rt-thread/bsp/nxp/lpc/lpc824/drivers/board.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2009-01-05     Bernard      first implementation
 */
#include <stdint.h>
#include <rthw.h>
#include <rtthread.h>

#include "board.h"
#include "board_lpc.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 */
}

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

    rt_tick_increase();

    /* leave interrupt */
    rt_interrupt_leave();
}

void rt_hw_systick_init(void)
{
    SystemCoreClockUpdate();
    SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
}


/**
 * This function will initial LPC8XX board.
 */
rt_weak void rt_hw_board_init()
{
  rt_hw_systick_init();

#ifdef RT_USING_HEAP
    rt_system_heap_init((void*)HEAP_BEGIN, (void*)HEAP_END);
#endif

    /* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
    rt_hw_usart_init();
#endif

    /* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif

    /* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif
}

/*@}*/