scusb.c

psoc_usb的代码,用来小卡测试的.没事下下来

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

#include "fx2.h"
#include "fx2regs.h"
#include "syncdly.h"            // SYNCDELAY macro
#include "scmain.h"

//-----------------------------------------------------------------------------
// extern function for smallcard test
//-----------------------------------------------------------------------------
extern int user_init();
extern int user_loop();
extern int sc_main(char *cmd_buff,int size);  
extern void sc_process_blinking();

//-----------------------------------------------------------------------------
//extern & define  for usb firmware framework
//-----------------------------------------------------------------------------
extern BOOL GotSUD;             // Received setup data flag
extern BOOL Sleep;
extern BOOL Rwuen;
extern BOOL Selfpwr;

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

extern BYTE xdata g_in_buffer[BUFF_LENGTH];
extern WORD xdata g_loopcount;
extern WORD xdata g_in_buffer_len;
//-----------------------------------------------------------------------------
// 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 = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;

    // set the slave FIFO interface to 48MHz
    IFCONFIG |= 0x40;
       
    // Registers which require a synchronization delay, see section 15.14
    // FIFORESET        FIFOPINPOLAR
    // INPKTEND         OUTPKTEND
    // EPxBCH:L         REVCTL
    // GPIFTCB3         GPIFTCB2
    // GPIFTCB1         GPIFTCB0
    // EPxFIFOPFH:L     EPxAUTOINLENH:L
    // EPxFIFOCFG       EPxGPIFFLGSEL
    // PINFLAGSxx       EPxFIFOIRQ
    // EPxFIFOIE        GPIFIRQ
    // GPIFIE           GPIFADRH:L
    // UDMACRCH:L       EPxGPIFTRIG
    // GPIFTRIG
    
    // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
    //      ...these have been replaced by GPIFTC[B3:B0] registers
    
    // default: all endpoints have their VALID bit set
    // default: TYPE1 = 1 and TYPE0 = 0 --> BULK  
    // default: EP2 and EP4 DIR bits are 0 (OUT direction)
    // default: EP6 and EP8 DIR bits are 1 (IN direction)
    // default: EP2, EP4, EP6, and EP8 are double buffered
  
    // we are just using the default values, yes this is not necessary...
    EP1OUTCFG = 0xA0;
    EP1INCFG = 0xA0;
    SYNCDELAY;                    // see TRM section 15.14
    EP2CFG = 0xA2;
    SYNCDELAY;                    
    EP6CFG = 0xE2;
    
    SYNCDELAY;                    
    EP4CFG = 0xA0;
    SYNCDELAY;                    
    EP8CFG = 0xE0;
  
    // out endpoints do not come up armed
    // 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;                    
    EP4BCL = 0x80;                // arm EP4OUT by writing byte count w/skip.
    SYNCDELAY;                    
    EP4BCL = 0x80;    
  
    // enable dual autopointer feature
    AUTOPTRSETUP |= 0x01;
    
    //init variable
    g_in_buffer_len = 0;
    
    //call user init function
    user_init();
}

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

    // if there is new data in EP2FIFOBUF, then copy it to a temporary buffer
    if(!(EP2468STAT & bmEP2EMPTY)) {
        // Source is EP2OUT
        APTR1H = MSB( &EP2FIFOBUF );
        APTR1L = LSB( &EP2FIFOBUF );
        
        // Destination is external RAM
        AUTOPTRH2 = MSB( &g_in_buffer );
        AUTOPTRL2 = LSB( &g_in_buffer );
            
        g_in_buffer_len = (EP2BCH << 8) + EP2BCL;
        for( i = 0x0000; i < g_in_buffer_len; i++ ) {
            EXTAUTODAT2 = EXTAUTODAT1;
        }

        SYNCDELAY;                    
        EP2BCL = 0x80;                      // re(arm) EP2OUT

        if (g_in_buffer_len){
            g_in_buffer_len = sc_main(g_in_buffer,g_in_buffer_len);
        }        
    }
    
    // if there is room in EP6IN, then copy the contents of the temporarty buffer to it
    if(!(EP2468STAT & bmEP6FULL) && g_in_buffer_len) {
        APTR1H = MSB( &g_in_buffer );
        APTR1L = LSB( &g_in_buffer );

        AUTOPTRH2 = MSB( &EP6FIFOBUF );
        AUTOPTRL2 = LSB( &EP6FIFOBUF );

        for( i = 0x0000; i < g_in_buffer_len; i++ ) {
            EXTAUTODAT2 = EXTAUTODAT1;
        }
        
        SYNCDELAY;                    // 
        EP6BCH = MSB(g_in_buffer_len);
        SYNCDELAY;                    // 
        EP6BCL = LSB(g_in_buffer_len);  // arm EP6IN
        
        g_in_buffer_len=0;        
    }

    //use EP4(out) & EP8(in) as loop test 
    if(!(EP2468STAT & bmEP4EMPTY)) { // check EP4 EMPTY(busy) bit in EP2468STAT (SFR), core set's this bit when FIFO is empty
         if(!(EP2468STAT & bmEP8FULL)) {  // check EP8 FULL(busy) bit in EP2468STAT (SFR), core set's this bit when FIFO is full
              APTR1H = MSB( &EP4FIFOBUF );
              APTR1L = LSB( &EP4FIFOBUF );
      
              AUTOPTRH2 = MSB( &EP8FIFOBUF );
              AUTOPTRL2 = LSB( &EP8FIFOBUF );
      
              count = (EP4BCH << 8) + EP4BCL;
              // loop EP4OUT buffer data to EP8IN
              for( i = 0x0000; i < count; i++ ) {
                 // setup to transfer EP4OUT buffer to EP8IN buffer using AUTOPOINTER(s)
                 EXTAUTODAT2 = EXTAUTODAT1;
              }
              EP8BCH = EP4BCH;  
              SYNCDELAY;  
              EP8BCL = EP4BCL;        // arm EP8IN
              SYNCDELAY;                    
              EP4BCL = 0x80;          // re(arm) EP4OUT
         }
    }

    //process blinking                
    if (0 == (g_loopcount%5000)) {
        sc_process_blinking();
    }
    
    //process user loop
    if (0 == (g_loopcount%1000)) {
        user_loop();
    }
    
    //inc counter
    g_loopcount++;
}

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
{
}