function writePins(array $rgb)
{
static $pi, $r, $g, $b;
if ($pi === null) {
$pi = new Board();
$r = $pi->getPin(0)->mode(Pin::SOFT_PWM_OUT)->softPwmWrite(100);
$g = $pi->getPin(1)->mode(Pin::SOFT_PWM_OUT);
$b = $pi->getPin(2)->mode(Pin::SOFT_PWM_OUT);
}
$r->softPwmWrite($rgb[0]);
$g->softPwmWrite($rgb[1]);
$b->softPwmWrite($rgb[2]);
}
*
* Example of using software PWM to pulse an LED
*
* @author Andrew Collington, andy@amnuts.com
* @version 0.2.0
* @link https://github.com/amnuts/phpiwire
* @license MIT, http://acollington.mit-license.org/
*/
namespace Phpiwire;
if (PHP_SAPI !== 'cli') {
echo 'Sorry, you can only use this via the command line.';
return;
}
set_time_limit(0);
echo "Raspberry Pi pulse - use ^C to stop\n";
$pi = new Board();
$p = $pi->getPin(0)->mode(Pin::SOFT_PWM_OUT);
$sleep = 20000;
$pwmValue = 100;
// 0 min, 100 max
while (true) {
for ($i = 0; $i <= $pwmValue; ++$i) {
$p->softPwmWrite($i);
usleep($sleep);
}
for ($i = $pwmValue; $i > 0; --$i) {
$p->softPwmWrite($i);
usleep($sleep);
}
}
<?php
/**
* Phpiwire: A PHP wrapper for wiringPi
*
* Example of resetting the GPIO pins
*
* @author Andrew Collington, andy@amnuts.com
* @version 0.2.0
* @link https://github.com/amnuts/phpiwire
* @license MIT, http://acollington.mit-license.org/
*/
namespace Phpiwire;
if (PHP_SAPI !== 'cli') {
echo 'Sorry, you can only use this via the command line.';
return;
}
echo "Raspberry Pi - all pins reset to LOW\n";
$pi = new Board();
foreach (range(0, 7) as $pin) {
$p = $pi->getPin($pin)->mode(Pin::OUTPUT);
$p->write(Pin::LOW);
}
<?php
/**
* Phpiwire: A PHP wrapper for wiringPi
*
* Checking pin status
*
* @author Andrew Collington, andy@amnuts.com
* @version 0.2.0
* @link https://github.com/amnuts/phpiwire
* @license MIT, http://acollington.mit-license.org/
*/
namespace Phpiwire;
$pi = new Board();
$p = $pi->getPin(0)->mode(Pin::OUTPUT);
echo $p, "\n";
if ($p->read() == Pin::LOW) {
echo "Setting {$p->getId()} to HIGH\n\n";
$p->write(Pin::HIGH);
} else {
echo "Setting {$p->getId()} to LOW\n\n";
$p->write(Pin::LOW);
}
echo $p, "\n";
*
* @author Andrew Collington, andy@amnuts.com
* @version 0.2.0
* @link https://github.com/amnuts/phpiwire
* @license MIT, http://acollington.mit-license.org/
*/
namespace Phpiwire;
if (PHP_SAPI !== 'cli') {
echo 'Sorry, you can only use this via the command line.';
return;
}
set_time_limit(0);
echo "Raspberry Pi pulse - use ^C to stop\n";
$pi = new Board();
$p = $pi->getPin(1)->mode(Pin::PWM_OUT);
$p->pwmWrite(0);
$sleep = 500;
$pwmValue = 1024;
// 0 min, 1024 max
while (true) {
for ($i = 0; $i <= $pwmValue; ++$i) {
$p->pwmWrite($i);
usleep($sleep);
}
sleep(1);
for ($i = $pwmValue; $i > 0; --$i) {
$p->pwmWrite($i);
usleep($sleep);
}
}
