hw_config.c

stm32 V3.0.0版本usb全速设备源码包

/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
* File Name          : hw_config.c
* Author             : MCD Application Team
* Version            : V3.0.0
* Date               : 04/06/2009
* 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.h"
#include "spi_flash.h"
#include "hw_config.h"
#include "dfu_mal.h"
#include "usb_lib.h"
#include "usb_desc.h"
#include "platform_config.h"
#include "usb_pwr.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : Set_System.
* Description    : Configures Main system clocks & power.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Set_System(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Unlock the internal flash */
  FLASH_Unlock();

  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     initialize the PLL and update the SystemFrequency variable. */
  SystemInit();

  /* Enable "DFU enter" GPIO clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DFU, ENABLE);

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


#ifdef USE_STM3210E_EVAL
  /* Enable the FSMC Clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
#endif

  /* Configure 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);

  USB_Cable_Config(DISABLE);

  /* Init the media interface */
  MAL_Init();

  USB_Cable_Config(ENABLE);
}

/*******************************************************************************
* Function Name  : Set_USBClock.
* Description    : Configures USB Clock input (48MHz).
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Set_USBClock(void)
{
  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.
* Output         : 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.
* Output         : 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_Cable_Config.
* Description    : Software Connection/Disconnection of USB Cable.
* Input          : NewState: new state.
* Output         : None.
* Return         : None.
*******************************************************************************/
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  : DFU_Button_Config.
* Description    : Configures the DFU selector Button to enter DFU Mode.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void DFU_Button_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DFU, ENABLE);

  /* Configure DFU Button */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_InitStructure.GPIO_Pin = DFU_ENTER_PIN;
  GPIO_Init(DFU_ENTER, &GPIO_InitStructure);
}

/*******************************************************************************
* Function Name  : DFU_Button_Read.
* Description    : Reads the DFU selector Button to enter DFU Mode.
* Input          : None.
* Output         : None.
* Return         : Status
*******************************************************************************/
uint8_t DFU_Button_Read (void)
{
  return GPIO_ReadInputDataBit(DFU_ENTER, DFU_ENTER_PIN);
}

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

  NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
}

/*******************************************************************************
* Function Name  : Reset_Device.
* Description    : Reset the device.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Reset_Device(void)
{
  USB_Cable_Config(DISABLE);
  NVIC_SystemReset();
}

/*******************************************************************************
* Function Name  : Get_SerialNum.
* Description    : Create the serial number string descriptor.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Get_SerialNum(void)
{
  uint32_t Device_Serial0, Device_Serial1, Device_Serial2;

  Device_Serial0 = *(__IO uint32_t*)(0x1FFFF7E8);
  Device_Serial1 = *(__IO uint32_t*)(0x1FFFF7EC);
  Device_Serial2 = *(__IO uint32_t*)(0x1FFFF7F0);

  if (Device_Serial0 != 0)
  {
    DFU_StringSerial[2] = (uint8_t)(Device_Serial0 & 0x000000FF);
    DFU_StringSerial[4] = (uint8_t)((Device_Serial0 & 0x0000FF00) >> 8);
    DFU_StringSerial[6] = (uint8_t)((Device_Serial0 & 0x00FF0000) >> 16);
    DFU_StringSerial[8] = (uint8_t)((Device_Serial0 & 0xFF000000) >> 24);

    DFU_StringSerial[10] = (uint8_t)(Device_Serial1 & 0x000000FF);
    DFU_StringSerial[12] = (uint8_t)((Device_Serial1 & 0x0000FF00) >> 8);
    DFU_StringSerial[14] = (uint8_t)((Device_Serial1 & 0x00FF0000) >> 16);
    DFU_StringSerial[16] = (uint8_t)((Device_Serial1 & 0xFF000000) >> 24);

    DFU_StringSerial[18] = (uint8_t)(Device_Serial2 & 0x000000FF);
    DFU_StringSerial[20] = (uint8_t)((Device_Serial2 & 0x0000FF00) >> 8);
    DFU_StringSerial[22] = (uint8_t)((Device_Serial2 & 0x00FF0000) >> 16);
    DFU_StringSerial[24] = (uint8_t)((Device_Serial2 & 0xFF000000) >> 24);
  }
}

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/