/*
 * 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
 * 2017-10-20     ZYH          emmm...setup for HAL Libraries
 */

#include <rthw.h>
#include <rtthread.h>
#include "board.h"

/**
 * @addtogroup STM32
 */

/*@{*/


void HAL_MspInit(void)
{

  HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);

  /* System interrupt init*/
  __HAL_RCC_AFIO_CLK_ENABLE();
  /* MemoryManagement_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(MemoryManagement_IRQn, 0, 0);
  /* BusFault_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(BusFault_IRQn, 0, 0);
  /* UsageFault_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(UsageFault_IRQn, 0, 0);
  /* SVCall_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SVCall_IRQn, 0, 0);
  /* DebugMonitor_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DebugMonitor_IRQn, 0, 0);
  /* PendSV_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(PendSV_IRQn, 15, 0);
  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 15, 0);

  /**DISABLE: JTAG-DP Disabled and SW-DP Disabled 
    */
  __HAL_AFIO_REMAP_SWJ_NOJTAG();
}
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  /**Initializes the CPU, AHB and APB busses clocks 
    */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  RT_ASSERT(HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK);
  /**Initializes the CPU, AHB and APB busses clocks 
    */
  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_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  RT_ASSERT(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) == HAL_OK);

  /**Configure the Systick interrupt time 
    */
  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / 1000);

  /**Configure the Systick 
    */
  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 15, 0);
}


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

  HAL_IncTick();
  rt_tick_increase();

  /* leave interrupt */
  rt_interrupt_leave();
}

/**
 * This function will initial STM32 board.
 */
void rt_hw_board_init(void)
{
  HAL_Init();
  SystemClock_Config();
#ifdef RT_USING_SERIAL
  rt_hw_usart_init();
#endif
#ifdef RT_USING_PIN
  rt_hw_pin_init();
#endif
#ifdef RT_USING_CONSOLE
  rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif

}

/*@}*/