49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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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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* 2022-03-28 shelton first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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#include "drv_gpio.h"
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/* defined the led2 pin: pd13 */
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#define LED2_PIN GET_PIN(D, 13)
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/* defined the led3 pin: pd14 */
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#define LED3_PIN GET_PIN(D, 14)
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/* defined the led4 pin: pd15 */
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#define LED4_PIN GET_PIN(D, 15)
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int main(void)
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{
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rt_uint32_t speed = 200;
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/* set led2 pin mode to output */
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rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
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/* set led3 pin mode to output */
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rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT);
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/* set led4 pin mode to output */
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rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
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while (1)
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{
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rt_pin_write(LED2_PIN, PIN_LOW);
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rt_thread_mdelay(speed);
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rt_pin_write(LED3_PIN, PIN_LOW);
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rt_thread_mdelay(speed);
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rt_pin_write(LED4_PIN, PIN_LOW);
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rt_thread_mdelay(speed);
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rt_pin_write(LED2_PIN, PIN_HIGH);
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rt_thread_mdelay(speed);
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rt_pin_write(LED3_PIN, PIN_HIGH);
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rt_thread_mdelay(speed);
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rt_pin_write(LED4_PIN, PIN_HIGH);
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rt_thread_mdelay(speed);
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}
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}
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