火災(zāi)報警系統(tǒng)設(shè)計

1、zigbee綜合實踐課程設(shè)計：基于zigbee的火災(zāi)報警系統(tǒng)計算機科學(xué)與技術(shù)學(xué)院ZigBee綜合實踐課程設(shè)計報告設(shè)計題目： 基于zigbee的火災(zāi)報警系統(tǒng) 設(shè)計人員：程 念 學(xué)號：123921036 指導(dǎo)教師： 王 忠 友 2015年4月 目錄摘要IABSTRACTII1設(shè)計目標12設(shè)計內(nèi)容13設(shè)計方案24實驗所需器件35實驗各模塊電路設(shè)計35.1 核心板模塊35.2 傳感器模塊46實驗設(shè)計66.1目的66.2 系統(tǒng)原理圖66.3完成實物圖97調(diào)試與結(jié)果107.1核心代碼107.2上位機測試128設(shè)計總結(jié)：（成員作用與體會）139附件1310成績報告24基于zigbee的火災(zāi)報警系統(tǒng)摘要隨著經(jīng)

2、濟的發(fā)展，高層建筑、地下建筑以及大型綜合性建筑日益增多火災(zāi)隱患也隨之增加，火災(zāi)發(fā)生的數(shù)量及其造成的損失都呈逐年上升趨勢，因此，火災(zāi)報警系統(tǒng)成為保障人生命財產(chǎn)安全的重要因素。而目前我國的火災(zāi)報警系統(tǒng)主要是總線型報警系統(tǒng)，由于外界環(huán)境因素的影響不可避免的會存在一定的誤報率和漏報率，而且安裝和維修成本很高。伴隨著ZigBee技術(shù)的出現(xiàn)和發(fā)展，它使無線型火災(zāi)報警系統(tǒng)成為了可能，基于網(wǎng)絡(luò)化的火災(zāi)報警系統(tǒng)具有成本低、安裝方便、穩(wěn)定性高的特點。ZigBee具有短時延和數(shù)據(jù)傳輸可靠的獨特優(yōu)勢，它更適合于火災(zāi)報警系統(tǒng)中。本設(shè)計以CC2530為核心控制芯片，采用Z-Stack協(xié)議棧作為協(xié)議平臺組成一個小型的Zig

3、Bee網(wǎng)絡(luò)，系統(tǒng)由一個協(xié)調(diào)器設(shè)備和一個終端設(shè)備組成一個小型網(wǎng)絡(luò)。終端設(shè)備作為傳感器節(jié)點采集溫度、煙霧數(shù)據(jù)，將終端設(shè)備放在室內(nèi)的不同地方，將采集到的數(shù)據(jù)無線傳輸?shù)絽f(xié)調(diào)器節(jié)點，通過串口將各個傳感器節(jié)點的信息傳輸?shù)缴衔粰C，上位機用VB編寫，完成數(shù)據(jù)的顯示和儲存，基本上實現(xiàn)了家庭火災(zāi)報警系統(tǒng)所應(yīng)有的功能?！娟P(guān)鍵詞】 ZigBee 火災(zāi)報警 CC2530Z-Stack協(xié)議棧 IIABSTRACTWith the development of economy, high-rise buildings, underground structures and increasingly large compre

4、hensive buildings, the fire hazard also will increase, the number of fires and the damage caused by rising trend year by year, as a result, fire alarm system become the important factor of people life and property security. And fire alarm system in our country at present is mainly form alarm system,

5、 because of the influence of the external environment factors, there are inevitably some non-response rates and the rate of false positives, and installation and maintenance cost is very high. Accompanied by the emergence and development of ZigBee technology, it makes no linear fire alarm system, fi

6、re alarm system based on network has characteristics of low cost, easy installation, high stability. ZigBee has the unique advantages of short time delay and data transmission is reliable, it is more suitable for fire alarm system. CC2530 this design as the core control chip, using Z - Stack protoco

7、l Stack as deal platform, forming a small ZigBee network and system consists of a coordinator and a terminal equipment of a small network. Terminal equipment as the data collection temperature, smoke sensor node, terminal equipment in different parts of the interior, the collected data wireless tran

8、smission to the coordinator node, through a serial port to transmit information of each sensor node to PC, PC written in LabVIEW software, complete the data display and storage, basically realized the function of fire alarm system of the family should have.【Keywords】ZigBee , Fire alarm ,CC2530 Z - S

9、tack protocol Stack; II1設(shè)計目標本次設(shè)計要求能通過zigbee終端節(jié)點上火焰?zhèn)鞲衅鞑杉鹁畔?，并將采集?shù)據(jù)實時發(fā)送給協(xié)調(diào)器，檢測是否有火災(zāi)發(fā)生，并且通過VB上位機顯示出來；同時要求學(xué)生對CC2530芯片編程和zigbee協(xié)議棧有相當(dāng)程度的理解以及熟練的應(yīng)用，熟悉ZigBee串口以及中斷的使用，會基本的C語言熟練掌握IAR FOR 8051軟件的使用與程序下載。2設(shè)計內(nèi)容（1） 利用zigbee核心板，用AD設(shè)計好電路板，搭建好硬件環(huán)境，調(diào)試好火焰?zhèn)鞲衅鳎唬?） 將火焰?zhèn)鞲衅髯鳛楣?jié)點采用廣播方式加入到zigbee協(xié)調(diào)器網(wǎng)絡(luò)中；（3） 編寫并調(diào)試程序，并分別下載到協(xié)調(diào)器和

10、終端節(jié)點，并將協(xié)調(diào)器串口鏈接到電腦，實現(xiàn)VB上位機顯示火警狀態(tài)，設(shè)計完成。開始傳感器，串口初始化檢測串口受到數(shù)據(jù)否是保持監(jiān)聽協(xié)調(diào)器判斷傳感器狀態(tài)（是：有火災(zāi) 否：無火災(zāi)）發(fā)往上層2.1系統(tǒng)組成框圖3設(shè)計方案(1) CC2530芯片做接收信息設(shè)備和控制設(shè)備。(2) ZigBee終端設(shè)備和協(xié)調(diào)器組網(wǎng)成功通信。(3) 終端設(shè)備監(jiān)測傳感器狀態(tài)，并實時傳給協(xié)調(diào)器。(4) 協(xié)調(diào)器獲取傳感器狀態(tài)，并做出處理，同時VB上位機展示。4實驗所需器件（1） 核心板，此處采用CC2530核心板（2） 火焰?zhèn)鞲衅髂K，及各種常用元器件（3） ZigBee核心板和JLINK下載模塊及其相關(guān)的驅(qū)動（4） 杜邦線若干，電池若

11、干（最好是可以充電的）5實驗各模塊電路設(shè)計5.1 核心板模塊（1）芯片的選擇：CC2530（2）芯片的介紹:*高性能、低功耗的 8051 微控制器內(nèi)核； *適應(yīng) 2.4GHz IEEE 802.15.4的RF 收發(fā)器； *電源電壓范圍寬（2.03.6V）； *看門狗、電池監(jiān)視器和溫度傳感器； *具有 8 路輸入 814 位 ADC； *2 個支持多種串行通信協(xié)議的 USART, 1 個紅外發(fā)生電路； *1 個通用的 16 位和 2 個 8 位定時器； 圖 5.1.3（4）實物圖： 圖 傳感器模塊（1）所用傳感器：火焰?zhèn)鞲衅?(2) 特點：1、 可以檢測火焰或者波長在760納米1

12、100納米范圍內(nèi)的光源，打火機測試火焰距離為80cm，對火焰越大，測試距離越遠2、 探測角度60度左右，對火焰光譜特別靈敏3 、靈敏度可調(diào)（圖中藍色數(shù)字電位器調(diào)節(jié)）4、比較器輸出，信號干凈，波形好，驅(qū)動能力強，超過15mA5、配可調(diào)精密電位器調(diào)節(jié)靈敏度6、工作電壓3.3V-5V7、輸出形式 ：數(shù)字開關(guān)量輸出（0和1）8、設(shè)有固定螺栓孔，方便安裝9、小板PCB尺寸：3.2cm x 1.4cm10、使用寬電壓LM393比較器(3傳感器使用說明：1 .火焰?zhèn)鞲衅鲗鹧孀蠲舾?，對普通光也是有反?yīng)的，一般用做火焰報警等用途。2. 小板輸出接口可以與單片機IO口直接相連，有火災(zāi)輸出低電平正常輸出高電平3.

13、傳感器與火焰要保持一定距離，以免高溫損壞傳感器，對打火機測試火焰距離 為80cm，對火焰越大，測試距離越遠 圖5.2.3(4)實物圖： 圖 5.2.46實驗設(shè)計6.1目的熟悉基于zigbee的控制系統(tǒng)的使用，為今后進一步學(xué)習(xí)物聯(lián)網(wǎng)無線傳感網(wǎng)打下基礎(chǔ)。6.2 系統(tǒng)原理圖圖6.2.1終端節(jié)點原理圖圖6.2.2 終端節(jié)點PCB圖6.2.3協(xié)調(diào)器原理圖6.2.4協(xié)調(diào)器PCB圖6.3完成實物圖圖6.3.1 正視圖圖6.3.2底面圖7調(diào)試與結(jié)果7.1核心代碼7.1.1 初始化部分，串口初始化，登記串口任務(wù)號，傳感器接口初始化7.1.2 火災(zāi)判斷部分7.1.3 發(fā)送部分7.1.4 接收并串口打印部分7.2上

14、位機測試(1)班級總控界面如下，在程念組里面就可以實時觀察火焰?zhèn)鞲衅鳡顟B(tài)。圖 7.28設(shè)計總結(jié)：通過這次實踐課程，通過親自動手，從最初確定課題，到畫設(shè)計PCB，到印刷電路板，到焊接元器件，到測試電路，到調(diào)試程序，經(jīng)過了反復(fù)的修改和實踐，終于完成課題，一路走來，確實很不易。畫PCB，制板，編程，調(diào)試等各方面能力都得到了提升.9附件應(yīng)用層源碼：#include "OSAL.h"#include "ZGlobals.h"#include "AF.h"#include "aps_groups.h"#include &quo

15、t;ZDApp.h"#include "SampleApp.h"#include "SampleAppHw.h"#include "OnBoard.h"/* HAL */#include "hal_lcd.h"#include "hal_led.h"#include "hal_key.h"#include "MT_UART.h" /此處用于串口/定義IO#define LED1 P0_0 /LED提醒#define fire P0_6 /傳感器檢

16、測口/* * MACROS */* * CONSTANTS */* * TYPEDEFS */* * GLOBAL VARIABLES */ This list should be filled with Application specific Cluster IDs.const cId_t SampleApp_ClusterListSAMPLEAPP_MAX_CLUSTERS = SAMPLEAPP_PERIODIC_CLUSTERID, SAMPLEAPP_FLASH_CLUSTERID;const SimpleDescriptionFormat_t SampleApp_SimpleDe

17、sc = SAMPLEAPP_ENDPOINT, / int Endpoint; SAMPLEAPP_PROFID, / uint16 AppProfId2; SAMPLEAPP_DEVICEID, / uint16 AppDeviceId2; SAMPLEAPP_DEVICE_VERSION, / int AppDevVer:4; SAMPLEAPP_FLAGS, / int AppFlags:4; SAMPLEAPP_MAX_CLUSTERS, / uint8 AppNumInClusters; (cId_t *)SampleApp_ClusterList, / uint8 *pAppIn

18、ClusterList; SAMPLEAPP_MAX_CLUSTERS, / uint8 AppNumInClusters; (cId_t *)SampleApp_ClusterList / uint8 *pAppInClusterList;/ This is the Endpoint/Interface description. It is defined here, but/ filled-in in SampleApp_Init(). Another way to go would be to fill/ in the structure here and make it a "

19、;const" (in code space). The/ way it's defined in this sample app it is define in RAM.endPointDesc_t SampleApp_epDesc;/* * EXTERNAL VARIABLES */* * EXTERNAL FUNCTIONS */* * LOCAL VARIABLES */uint8 SampleApp_TaskID; / Task ID for internal task/event processing / This variable will be receive

20、d when / SampleApp_Init() is called.devStates_t SampleApp_NwkState;uint8 SampleApp_TransID; / This is the unique message ID (counter)afAddrType_t SampleApp_Periodic_DstAddr;/廣播afAddrType_t SampleApp_Flash_DstAddr; /組播afAddrType_t Point_To_Point_DstAddr;/網(wǎng)蜂點對點通信定義aps_Group_t SampleApp_Group;uint8 Sam

21、pleAppPeriodicCounter = 0;uint8 SampleAppFlashCounter = 0;/* * LOCAL FUNCTIONS */void SampleApp_HandleKeys( uint8 shift, uint8 keys );void SampleApp_MessageMSGCB( afIncomingMSGPacket_t *pckt );void SampleApp_SendPeriodicMessage( void );void SampleApp_SendFlashMessage( uint16 flashTime );void SampleA

22、pp_SendPeriodicMessage1( void ); /正常 周期性廣播函數(shù)聲明void SampleApp_SendPeriodicMessage2( void ); /有火災(zāi)！/void SampleApp_SendPeriodicMessage3( void ); /void SampleApp_SendPeriodicMessage4( void ); /* * NETWORK LAYER CALLBACKS */* * PUBLIC FUNCTIONS */* * fn SampleApp_Init * * brief Initialization function fo

23、r the Generic App Task. * This is called during initialization and should contain * any application specific initialization (ie. hardware * initialization/setup, table initialization, power up * notificaiton . ). * * param task_id - the ID assigned by OSAL. This ID should be * used to send messages

24、and set timers. * * return none */void SampleApp_Init( uint8 task_id ) SampleApp_TaskID = task_id;/ task_id is Pointer to location of the Application task ID. SampleApp_NwkState = DEV_INIT; SampleApp_TransID = 0; / This is the unique message ID (counter) MT_UartInit();/串口初始化 MT_UartRegisterTaskID(ta

25、sk_id);/登記任務(wù)號 /*火災(zāi)探測傳感器電路初始化*/ P0SEL &= 0X40; /設(shè)置P0.6為普通IO口 P0DIR &= 0X40; / 在P0.6口，設(shè)置為輸入模式 P0INP &= 0x40; /打開P0.6上拉電阻 / Device hardware initialization can be added here or in main() (Zmain.c). / If the hardware is application specific - add it here. / If the hardware is other parts of t

26、he device add it in main(). #if defined ( BUILD_ALL_DEVICES ) / The "Demo" target is setup to have BUILD_ALL_DEVICES and HOLD_AUTO_START / We are looking at a jumper (defined in SampleAppHw.c) to be jumpered / together - if they are - we will start up a coordinator. Otherwise, / the device

27、 will start as a router. if ( readCoordinatorJumper() ) zgDeviceLogicalType = ZG_DEVICETYPE_COORDINATOR; else zgDeviceLogicalType = ZG_DEVICETYPE_ROUTER;#endif / BUILD_ALL_DEVICES#if defined ( HOLD_AUTO_START ) / HOLD_AUTO_START is a compile option that will surpress ZDApp / from starting the device

28、 and wait for the application to / start the device. ZDOInitDevice(0);#endif / Setup for the periodic message's destination address / Broadcast to everyone 廣播參數(shù)配置 SampleApp_Periodic_DstAddr.addrMode = (afAddrMode_t)AddrBroadcast; SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT; SampleAp

29、p_Periodic_DstAddr.addr.shortAddr = 0xFFFF; /*0xFFFF數(shù)據(jù)包將被傳送到網(wǎng)絡(luò)上的所有設(shè)備， 包括睡眠中的設(shè)備。對于睡眠中的設(shè)備，數(shù)據(jù)包將被保留在其父親節(jié)點直到查詢 到它，或者消息超時。 0xFFFD數(shù)據(jù)包將被傳送到網(wǎng)絡(luò)上的所有在空閑時 打開接收的設(shè)備(RXONWHENIDLE)，也就是說，除了睡眠中的所有設(shè)備。 0xFFFC數(shù)據(jù)包發(fā)送給所有的路由器，包括協(xié)調(diào)器。*/ / Setup for the flash command's destination address - Group 1 組播 SampleApp_Flash_DstAdd

30、r.addrMode = (afAddrMode_t)afAddrGroup; SampleApp_Flash_DstAddr.endPoint = SAMPLEAPP_ENDPOINT; SampleApp_Flash_DstAddr.addr.shortAddr = SAMPLEAPP_FLASH_GROUP; / Fill out the endpoint description. SampleApp_epDesc.endPoint = SAMPLEAPP_ENDPOINT; SampleApp_epDesc.task_id = &SampleApp_TaskID; Sample

31、App_epDesc.simpleDesc = (SimpleDescriptionFormat_t *)&SampleApp_SimpleDesc; SampleApp_epDesc.latencyReq = noLatencyReqs; / Register the endpoint description with the AF afRegister( &SampleApp_epDesc ); / Register for all key events - This app will handle all key events RegisterForKeys( Sampl

32、eApp_TaskID ); / By default, all devices start out in Group 1 SampleApp_Group.ID = 0x0001; osal_memcpy( SampleApp_G, "Group 1", 7 ); aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group );#if defined ( LCD_SUPPORTED ) HalLcdWriteString( "SampleApp", HAL_LCD_LINE_1 );#e

33、ndif/* * fn SampleApp_ProcessEvent * * brief Generic Application Task event processor. This function * is called to process all events for the task. Events * include timers, messages and any other user defined events. * * param task_id - The OSAL assigned task ID. * param events - events to process.

34、 This is a bit map and can * contain more than one event. * * return none */uint16 SampleApp_ProcessEvent( uint8 task_id, uint16 events ) afIncomingMSGPacket_t *MSGpkt; (void)task_id; / Intentionally unreferenced parameter if ( events & SYS_EVENT_MSG ) MSGpkt = (afIncomingMSGPacket_t *)osal_msg_

35、receive( SampleApp_TaskID ); while ( MSGpkt ) switch ( MSGpkt->hdr.event ) / Received when a key is pressed case KEY_CHANGE:/按鍵觸發(fā)事件 SampleApp_HandleKeys( (keyChange_t *)MSGpkt)->state, (keyChange_t *)MSGpkt)->keys ); break; / Received when a messages is received (OTA) for this endpoint case

36、 AF_INCOMING_MSG_CMD:/接收數(shù)據(jù)事件 SampleApp_MessageMSGCB( MSGpkt ); break; / Received whenever the device changes state in the network case ZDO_STATE_CHANGE:/設(shè)備狀態(tài)變化事件 SampleApp_NwkState = (devStates_t)(MSGpkt->hdr.status); if ( (SampleApp_NwkState = DEV_ZB_COORD)| /協(xié)調(diào)器、路由器 (SampleApp_NwkState = DEV_RO

37、UTER) /或者終端都執(zhí)行 | (SampleApp_NwkState = DEV_END_DEVICE) ) / Start sending the periodic message in a regular interval. osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT, SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT ); else / Device is no longer in the network break; default: break; / Releas

38、e the memory釋放Flash osal_msg_deallocate( (uint8 *)MSGpkt ); / Next - if one is available MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( SampleApp_TaskID ); / return unprocessed events return (events SYS_EVENT_MSG); / Send a message out - This event is generated by a timer / (setup in SampleApp_

39、Init(). if ( events & SAMPLEAPP_SEND_PERIODIC_MSG_EVT ) /周期性發(fā)送函數(shù) if(fire=1) SampleApp_SendPeriodicMessage1(); /正常，無火災(zāi) else if(fire=0) SampleApp_SendPeriodicMessage2(); /有火災(zāi)！ / Send the periodic message / SampleApp_SendPeriodicMessage(); / Setup to send message again in normal period (+ a little

40、jitter) osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT, (SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT + (osal_rand() & 0x00FF) ); / return unprocessed events return (events SAMPLEAPP_SEND_PERIODIC_MSG_EVT); / Discard unknown events return 0;/* * Event Generation Functions */* * fn

41、SampleApp_HandleKeys * * brief Handles all key events for this device. * * param shift - true if in shift/alt. * param keys - bit field for key events. Valid entries: * HAL_KEY_SW_2 * HAL_KEY_SW_1 * * return none */void SampleApp_HandleKeys( uint8 shift, uint8 keys ) (void)shift; / Intentionally unr

42、eferenced parameter if ( keys & HAL_KEY_SW_1 ) /* This key sends the Flash Command is sent to Group 1. * This device will not receive the Flash Command from this * device (even if it belongs to group 1). */ SampleApp_SendFlashMessage( SAMPLEAPP_FLASH_DURATION );/向flash發(fā)送數(shù)據(jù) if ( keys & HAL_KE

43、Y_SW_2 ) /* The Flashr Command is sent to Group 1. * This key toggles this device in and out of group 1. * If this device doesn't belong to group 1, this application * will not receive the Flash command sent to group 1. */ aps_Group_t *grp; grp = aps_FindGroup( SAMPLEAPP_ENDPOINT, SAMPLEAPP_FLAS

44、H_GROUP ); if ( grp ) / Remove from the group aps_RemoveGroup( SAMPLEAPP_ENDPOINT, SAMPLEAPP_FLASH_GROUP ); else / Add to the flash group aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group ); /* * LOCAL FUNCTIONS */* * fn SampleApp_MessageMSGCB * * brief Data message processor callback. This fun

45、ction processes * any incoming data - probably from other devices. So, based * on cluster ID, perform the intended action. * * param none * * return none */void SampleApp_MessageMSGCB( afIncomingMSGPacket_t *pkt )/接收一個信息包 uint16 flashTime; switch ( pkt->clusterId ) case SAMPLEAPP_CHENGNIAN_ID:/默認接收接收ID為自定義廣播傳輸編號 / HalUARTWrite(0,"Welcome to the Fire alarm system！-Chengniann",46);/串口打印測試 HalUARTWrite(0,&pkt->cmd.Data0,5); /打印受到數(shù)據(jù) HalUARTWrite(0,"