PHP sunxi_gpio_init Examples

Example #1

File: A10Lime_defines.inc.php Project: JakDaniels/hac_xap

function GPIO_init()
{
    $r = sunxi_gpio_init();
    if ($r < 0) {
        die("Failed to open GPIO. Are you running as root?\n");
    }
    return $r;
}

Example #2

File: test_pin.sh.php Project: JakDaniels/php-A10Lime

#!/usr/bin/php
<?php 
include "php-lib/defines.inc.php";
if (sunxi_gpio_init() == -1) {
    die("Failed to open GPIO memory map. Are you running as root?\n");
}
$PG0 = $PIN['PG0'];
$PG1 = $PIN['PG1'];
if (sunxi_gpio_set_cfgpin($PG0, SUNXI_GPIO_OUTPUT) == -1) {
    die("Failed to set pin {$PG0} to output!\n");
}
sunxi_gpio_pullup($PG0, 0);
sunxi_gpio_pullup($PG0, SUNXI_PULL_UP);
sunxi_gpio_pullup($PG0, SUNXI_PULL_DOWN);
if (sunxi_gpio_set_cfgpin($PG1, SUNXI_GPIO_OUTPUT) == -1) {
    die("Failed to set pin {$PG1} to output!\n");
}
sunxi_gpio_pullup($PG1, 0);
sunxi_gpio_pullup($PG1, SUNXI_PULL_UP);
sunxi_gpio_pullup($PG1, SUNXI_PULL_DOWN);
$v = 0;
while (1) {
    sunxi_gpio_output($PG0, $v);
    sunxi_gpio_output($PG1, !$v);
    $v = !$v;
    usleep(25000);
}