bsp.c

SDIO文件系统forHMI-STM32

/*
*********************************************************************************************************
*                                     MICIRUM BOARD SUPPORT PACKAGE
*
*                             (c) Copyright 2007; Micrium, Inc.; Weston, FL
*
*               All rights reserved.  Protected by international copyright laws.
*               Knowledge of the source code may NOT be used to develop a similar product.
*               Please help us continue to provide the Embedded community with the finest
*               software available.  Your honesty is greatly appreciated.
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*
*                                        BOARD SUPPORT PACKAGE
*
*                                     ST Microelectronics STM32
*                                              with the
*                                   STM3210B-EVAL Evaluation Board
*
* Filename      : bsp.c
* Version       : V1.00
* Programmer(s) : Brian Nagel
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                             INCLUDE FILES
*********************************************************************************************************
*/

#define  BSP_GLOBALS
#include <includes.h>




static void RCC_Config(void)
{
  static volatile ErrorStatus HSEStartUpStatus = SUCCESS;
  /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration -----------------------------*/   
  /* RCC system reset(for debug purpose) */
  RCC_DeInit();

  /* Enable HSE */
  RCC_HSEConfig(RCC_HSE_ON);

  /* Wait till HSE is ready */
  HSEStartUpStatus = RCC_WaitForHSEStartUp();

  if(HSEStartUpStatus == SUCCESS)
    {
     /* Enable Prefetch Buffer */
     FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);

     /* Flash 2 wait state */
     FLASH_SetLatency(FLASH_Latency_2);
    
     /* HCLK = SYSCLK */
     RCC_HCLKConfig(RCC_SYSCLK_Div1); 
  
     /* PCLK2 = HCLK */
     RCC_PCLK2Config(RCC_HCLK_Div1); 
 
     /* PCLK1 = HCLK/2 */
     RCC_PCLK1Config(RCC_HCLK_Div2);
 
     /* PLLCLK = 8MHz * 9 = 72 MHz */
     RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
 
     /* Enable PLL */ 
     RCC_PLLCmd(ENABLE);
 
     /* Wait till PLL is ready */
     while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
       {
       }
 
     /* Select PLL as system clock source */
     RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
 
     /* Wait till PLL is used as system clock source */
     while(RCC_GetSYSCLKSource() != 0x08)
      {
      }
    }
}


static void GPIO_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

   /* Enable GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE|RCC_APB2Periph_GPIOF|RCC_APB2Periph_GPIOG|RCC_APB2Periph_AFIO,ENABLE);

  /*LED管脚初始化*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;  //LED1,LED2,LED3,LED4
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  //推挽输出
  GPIO_Init(GPIOF,&GPIO_InitStructure);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;	    //核心板上的LED
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  //推挽输出
  GPIO_Init(GPIOC,&GPIO_InitStructure);


   /*UP-------------PG15
   	 LEFT-----------PG14
	 RIGHT----------PG13
	 SEL------------PG7
	 User-----------PG8
	 Wakeup---------PA0
	 Tamper---------PC13
	 DOWN-----------PD3	*/

  /*按键管脚初始化*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //上拉输入
  GPIO_Init(GPIOG,&GPIO_InitStructure);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //上拉输入
  GPIO_Init(GPIOD,&GPIO_InitStructure);



  /*LCD背光管脚初始化*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;	    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  //推挽输出
  GPIO_Init(GPIOA,&GPIO_InitStructure);

  //外部中断管脚配置,触摸屏的中断输入为PE6
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;	    
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;  //浮空输入
  GPIO_Init(GPIOE,&GPIO_InitStructure);
  GPIO_EXTILineConfig(GPIO_PortSourceGPIOE,GPIO_PinSource6);

}



static void SPI_Config(void) 
{ 
  GPIO_InitTypeDef  GPIO_InitStructure; 
  SPI_InitTypeDef   SPI_InitStructure; 

  //GPIOA Periph clock enable
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); 
  //GPIOF Periph clock enable
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF,ENABLE); 
  //SPI1 Periph clock enable 
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1,ENABLE); 

  //Configure SPI1 pins: SCK, MISO and MOSI 
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;   //复用推挽输出
  GPIO_Init(GPIOA,&GPIO_InitStructure);  

  //配置触摸屏片选信号PF10 
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 	//推挽输出
  GPIO_Init(GPIOF,&GPIO_InitStructure); 

  //配置触摸屏Busy信号PE2
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //上拉输入
  GPIO_Init(GPIOE,&GPIO_InitStructure);

  // SPI1 Config for Touch Panel 
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; 
  SPI_InitStructure.SPI_Mode = SPI_Mode_Master; 
  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; 
  SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; 
  SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; 
  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;   
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_128; 
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; 
  SPI_InitStructure.SPI_CRCPolynomial = 7; 
  SPI_Init(SPI1,&SPI_InitStructure); 

  // SPI1 enable  
  SPI_Cmd(SPI1,ENABLE);  
}



static void Interrupt_Config(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;
  EXTI_InitTypeDef EXTI_InitStructure;

  /* Deinitializes the NVIC */
  NVIC_DeInit();

  /* Set the Vector Table base address at 0x08000000 */
  NVIC_SetVectorTable(NVIC_VectTab_FLASH,0x00);

  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);

  NVIC_SystemHandlerPriorityConfig(SystemHandler_SysTick,0,0);
//NVIC_SystemHandlerPriorityConfig(SystemHandler_PSV,3,3);


  /* Enable the EXTI6 Interrupt */
  NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure); 

   
   /*Enable the EXTI Line6 Interrupt*/
  EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
  EXTI_InitStructure.EXTI_Line = EXTI_Line6;
  EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
  EXTI_InitStructure.EXTI_LineCmd = ENABLE;
  EXTI_Init(&EXTI_InitStructure);  

}


static void SysTick_Config(void)
{
  RCC_ClocksTypeDef  rcc_clocks;
  CPU_INT32U         cnts;

  RCC_GetClocksFreq(&rcc_clocks);
  cnts = (CPU_INT32U)rcc_clocks.HCLK_Frequency/OS_TICKS_PER_SEC;
  SysTick_SetReload(cnts);
  SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK);
  SysTick_CounterCmd(SysTick_Counter_Enable);
  SysTick_ITConfig(ENABLE);
}

/*
*********************************************************************************************************
*                                         BSP INITIALIZATION
*
* Description : This function should be called by your application code before you make use of any of the
*               functions found in this module.
*
* Arguments   : none
*********************************************************************************************************
*/

void  BSP_Init(void)
{
  RCC_Config();
  GPIO_Config();
  SPI_Config();
  Interrupt_Config();
  SysTick_Config();         /* Initialize the uC/OS-II tick interrupt */
  LcdBkColorON();
}


/*
*********************************************************************************************************
*                                     DISABLE ALL INTERRUPTS
*
* Description : This function disables all interrupts from the interrupt controller.
*
* Arguments   : None.
*
* Returns     : None.
*********************************************************************************************************
*/

void  BSP_IntDisAll (void)
{
   CPU_IntDis();
}