[AT32F405] AT32F405RCT7-7之Work Bench实现点灯

/* add user code begin Header */

/**

  **************************************************************************

  * [url=home.php?mod=space&uid=288409]@file[/url]     main.c

  * [url=home.php?mod=space&uid=247401]@brief[/url]    main program

  **************************************************************************

  *                       Copyright notice & Disclaimer

  *

  * The software Board Support Package (BSP) that is made available to

  * download from Artery official website is the copyrighted work of Artery.

  * Artery authorizes customers to use, copy, and distribute the BSP

  * software and its related documentation for the purpose of design and

  * development in conjunction with Artery microcontrollers. Use of the

  * software is governed by this copyright notice and the following disclaimer.

  *

  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,

  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,

  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR

  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,

  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,

  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

  *

  **************************************************************************

  */

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/* Includes ------------------------------------------------------------------*/

#include "at32f402_405_wk_config.h"



/* private includes ----------------------------------------------------------*/

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/* private typedef -----------------------------------------------------------*/

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#define CPU_FREQUENCY_HZ 216000000UL  // 假设CPU主频为216MHz

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/* private define ------------------------------------------------------------*/

/* add user code begin private define */



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/* private macro -------------------------------------------------------------*/

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/* private variables ---------------------------------------------------------*/

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/* private function prototypes --------------------------------------------*/

/* add user code begin function prototypes */



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/* private user code ---------------------------------------------------------*/

/* add user code begin 0 */



void delay_ms(uint32_t milliseconds) {

    // 计算延时的CPU时钟周期数

    uint32_t cycles = (uint64_t)milliseconds * CPU_FREQUENCY_HZ / 1000;



    // 执行延时循环

    while (cycles--) {

        // 空循环

        __asm__("nop");

    }

}



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/**

  * [url=home.php?mod=space&uid=247401]@brief[/url] main function.

  * @param  none

  * @retval none

  */

int main(void)

{

  /* add user code begin 1 */



  /* add user code end 1 */



  /* system clock config. */

  wk_system_clock_config();



  /* config periph clock. */

  wk_periph_clock_config();



  /* nvic config. */

  wk_nvic_config();



  /* init gpio function. */

  wk_gpio_config();



  /* add user code begin 2 */



  /* add user code end 2 */



  while(1)

  {

    /* add user code begin 3 */

                gpio_bits_toggle(GPIOF,LED2_PIN);

                delay_ms(100);

                gpio_bits_toggle(GPIOF,LED3_PIN);

                delay_ms(100);

                gpio_bits_toggle(GPIOF,LED4_PIN);

                delay_ms(100);

    /* add user code end 3 */

  }

}