/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : usb_prop.c
* Author             : MCD Application Team
* Version            : V2.2.0
* Date               : 06/13/2008
* Description        : All processing related to Mass Storage Demo
********************************************************************************
* 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 "usb_desc.h"
#include "usb_pwr.h"
#include "usb_bot.h"
#include "hw_config.h"
#include "memory.h"
#include "mass_mal.h"
#include "usb_prop.h"
#include "usb_lib.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
 
u32 Max_Lun = 0;//定義USB設備的數量,1代表2個.0代表一個   

DEVICE Device_Table =
  {
    EP_NUM,
    1
  };

DEVICE_PROP Device_Property =
  {
    MASS_init,
    MASS_Reset,
    MASS_Status_In,
    MASS_Status_Out,
    MASS_Data_Setup,
    MASS_NoData_Setup,
    MASS_Get_Interface_Setting,
    MASS_GetDeviceDescriptor,
    MASS_GetConfigDescriptor,
    MASS_GetStringDescriptor,
    0,
    0x40 /*MAX PACKET SIZE*/
  };

USER_STANDARD_REQUESTS User_Standard_Requests =
  {
    Mass_Storage_GetConfiguration,
    Mass_Storage_SetConfiguration,
    Mass_Storage_GetInterface,
    Mass_Storage_SetInterface,
    Mass_Storage_GetStatus,
    Mass_Storage_ClearFeature,
    Mass_Storage_SetEndPointFeature,
    Mass_Storage_SetDeviceFeature,
    Mass_Storage_SetDeviceAddress
  };

ONE_DESCRIPTOR Device_Descriptor =
  {
    (u8*)MASS_DeviceDescriptor,
    MASS_SIZ_DEVICE_DESC
  };

ONE_DESCRIPTOR Config_Descriptor =
  {
    (u8*)MASS_ConfigDescriptor,
    MASS_SIZ_CONFIG_DESC
  };

ONE_DESCRIPTOR String_Descriptor[5] =
  {
    {(u8*)MASS_StringLangID, MASS_SIZ_STRING_LANGID},
    {(u8*)MASS_StringVendor, MASS_SIZ_STRING_VENDOR},
    {(u8*)MASS_StringProduct, MASS_SIZ_STRING_PRODUCT},
    {(u8*)MASS_StringSerial, MASS_SIZ_STRING_SERIAL},
    {(u8*)MASS_StringInterface, MASS_SIZ_STRING_INTERFACE},
  };

/* Extern variables ----------------------------------------------------------*/
extern unsigned char Bot_State;
extern Bulk_Only_CBW CBW;

/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : MASS_init
* Description    : Mass Storage init routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void MASS_init()
{
  /* Update the serial number string descriptor with the data from the unique
  ID*/
  Get_SerialNum();

  pInformation->Current_Configuration = 0;

  /* Connect the device */
  PowerOn();

  /* USB interrupts initialization */
  /* clear pending interrupts */
  _SetISTR(0);
  wInterrupt_Mask = IMR_MSK;
  /* set interrupts mask */
  _SetCNTR(wInterrupt_Mask);

  bDeviceState = UNCONNECTED;
}

/*******************************************************************************
* Function Name  : MASS_Reset
* Description    : Mass Storage reset routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void MASS_Reset()
{
  /* Set the device as not configured */
  Device_Info.Current_Configuration = 0;

  /* Current Feature initialization */
  pInformation->Current_Feature = MASS_ConfigDescriptor[7];

  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_BULK);
  SetEPTxAddr(ENDP1, ENDP1_TXADDR);
  SetEPTxStatus(ENDP1, EP_TX_NAK);
  SetEPRxStatus(ENDP1, EP_RX_DIS);

  /* Initialize Endpoint 2 */
  SetEPType(ENDP2, EP_BULK);
  SetEPRxAddr(ENDP2, ENDP2_RXADDR);
  SetEPRxCount(ENDP2, Device_Property.MaxPacketSize);
  SetEPRxStatus(ENDP2, EP_RX_VALID);
  SetEPTxStatus(ENDP2, EP_TX_DIS);


  SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
  SetEPRxValid(ENDP0);

  /* Set the device to response on default address */
  SetDeviceAddress(0);

  bDeviceState = ATTACHED;

  CBW.dSignature = BOT_CBW_SIGNATURE;
  Bot_State = BOT_IDLE;
  USB_NotConfigured_LED();
}

/*******************************************************************************
* Function Name  : Mass_Storage_SetConfiguration
* Description    : Handle the SetConfiguration request.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Mass_Storage_SetConfiguration(void)
{
  if (pInformation->Current_Configuration != 0)
  {
    /* Device configured */
    bDeviceState = CONFIGURED;	  
    ClearDTOG_TX(ENDP1);
    ClearDTOG_RX(ENDP2);
    Bot_State = BOT_IDLE; /* set the Bot state machine to the IDLE state */
  }
}

/*******************************************************************************
* Function Name  : Mass_Storage_ClearFeature
* Description    : Handle the ClearFeature request.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Mass_Storage_ClearFeature(void)
{
  /* when the host send a CBW with invalid signature or invalid length the two
     Endpoints (IN & OUT) shall stall until receiving a Mass Storage Reset     */
  if (CBW.dSignature != BOT_CBW_SIGNATURE)
    Bot_Abort(BOTH_DIR);
}

/*******************************************************************************
* Function Name  : Mass_Storage_SetConfiguration.
* Description    : Udpade the device state to addressed.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Mass_Storage_SetDeviceAddress (void)
{
  bDeviceState = ADDRESSED;
}
/*******************************************************************************
* Function Name  : MASS_Status_In
* Description    : Mass Storage Status IN routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void MASS_Status_In(void)
{
  return;
}

/*******************************************************************************
* Function Name  : MASS_Status_Out
* Description    : Mass Storage Status OUT routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void MASS_Status_Out(void)
{
  return;
}

/*******************************************************************************
* Function Name  : MASS_Data_Setup.
* Description    : Handle the data class specific requests..
* Input          : RequestNo.
* Output         : None.
* Return         : RESULT.
*******************************************************************************/
RESULT MASS_Data_Setup(u8 RequestNo)
{
  u8    *(*CopyRoutine)(u16);

  CopyRoutine = NULL;
  if ((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
      && (RequestNo == GET_MAX_LUN) && (pInformation->USBwValue == 0)
      && (pInformation->USBwIndex == 0) && (pInformation->USBwLength == 0x01))
  {
    CopyRoutine = Get_Max_Lun;
  }
  else
  {
    return USB_UNSUPPORT;
  }

  if (CopyRoutine == NULL)
  {
    return USB_UNSUPPORT;
  }

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

  return USB_SUCCESS;

}

/*******************************************************************************
* Function Name  : MASS_NoData_Setup.
* Description    : Handle the no data class specific requests.
* Input          : RequestNo.
* Output         : None.
* Return         : RESULT.
*******************************************************************************/
RESULT MASS_NoData_Setup(u8 RequestNo)
{
  if ((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
      && (RequestNo == MASS_STORAGE_RESET) && (pInformation->USBwValue == 0)
      && (pInformation->USBwIndex == 0) && (pInformation->USBwLength == 0x00))
  {
    /* Initialize Endpoint 1 */
    ClearDTOG_TX(ENDP1);

    /* Initialize Endpoint 2 */
    ClearDTOG_RX(ENDP2);

    /*intialise the CBW signature to enable the clear feature*/
    CBW.dSignature = BOT_CBW_SIGNATURE;
    Bot_State = BOT_IDLE;

    return USB_SUCCESS;
  }
  return USB_UNSUPPORT;
}

/*******************************************************************************
* Function Name  : MASS_Get_Interface_Setting
* Description    : Test the interface and the alternate setting according to the
*                  supported one.
* Input          : u8 Interface, u8 AlternateSetting.
* Output         : None.
* Return         : RESULT.
*******************************************************************************/
RESULT MASS_Get_Interface_Setting(u8 Interface, u8 AlternateSetting)
{
  if (AlternateSetting > 0)
  {
    return USB_UNSUPPORT;/* in this application we don't have AlternateSetting*/
  }
  else if (Interface > 0)
  {
    return USB_UNSUPPORT;/*in this application we have only 1 interfaces*/
  }
  return USB_SUCCESS;
}

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

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

/*******************************************************************************
* Function Name  : MASS_GetStringDescriptor
* Description    : Get the string descriptors according to the needed index.
* Input          : u16 Length.
* Output         : None.
* Return         : None.
*******************************************************************************/
u8 *MASS_GetStringDescriptor(u16 Length)
{
  u8 wValue0 = pInformation->USBwValue0;

  if (wValue0 > 5)
  {
    return NULL;
  }
  else
  {
    return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]);
  }
}

/*******************************************************************************
* Function Name  : Get_Max_Lun
* Description    : Handle the Get Max Lun request.
* Input          : u16 Length.
* Output         : None.
* Return         : None.
*******************************************************************************/
u8 *Get_Max_Lun(u16 Length)
{
  if (Length == 0)
  {
    pInformation->Ctrl_Info.Usb_wLength = LUN_DATA_LENGTH;
    return 0;
  }
  else
  {
    return((u8*)(&Max_Lun));
  }
}

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