board.c

/*
 * File      : board.c
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2009 RT-Thread Develop Team
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rt-thread.org/license/LICENSE
 *
 * Change Logs:
 * Date           Author       Notes
 * 2009-01-05     Bernard      first implementation
 */
#include <stdint.h>
#include <rthw.h>
#include <rtthread.h>

#include <gd32f4xx.h>
#include <board.h>
#include <drv_usart.h>

void _init(void)
{

}

/**
  * @brief  This function is executed in case of error occurrence.
  * @param  None
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler */
  /* User can add his own implementation to report the HAL error return state */
  while(1)
  {
  }
  /* USER CODE END Error_Handler */
}

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

//  RCC_OscInitTypeDef RCC_OscInitStruct;
//  RCC_ClkInitTypeDef RCC_ClkInitStruct;
//  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;

//  __HAL_RCC_PWR_CLK_ENABLE();

//  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

//  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
//  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
//  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
//  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
//  RCC_OscInitStruct.PLL.PLLM = 25;
//  RCC_OscInitStruct.PLL.PLLN = 360;
//  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
//  RCC_OscInitStruct.PLL.PLLQ = 8;
//  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
//  {
//    Error_Handler();
//  }

//  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
//                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
//  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
//  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
//  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
//  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
//  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
//  {
//    Error_Handler();
//  }

//  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
//  PeriphClkInitStruct.PLLSAI.PLLSAIN = 260;
//  PeriphClkInitStruct.PLLSAI.PLLSAIR = 2;
//  PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
//  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
//  {
//    Error_Handler();
//  }

    SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
    NVIC_SetPriority(SysTick_IRQn, 0);
}

/**
 * This is the timer interrupt service routine.
 *
 */
void SysTick_Handler(void)
{
    /* enter interrupt */
    rt_interrupt_enter();

    rt_tick_increase();

    /* leave interrupt */
    rt_interrupt_leave();
}


/**
 * This function will initial GD32 board.
 */
void rt_hw_board_init()
{
     /* NVIC Configuration */
#define NVIC_VTOR_MASK              0x3FFFFF80
#ifdef  VECT_TAB_RAM
    /* Set the Vector Table base location at 0x10000000 */
    SCB->VTOR  = (0x10000000 & NVIC_VTOR_MASK);
#else  /* VECT_TAB_FLASH  */
    /* Set the Vector Table base location at 0x08000000 */
    SCB->VTOR  = (0x08000000 & NVIC_VTOR_MASK);
#endif
    
    SystemClock_Config();
    
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif

#ifdef RT_USING_CONSOLE
    rt_console_set_device(CONSOLE_DEVICE);
#endif
}

/*@}*/