目錄

• mainPro.c（主函數）
• 指令工廠
• • inputCommand.h
  • voiceControl.c（語音控制）
  • socketControl.c（網絡線程）
• 控制工廠
• • contrlEquipments.h
  • bathroomLight.c（浴室燈）
  • secondfloorLight.c（二樓燈）
  • livingroomLight.c（客廳燈）
  • restaurantLight.c（餐廳燈）
  • fireDetection.c（火焰傳感器）
  • buzzer.c 文件（蜂鳴器）
• 測試驗證
• 往期文章

mainPro.c（主函數）

#include <stdio.h> #include <string.h> #include "contrlEquipments.h" #include "inputCommand.h" #include <pthread.h> #include <unistd.h>struct Equipment *findEquipByName(char *name,struct Equipment *phead); //一些函數聲明 struct Command *findCommandByName(char *name,struct Command *phead); void *voiceControlThread(void *data); void *socketControlThread(void *data); void *socketReadThread(void *data); void *fireAlarmThread(void *data);struct Equipment *equiphead = NULL; //設備工廠鏈表頭節點 struct Command *cmdhead = NULL; //指令控制工廠鏈表節點頭 struct Command *socketHandler = NULL; //“網絡控制線程”執行的函數使用到的全局變量int main() {if(wiringPiSetup() == -1){ //使用wiringPi庫需要初始化printf("wiringPiSetup failed!\n");return -1; }pthread_t voiceControl_thread;pthread_t socketControl_thread;pthread_t fireAlarm_thread;//1、設備工廠初始化equiphead = addBathroomLightToEquipmentLink(equiphead); //各設備加入設備工廠equiphead = addSecondfloorLightToEquipmentLink(equiphead); equiphead = addLivingroomLightToEquipmentLink(equiphead);equiphead = addRestaurantLightToEquipmentLink(equiphead);equiphead = addFireDetectionToEquipmentLink(equiphead);equiphead = addBuzzerToEquipmentLink(equiphead);struct Equipment *tmpequiphead = equiphead;while(tmpequiphead != NULL){ //設備工廠所有設備初始化tmpequiphead->Init(tmpequiphead->pinNum);tmpequiphead = tmpequiphead->next;}//2、指令工廠初始化cmdhead = addVoiceControlToCommandLink(cmdhead); //各指令控制加入指令控制工廠cmdhead = addSocketControlToCommandLink(cmdhead);//3、線程池建立//3.1 語音線程 //int pthread_create(pthread_t *restrict tidp, const pthread_attr_t *restrict attr, void *(*start_rtn)(void *), void *restrict arg); pthread_create(&voiceControl_thread,NULL,voiceControlThread,NULL); //創建線程：語音控制//3.2 網絡線程 pthread_create(&socketControl_thread,NULL,socketControlThread,NULL); //創建線程：網絡控制//3.3 火災線程 pthread_create(&fireAlarm_thread,NULL,fireAlarmThread,NULL); //創建線程：火災報警系統//3.4 攝像頭線程 pthread_join(voiceControl_thread, NULL); //主函數等待線程退出pthread_join(socketControl_thread, NULL); //主函數等待線程退出pthread_join(fireAlarm_thread, NULL); //主函數等待線程退出return 0; }void *voiceControlThread(void *data) //“語音控制線程”執行的函數 {int nread;char *temName = NULL;struct Command *voiceHandler = NULL;struct Equipment *linkHandler;voiceHandler = findCommandByName("voiceControl",cmdhead); //尋找“語音控制”所在節點，返回給voiceHandlerif(voiceHandler == NULL){printf("find voiceHandler error\n");pthread_exit(NULL);}if(voiceHandler->Init(voiceHandler) < 0){ //“語音控制”功能初始化printf("voiceControl init error\n");pthread_exit(NULL);}while(1){nread = voiceHandler->getCommand(voiceHandler); //獲取指令if(nread == 0){ //沒有獲取到指令printf("No voiceCommand received\n");}else{ //獲取到指令printf("Get voice command:%s\n",voiceHandler->command);//以下為根據不用指令執行相應操作//語音模塊串口傳出來的后面帶\r\n，不加對比不出來if(strcmp("kysd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->open(linkHandler->pinNum);printf("已打開浴室燈\n");}if(strcmp("gysd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->close(linkHandler->pinNum);printf("已關閉浴室燈\n");}if(strcmp("keld\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("geld\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kktd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gktd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kctd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gctd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kqbd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gqbd\r\n",voiceHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->close(linkHandler->pinNum);}}} }void *socketControlThread(void *data) //“網絡控制線程”執行的函數 {int c_fd;struct sockaddr_in c_addr;memset(&c_addr,0,sizeof(struct sockaddr_in));socklen_t clen = sizeof(struct sockaddr_in);pthread_t socketRead_thread; //線程里面套線程，網絡連接后信息通信socketHandler = findCommandByName("socketControl",cmdhead); //尋找“網絡控制”所在節點，返回給socketHandlerif(socketHandler == NULL){printf("find socketHandler error\n");pthread_exit(NULL);}if(socketHandler->Init(socketHandler) < 0){ //“網絡控制”功能初始化printf("socketControl init error\n");pthread_exit(NULL);}while(1){c_fd = accept(socketHandler->s_fd,(struct sockaddr*)&c_addr,&clen); //接收連接請求，阻塞至有客戶端完成三次握手socketHandler->fd = c_fd; //將套接字描述符返回給“網絡控制”鏈表節點pthread_create(&socketRead_thread,NULL,socketReadThread,NULL); //創建新線程：用于讀取TCP端口指令 //只要有連接，就創建線程去對接。線程共用內存資源，同一時刻，所有設備只有一種狀態。也可PV操作 //所有線程 只操控一個結構體 再新來一個線程(新手機客戶端接入) 前一個客戶端失效 因為c_fd被改了。fork()可實現多個客戶端同時控制 //不過好像寄存器和內存不是完全同步的 可能緩存沒改？還可以多個客戶端同時控制？ //如果直接把socketReadThread()拿過來循環的話，則同時刻不能接受新的客戶端接入了，因為循環卡在了socketReadThread()函數里面了} }void *socketReadThread(void *data) //“讀取tcp端口指令線程”執行的函數 {int nread;struct Equipment *linkHandler;//這里沒加while循環，客戶端只能發送一次printf("socketConnect...");while(1){memset(socketHandler->command,'\0',sizeof(socketHandler->command)); //將指令存放的空間置空nread = read(socketHandler->fd,socketHandler->command,sizeof(socketHandler->command)); //讀取指令if(nread == 0){printf("No socketCommand received\n"); //沒有讀取到指令}else{printf("Get socketCommand:%s\n",socketHandler->command); //讀取到指令//以下為根據不用指令執行相應操作if(strcmp("kysd",socketHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gysd",socketHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("keld",socketHandler->command) == 0){linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("geld",socketHandler->command) == 0){linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kktd",socketHandler->command) == 0){linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gktd",socketHandler->command) == 0){linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kctd",socketHandler->command) == 0){linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gctd",socketHandler->command) == 0){linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->close(linkHandler->pinNum);}if(strcmp("kqbd",socketHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->open(linkHandler->pinNum);linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->open(linkHandler->pinNum);}if(strcmp("gqbd",socketHandler->command) == 0){linkHandler = findEquipByName("bathroomLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("secondfloorLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("livingroomLight",equiphead);linkHandler->close(linkHandler->pinNum);linkHandler = findEquipByName("restaurantLight",equiphead);linkHandler->close(linkHandler->pinNum);}}} }void *fireAlarmThread(void *data) //“火災報警器線程”執行的函數 {int status;struct Equipment *firetmp = NULL;struct Equipment *buztmp = NULL;firetmp = findEquipByName("fireDetection",equiphead); //尋找“火焰傳感器”鏈表節點，返回給firetmpbuztmp = findEquipByName("buzzer",equiphead); //尋找“蜂鳴器”鏈表節點，返回給buztmpwhile(1){status = firetmp->readStatus(firetmp->pinNum); //讀取“火焰傳感器”狀態if(status == 0){ //檢測到火焰或強光源buztmp->open(buztmp->pinNum); //打開蜂鳴器delay(1000); //延時1000毫秒=1秒}if(status == 1){ //未檢測到火焰、強光源或解除警報buztmp->close(buztmp->pinNum); //關閉蜂鳴器}} }struct Equipment *findEquipByName(char *name,struct Equipment *phead) //根據名字尋找設備工廠鏈表鏈節函數，并返回鏈節 {struct Equipment *tmp = phead;if(phead == NULL){return NULL;}while(tmp != NULL){if(strcmp(name,tmp->equipName) == 0){return tmp;}tmp = tmp->next;}return NULL; }struct Command *findCommandByName(char *name,struct Command *phead) //根據名字尋找指令控制工廠鏈表鏈節函數，并返回鏈節 {struct Command *tmp = phead;if(phead == NULL){return NULL;}while(tmp != NULL){if(strcmp(name,tmp->commandName) == 0){return tmp;}tmp = tmp->next;}return NULL; }

指令工廠

inputCommand.h

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <wiringPi.h> #include <wiringSerial.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h>struct Command //指令控制工廠鏈表節點定義 {char commandName[128]; //“控制方式”名字char deviceFilesName[128]; //存放初始化功能需要打開的文件的路徑char command[32]; //存放指令int fd; //存放文件描述符 用于串口/客戶端fdint (*Init)(struct Command *file); //“初始化”函數指針int s_fd; //存放套接字描述符char ipAdress[32]; //存放IP地址char port[12]; //存放端口號int (*getCommand)(struct Command *cmd); //“獲取指令”函數指針char log[1024]; //日志（暫未使用）struct Command *next; };struct Command *addVoiceControlToCommandLink(struct Command *phead); //“語音控制”加入指令控制工廠鏈表函數聲明 struct Command *addSocketControlToCommandLink(struct Command *phead); //“網絡控制”加入指令控制工廠鏈表函數聲明

voiceControl.c（語音控制）

#include "inputCommand.h" #include <unistd.h>int voiceControlInit(struct Command *file); //“語音控制”功能初始化函數聲明 int voiceControlGetCommand(struct Command *cmd); //“獲取指令”函數聲明 //struct Command *addVoiceControlToLink(struct Command *phead); //“語音控制”加入指令控制工廠鏈表函數聲明struct Command voiceControl = { //“語音控制”鏈表節點.commandName = "voiceControl",.deviceFilesName = "/dev/ttyAMA0",.command = {'\0'},.Init = voiceControlInit, //這里只是定義，還未調用改函數.getCommand = voiceControlGetCommand,.log = {'\0'}, };int voiceControlInit(struct Command *file) {int fd;if((fd = serialOpen(file->deviceFilesName,9600)) == -1){ //打開樹莓派串口，波特率為9600exit(-1);}file->fd = fd; //打開串口文件成功，返回“文件描述符”到“語音控制”鏈表節點中 }int voiceControlGetCommand(struct Command *cmd) //“獲取指令”函數 {int nread = 0;memset(cmd->command,'\0',sizeof(cmd->command)); //防止老的消息影響新的消息nread = read(cmd->fd,cmd->command,sizeof(cmd->command)); //返回讀取到數據的字節數return nread; }struct Command *addVoiceControlToCommandLink(struct Command *phead) //頭插法將“語音控制”鏈表節點加入指令控制工廠鏈表函數 {if(phead == NULL){return &voiceControl;}else{voiceControl.next = phead;phead = &voiceControl;return phead;} }

socketControl.c（網絡線程）

#include "inputCommand.h" #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <string.h> #include <unistd.h>int socketControlInit(struct Command *file); //“網絡控制”功能初始化函數聲明 //struct Command *addSocketControlToLink(struct Command *phead); //“網絡控制”加入指令控制工廠鏈表函數聲明struct Command socketControl = { //“網絡控制”鏈表節點.commandName = "socketControl",.command = {'\0'},.Init = socketControlInit,.ipAdress = "192.168.0.19", //樹莓派連接網絡時的IP地址.port = "8088", //樹莓派打開待外界連接的端口號.log = {'\0'}, };int socketControlInit(struct Command *file) {int s_fd; //套接字描述符struct sockaddr_in s_addr;memset(&s_addr,0,sizeof(struct sockaddr_in));s_fd = socket(AF_INET,SOCK_STREAM,0); //創建套接字if(s_fd == -1){ //創建套接字失敗時perror("socketControl error");exit(-1);}s_addr.sin_family = AF_INET;s_addr.sin_port = htons(atoi(file->port));inet_aton(file->ipAdress,&s_addr.sin_addr);if(bind(s_fd,(struct sockaddr*)&s_addr,sizeof(struct sockaddr_in)) == -1){ //套接字與端口號綁定perror("bind error");exit(-1);}if(listen(s_fd,10) == -1){ //打開監聽 accept放到主函數線程里perror("listen error");exit(-1);}file->s_fd = s_fd; //套接字描述符返回到“網絡控制”鏈表節點 }struct Command *addSocketControlToCommandLink(struct Command *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &socketControl;}else{socketControl.next = phead;phead = &socketControl;return phead;} }

控制工廠

contrlEquipments.h

#include <wiringPi.h> //wiringPi庫 #include <stdio.h> #include <stdlib.h>struct Equipment //設備工廠鏈表節點定義 {char equipName[128]; //設備名int pinNum; //引腳號int status; //“初始化設備”函數指針int (*Init)(int pinNum); //“打開設備”函數指針int (*open)(int pinNum); //“關閉設備”函數指針int (*close)(int pinNum);int (*readStatus)(int pinNum); //“讀取設備狀態”函數指針int (*changeStatus)(int status); //“改變設備狀態函數指針”struct Equipment *next; };struct Equipment *addBathroomLightToEquipmentLink(struct Equipment *phead); //“浴室燈”設備節點加入設備工廠鏈表函數聲明 struct Equipment *addSecondfloorLightToEquipmentLink(struct Equipment *phead); //“二樓燈”設備節點加入設備工廠鏈表函數聲明 struct Equipment *addLivingroomLightToEquipmentLink(struct Equipment *phead); //“客廳燈”設備節點加入設備工廠鏈表函數聲明 struct Equipment *addRestaurantLightToEquipmentLink(struct Equipment *phead); //“餐廳燈”設備節點加入設備工廠鏈表函數聲明 struct Equipment *addFireDetectionToEquipmentLink(struct Equipment *phead); //“火焰傳感器”設備節點加入設備工廠鏈表函數聲明 struct Equipment *addBuzzerToEquipmentLink(struct Equipment *phead); //“蜂鳴器”設備節點加入設備工廠鏈表函數聲明

bathroomLight.c（浴室燈）

#include "contrlEquipments.h"int bathroomLightInit(int pinNum); //一些函數聲明 int bathroomLightOpen(int pinNum); int bathroomLightClose(int pinNum); //struct Equipment *addBathroomLightToLink(struct Equipment *phead);struct Equipment bathroomLight = { //“浴室燈”設備鏈表節點.equipName = "bathroomLight",.pinNum = 26, //樹莓派gpio引腳21.Init = bathroomLightInit, .open = bathroomLightOpen,.close = bathroomLightClose, };int bathroomLightInit(int pinNum) //初始化函數 {pinMode(pinNum,OUTPUT); //配置引腳為輸出引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int bathroomLightOpen(int pinNum) //打開函數 {digitalWrite(pinNum,LOW); }int bathroomLightClose(int pinNum) //關閉函數 {digitalWrite(pinNum,HIGH); }struct Equipment *addBathroomLightToEquipmentLink(struct Equipment *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &bathroomLight;}else{bathroomLight.next = phead;phead = &bathroomLight;return phead;} }

secondfloorLight.c（二樓燈）

#include "contrlEquipments.h"int secondfloorLightInit(int pinNum); //一些函數聲明 int secondfloorLightOpen(int pinNum); int secondfloorLightClose(int pinNum);struct Equipment *addSecondfloorLightToEquipmentLink(struct Equipment *phead); struct Equipment secondfloorLight = { //“二樓燈”設備鏈表節點.equipName = "secondfloorLight",.pinNum = 27, //樹莓派gpio引腳22.Init = secondfloorLightInit,.open = secondfloorLightOpen,.close = secondfloorLightClose, // .changeStatus = secondfloorLightChangeStatus, };int secondfloorLightInit(int pinNum) //初始化函數 {pinMode(pinNum,OUTPUT); //配置引腳為輸出引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int secondfloorLightOpen(int pinNum) //打開函數 {digitalWrite(pinNum,LOW); }int secondfloorLightClose(int pinNum) //關閉函數 {digitalWrite(pinNum,HIGH); }struct Equipment *addSecondfloorLightToEquipmentLink(struct Equipment *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &secondfloorLight;}else{secondfloorLight.next = phead;phead = &secondfloorLight;return phead;} }

livingroomLight.c（客廳燈）

#include "contrlEquipments.h"int livingroomLightInit(int pinNum); //一些函數聲明 int livingroomLightOpen(int pinNum); int livingroomLightClose(int pinNum); //struct Equipment *addLivingroomLightToLink(struct Equipment *phead);struct Equipment livingroomLight = { //“客廳燈”設備鏈表節點.equipName = "livingroomLight",.pinNum = 28, //樹莓派gpio引腳23.Init = livingroomLightInit,.open = livingroomLightOpen,.close = livingroomLightClose, };int livingroomLightInit(int pinNum) //初始化函數 {pinMode(pinNum,OUTPUT); //配置引腳為輸出引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int livingroomLightOpen(int pinNum) //打開函數 {digitalWrite(pinNum,LOW); }int livingroomLightClose(int pinNum) //關閉函數 {digitalWrite(pinNum,HIGH); }struct Equipment *addLivingroomLightToEquipmentLink(struct Equipment *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &livingroomLight;}else{livingroomLight.next = phead;phead = &livingroomLight;return phead;} }

restaurantLight.c（餐廳燈）

#include "contrlEquipments.h"int restaurantLightInit(int pinNum); //一些函數聲明 int restaurantLightOpen(int pinNum); int restaurantLightClose(int pinNum); //struct Equipment *addRestaurantLightToLink(struct Equipment *phead);struct Equipment restaurantLight = { //“餐廳燈”設備鏈表節點.equipName = "restaurantLight",.pinNum = 29, //樹莓派gpio引腳24.Init = restaurantLightInit,.open = restaurantLightOpen,.close = restaurantLightClose, };int restaurantLightInit(int pinNum) //初始化函數 {pinMode(pinNum,OUTPUT); //配置引腳為輸出引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int restaurantLightOpen(int pinNum) //打開函數 {digitalWrite(pinNum,LOW); }int restaurantLightClose(int pinNum) //關閉函數 {digitalWrite(pinNum,HIGH); }struct Equipment *addRestaurantLightToEquipmentLink(struct Equipment *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &restaurantLight;}else{restaurantLight.next = phead;phead = &restaurantLight;return phead;} }

fireDetection.c（火焰傳感器）

#include "contrlEquipments.h"int fireDetectionInit(int pinNum); //一些函數聲明 int readFireDetectionStatus(int pinNum); //struct Equipment *addFireDetectionToLink(struct Equipment *phead);struct Equipment fireDetection = { //“火焰傳感器”設備鏈表節點.equipName = "fireDetection",.pinNum = 21, //樹莓派gpio引腳25.Init = fireDetectionInit,.readStatus = readFireDetectionStatus, };int fireDetectionInit(int pinNum) //初始化函數 {pinMode(pinNum,INPUT); //配置引腳為輸入引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int readFireDetectionStatus(int pinNum) //讀取“火焰傳感器”狀態函數 {return digitalRead(pinNum); }struct Equipment *addFireDetectionToEquipmentLink(struct Equipment *phead) {if(phead == NULL){return &fireDetection;}else{fireDetection.next = phead;phead = &fireDetection;return phead;} }

buzzer.c 文件（蜂鳴器）

#include "contrlEquipments.h"int buzzerInit(int pinNum); //一些函數聲明 int buzzerOpen(int pinNum); int buzzerClose(int pinNum); struct Equipment *addBuzzerToEquipmentLink(struct Equipment *phead);struct Equipment buzzer = { //“蜂鳴器”設備鏈表節點.equipName = "buzzer",.pinNum = 22, //樹莓派gpio引腳29.Init = buzzerInit,.open = buzzerOpen,.close = buzzerClose, };int buzzerInit(int pinNum) //初始化函數 {pinMode(pinNum,OUTPUT); //配置引腳為輸出引腳digitalWrite(pinNum,HIGH); //引腳輸出高電平，即默認為關閉狀態 }int buzzerOpen(int pinNum) //打開函數 {digitalWrite(pinNum,LOW); }int buzzerClose(int pinNum) //關閉函數 {digitalWrite(pinNum,HIGH); }struct Equipment *addBuzzerToEquipmentLink(struct Equipment *phead) //頭插法將設備節點加入設備工廠鏈表函數 {if(phead == NULL){return &buzzer;}else{buzzer.next = phead;phead = &buzzer;return phead;} }

測試驗證

所有代碼均可編譯運行，3個線程均通過實驗驗證。

后期將網絡線程整合在手機app上，從而實現手機端遠程控制和監測智能家居，需要繼續學習JAVA以及Android知識。

往期文章

智能家居 (1) ——智能家居整體功能框架
智能家居 (2) ——設計模式的引入
智能家居 (3) ——工廠模式繼電器控制燈
智能家居 (4) ——工廠模式火焰報警
智能家居 (5) —— LD3320語音模塊二次開發
智能家居 (6) ——語音識別線程控制
智能家居 (7) ——網絡服務器線程控制
智能家居 (8) ——智能家居項目整合（網絡控制線程、語音控制線程，火災報警線程）
網絡編程知識預備(1) ——了解OSI網絡模型
網絡編程知識預備(2) ——淺顯易懂的三次握手與四次揮手
網絡編程知識預備(3) ——SOCKET、TCP、HTTP之間的區別與聯系
網絡編程知識預備(4) ——了解HTTP協議與HTTPS協議
網絡編程知識預備(5) ——libcurl庫簡介及其編程訪問百度首頁
智能家居 (9) ——人臉識別攝像頭安裝實現監控功能
智能家居 (10) ——人臉識別祥云平臺編程使用
智能家居 (11) ——樹莓派攝像頭捕捉人臉并識別
智能家居 (12) ——人臉識別整合到智能家居系統
智能家居 (13) ——智能家居加入手機app端控制

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總結

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