usb_prop.c

STM32F103 USB例子程序包括大容量存储、USB转串口

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : usb_prop.c
* Author             : MCD Application Team
* Version            : V1.0
* Date               : 10/08/2007
* Description        : All processing related to Audio Speaker Demo
********************************************************************************
* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_conf.h"
#include "usb_prop.h"
#include "usb_desc.h"
#include "usb_pwr.h"
#include "hw_config.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
u32 MUTE_DATA = 0;

DEVICE Device_Table =
  {
    EP_NUM,
    1
  };

DEVICE_PROP Device_Property =
  {
    Speaker_init,
    Speaker_Reset,
    Speaker_Status_In,
    Speaker_Status_Out,
    Speaker_Data_Setup,
    Speaker_NoData_Setup,
    Speaker_Get_Interface_Setting,
    Speaker_GetDeviceDescriptor,
    Speaker_GetConfigDescriptor,
    Speaker_GetStringDescriptor,
    0,
    0x40 /*MAX PACKET SIZE*/
  };

USER_STANDARD_REQUESTS User_Standard_Requests =
  {
    Speaker_GetConfiguration,
    Speaker_SetConfiguration,
    Speaker_GetInterface,
    Speaker_SetInterface,
    Speaker_GetStatus,
    Speaker_ClearFeature,
    Speaker_SetEndPointFeature,
    Speaker_SetDeviceFeature,
    Speaker_SetDeviceAddress
  };

ONE_DESCRIPTOR Device_Descriptor =
  {
    (u8*)Speaker_DeviceDescriptor,
    SPEAKER_SIZ_DEVICE_DESC
  };

ONE_DESCRIPTOR Config_Descriptor =
  {
    (u8*)Speaker_ConfigDescriptor,
    SPEAKER_SIZ_CONFIG_DESC
  };

ONE_DESCRIPTOR String_Descriptor[4] =
  {
    {(u8*)Speaker_StringLangID, SPEAKER_SIZ_STRING_LANGID},
    {(u8*)Speaker_StringVendor, SPEAKER_SIZ_STRING_VENDOR},
    {(u8*)Speaker_StringProduct, SPEAKER_SIZ_STRING_PRODUCT},
    {(u8*)Speaker_StringSerial, SPEAKER_SIZ_STRING_SERIAL},
  };

/* Extern variables ----------------------------------------------------------*/
extern u16 In_Data_Offset;
extern u16 Out_Data_Offset;

/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : Speaker_init.
* Description    : Speaker init routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Speaker_init()
{
  pInformation->Current_Configuration = 0;
  /* Connect the device */
  PowerOn();
  /* USB interrupts initialization */
  _SetISTR(0);               /* clear pending interrupts */
  wInterrupt_Mask = IMR_MSK;
  _SetCNTR(wInterrupt_Mask); /* set interrupts mask */
  pInformation->Current_Feature = Speaker_ConfigDescriptor[7];
  /* Wait until device is configured */
  while (pInformation->Current_Configuration == 0)
  {
    NOP_Process();
  }
  bDeviceState = CONFIGURED;
}

/*******************************************************************************
* Function Name  : Speaker_Reset.
* Description    : Speaker reset routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Speaker_Reset()
{
  /* Set Speaker device as not configured state */
  pInformation->Current_Configuration = 0;

  SetBTABLE(BTABLE_ADDRESS);

  /* Initialize Endpoint 0 */
  SetEPType(ENDP0, EP_CONTROL);
  SetEPTxStatus(ENDP0, EP_TX_NAK);
  SetEPRxAddr(ENDP0, ENDP0_RXADDR);
  SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
  SetEPTxAddr(ENDP0, ENDP0_TXADDR);
  Clear_Status_Out(ENDP0);
  SetEPRxValid(ENDP0);

  /* Initialize Endpoint 1 */
  SetEPType(ENDP1, EP_ISOCHRONOUS);
  SetEPDblBuffAddr(ENDP1, ENDP1_BUF0Addr, ENDP1_BUF1Addr);
  SetEPDblBuffCount(ENDP1, EP_DBUF_OUT, 0x40);
  ClearDTOG_RX(ENDP1);
  ClearDTOG_TX(ENDP1);
  ToggleDTOG_TX(ENDP1);
  SetEPRxStatus(ENDP1, EP_RX_VALID);
  SetEPTxStatus(ENDP1, EP_TX_DIS);

  SetEPRxValid(ENDP0);
  /* Set this device to response on default address */
  SetDeviceAddress(0);
  Speaker_Timer_Config();
  In_Data_Offset = 0;
  Out_Data_Offset = 0;
}

/*******************************************************************************
* Function Name  : Speaker_Status_In.
* Description    : Speaker Status In routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Speaker_Status_In(void)
{
}

/*******************************************************************************
* Function Name  : Speaker_Status_Out.
* Description    : Speaker Status Out routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Speaker_Status_Out (void)
{
}

/*******************************************************************************
* Function Name  : Speaker_Data_Setup
* Description    : Handle the data class specific requests.
* Input          : None.
* Output         : None.
* Return         : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
RESULT Speaker_Data_Setup(u8 RequestNo)
{
  u8 *(*CopyRoutine)(u16);
  CopyRoutine = NULL;

  if ((RequestNo == GET_CUR) || (RequestNo == SET_CUR))
  {
    CopyRoutine = Mute_Command;
  }

  else
  {
    return USB_UNSUPPORT;
  }

  pInformation->Ctrl_Info.CopyData = CopyRoutine;
  pInformation->Ctrl_Info.Usb_wOffset = 0;
  (*CopyRoutine)(0);
  return USB_SUCCESS;
}

/*******************************************************************************
* Function Name  : Speaker_NoData_Setup
* Description    : Handle the no data class specific requests.
* Input          : None.
* Output         : None.
* Return         : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
RESULT Speaker_NoData_Setup(u8 RequestNo)
{
  return USB_UNSUPPORT;
}

/*******************************************************************************
* Function Name  : Speaker_GetDeviceDescriptor.
* Description    : Get the device descriptor.
* Input          : Length : u16.
* Output         : None.
* Return         : The address of the device descriptor.
*******************************************************************************/
u8 *Speaker_GetDeviceDescriptor(u16 Length)
{
  return Standard_GetDescriptorData(Length, &Device_Descriptor);
}

/*******************************************************************************
* Function Name  : Speaker_GetConfigDescriptor.
* Description    : Get the configuration descriptor.
* Input          : Length : u16.
* Output         : None.
* Return         : The address of the configuration descriptor.
*******************************************************************************/
u8 *Speaker_GetConfigDescriptor(u16 Length)
{
  return Standard_GetDescriptorData(Length, &Config_Descriptor);
}

/*******************************************************************************
* Function Name  : Speaker_GetStringDescriptor.
* Description    : Get the string descriptors according to the needed index.
* Input          : Length : u16.
* Output         : None.
* Return         : The address of the string descriptors.
*******************************************************************************/
u8 *Speaker_GetStringDescriptor(u16 Length)
{
  u8 wValue0 = pInformation->USBwValue0;
  return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]);
}

/*******************************************************************************
* Function Name  : Speaker_Get_Interface_Setting.
* Description    : test the interface and the alternate setting according to the
*                  supported one.
* Input1         : u8: Interface : interface number.
* Input2         : u8: AlternateSetting : Alternate Setting number.
* Output         : None.
* Return         : The address of the string descriptors.
*******************************************************************************/
RESULT Speaker_Get_Interface_Setting(u8 Interface, u8 AlternateSetting)
{
  if (AlternateSetting > 1)
  {
    return USB_UNSUPPORT;
  }
  else if (Interface > 1)
  {
    return USB_UNSUPPORT;
  }
  return USB_SUCCESS;
}

/*******************************************************************************
* Function Name  : Mute_Command
* Description    : Handle the GET MUTE and SET MUTE command.
* Input          : Length : u16.
* Output         : None.
* Return         : The address of the string descriptors.
*******************************************************************************/
u8 *Mute_Command(u16 Length)
{

  if (Length == 0)
  {
    pInformation->Ctrl_Info.Usb_wLength = pInformation->USBwLengths.w;
    return NULL;
  }
  else
  {
    return((u8*)(&MUTE_DATA));
  }
}

/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/