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34 lines
751 B
34 lines
751 B
/*
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* Copyright (c) 2006-2022, 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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* 2020-08-20 Abbcc 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 LED2 pin: PE6 */
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#define LED2_PIN GET_PIN(E, 6)
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int main(void)
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{
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uint32_t sysclock = 0;
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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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/* 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(LED2_PIN, PIN_HIGH);
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rt_thread_mdelay(500);
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rt_pin_write(LED2_PIN, PIN_LOW);
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rt_thread_mdelay(500);
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}
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}
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