forked from xuos/xiuos
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: test_gpio.c
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* @brief: a application of GPIO function
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* @version: 1.1
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* @author: AIIT XUOS Lab
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* @date: 2022/12/17
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*/
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#include <stdio.h>
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#include <string.h>
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#include <transform.h>
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#ifdef ADD_XIZI_FEATURES
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#ifdef BOARD_EDU_RISCV64_EVB
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#define BSP_LED_PIN 29
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#define BSP_KEY_PIN 31
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#elif defined BOARD_EDU_ARM32_EVB
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#define BSP_LED_PIN 134
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#define BSP_KEY_PIN 176
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#endif
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#define NULL_PARAMETER 0
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void TestGpio(void)
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{
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int pin_fd = PrivOpen(GPIO_DEV_DRIVER, O_RDWR);
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if(pin_fd < 0) {
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printf("open pin fd error:%d\n",pin_fd);
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return;
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}
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//config led pin in board
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struct PinParam parameter;
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parameter.cmd = GPIO_CONFIG_MODE;
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parameter.pin = BSP_LED_PIN;
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parameter.mode = GPIO_CFG_OUTPUT;
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struct PrivIoctlCfg ioctl_cfg;
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ioctl_cfg.ioctl_driver_type = PIN_TYPE;
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ioctl_cfg.args = (void *)¶meter;
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if (0 != PrivIoctl(pin_fd, OPE_CFG, &ioctl_cfg)) {
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printf("ioctl pin fd error %d\n", pin_fd);
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PrivClose(pin_fd);
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return;
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}
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//config key pin in board
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parameter.pin = BSP_KEY_PIN;
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parameter.mode = GPIO_CFG_INPUT;
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if (0 != PrivIoctl(pin_fd, OPE_CFG, &ioctl_cfg)) {
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printf("ioctl pin fd error %d\n", pin_fd);
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PrivClose(pin_fd);
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return;
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}
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struct PinStat pin_led;
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struct PinStat pin_key;
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pin_led.pin = BSP_LED_PIN;
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pin_key.pin = BSP_KEY_PIN;
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//recycle read pin and write pin until key break
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while(1){
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if(0 > PrivRead(pin_fd, &pin_key, NULL_PARAMETER)) {
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printf("read pin fd error %d\n", pin_fd);
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PrivClose(pin_fd);
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return;
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}
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//led on if key pressed,or led off
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if(pin_key.val){
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pin_led.val = GPIO_HIGH;
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}else{
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pin_led.val = GPIO_LOW;
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}
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if(0 > PrivWrite(pin_fd, &pin_led, NULL_PARAMETER)) {
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printf("write pin fd error %d\n", pin_fd);
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PrivClose(pin_fd);
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return;
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}
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}
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}
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PRIV_SHELL_CMD_FUNCTION(TestGpio, a gpio test sample, PRIV_SHELL_CMD_MAIN_ATTR);
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#endif |