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https://github.com/RT-Thread/rt-thread.git
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78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-12-30 CDT first version
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*/
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/*
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* 程序清单：这是一个 PIN 设备使用例程
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* 例程导出了 pin_sample 命令到控制终端
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* 命令调用格式：pin_sample
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* 程序功能：通过按键控制LED引脚的电平状态
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board_config.h"
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#if defined(BSP_USING_GPIO)
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#include "drv_gpio.h"
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/* 1）配置RTT工程
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* menuconfig:
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* Hardware Drivers Config ---> Onboard Peripheral Drivers ----> Enable TCA9539
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*/
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#if defined(HC32F460)
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#define LED1_PIN_NUM GET_PIN(D, 3) /* LED0 */
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#define KEY1_PIN_NUM GET_PIN(B, 1) /* K10 */
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#elif defined(HC32F4A0)
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#define LED1_PIN_NUM GET_PIN(B, 11) /* LED10 */
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#define KEY1_PIN_NUM GET_PIN(A, 0) /* K10 */
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#elif defined(HC32F448)
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#define LED1_PIN_NUM GET_PIN(A, 2) /* LED3 */
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#define KEY1_PIN_NUM GET_PIN(B, 6) /* K5 */
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#elif defined(HC32F472)
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#define LED1_PIN_NUM GET_PIN(C, 9) /* LED5 */
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#define KEY1_PIN_NUM GET_PIN(B, 5) /* K10 */
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#endif
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static uint8_t u8LedState = 1;
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void led_control(void *args)
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{
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u8LedState = !u8LedState;
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if (0 == u8LedState)
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{
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rt_pin_write(LED1_PIN_NUM, PIN_LOW);
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}
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else
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{
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rt_pin_write(LED1_PIN_NUM, PIN_HIGH);
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}
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}
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static void pin_sample(void)
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{
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/* LED引脚为输出模式 */
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rt_pin_mode(LED1_PIN_NUM, PIN_MODE_OUTPUT);
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/* 默认高电平 */
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rt_pin_write(LED1_PIN_NUM, PIN_HIGH);
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/* 按键1引脚为输入模式 */
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rt_pin_mode(KEY1_PIN_NUM, PIN_MODE_INPUT_PULLUP);
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/* 绑定中断，下降沿模式，回调函数名为led_control */
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// rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_RISING, led_control, RT_NULL);
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// rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_FALLING, led_control, RT_NULL);
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rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_RISING_FALLING, led_control, RT_NULL);
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/* 使能中断 */
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rt_pin_irq_enable(KEY1_PIN_NUM, PIN_IRQ_ENABLE);
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}
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/* 导出到 msh 命令列表中 */
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MSH_CMD_EXPORT(pin_sample, pin sample);
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#endif
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