mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2025-02-25 15:47:04 +08:00
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
|
/*
|
|||
|
|
* Copyright (c) 2022-2024, Xiaohua Semiconductor Co., Ltd.
|
|||
|
|
*
|
|||
|
|
* SPDX-License-Identifier: Apache-2.0
|
|||
|
|
*
|
|||
|
|
* Change Logs:
|
|||
|
|
* Date Author Notes
|
|||
|
|
* 2024-12-30 CDT first version
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* 程序清单：这是一个 PIN 设备使用例程
|
|||
|
|
* 例程导出了 pin_sample 命令到控制终端
|
|||
|
|
* 命令调用格式：pin_sample
|
|||
|
|
* 程序功能：通过按键控制LED引脚的电平状态
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include <rtthread.h>
|
|||
|
|
#include <rtdevice.h>
|
|||
|
|
#include "board_config.h"
|
|||
|
|
|
|||
|
|
#if defined(BSP_USING_GPIO)
|
|||
|
|
#include "drv_gpio.h"
|
|||
|
|
|
|||
|
|
/* 1）配置RTT工程
|
|||
|
|
* menuconfig:
|
|||
|
|
* Hardware Drivers Config ---> Onboard Peripheral Drivers ----> Enable TCA9539
|
|||
|
|
*/
|
|||
|
|
#if defined(HC32F460)
|
|||
|
|
#define LED1_PIN_NUM GET_PIN(D, 3) /* LED0 */
|
|||
|
|
#define KEY1_PIN_NUM GET_PIN(B, 1) /* K10 */
|
|||
|
|
#elif defined(HC32F4A0)
|
|||
|
|
#define LED1_PIN_NUM GET_PIN(B, 11) /* LED10 */
|
|||
|
|
#define KEY1_PIN_NUM GET_PIN(A, 0) /* K10 */
|
|||
|
|
#elif defined(HC32F448)
|
|||
|
|
#define LED1_PIN_NUM GET_PIN(A, 2) /* LED3 */
|
|||
|
|
#define KEY1_PIN_NUM GET_PIN(B, 6) /* K5 */
|
|||
|
|
#elif defined(HC32F472)
|
|||
|
|
#define LED1_PIN_NUM GET_PIN(C, 9) /* LED5 */
|
|||
|
|
#define KEY1_PIN_NUM GET_PIN(B, 5) /* K10 */
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
static uint8_t u8LedState = 1;
|
|||
|
|
|
|||
|
|
void led_control(void *args)
|
|||
|
|
{
|
|||
|
|
u8LedState = !u8LedState;
|
|||
|
|
if (0 == u8LedState)
|
|||
|
|
{
|
|||
|
|
rt_pin_write(LED1_PIN_NUM, PIN_LOW);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
rt_pin_write(LED1_PIN_NUM, PIN_HIGH);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void pin_sample(void)
|
|||
|
|
{
|
|||
|
|
/* LED引脚为输出模式 */
|
|||
|
|
rt_pin_mode(LED1_PIN_NUM, PIN_MODE_OUTPUT);
|
|||
|
|
/* 默认高电平 */
|
|||
|
|
rt_pin_write(LED1_PIN_NUM, PIN_HIGH);
|
|||
|
|
|
|||
|
|
/* 按键1引脚为输入模式 */
|
|||
|
|
rt_pin_mode(KEY1_PIN_NUM, PIN_MODE_INPUT_PULLUP);
|
|||
|
|
/* 绑定中断，下降沿模式，回调函数名为led_control */
|
|||
|
|
// rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_RISING, led_control, RT_NULL);
|
|||
|
|
// rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_FALLING, led_control, RT_NULL);
|
|||
|
|
rt_pin_attach_irq(KEY1_PIN_NUM, PIN_IRQ_MODE_RISING_FALLING, led_control, RT_NULL);
|
|||
|
|
/* 使能中断 */
|
|||
|
|
rt_pin_irq_enable(KEY1_PIN_NUM, PIN_IRQ_ENABLE);
|
|||
|
|
}
|
|||
|
|
/* 导出到 msh 命令列表中 */
|
|||
|
|
MSH_CMD_EXPORT(pin_sample, pin sample);
|
|||
|
|
|
|||
|
|
#endif
|