Initial commit

2026-04-23 17:07:55 +08:00
commit b7e39e063b
16725 changed files with 1625565 additions and 0 deletions
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# shellcheck source=meta-ampere/meta-jade/recipes-ampere/platform/ampere-utils/gpio-defs.sh
+source /usr/sbin/gpio-defs.sh
+
+function gpio_number() {
+	GPIO_BASE=$(cat /sys/class/gpio/gpiochip"$GPIO_CHIP0_BASE"/base)
+	echo $((GPIO_BASE + $1))
+}
+
+# Configure GPIO as output and set its value
+function gpio_configure_output() {
+	gpioId=$(gpio_number "$1")
+	echo "$gpioId" > /sys/class/gpio/export
+	echo out > /sys/class/gpio/gpio"${gpioId}"/direction
+	echo "$2" > /sys/class/gpio/gpio"${gpioId}"/value
+	echo "$gpioId" > /sys/class/gpio/unexport
+}
+
+function gpio_get_val() {
+	gpioId=$(gpio_number "$1")
+	echo "$gpioId" > /sys/class/gpio/export
+	cat /sys/class/gpio/gpio"$gpioId"/value
+	echo "$gpioId" > /sys/class/gpio/unexport
+}
+
+# Configure GPIO as input
+function gpio_configure_input() {
+	gpioId=$(gpio_number "$1")
+	echo "$gpioId" > /sys/class/gpio/export
+	echo "in" > /sys/class/gpio/gpio"${gpioId}"/direction
+	echo "$gpioId" > /sys/class/gpio/unexport
+}