cmvr_head/applications/main.c

/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2019-03-05     whj4674672   first version
 */

#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>

/* defined the LED0 pin: PB1 */
#define LED0_PIN    GET_PIN(C, 13)


int main(void)
{
    int count = 1;
    /* set LED0 pin mode to output */	
    rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
    rt_pin_mode(GET_PIN(D, 0), PIN_MODE_OUTPUT);


    while (count++)
    {
        rt_pin_write(LED0_PIN, PIN_HIGH);
        rt_thread_mdelay(100);
        rt_pin_write(LED0_PIN, PIN_LOW);
        rt_thread_mdelay(100);
        // rt_kprintf("Hello RT-Thread!\n");
    }
    return RT_EOK;
}
static inline int dwt_init(void)
{
    CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
    DWT->CYCCNT = 0;
    DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
    return 0;
}

INIT_APP_EXPORT(dwt_init);