90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
|
|
* Copyright (C) 2021, Huada Semiconductor Co., Ltd.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021-09-07 PJQ first version
|
|
*/
|
|
|
|
|
|
/*******************************************************************************
|
|
* Include files
|
|
******************************************************************************/
|
|
#include "board.h"
|
|
|
|
#include <rtthread.h>
|
|
#include <rtdevice.h>
|
|
|
|
/*******************************************************************************
|
|
* Local type definitions ('typedef')
|
|
******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
* Local pre-processor symbols/macros ('#define')
|
|
******************************************************************************/
|
|
|
|
/* defined the LED pin: PC9 */
|
|
#define LED_PIN GET_PIN(D, 5)
|
|
#define KEY_PIN GET_PIN(B, 9)
|
|
|
|
/*******************************************************************************
|
|
* Global variable definitions (declared in header file with 'extern')
|
|
******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
* Local function prototypes ('static')
|
|
******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
* Local variable definitions ('static')
|
|
******************************************************************************/
|
|
uint8_t flag;
|
|
|
|
/*******************************************************************************
|
|
* Function implementation - global ('extern') and local ('static')
|
|
******************************************************************************/
|
|
void key_handler(void *param)
|
|
{
|
|
flag = ~flag;
|
|
}
|
|
|
|
/**
|
|
*******************************************************************************
|
|
** \brief Main function of GPIO output
|
|
**
|
|
** \param None
|
|
**
|
|
** \retval int32_t Return value, if needed
|
|
**
|
|
******************************************************************************/
|
|
int32_t main(void)
|
|
{
|
|
rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
|
|
rt_pin_attach_irq(KEY_PIN, PIN_IRQ_MODE_FALLING, key_handler, RT_NULL);
|
|
rt_pin_irq_enable(KEY_PIN, PIN_IRQ_ENABLE);
|
|
|
|
while(1)
|
|
{
|
|
if (flag == 0)
|
|
{
|
|
rt_pin_write(LED_PIN, PIN_HIGH);
|
|
rt_thread_delay(500);
|
|
rt_pin_write(LED_PIN, PIN_LOW);
|
|
rt_thread_delay(500);
|
|
}
|
|
else
|
|
{
|
|
rt_pin_write(LED_PIN, PIN_HIGH);
|
|
rt_thread_delay(2000);
|
|
rt_pin_write(LED_PIN, PIN_LOW);
|
|
rt_thread_delay(2000);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* EOF (not truncated)
|
|
******************************************************************************/
|