.h" #include "ll.h" #include "hci.h" #include "gapgattserver.h" #include "gattservapp.h" #include "central.h" #include "gapbondmgr.h" #include "simpleGATTprofile.h" #include "simpleBLECentral.h" /********************************************************************* * MACROS */ // Length of bd addr as a string #define B_ADDR_STR_LEN 15 /********************************************************************* * CONSTANTS */ // Maximum number of scan responses #define DEFAULT_MAX_SCAN_RES 8 // Scan duration in ms #define DEFAULT_SCAN_DURATION 4000 // Discovey mode (limited, general, all) #define DEFAULT_DISCOVERY_MODE DEVDISC_MODE_ALL // TRUE to use active scan #define DEFAULT_DISCOVERY_ACTIVE_SCAN TRUE // TRUE to use white list during discovery #define DEFAULT_DISCOVERY_WHITE_LIST FALSE // TRUE to use high scan duty cycle when creating link #define DEFAULT_LINK_HIGH_DUTY_CYCLE FALSE // TRUE to use white list when creating link #define DEFAULT_LINK_WHITE_LIST FALSE // Default RSSI polling period in ms #define DEFAULT_RSSI_PERIOD 1000 // Whether to enable automatic parameter update request when a connection is formed #define DEFAULT_ENABLE_UPDATE_REQUEST FALSE // Minimum connection interval (units of 1.25ms) if automatic parameter update request is enabled #define DEFAULT_UPDATE_MIN_CONN_INTERVAL 400 // Maximum connection interval (units of 1.25ms) if automatic parameter update request is enabled #define DEFAULT_UPDATE_MAX_CONN_INTERVAL 800 // Slave latency to use if automatic parameter update request is enabled #define DEFAULT_UPDATE_SLAVE_LATENCY 0 // Supervision timeout value (units of 10ms) if automatic parameter update request is enabled #define DEFAULT_UPDATE_CONN_TIMEOUT 600 // Default passcode #define DEFAULT_PASSCODE 19655 // Default GAP pairing mode #define DEFAULT_PAIRING_MODE GAPBOND_PAIRING_MODE_WAIT_FOR_REQ // Default MITM mode (TRUE to require passcode or OOB when pairing) #define DEFAULT_MITM_MODE FALSE // Default bonding mode, TRUE to bond #define DEFAULT_BONDING_MODE TRUE // Default GAP bonding I/O capabilities #define DEFAULT_IO_CAPABILITIES GAPBOND_IO_CAP_DISPLAY_ONLY // Default service discovery timer delay in ms #define DEFAULT_SVC_DISCOVERY_DELAY 1000 // TRUE to filter discovery results on desired service UUID #define DEFAULT_DEV_DISC_BY_SVC_UUID TRUE // Application states enum { BLE_STATE_IDLE, BLE_STATE_CONNECTING, BLE_STATE_CONNECTED, BLE_STATE_DISCONNECTING }; // Discovery states enum { BLE_DISC_STATE_IDLE, // Idle BLE_DISC_STATE_SVC, // Service discovery BLE_DISC_STATE_CHAR // Characteristic discovery }; /********************************************************************* * TYPEDEFS */ /********************************************************************* * GLOBAL VARIABLES */ /********************************************************************* * EXTERNAL VARIABLES */ /********************************************************************* * EXTERNAL FUNCTIONS */ /********************************************************************* * LOCAL VARIABLES */ // Task ID for internal task/event processing static uint8 simpleBLETaskId; // GAP GATT Attributes static const uint8 simpleBLEDeviceName[GAP_DEVICE_NAME_LEN] = "Simple BLE Central"; // Number of scan results and scan result index static uint8 simpleBLEScanRes; static uint8 simpleBLEScanIdx; // Scan result list static gapDevRec_t simpleBLEDevList[DEFAULT_MAX_SCAN_RES]; // Scanning state static uint8 simpleBLEScanning = FALSE; // RSSI polling state static uint8 simpleBLERssi = FALSE; // Connection handle of current connection static uint16 simpleBLEConnHandle = GAP_CONNHANDLE_INIT; // Application state static uint8 simpleBLEState = BLE_STATE_IDLE; // Discovery state static uint8 simpleBLEDiscState = BLE_DISC_STATE_IDLE; // Discovered service start and end handle static uint16 simpleBLESvcStartHdl = 0; static uint16 simpleBLESvcEndHdl = 0; // Discovered characteristic handle static uint16 simpleBLECharHdl = 0; // Value to write static uint8 simpleBLECharVal = 0; // Value read/write toggle static bool simpleBLEDoWrite = FALSE; // GATT read/write procedure state static bool simpleBLEProcedureInProgress = FALSE; /********************************************************************* * LOCAL FUNCTIONS */ static void simpleBLECentralProcessGATTMsg( gattMsgEvent_t *pMsg ); static void simpleBLECentralRssiCB( uint16 connHandle, int8 rssi ); static void simpleBLECentralEventCB( gapCentralRoleEvent_t *pEvent ); static void simpleBLECentralPasscodeCB( uint8 *deviceAddr, uint16 connectionHandle, uint8 uiInputs, uint8 uiOutputs ); static void simpleBLECentralPairStateCB( uint16 connHandle, uint8 state, uint8 status ); static