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139 lines
3.3 KiB
C
139 lines
3.3 KiB
C
/*
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* Copyright (c) 2022-2023, 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: Geo.Dong <guojun.dong@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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// input Key, using "WAKEUP" in board D133CBV-QFN88
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#define INPUT_KEY_PIN "PD.15"
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static const char sopts[] = "i::o::h";
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static const struct option lopts[] = {
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{"input", optional_argument, NULL, 'i'},
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{"output", optional_argument, NULL, 'o'},
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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_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 input-pin, and print pressed count. Default as PD.15\n");
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printf("\t -o, --output\t\tConfigure PIN as output-pin .\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(" %s -i \n", program);
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printf(" or\n");
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printf(" %s -iPD.15 \n", program);
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}
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static void test_gpio_input_irq_handler(void *args)
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{
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static rt_uint32_t cnt = 0;
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printf("Key pressed, cnt:%ld\n", cnt++);
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}
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/*
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* parameter:
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* arg_pin: input para of pin-name
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* return :
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* 0: pin check failed !!!!
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* other: pin number
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*
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*/
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static rt_uint8_t test_gpio_pin_check(char *arg_pin)
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{
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rt_uint8_t pin;
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if (arg_pin == RT_NULL || strlen(arg_pin) == 0) {
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printf("pin set default PD.15\n");
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pin = rt_pin_get(INPUT_KEY_PIN);
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} else {
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#if (defined AIC_DISP_RGB_DRV || defined AIC_PM_DRV || defined AIC_I2S_DRV)
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printf("RGB or PowerManagement or I2S might cause pinmux-conflict!!\n");
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return 0;
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#endif
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printf("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 void test_gpio_input_pin_cfg(char *arg_pin)
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{
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// 1.get pin number
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rt_uint8_t pin = test_gpio_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.attach irq handler
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rt_pin_attach_irq(pin, PIN_IRQ_MODE_FALLING, test_gpio_input_irq_handler, NULL);
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// 4.enable pin irq
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rt_pin_irq_enable(pin, PIN_IRQ_ENABLE);
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}
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static void test_gpio_output_pin(char *arg_pin)
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{
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// 1.get pin number
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rt_uint8_t pin = test_gpio_pin_check(arg_pin);
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// 2.set pin mode to Output
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rt_pin_mode(pin, PIN_MODE_OUTPUT);
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// 3.set pin High and Low
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for(int i = 0; i < 5; i++)
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{
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rt_pin_write(pin, PIN_HIGH);
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rt_thread_mdelay(1000);
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rt_pin_write(pin, PIN_LOW);
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rt_thread_mdelay(1000);
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}
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}
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int test_gpio(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_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_input_pin_cfg(optarg);
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break;
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case 'o':
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test_gpio_output_pin(optarg);
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break;
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case 'h':
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default:
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test_gpio_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, gpio device sample);
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