hw_config.c

STM32实现读卡器功能,适用于STM32E-EVAL开发板

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : hw_config.c
* Author             : MCD Application Team
* Version            : V2.2.0
* Date               : 06/13/2008
* Description        : Hardware Configuration & Setup
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"
#include "hw_config.h"
#include "sdcard.h"
#include "platform_config.h"
#include "mass_mal.h"
#include "usb_desc.h"
#include "usb_pwr.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
ErrorStatus HSEStartUpStatus;

/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void RCC_Config(void);
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : Set_System
* Description    : Configures Main system clocks & power
* Input          : None.
* Return         : None.
*******************************************************************************/
void Set_System(void)
{

  /* RCC configuration */
  RCC_Config();

  /* Enable and GPIOD clock */
  USB_Disconnect_Config();

  /* MAL configuration */
  MAL_Config();
}

/*******************************************************************************
* Function Name  : Set_USBClock
* Description    : Configures USB Clock input (48MHz)
* Input          : None.
* Return         : None.
*******************************************************************************/
void Set_USBClock(void)
{
  /* USBCLK = PLLCLK */
  RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5);

  /* Enable USB clock */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
}

/*******************************************************************************
* Function Name  : Enter_LowPowerMode
* Description    : Power-off system clocks and power while entering suspend mode
* Input          : None.
* Return         : None.
*******************************************************************************/
void Enter_LowPowerMode(void)
{
  /* Set the device state to suspend */
  bDeviceState = SUSPENDED;
}

/*******************************************************************************
* Function Name  : Leave_LowPowerMode
* Description    : Restores system clocks and power while exiting suspend mode
* Input          : None.
* Return         : None.
*******************************************************************************/
void Leave_LowPowerMode(void)
{
  DEVICE_INFO *pInfo = &Device_Info;

  /* Set the device state to the correct state */
  if (pInfo->Current_Configuration != 0)
  {
    /* Device configured */
    bDeviceState = CONFIGURED;
  }
  else
  {
    bDeviceState = ATTACHED;
  }

}

/*******************************************************************************
* Function Name  : USB_Interrupts_Config
* Description    : Configures the USB interrupts
* Input          : None.
* Return         : None.
*******************************************************************************/
void USB_Interrupts_Config(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;

#ifdef  VECT_TAB_RAM
  /* Set the Vector Table base location at 0x20000000 */
  NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else  /* VECT_TAB_FLASH */
  /* Set the Vector Table base location at 0x08000000 */
  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif

  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

  NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN_RX0_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);

  NVIC_InitStructure.NVIC_IRQChannel = USB_HP_CAN_TX_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  
  NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQChannel;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);

}

/*******************************************************************************
* Function Name  : Led_Config
* Description    : configure the Read/Write LEDs.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Led_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable USB_LED_PORT clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_LED, ENABLE);

  /* Configure USB_LED_PORT pin6, pin7, pin8 and pin9 as output push-pull */
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(USB_LED_PORT, &GPIO_InitStructure);
}

/*******************************************************************************
* Function Name  : Led_RW_ON
* Description    : Turn ON the Read/Write LEDs.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Led_RW_ON(void)
{
  GPIO_SetBits(USB_LED_PORT, GPIO_Pin_8);
}

/*******************************************************************************
* Function Name  : Led_RW_OFF
* Description    : Turn off the Read/Write LEDs.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Led_RW_OFF(void)
{
  GPIO_ResetBits(USB_LED_PORT, GPIO_Pin_8);
}
/*******************************************************************************
* Function Name  : USB_Configured_LED
* Description    : Turn ON the Read/Write LEDs.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void USB_Configured_LED(void)
{
  GPIO_SetBits(USB_LED_PORT, GPIO_Pin_6);
}

/*******************************************************************************
* Function Name  : USB_NotConfigured_LED
* Description    : Turn off the Read/Write LEDs.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void USB_NotConfigured_LED(void)
{
  GPIO_ResetBits(USB_LED_PORT, GPIO_Pin_6);
}

/*******************************************************************************
* Function Name  : USB_Cable_Config
* Description    : Software Connection/Disconnection of USB Cable.
* Input          : None.
* Return         : Status
*******************************************************************************/
void USB_Cable_Config (FunctionalState NewState)
{
  if (NewState != DISABLE)
  {
    GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN);
  }
  else
  {
    GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN);
  }
}

/*******************************************************************************
* Function Name  : Get_SerialNum.
* Description    : Create the serial number string descriptor.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Get_SerialNum(void)
{
  u32 Device_Serial0, Device_Serial1, Device_Serial2;

  Device_Serial0 = *(vu32*)(0x1FFFF7E8);
  Device_Serial1 = *(vu32*)(0x1FFFF7EC);
  Device_Serial2 = *(vu32*)(0x1FFFF7F0);

  if (Device_Serial0 != 0)
  {
    MASS_StringSerial[2] = (u8)(Device_Serial0 & 0x000000FF);
    MASS_StringSerial[4] = (u8)((Device_Serial0 & 0x0000FF00) >> 8);
    MASS_StringSerial[6] = (u8)((Device_Serial0 & 0x00FF0000) >> 16);
    MASS_StringSerial[8] = (u8)((Device_Serial0 & 0xFF000000) >> 24);

    MASS_StringSerial[10] = (u8)(Device_Serial1 & 0x000000FF);
    MASS_StringSerial[12] = (u8)((Device_Serial1 & 0x0000FF00) >> 8);
    MASS_StringSerial[14] = (u8)((Device_Serial1 & 0x00FF0000) >> 16);
    MASS_StringSerial[16] = (u8)((Device_Serial1 & 0xFF000000) >> 24);

    MASS_StringSerial[18] = (u8)(Device_Serial2 & 0x000000FF);
    MASS_StringSerial[20] = (u8)((Device_Serial2 & 0x0000FF00) >> 8);
    MASS_StringSerial[22] = (u8)((Device_Serial2 & 0x00FF0000) >> 16);
    MASS_StringSerial[24] = (u8)((Device_Serial2 & 0xFF000000) >> 24);
  }
}

/*******************************************************************************
* Function Name  : Set_System
* Description    : Configures Main system clocks & power
* Input          : None.
* Return         : None.
*******************************************************************************/
static void RCC_Config(void)
{

  /* 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);

    /* ADCCLK = PCLK2/6 */
    RCC_ADCCLKConfig(RCC_PCLK2_Div6);


    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)
    {}
  }
}

/*******************************************************************************
* Function Name  : MAL_Config
* Description    : MAL_layer configuration
* Input          : None.
* Return         : None.
*******************************************************************************/
void MAL_Config(void)
{
  MAL_Init(0);
#ifdef USE_STM3210E_EVAL
  /* Enable the FSMC Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
  MAL_Init(1);
#endif
}

/*******************************************************************************
* Function Name  : USB_Disconnect_Config
* Description    : Disconnect pin configuration
* Input          : None.
* Return         : None.
*******************************************************************************/
void USB_Disconnect_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Enable USB_DISCONNECT GPIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT, ENABLE);

  /* USB_DISCONNECT_PIN used as USB pull-up */
  GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
  GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure);
}

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/