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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*
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* Copyright (c) 2022-2024, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Authors: Li Siyao <siyao.li@artinchip.com>
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/time.h>
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#include <rtthread.h>
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#include "rtdevice.h"
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#include "aic_core.h"
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#include "aic_hal_gpio.h"
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#include "aic_time.h"
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#define TEST_GPIO_KEY_PIN "PA.2"
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static int g_end_time = 0;
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static int g_start_time = 0;
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static int g_long_press_time = 3000;
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static unsigned int g_init_pin_status;
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static const char sopts[] = "i:t:h";
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static const struct option lopts[] = {
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{"input", optional_argument, NULL, 'i'},
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{"time", optional_argument, NULL, 't'},
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{"help", no_argument, NULL, 'h'},
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{0, 0, 0, 0}
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};
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static void test_gpio_key_usage(char *program)
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{
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printf("Compile time: %s %s\n", __DATE__, __TIME__);
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printf("Usage: %s [options]\n", program);
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printf("\t -i, --input\t\tConfigure PIN as key-input-pin.Default as PA.2\n");
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printf("\t -t --time\t\tSet long press time, unit ms.\n");
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printf("\t -h, --help \n");
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printf("\n");
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printf("Example:\n");
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printf("\t%s -t 200 -i PA.2\n", program);
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}
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static void test_gpio_key_input_irq_handler(void *args)
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{
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unsigned int val;
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u32 pin = *((u32 *)(args));
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// Obtain the pin level status when the interrupt is triggered.
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hal_gpio_get_value(GPIO_GROUP(pin), GPIO_GROUP_PIN(pin), &val);
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if (val == g_init_pin_status) {
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g_end_time = aic_get_time_ms();
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if ((g_end_time - g_start_time) > g_long_press_time) {
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rt_kprintf("Long press\n");
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} else {
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rt_kprintf("Short press\n");
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}
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} else {
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g_start_time = aic_get_time_ms();
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}
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}
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/**
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* @brief This function will check if the pins are set correctly, if set incorrectly, use the default pin settings.
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*/
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static u32 test_gpio_key_pin_check(char *arg_pin)
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{
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u32 pin;
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if (arg_pin == RT_NULL || strlen(arg_pin) == 0) {
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rt_kprintf("pin set default PA.2\n");
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pin = rt_pin_get(TEST_GPIO_KEY_PIN);
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} else {
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rt_kprintf("pin set : [%s]\n", arg_pin);
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pin = rt_pin_get(arg_pin);
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}
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return pin;
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}
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static u32 test_gpio_key_input_pin_cfg(char *arg_pin)
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{
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// 1.get pin number
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static u32 pin = 0;
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pin = test_gpio_key_pin_check(arg_pin);
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// 2.set pin mode to Input-PullUp
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rt_pin_mode(pin, PIN_MODE_INPUT_PULLUP);
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// 3. Obtain the initial state of the pin level when button is not pressed.
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hal_gpio_get_value(GPIO_GROUP(pin), GPIO_GROUP_PIN(pin),
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&g_init_pin_status);
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rt_kprintf("Current pin status: %d\n", g_init_pin_status);
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// 4.attach irq handler
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rt_pin_attach_irq(pin, PIN_IRQ_MODE_RISING_FALLING,
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test_gpio_key_input_irq_handler, &pin);
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// 5.enable pin irq
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rt_pin_irq_enable(pin, PIN_IRQ_ENABLE);
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return pin;
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}
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int test_gpio_key(int argc, char **argv)
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{
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int c = 0;
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if (argc < 2) {
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test_gpio_key_usage(argv[0]);
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return -1;
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}
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optind = 0;
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while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
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switch (c) {
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case 'i':
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test_gpio_key_input_pin_cfg(optarg);
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break;
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case 't':
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g_long_press_time = atoi(optarg);
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if (g_long_press_time <= 0) {
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test_gpio_key_usage(argv[0]);
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return 0;
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}
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break;
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case 'h':
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default:
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test_gpio_key_usage(argv[0]);
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return 0;
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}
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}
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return 0;
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}
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MSH_CMD_EXPORT(test_gpio_key, gpio key device sample);
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