Question

我正试图通过树莓上的网络服务器控制机器人车（带两个直流电机）。我想减慢它...但我不知道如何做到这一点。我也有一个程序让它自己运行（不是通过网络服务器）（机器人汽车之后的线路，如果你知道的话），我用过：

int softPwmCreate (int pin, int initialValue, int pwmRange) ;

void softPwmWrite (int pin, int value) ;

来自here

这很棒！但是，当然，这在Web服务器上不起作用我真的不知道该怎么做，而且我对这一切都比较新，所以我希望你能帮帮我

<html>
<head>
</head>
<body>
<form method=GET action="sumo1.php">
<input name="button" type="submit" value="&#8593;"> <!--  ↑  -->
<input name="button" type="submit" value="&#8595;"> <!--  ↓  -->
<input name="button" type="submit" value="&#8592;"> <!--  ←  -->
<input name="button" type="submit" value="&#8594;"> <!--  →  -->
<input name="button" type="submit" value="STOP"> 

</form>

<?php
system("gpio mode 0 output");
system("gpio mode 1 output");
system("gpio mode 6 output");
system("gpio mode 2 output");
system("gpio mode 3 output");
system("gpio mode 4 output");
system("gpio mode 5 output");
system("gpio mode 4 output");
system("gpio mode 5 output");

system("gpio write 0 1");
system("gpio write 1 1");
system("gpio write 6 1");

if ($_GET["button"] == "&#8593;") //Forward
{
system("gpio write 2 1");
system("gpio write 3 0");
system("gpio write 4 1");
system("gpio write 5 0");
};

if ($_GET["button"] == "&#8595;") //Backwards
{
system("gpio write 2 0");
system("gpio write 3 1");
system("gpio write 4 0");
system("gpio write 5 1");

};

if ($_GET["button"] == "&#8592;") //Left
{
system("gpio write 2 1");
system("gpio write 3 0");
system("gpio write 4 0");
system("gpio write 5 1");

};

if ($_GET["button"] == "&#8594;") //Right
{
system("gpio write 2 0");
system("gpio write 3 1");
system("gpio write 4 1");
system("gpio write 5 0");

};

if ($_GET["button"] == "STOP") //Stop
{
system("gpio write 2 0");
system("gpio write 3 0");
system("gpio write 4 0");
system("gpio write 5 0");
};


?>

</body>
<html>

Raspberry Pi直流电机速度Web服务器

0 个答案: