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/*
* 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) || defined(HC32F4A8)
#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 */
#elif defined(HC32F334)
#define LED1_PIN_NUM GET_PIN(C, 13) /* LED1 */
#define KEY1_PIN_NUM GET_PIN(C, 3) /* K1 */
#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
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