IO点灯程序，看了一下，跟ST那边的风格很像，很上手

/**

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

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

  * [url=home.php?mod=space&uid=187600]@author[/url]  Alexander

  * [url=home.php?mod=space&uid=895143]@version[/url] V1.0.0

  * [url=home.php?mod=space&uid=212281]@date[/url]    04-January-2023

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

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

  * @attention

  *

  * Copyright (c) 2023 HKMicroelectronics.

  * All rights reserved.

  *

  * This software is licensed under terms that can be found in the LICENSE file

  * in the root directory of this software component.

  * If no LICENSE file comes with this software, it is provided AS-IS.

  *

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

  */



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

#include "main.h"



/** @addtogroup HK32F030Mxx_StdPeriph_Examples

  * @{

  */

        

/** @addtogroup GPIO_IOToggle

  * @{

  */        



/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

#define BSRR_VAL 0x0006



/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/

GPIO_InitTypeDef        GPIO_InitStructure;



/* Private function prototypes -----------------------------------------------*/

/* Private functions ---------------------------------------------------------*/



/**

  * @brief  Main program.

  * @param  None

  * @retval None

  */

int main(void)

{

  /*!< At this stage the microcontroller clock setting is already configured, 

       this is done through SystemInit() function which is called from startup

       file (KEIL_startup_hk32f030m.s) before to branch to application main.

       To reconfigure the default setting of SystemInit() function, refer to

       system_hk32f030m.c file

     */

  /* GPIOD Periph clock enable */

        RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOD, ENABLE);

        

        /* Configure PD01 and PD02 in output pushpull mode */

        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;

        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;

        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;

        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;

        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;

        GPIO_Init(GPIOD, &GPIO_InitStructure);

        

        while(1)

        {

                /* Set PD01 and PD02 */

                GPIOD->BSRR = BSRR_VAL;

                /* Reset PD01 and PD02 */

                GPIOD->BRR = BSRR_VAL;

                

                /* Set PD01 and PD02 */

                GPIOD->BSRR = BSRR_VAL;

                /* Reset PD01 and PD02 */

                GPIOD->BRR = BSRR_VAL;

                

                /* Set PD01 and PD02 */

                GPIOD->BSRR = BSRR_VAL;

                /* Reset PD01 and PD02 */

                GPIOD->BRR = BSRR_VAL;

                

                /* Set PD01 and PD02 */

                GPIOD->BSRR = BSRR_VAL;

                /* Reset PD01 and PD02 */

                GPIOD->BRR = BSRR_VAL;

                

                /* Set PD01 and PD02 */

                GPIOD->BSRR = BSRR_VAL;

                /* Reset PD01 and PD02 */

                GPIOD->BRR = BSRR_VAL;

        }

}



#ifdef  USE_FULL_ASSERT



/**

  * @brief  Reports the name of the source file and the source line number

  *         where the assert_param error has occurred.

  * @param  file: pointer to the source file name

  * @param  line: assert_param error line source number

  * @retval None

  */

void assert_failed(uint8_t* file, uint32_t line)

{ 

  /* User can add his own implementation to report the file name and line number,

     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */



  /* Infinite loop */

  while (1)

  {

  }

}

#endif



/**

  * @}

  */



/**

  * @}

  */