sinwavegeneral.c

68013的USB通讯测试程序

#pragma NOIV               // Do not generate interrupt vectors
//-----------------------------------------------------------------------------
//   File:      periph.c
//   Contents:   Hooks required to implement USB peripheral function.
//
//   Copyright (c) 1997 AnchorChips, Inc. All rights reserved
//-----------------------------------------------------------------------------
#include "fx2.h"
#include "fx2regs.h"
#include "Ezusb.h"
#include "fx2sdly.h"

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

extern code int sinw[];
char send_flag=0;
char* dat=(char*) sinw;

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
{
   BREAKPT &= ~bmBPEN;      // to see BKPT LED go out TGE
   Rwuen = TRUE;            // Enable remote-wakeup
   
      REVCTL = 0x03;	

   SYNCDELAY;
   EP2CFG=0xA0;				//端点2有效，OUT端点，批量，四倍512缓存
   SYNCDELAY;
   EP6CFG=0xE0;				//端点2有效，IN端点，批量，四倍512缓存
   SYNCDELAY;

   EP4CFG=0;				//端点无效
   SYNCDELAY;
   EP8CFG=0;				//端点无效
   SYNCDELAY;

   EP2FIFOCFG = 0x00;//AUTO OUT 8-BIT BUS
   SYNCDELAY; 
   EP6FIFOCFG = 0x00;//AUTO IN  8-BIT BUS
   SYNCDELAY; 

  SYNCDELAY;                    // 
  FIFORESET = 0x80;             // activate NAK-ALL to avoid race conditions
  SYNCDELAY;                    // 
  FIFORESET = 0x02;             // reset, FIFO 2
  SYNCDELAY;                    // 
  FIFORESET = 0x04;             // reset, FIFO 4
  SYNCDELAY;                    // 
  FIFORESET = 0x06;             // reset, FIFO 6
  SYNCDELAY;                    // 
  FIFORESET = 0x08;             // reset, FIFO 8
  SYNCDELAY;                    // 
  FIFORESET = 0x00;             // deactivate NAK-ALL
  SYNCDELAY;

  EPIRQ = 0xFF;
  SYNCDELAY; 
  EPIE |= 0x10;     //enable the ep2 inout interrupt

OUTPKTEND = 0x82;
SYNCDELAY; 




}

void TD_Poll(void)             // Called repeatedly while the device is idle
{
 int i;

 if ((EP6CS&0x08)==0 && send_flag==1)			//查看满标志，未满，且允许发送
  	 {
	 for (i=0;i<480;i++)
		{
		 EP6FIFOBUF[i]=*(dat+i);
		}
	 //INPKTEND=6;

	 SYNCDELAY;
	 EP6BCH = 480>>8;
	 SYNCDELAY;
	 EP6BCL = 480&0x00ff;
	 INPKTEND = 0x86;
	 }

}

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
{
   // whenever we get a USB reset, we should revert to full speed mode
   pConfigDscr = pFullSpeedConfigDscr;
   ((CONFIGDSCR xdata *) pConfigDscr)->type = CONFIG_DSCR;
   pOtherConfigDscr = pHighSpeedConfigDscr;
   ((CONFIGDSCR xdata *) pOtherConfigDscr)->type = OTHERSPEED_DSCR;
   
   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;
      ((CONFIGDSCR xdata *) pConfigDscr)->type = CONFIG_DSCR;
      pOtherConfigDscr = pFullSpeedConfigDscr;
      ((CONFIGDSCR xdata *) pOtherConfigDscr)->type = OTHERSPEED_DSCR;
   }

   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
{

 if (EP2BCH==0)
 {
  SYNCDELAY;
  if (EP2BCL==2)
  	{
	 if (EP2FIFOBUF[0]=='S' && EP2FIFOBUF[1]=='T')		//启动传送
	 {
	  send_flag=1;
	 }
	 if (EP2FIFOBUF[0]=='E' && EP2FIFOBUF[1]=='D')
	 {
	  send_flag=0;
	 }
	}
 }

    OUTPKTEND = 0x82;       
	EZUSB_IRQ_CLEAR();
	EPIRQ = 0x10; 
}
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
{
}