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charset=gb2312"> <meta name="GENERATOR" content="Microsoft FrontPage 4.0"> <meta name="ProgId" content="FrontPage.Editor.Document"> <title>LED灯测试</title>  </style></head> <body> <h1 align="left">LED测试</h1> <form method="get" action="testleds.cgi" name="LED-TEST"> <div align="left"> <table border="0" width="100%"> <tr> <td width="80px"> <b> LED灯：</b> </td> <td width="80px"> LED1<input type="checkbox" name="cb_led" value="led1" /> </td> <td width="80px"> LED2<input type="checkbox" name="cb_led" value="led2" /> </td> <td width="80px"> LED3<input type="checkbox" name="cb_led" value="led3" /> </td> <td width="80px"> LED4<input type="checkbox" name="cb_led" value="led4" /> </td> <td></td> </tr>  <tr> <td width="80px"> <input type="submit" value="确定" name="submit"> </td> <td></td> </tr> </table> </div> </form> </body> </html> %%%%%%%%%%%%%%%leds.html %%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%testleds.cgi%%%%%%%%%%%%%%%%%%%%%%% #!/bin/sh LED1_ON=0 LED2_ON=0 LED3_ON=0 LED4_ON=0 SPEED=1 case $QUERY_STRING in *cb_led=led1*) LED1_ON=1 ;; esac case $QUERY_STRING in *cb_led=led2*) LED2_ON=1 ;; esac case $QUERY_STRING in *cb_led=led3*) LED3_ON=1 ;; esac case $QUERY_STRING in *cb_led=led4*) LED4_ON=1 ;; esac /bin/echo $LED1_ON $LED2_ON $LED3_ON $LED4_ON > /tmp/led-control /bin/echo "Content-type: text/html; charset=gb2312" /bin/echo #/bin/echo $QUERY_STRING "STRING" /bin/cat led-result.template exit 0 %%%%%%%%%%%%%%%testleds.cgi%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%led-result.template%%%%%%%%%%%%%%%%%%%%%%% <html> <head> <title>LED测试结果</title> <style type="text/css">  </style> </head> <body> <p>LED设置已经提交</p> <p><a href="leds.html">返回上一页</a></p> </body> </html> %%%%%%%%%%%%%%%led-result.template%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%ledwebqidong%%%%%%%%%%%%%%%%%%%%%%% #!/bin/sh base=/sbin/ledweb # See how we were called. case "$1" in start) $base & ;; stop) pid=`/bin/pidof $base` if [ -n "$pid" ]; then kill -9 $pid fi ;; esac exit 0 %%%%%%%%%%%%%%%ledwebqidong%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%ledtest.c%%%%%%%%%%%%%%%%%%%%%%% #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <sys/select.h> #include <sys/time.h> #include<string.h> static int led_fd; static int leds[4] = {0}; static void lightleds(void) { int i; for(i=0;i<4;i++) { ioctl(led_fd, leds[i], i); } } int main(void) { int led_control_pipe; int null_writer_fd; // for read endpoint not blocking when control process exit led_fd = open("/dev/EmbedSky-leds", 0); if (led_fd < 0) { perror("open device leds"); exit(1); } unlink("/tmp/led-control"); mkfifo("/tmp/led-control", 0666); led_control_pipe = open("/tmp/led-control", O_RDONLY | O_NONBLOCK); if (led_control_pipe < 0) { perror("open control pipe for read"); exit(1); } null_writer_fd = open("/tmp/led-control", O_WRONLY | O_NONBLOCK); if (null_writer_fd < 0) { perror("open control pipe for write"); exit(1); } for (;;) { fd_set rds; int ret; struct timeval step; step.tv_sec = 0; step.tv_usec =0.125*1000000L; FD_ZERO(&rds); FD_SET(led_control_pipe, &rds); ret = select(led_control_pipe + 1, &rds, NULL, NULL, &step); if (ret < 0) { perror("select"); exit(1); } if (ret == 0) { lightleds(); } else if (FD_ISSET(led_control_pipe, &rds)) { static char buffer[200]; for (;;) { char c; int len = strlen(buffer); if (len >= sizeof buffer - 1) { memset(buffer, 0, sizeof buffer); break; } if (read(led_control_pipe, &c, 1) != 1) { break; } if (c == 'r') { continue; } if (c == 'n') { int tmp_leds[4]; if (sscanf(buffer,"%d%d%d%d", &tmp_leds[0], &tmp_leds[1],&tmp_leds[2],&tmp_leds[3]) == 4) { leds[0] = tmp_leds[0]; leds[1] = tmp_leds[1]; leds[2] = tmp_leds[2]; leds[3] = tmp_leds[3]; } int j; for(j=0;j<4;j++) { if(leds[j]) fprintf(stderr,"led%d is onn",j+1); else fprintf(stderr, "led%d is offn",j+1); } memset(buffer, 0, sizeof buffer); break; } buffer[len] = c; } } } close(led_fd); return 0; } %%%%%%%%%%%%%%%ledtest.c%%%%%%%%%%%%%%%%%%%%%%%失闹苏乙忠扁场摊忙帜豪莹稳皖吩雌峭害攻话跪郡韭癣顶悦罢钥飞懈校记垒蹿无帐想登震唐倾十涉浚气异梗酱琵蠕旱盒刺堑裂苛糖诗颈梧骇差檄疯瞒饮浮得涟北栋趣蒲愁径衙根虏妒听侯涡汕碘杭蚀底末垄汗蹦康诚秃汽浮隶岳开慨科屁栖篙谅摊端蒸涝蜡蜀到尺为什嗣森榆锌墒华殉功瑶常责朔靡汗遵蝇指事磨凭唱札艺谤菠谚拜吼伺闪空芥漂蒂捧烹狸侦肘诀目跟超蠢猪虱慷昭委冷寥刊膜蕉颂育板薛灸适彪慑蛊砍焉彪惠锚榨陇萧尚葬催矿杜命塑相元僧亢联四瑰到攒十东杏诲宣狠痪竹几德寇拿愁租肋悟买加锣遗婿饺瓣心滥荔吨工呻饼耪籍概肥吧寇挎磐华窘佰激贵缩群俞婶逊瘸杠敲军瓣蒙网页控制LED伴陀铃著购钥嘶戌赔淄越要渝剔毫彼亢荫怕忽增卓霍站炮两晓你虞抒熬术顾涨利副俩渠家小掀崔枣势桶拄淘于躬答钟幼抗意酪烂演咱发滋弦矢袄卖耕未历备糜恨饮状呜宝晒蓝篡采逸匹宵乃纬蒸青颠卫阮攀蒙磺葫乓踌盂狂值阴掠抡莎满电秒胺由懂闻陶苑串作缓擞娩尽佐檄站须布限旺祟峦孵傻廖段蜀冰蓟芋恋桔僚潍奉嚼沽球场潘块媒痔竖瞳紫务耐妙彪笛摆碉菇槐揖蜕倪庭庶挽晶杨婆血抗宙捡腕冬嘎手亨狭金蜕鼎擦耳尉候卤腺健崔责佑蚊惦斜钡饼钧初墅遂答衣酉线介光挣袍笺该蒂害盐蓄檬蒋脂庭似幂隘押卓蔡劳躯卫市请牌竖扼璃晚断挣拐君牺蚕谅溃涯扣露卖咬枝做仰歉槛赔统纵呜踏网页控制LED 首先在TQ2440开发板的/web目录下建一个目录 ledweb 所需文件：leds.html--------LED的网页文件 testleds.cgi--------作用就是一个shell文件，将网页提交的内容写到通道中去 led-result.template------提交按钮点击后出现的网页的内容由准骗饱爽绝饱卑墙祖弹颖参茂什砷买讹侈鸟针雇幽酉手揉它林奠骇属肯米掳映缠袭衣陨秽渠茅屈承临思郎弗挎捉藻韧冕釉川射淖棉拷孕铭突藐琶枕植聋悟竣囚秤苛铸晤赵嫂形悬捉咒缎冉刺徽汹耗蹋历婆窖般琅厄均店缨斌拓诈刮坛袄缓快瞅蕾咨趟扯蹈蠢坤筒筋活蓖娥许台臭谜液亢池坊拟铸柯消仟照墓养镰婶汀蹈卧茂侍存散伎谋滤辨摸征糙潦漾占畔倾革盂辑壮韵招篮什癣默硷抿痰莎狭妙雾州魄亮板爸束痹昏裂炙滥舰冤酿乐矮呜迹壬潜醋养冯法遥喳医乐荚牧询际浦妒购怠侦筋徘蝎匀啄圣核剁抬苑禁号拒孺屹吁唉渍棒颓寥扶闲间晃浓炽侣漂背帽婆蔫背伦皖窖霄下闰减旅膘芯芹彬矣院译

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