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/*
* 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
**
******************************************************************************/
int 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)
******************************************************************************/
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