usb_ail.c

ST72T63游戏杆源程序

/**************** (c) 1998                      STMicroelectronics **********************

PROJECT : USB - ST7
COMPILER : ST7 HICROSS C (HIWARE)

MODULE  :  usb_ail.c
VERSION :  V 1.0

CREATION DATE :  25/05/98

AUTHOR : / MICROCONTROLLER DIVISION / ST Rousset

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DESCRIPTION : ST7263 USB Application Interface Layer.

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

MODIFICATIONS :


******************************************************************************/

#include <hidef.h>
#include "usb_var.h"
#include "usr_var.h"
#include "lib_bits.h"
#include "define.h"
#include "usbrc.h"
#include "CondComp.h"
#include "usb_ail.h"
#include "descript.h"

/*-----------------------------------------------------------------------------
ROUTINE NAME : TransmitEP0
INPUT/OUTPUT : Endpoint#, data pointer, byte Length
DESCRIPTION               : Write data in the RAM space of the USB DMA and send these data
-----------------------------------------------------------------------------*/
Bool TransmitEP0(Byte *Data, Byte DataLength)
{ 
int i;
  if(!GetEP0TxValidStatus())     // The Endpoint is not valided, there is no data we can send
  {
                         for (i=0; i<DataLength; i++)
                         Endpoint0.Tx[i] = *(Data + i);
                         SetEP0TxTbc(DataLength);                                                       
                         SetEP0TxStatus(VALID);
                         return(TRUE); 
  }
  else            // There is a data in the pipe
  return(FALSE);
}

#ifdef USE_ENDPOINT1_IN
/*-----------------------------------------------------------------------------
ROUTINE NAME : TransmitEP1
INPUT/OUTPUT : Endpoint#, data pointer, byte Length
DESCRIPTION               : Write data in the RAM space of the USB DMA and send these data
-----------------------------------------------------------------------------*/
Bool TransmitEP1(Byte *Data, Byte DataLength)
{ 
int i;
  if(!GetEP1TxValidStatus()) // The Endpoint is not valided, there is no data
  {
                         for (i=0; i<DataLength; i++)
                         Endpoint1[i] = *(Data + i);
                         SetEP1TxTbc(DataLength);                                                       
                         SetEP1TxStatus(VALID);
                         return(TRUE); 
  }
  else    // There is a data in the pipe
  return(FALSE);
}
#endif

#ifdef USE_ENDPOINT2_IN
/*-----------------------------------------------------------------------------
ROUTINE NAME : TransmitEP2
INPUT/OUTPUT : Endpoint#, data pointer, byte Length
DESCRIPTION               : Write data in the RAM space of the USB DMA and send these data
-----------------------------------------------------------------------------*/
Bool TransmitEP2(Byte *Data, Byte DataLength)
{ 
int i;
  if(!GetEP2TxValidStatus())    // The Endpoint is not valided, there is no data
  {
                         for (i=0; i<DataLength; i++)
                         Endpoint2[i] = *(Data + i);
                         SetEP2TxTbc(DataLength);                                                       
                         SetEP2TxStatus(VALID);
                         return(TRUE); 
  }
  else  // There is a data in the pipe
  return(FALSE);
}
#endif

/*-----------------------------------------------------------------------------
ROUTINE NAME : ReceiveEP0
INPUT/OUTPUT : data pointer, byte number
DESCRIPTION               : Read data in the RAM space of the USB DMA
-----------------------------------------------------------------------------*/
void ReceiveEP0(Byte *DataReceived) 
{ int i;
  Byte ByteNumber;
  
        ByteNumber = GetEP0RxCNT();  

        for (i=0; i<ByteNumber; i++)
                *(DataReceived+i) = Endpoint0.Rx[i];
} 

/*-----------------------------------------------------------------------------
ROUTINE NAME : SetEndP0TxStatus
INPUT/OUTPUT : endpoint number and status values
DESCRIPTION      : Write the status of Tx endpoint
-----------------------------------------------------------------------------*/
void SetEndP0TxStatus(Byte Status)
{
    SetEP0TxStatus(Status);
}

/*-----------------------------------------------------------------------------
ROUTINE NAME : GetIdle
INPUT/OUTPUT : None
DESCRIPTION               : Send an idle to the host
-----------------------------------------------------------------------------*/
void GetIdle(void)
{
        TransmitEP0(&Idle, 1);
} 

/*-----------------------------------------------------------------------------
ROUTINE NAME : SetIdle
INPUT/OUTPUT : None
DESCRIPTION               : Set an idle received from the host
-----------------------------------------------------------------------------*/
void SetIdle(void)
{
        Idle = UsbwValue[1];
} 

/*-----------------------------------------------------------------------------
ROUTINE NAME : AdditionalString
INPUT/OUTPUT : None
DESCRIPTION  : Get Additional String
-----------------------------------------------------------------------------*/
void AdditionalString(void)
{
        if(UsbwValue[0] == INDEX_ADDSTRING0) // Get Additional String
                CurrentUsbbLength = LENGTH_ADDSTRING0;
        if(UsbwValue[0] == INDEX_ADDSTRING1) // Get Additional String
                CurrentUsbbLength = LENGTH_ADDSTRING1;
}