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34 lines
755 B
34 lines
755 B
/*
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* Copyright (c) 2006-2023, 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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* 2023-03-26 luobeihai 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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/* defined the LED1 pin: PD13 */
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#define LED1_PIN GET_PIN(D, 13)
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int main(void)
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{
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uint32_t sysclock = 0;
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/* set LED1 pin mode to output */
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rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
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/* Print system clock */
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sysclock = RCM_ReadSYSCLKFreq();
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rt_kprintf("System Clock: %d\n", sysclock);
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while (1)
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{
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rt_pin_write(LED1_PIN, PIN_HIGH);
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rt_thread_mdelay(500);
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rt_pin_write(LED1_PIN, PIN_LOW);
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rt_thread_mdelay(500);
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}
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}
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