bulkext.c

基于MSP430的CYpress USB芯片68013的开发

//-----------------------------------------------------------------------------
//   File:      bulkext.c
//   Contents:  Hooks required to implement USB peripheral function.
//
// $Archive: /USB/Examples/FX2LP/bulkext/bulkext.c $
// $Date: 3/23/05 2:53p $
// $Revision: 3 $
//
//
//-----------------------------------------------------------------------------
// Copyright 2003, Cypress Semiconductor Corporation
//-----------------------------------------------------------------------------
#pragma NOIV               // Do not generate interrupt vectors
#include "fx2.h"
#include "fx2regs.h"
#include "syncdly.h"            // SYNCDELAY macro

extern BOOL GotSUD;             // Received setup data flag
extern BOOL Sleep;
extern BOOL Rwuen;
extern BOOL Selfpwr;

BYTE Configuration;             // Current configuration
BYTE AlternateSetting;          // Alternate settings

//-----------------------------------------------------------------------------
// Task Dispatcher hooks
//   The following hooks are called by the task dispatcher.
//-----------------------------------------------------------------------------

void TD_Init(void)             // Called once at startup
{   // set the CPU clock to 48MHz   
 // CPUCS = 0x10 ;   
 // set the slave FIFO interface to 48MHz  
  IFCONFIG = 0xCB; // 0 - external IFCLK, 1 - internal IFCLK 
        // 0 - when internal clock, 0 - 30MHz; 1 - 48MHz
        // 0 - ignore
        // 0 - ignore
        // 0 - sync IFCLK, 1 - ansync
        // 0 - no state drive
        // 11 - Slave fifo, external master*** 
  SYNCDELAY;
  REVCTL = 0X01;    // enable the external master  
  SYNCDELAY;  
SYNCDELAY;                    // see TRM section 15.14  
EP2CFG = 0xA2;   // 1 - valid
        // 1 - in
        // 10 - bulk
        // 1 - 1024, 0 - 512 

        // 0 - always
        // 00 - 4 x buffer
SYNCDELAY;
EP8CFG = 0XE0;
SYNCDELAY;
 FIFORESET = 0x80;//RESET EP2FIFO
 SYNCDELAY;
 FIFORESET = 0x02;
 SYNCDELAY;
 FIFORESET = 0x04;
 SYNCDELAY;
 FIFORESET = 0x06;
 SYNCDELAY;
 FIFORESET = 0x08;
 SYNCDELAY;
 FIFORESET = 0x00;
 SYNCDELAY;
 PINFLAGSAB = 0x8F;  // flaga - ep8ff, flagb - ep2ef
SYNCDELAY;
FIFOPINPOLAR=0x00;//低电平有效
SYNCDELAY;
EP2FIFOCFG = 0X00;//ENDPOINT2 AUTOOUT 8BIT WORDWIDE 
EP2FIFOCFG = 0X10;//ENDPOINT2 AUTOOUT=1 8BIT WORDWIDE 
SYNCDELAY; 
EP8FIFOCFG = 0X0C;
SYNCDELAY; 
EP8AUTOINLENH = 0x00; // set core AUTO commit len = 512 bytes 
SYNCDELAY; 
EP8AUTOINLENL = 0x40; 

/* OUTPKTEND = 0X82; 
 SYNCDELAY;  
 OUTPKTEND = 0X82;  // since the defaults are double buffered we must write dummy byte counts twice  
SYNCDELAY;                    
/*EP2BCL = 0x80;                // arm EP2OUT by writing byte count w/skip.  
SYNCDELAY;                    
 EP2BCL = 0x80;  
SYNCDELAY;    */         
   /* AUTOPTRSETUP |= 0x01; 
 Rwuen = FALSE;  */
}  // Enable remote-wakeup

void TD_Poll(void)              // Called repeatedly while the device is idle
{  /* if(!(EP2468STAT & bmEP2EMPTY)) 
 {    
EP2FIFOBUF[0]=EP2BCL;
 SYNCDELAY;    
OUTPKTEND = 0X02; 
 }*/ 
}

BOOL TD_Suspend(void)          // Called before the device goes into suspend mode
{
   return(TRUE);
}

BOOL TD_Resume(void)          // Called after the device resumes
{
   return(TRUE);
}

//-----------------------------------------------------------------------------
// Device Request hooks
//   The following hooks are called by the end point 0 device request parser.
//-----------------------------------------------------------------------------

BOOL DR_GetDescriptor(void)
{
   return(TRUE);
}

BOOL DR_SetConfiguration(void)   // Called when a Set Configuration command is received
{
   Configuration = SETUPDAT[2];
   return(TRUE);            // Handled by user code
}

BOOL DR_GetConfiguration(void)   // Called when a Get Configuration command is received
{
   EP0BUF[0] = Configuration;
   EP0BCH = 0;
   EP0BCL = 1;
   return(TRUE);            // Handled by user code
}

BOOL DR_SetInterface(void)       // Called when a Set Interface command is received
{
   AlternateSetting = SETUPDAT[2];
   return(TRUE);            // Handled by user code
}

BOOL DR_GetInterface(void)       // Called when a Set Interface command is received
{
   EP0BUF[0] = AlternateSetting;
   EP0BCH = 0;
   EP0BCL = 1;
   return(TRUE);            // Handled by user code
}

BOOL DR_GetStatus(void)
{
   return(TRUE);
}

BOOL DR_ClearFeature(void)
{
   return(TRUE);
}

BOOL DR_SetFeature(void)
{
   return(TRUE);
}

BOOL DR_VendorCmnd(void)
{
   return(TRUE);
}

//-----------------------------------------------------------------------------
// USB Interrupt Handlers
//   The following functions are called by the USB interrupt jump table.
//-----------------------------------------------------------------------------

// Setup Data Available Interrupt Handler
void ISR_Sudav(void) interrupt 0
{
   GotSUD = TRUE;            // Set flag
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUDAV;         // Clear SUDAV IRQ
}

// Setup Token Interrupt Handler
void ISR_Sutok(void) interrupt 0
{
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUTOK;         // Clear SUTOK IRQ
}

void ISR_Sof(void) interrupt 0
{
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSOF;            // Clear SOF IRQ
}

void ISR_Ures(void) interrupt 0
{
   if (EZUSB_HIGHSPEED())
   {
      pConfigDscr = pHighSpeedConfigDscr;
      pOtherConfigDscr = pFullSpeedConfigDscr;
   }
   else
   {
      pConfigDscr = pFullSpeedConfigDscr;
      pOtherConfigDscr = pHighSpeedConfigDscr;
   }
   
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmURES;         // Clear URES IRQ
}

void ISR_Susp(void) interrupt 0
{
   Sleep = TRUE;
   EZUSB_IRQ_CLEAR();
   USBIRQ = bmSUSP;
}

void ISR_Highspeed(void) interrupt 0
{
   if (EZUSB_HIGHSPEED())
   {
      pConfigDscr = pHighSpeedConfigDscr;
      pOtherConfigDscr = pFullSpeedConfigDscr;
   }
   else
   {
      pConfigDscr = pFullSpeedConfigDscr;
      pOtherConfigDscr = pHighSpeedConfigDscr;
   }

   EZUSB_IRQ_CLEAR();
   USBIRQ = bmHSGRANT;
}
void ISR_Ep0ack(void) interrupt 0
{
}
void ISR_Stub(void) interrupt 0
{
}
void ISR_Ep0in(void) interrupt 0
{
}
void ISR_Ep0out(void) interrupt 0
{
}
void ISR_Ep1in(void) interrupt 0
{
}
void ISR_Ep1out(void) interrupt 0
{
}
void ISR_Ep2inout(void) interrupt 0
{
}
void ISR_Ep4inout(void) interrupt 0
{
}
void ISR_Ep6inout(void) interrupt 0
{
}
void ISR_Ep8inout(void) interrupt 0
{
}
void ISR_Ibn(void) interrupt 0
{
}
void ISR_Ep0pingnak(void) interrupt 0
{
}
void ISR_Ep1pingnak(void) interrupt 0
{
}
void ISR_Ep2pingnak(void) interrupt 0
{
}
void ISR_Ep4pingnak(void) interrupt 0
{
}
void ISR_Ep6pingnak(void) interrupt 0
{
}
void ISR_Ep8pingnak(void) interrupt 0
{
}
void ISR_Errorlimit(void) interrupt 0
{
}
void ISR_Ep2piderror(void) interrupt 0
{
}
void ISR_Ep4piderror(void) interrupt 0
{
}
void ISR_Ep6piderror(void) interrupt 0
{
}
void ISR_Ep8piderror(void) interrupt 0
{
}
void ISR_Ep2pflag(void) interrupt 0
{
}
void ISR_Ep4pflag(void) interrupt 0
{
}
void ISR_Ep6pflag(void) interrupt 0
{
}
void ISR_Ep8pflag(void) interrupt 0
{
}
void ISR_Ep2eflag(void) interrupt 0
{
}
void ISR_Ep4eflag(void) interrupt 0
{
}
void ISR_Ep6eflag(void) interrupt 0
{
}
void ISR_Ep8eflag(void) interrupt 0
{
}
void ISR_Ep2fflag(void) interrupt 0
{
}
void ISR_Ep4fflag(void) interrupt 0
{
}
void ISR_Ep6fflag(void) interrupt 0
{
}
void ISR_Ep8fflag(void) interrupt 0
{
}
void ISR_GpifComplete(void) interrupt 0
{
}
void ISR_GpifWaveform(void) interrupt 0
{
}