嵌入式課程設(shè)計報告基于web的嵌入式遠(yuǎn)程監(jiān)控系統(tǒng)畢業(yè)論文-資料下載頁
2025-06-26 15:22本頁面
【正文】 FORMp align=center /p/body/html乘法程序清單：include include int main(void){char *data。long m,n。printf(%s%c%c,ContentType:text/html。charset=gb2312\n\n,13,10)。printf(TITLE乘法結(jié)果/TITLE )。printf(H3乘法結(jié)果/H3 )。data = getenv(QUERY_STRING)。if(data == NULL)printf(P錯誤！數(shù)據(jù)沒有被輸入或者數(shù)據(jù)傳輸有問題)。else if(sscanf(data,m=%ldamp。n=%ld,amp。m,amp。n)!=2)printf(P錯誤！輸入數(shù)據(jù)非法。表單中輸入的必須是數(shù)字。)。elseprintf(P%ld和%ld的成績是：%ld。,m,n,m*n)。return 0。}電機(jī)網(wǎng)頁的HTML表單：htmlheadtitle監(jiān)控電機(jī)/title/headbodyform name=form1 action=/cgibin/ method=POSTtable align=centertrtd align=center colspan=2/td/trtrtd align=right輸入start啟動電機(jī),輸入stop停止電機(jī)/tdtdinput type=text name=Username/td/trtrtd align=rightinput type=submit value=確定/tdtd align=rightinput type=reset value=取消/td/tr/table/form/body/html電機(jī)程序清單：include include include include include sys/define DCM_IOCTRL_SETPWMdefine DCM_TCNTB0define ERROR printf(error)static int dcm_fd=1。char *DCM_DEV=/dev/dcm/0raw。char* getcgidata(FILE* fp,char* requestmethod)。int main(){char *input。char *req_method。char name[5]。int i=0。int j=0。int k。int status=1。int setpwm=0。int factor=DCM_TCNTB0/1024。if((dcm_fd=open(DCM_DEV,O_WRONLY))0){printf(Error opening %s device\n,DCM_DEV)。return 1。}printf(Contenttype:text/html\n\n)。req_method=getenv(REQUEST_METHOD)。input=getcgidata(stdin,req_method)。k=strlen(input)。printf(%dbr,k)。for(i=9。istrlen(input)。i++){name[j++]=input[i]。}name[j]=39。\039。printf(%s br,name)。if(j6){i=0。if(name[i]==39。s39。)if(name[i+1]==39。t39。)if(name[i+2]==39。a39。)if(name[i+3]==39。r39。)if(name[i+4]==39。t39。)setpwm=100。ioctl(dcm_fd,DCM_IOCTRL_SETPWM,(setpwm*factor))。printf(MOTOR START)。}elseERROR。elseERROR。elseif(name[i+2]==39。o39。)if(name[i+3]==39。p39。)if(name[i+4]==39。\039。)setpwm=0。ioctl(dcm_fd,DCM_IOCTRL_SETPWM,(setpwm*factor))。printf(MOTOR STOP)。}elseERROR。elseERROR。elseERROR。elseERROR。elseERROR。}ElseERROR。return 0。}char* getcgidata(FILE* fp,char* requestmethod){ char* input。int len。int size=1024。int i=0。if(!strcmp(requestmethod,GET)){input=getenv(QUERY_STRING)。return input。}else if(!strcmp(requestmethod,POST)){len=atoi(getenv(CONTENT_LENGTH))。input=(char*)malloc(sizeof(char)*(size+1))。if(len==0){input[0]=39。\039。return input。}while(1){input[i]=(char)fgetc(fp)。if(i==size){input[i+1]=39。\039。return input。}len。if(feof(fp)||(!(len))){i++。input[i]=39。\039。return input。}i++。}}return NULL。
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