基于ARM的智能灯光控制系统（8）设备添加-白红宇

基于ARM的智能灯光控制系统（8）设备添加

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发布时间：2019-06-28

本文共 5943 字，大约阅读时间需要 19 分钟。

基于ARM的智能灯光控制系统（8）设备添加

设备添加页面

这里写图片描述

网页显示头文件（html.h）

#include 
    
     #define ERR_SHM 1#define ERR_MSG 2#define ERR_REG 3void html_head(){    printf("Content-type:text/html\r\n\r\n");    printf("");    printf("
     SL1200智能灯光控制系统");    printf("
     ");    printf("
     ");    printf("
     ");}void html_refresh(char* second, char* url){     printf("
     ",second, url);}void html_title(){       printf("
     
      ");    ...}void html_nav(){    printf("
      ");    ...                                     }void html_table_title(char* title,char * title1,char *title2){    ...}void html_table_head(int len, char argv[][10],char* title){    ...}void html_table_end(){    printf("
     
     ");}void html_end(){      ...    printf("");}void html_return_info(char* info){    printf("
     
      
       ");    printf("
       
        
         ");    printf("设置结果
        
         
         
          "); printf("
          %s", info); printf("
         
        
       
      
     
");}void html_return_show(int ret){    if(ret == 0){        html_return_info("设置完成,返回界面.");    }else{        switch(ret){            case ERR_SHM:                html_return_info("共享内存错误.");                break;            case ERR_MSG:                html_return_info("区域记录己满.");                break;            case ERR_REG:                html_return_info("区域记录己满.");                break;            default:                html_return_info("设置失败,未知错误.");                break;        }       }}

进程通信头文件（ipc.h）

#ifndef __IPC_H_#define __IPC_H_#include 
    
     #include 
     
      #include 
      
       #include 
       
        #include 
        
         #define CMD_GET 1#define CMD_SET 2int get_msgid(void){    int id = -1;    id = msgget((key_t)1234,0666|IPC_CREAT);    return id;}void* set_web_shm(void){    int shmid;    void* shmaddr=(void*)0;    if((shmid=shmget((key_t)1122,sizeof(struct sys_all),0666|IPC_CREAT))<0){        return NULL;    }else{          if((shmaddr=shmat(shmid,(void*)0,0))==(char *)-1){            return NULL;        }    }       return shmaddr;}int msg_send(int msgid,int cmd_da){    struct st_msg_req cmd;    cmd.index = WEB_UPDATE_SMG_INDEX;    cmd.req = cmd_da;    if(msgsnd(msgid,(void*)&cmd,1,0)==-1)        return -1;    return 0;}#endif

设备添加页面程序（dev_add.c）

#include 
    
     #include 
     
      #include 
      
       #include 
       
        #include "html.h"#include "config.h"#include "ipc.h"void table_tr(char* name,char type,int checked){    char type_id[2]="0";    type_id[0] = type + '0';    printf("
         ",type_id,name);      //显示id                                              printf("
        ",type_id,type_id);    switch(type)    {        case 1:            printf("主控制器");            break;        case 2:            printf("分控制器");            break;        case 3:            printf("光线感应");            break;        case 4:            printf("人体感应");            break;        case 5:            printf("声音感应");            break;        case 6:        case 7:            printf("灯光设备");            break;        case 8:            printf("网络设备");            break;        default:            break;    }    if(checked==1)    {                                                                                         printf("
        连通
        断开",type_id,type_id);    }else{        printf("
        连通
        断开",type_id,type_id);    }                                               printf("
           ");}int main(int argc, char *argv[]){    int ret = 0;    int i,msgid;    struct sys_all* shm_dev;    char item_name[5][10];    if((msgid=get_msgid()) < 0){        ret = ERR_MSG;     }           if(msg_send(msgid,CMD_GET)==0){        if((shm_dev=(struct sys_all*)set_web_shm())==NULL){            ret = ERR_SHM;        }    }    html_head();    html_title();    html_nav();    html_table_title("设备添加" , "设备设置" , "设备添加" );     if(ret != 0){        html_return_show(ret);        html_end();        return 0;    }    printf("
        
         ");    strcpy(item_name[0],"设备名称");    strcpy(item_name[1],"节点信息");        strcpy(item_name[2],"设备类型");    strcpy(item_name[3],"连接状态");    strcpy(item_name[4],"提交操作");    html_table_head(5,item_name,"设备列表");    for(i=0;i
         
          count_dev;i++){ table_tr(shm_dev->sys_dev[i].name,shm_dev->sys_dev[i].node.type, shm_dev->sys_dev[i].join_sta); } html_table_end(); printf(""); html_end(); return 0;}

页面处理程序（dev_add_post.c）

#include 
    
     #include 
     
      #include 
      
       #include 
       
        #include "getvalue.h"#include "html.h"#include "config.h"#include "ipc.h"int main(int argc, char *argv[]){    int ret = 0;    char *val = NULL;    char val_name[16];    char type_id[2]="0";    int i,msgid;    struct sys_all* shm_dev;    set_env(getenv("REQUEST_METHOD"),            getenv("CONTENT_LENGTH"),            getenv("QUERY_STRING"));        html_head();    html_refresh("3","/cgi-bin/dev_add.cgi");    html_title();    html_nav();    html_table_title("设备添加" , "设备设置" , "设备添加" );      if((shm_dev=(struct sys_all*)set_web_shm())==NULL){        ret = ERR_SHM;    }else{        for(i=0;i
        
         count_dev;i++){                //根据配置文件实时数据，动态读取变量名join_sta+id                type_id[0] = shm_dev->sys_dev[i].node.type + '0';                strcpy(val_name,"join_sta");                strcat(val_name,type_id);                val = get_value(val_name);                shm_dev->sys_dev[i].join_sta = val[0]-'0';                strcpy(val_name,"name_");                strcat(val_name,type_id);                val = get_value(val_name);                              strcpy(shm_dev->sys_dev[i].name,val);           }           }    if(ret == 0){        if((msgid=get_msgid()) < 0){            ret = ERR_MSG;         }          if(msg_send(msgid,CMD_SET) < 0)            ret = ERR_MSG;    }    html_return_show(ret);    html_end();    return 0;}