90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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* Copyright (C) 2021, Huada 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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* 2021-09-07 PJQ first version
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*/
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "board.h"
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#include <rtthread.h>
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#include <rtdevice.h>
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/*******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/*******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/* defined the LED pin: PC9 */
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#define LED_PIN GET_PIN(C, 13)
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#define KEY_PIN GET_PIN(B, 9)
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/*******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/*******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/*******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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uint8_t flag;
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/*******************************************************************************
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* Function implementation - global ('extern') and local ('static')
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******************************************************************************/
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void key_handler(void *param)
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{
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flag = ~flag;
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}
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/**
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*******************************************************************************
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** \brief Main function of GPIO output
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**
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** \param None
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**
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** \retval int32_t Return value, if needed
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**
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******************************************************************************/
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int32_t main(void)
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{
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rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
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rt_pin_attach_irq(KEY_PIN, PIN_IRQ_MODE_FALLING, key_handler, RT_NULL);
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rt_pin_irq_enable(KEY_PIN, PIN_IRQ_ENABLE);
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while(1)
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{
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if (flag == 0)
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{
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rt_pin_write(LED_PIN, PIN_HIGH);
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rt_thread_delay(500);
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rt_pin_write(LED_PIN, PIN_LOW);
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rt_thread_delay(500);
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}
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else
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{
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rt_pin_write(LED_PIN, PIN_HIGH);
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rt_thread_delay(2000);
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rt_pin_write(LED_PIN, PIN_LOW);
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rt_thread_delay(2000);
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}
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}
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}
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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