Files
luban-lite-t3e-pro/bsp/examples/test-gpio/test_gpio_key.c
2025-09-30 11:56:06 +08:00

142 lines
3.7 KiB
C

/*
* Copyright (c) 2022-2024, ArtInChip Technology Co., Ltd
*
* SPDX-License-Identifier: Apache-2.0
*
* Authors: Li Siyao <siyao.li@artinchip.com>
*/
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <sys/time.h>
#include <rtthread.h>
#include "rtdevice.h"
#include "aic_core.h"
#include "aic_hal_gpio.h"
#include "aic_time.h"
#define TEST_GPIO_KEY_PIN "PA.2"
static int g_end_time = 0;
static int g_start_time = 0;
static int g_long_press_time = 3000;
static unsigned int g_init_pin_status;
static const char sopts[] = "i:t:h";
static const struct option lopts[] = {
{"input", optional_argument, NULL, 'i'},
{"time", optional_argument, NULL, 't'},
{"help", no_argument, NULL, 'h'},
{0, 0, 0, 0}
};
static void test_gpio_key_usage(char *program)
{
printf("Compile time: %s %s\n", __DATE__, __TIME__);
printf("Usage: %s [options]\n", program);
printf("\t -i, --input\t\tConfigure PIN as key-input-pin.Default as PA.2\n");
printf("\t -t --time\t\tSet long press time, unit ms.\n");
printf("\t -h, --help \n");
printf("\n");
printf("Example:\n");
printf("\t%s -t 200 -i PA.2\n", program);
}
static void test_gpio_key_input_irq_handler(void *args)
{
unsigned int val;
u32 pin = *((u32 *)(args));
// Obtain the pin level status when the interrupt is triggered.
hal_gpio_get_value(GPIO_GROUP(pin), GPIO_GROUP_PIN(pin), &val);
if (val == g_init_pin_status) {
g_end_time = aic_get_time_ms();
if ((g_end_time - g_start_time) > g_long_press_time) {
rt_kprintf("Long press\n");
} else {
rt_kprintf("Short press\n");
}
} else {
g_start_time = aic_get_time_ms();
}
}
/**
* @brief This function will check if the pins are set correctly, if set incorrectly, use the default pin settings.
*/
static u32 test_gpio_key_pin_check(char *arg_pin)
{
u32 pin;
if (arg_pin == RT_NULL || strlen(arg_pin) == 0) {
rt_kprintf("pin set default PA.2\n");
pin = rt_pin_get(TEST_GPIO_KEY_PIN);
} else {
rt_kprintf("pin set : [%s]\n", arg_pin);
pin = rt_pin_get(arg_pin);
}
return pin;
}
static u32 test_gpio_key_input_pin_cfg(char *arg_pin)
{
// 1.get pin number
static u32 pin = 0;
pin = test_gpio_key_pin_check(arg_pin);
// 2.set pin mode to Input-PullUp
rt_pin_mode(pin, PIN_MODE_INPUT_PULLUP);
// 3. Obtain the initial state of the pin level when button is not pressed.
hal_gpio_get_value(GPIO_GROUP(pin), GPIO_GROUP_PIN(pin),
&g_init_pin_status);
rt_kprintf("Current pin status: %d\n", g_init_pin_status);
// 4.attach irq handler
rt_pin_attach_irq(pin, PIN_IRQ_MODE_RISING_FALLING,
test_gpio_key_input_irq_handler, &pin);
// 5.enable pin irq
rt_pin_irq_enable(pin, PIN_IRQ_ENABLE);
return pin;
}
int test_gpio_key(int argc, char **argv)
{
int c = 0;
if (argc < 2) {
test_gpio_key_usage(argv[0]);
return -1;
}
optind = 0;
while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
switch (c) {
case 'i':
test_gpio_key_input_pin_cfg(optarg);
break;
case 't':
g_long_press_time = atoi(optarg);
if (g_long_press_time <= 0) {
test_gpio_key_usage(argv[0]);
return 0;
}
break;
case 'h':
default:
test_gpio_key_usage(argv[0]);
return 0;
}
}
return 0;
}
MSH_CMD_EXPORT(test_gpio_key, gpio key device sample);