文章目录
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class People{
function __construct()
{
（图片来自网络侵删）
shell_exec(\"大众gpio mode 0 out\"大众);
shell_exec(\"大众gpio mode 1 in\"大众);
}
function start(){
swoole_timer_tick(500,function($timer_id){
$val = shell_exec(\"大众gpio read 1\"大众);
echo $val;
if($val==1){
swoole_timer_clear($timer_id);
shell_exec(\"大众gpio write 0 1\公众);
swoole_timer_after(2500,function(){
$this->start();
});
}else{
shell_exec(\"大众gpio write 0 0\"大众);
}
});
}
}
$Signal = new People();
$Signal->start();
