rt-thread/bsp/gd32450z-eval/drivers/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>

/**
  * @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)
{
    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(RT_CONSOLE_DEVICE_NAME);
#endif

#ifdef BSP_USING_SDRAM
    rt_system_heap_init((void *)EXT_SDRAM_BEGIN, (void *)EXT_SDRAM_END);
#else
    rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
}

/*@}*/