www.pudn.com > 68013-firmware.zip > FPUSB.C


#pragma NOIV               // Do not generate interrupt vectors 
 
#include "fx2.h" 
#include "fx2regs.h" 
#include "fx2sdly.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 
 
//----------------------------------------------------------------------------- 
// Constants 
//----------------------------------------------------------------------------- 
#define	VR_UPLOAD           0xc0 
#define VR_DOWNLOAD         0x40 
 
#define VR_ANCHOR_DLD       0xa0 // handled by core 
#define VR_SEND_COMMAND     0xa2 // Send Command 
#define VR_RESET_FIFO       0xa3 // Get Image 
 
//----------------------------------------------------------------------------- 
// Task Dispatcher hooks 
//   The following hooks are called by the task dispatcher. 
//----------------------------------------------------------------------------- 
 
sbit PA0 = IOA ^ 0; 
sbit PA1 = IOA ^ 1; 
sbit PA2 = IOA ^ 2; 
sbit PA3 = IOA ^ 3; 
sbit PA4 = IOA ^ 4; 
sbit PA5 = IOA ^ 5; 
sbit PA6 = IOA ^ 6; 
sbit PA7 = IOA ^ 7; 
 
bit x; 
 
void TD_Init(void)              // Called once at startup 
{ 
  // set the CPU clock to 48MHz 
  CPUCS = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ; 
	 
  // set the CPU clock to 24MHz 
  // CPUCS = 0x0A ; 
  // 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  //      ...these have been replaced by GPIFTC[B3:B0] registers 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 
 
  REVCTL = 0x03; // MUST set REVCTL.0 and REVCTL.1 to 1 
  SYNCDELAY; 
   
   
  // 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;                    //  
  EP4CFG = 0xA0;				//0xA0; 
  SYNCDELAY;                    //  
  EP6CFG = 0xE2; 
  SYNCDELAY;                    //  
  EP8CFG = 0xE0; 
  SYNCDELAY;                    //  
 
  // out endpoints do not come up armed 
   
  // since the defaults are double buffered we must write dummy byte counts twice 
  EP2BCL = 0x80;                // arm EP2OUT by writing byte count w/skip. 
  SYNCDELAY;                    //  
  EP4BCL = 0x80;     
  SYNCDELAY;                    //  
  EP2BCL = 0x80;                // arm EP4OUT by writing byte count w/skip. 
  SYNCDELAY;                    //  
  EP4BCL = 0x80;     
  SYNCDELAY;                    //  
      
 
  FIFORESET = 0x80; // reset all FIFOs 
  SYNCDELAY; 
  FIFORESET = 0x02; 
  SYNCDELAY; 
  FIFORESET = 0x04; 
  SYNCDELAY; 
  FIFORESET = 0x06; 
  SYNCDELAY; 
  FIFORESET = 0x08; 
  SYNCDELAY; 
  FIFORESET = 0x00; 
  SYNCDELAY; 
 
  IFCONFIG = 0xcb;   // this defines the external interface to be the following: 
                     // use IFCLK pin driven by internal logic, clk frequency is 48MHz 
                     // use slave FIFO interface pins driven async by external master 
  SYNCDELAY; 
 
//-------------------------设置端点6\8为自动输入模式-------------------- 
 
  EP6AUTOINLENH = 02;  // EP6 auto in length: 512  //512:02  64:00 
  SYNCDELAY; 
  EP6AUTOINLENL = 00;							 //512:00   64:64 
  SYNCDELAY; 
 
  EP8AUTOINLENH = 02;  // EP8 auto in length: 512  //512:02  64:00 
  SYNCDELAY; 
  EP8AUTOINLENL = 00;							 //512:00   64:64 
  SYNCDELAY; 
 
  //-----------------------设置端点4为CPU commit模式---------------------- 
  EP2FIFOCFG = 0x00; // this lets the EP4 auto=0 commit OUT packets, 
                     // and sets the slave FIFO data interface to 8-bits 
  SYNCDELAY; 
   
  EP4FIFOCFG = 0x00; // this lets the EP4 auto=0 commit OUT packets, 
                     // and sets the slave FIFO data interface to 8-bits 
  SYNCDELAY; 
 
  OUTPKTEND = 0x84; // Arm both EP4 buffers to “prime the pump” 
  SYNCDELAY; 
  OUTPKTEND = 0x84; 
  SYNCDELAY; 
 
   
 
  EP6FIFOCFG = 0x08; // this lets the EP6 auto commit IN packets, 
                     // and sets the slave FIFO data interface to 8-bits 
  SYNCDELAY; 
 
  EP8FIFOCFG = 0x08; // this lets the EP8 auto commit IN packets, 
                     // and sets the slave FIFO data interface to 8-bits 
  SYNCDELAY; 
 
 
//----------------------------------------------------------------------------- 
 
  PINFLAGSAB = 0x00; // defines FLAGA as prog-level flag, pointed to by FIFOADR[1:0] 
                     // FLAGB as full flag, as pointed to by FIFOADR[1:0] 
  SYNCDELAY; 
 
  PINFLAGSCD = 0x00; // FLAGC as empty flag, as pointed to by FIFOADR[1:0] 
  SYNCDELAY; 
 
  PORTACFG = 0x00;   // used PA7/FLAGD  a PORTA pin  ,no as a FIFO flag SLCS 
  SYNCDELAY; 
 
  FIFOPINPOLAR = 0x00; // set all slave FIFO interface pins as active low 
  SYNCDELAY; 
   
   if (EZUSB_HIGHSPEED()) 
   { 
      EP6AUTOINLENH = 02;  // EP6 auto in length: 512  //512:02  64:00 
 	  SYNCDELAY; 
      EP6AUTOINLENL = 00;							 //512:00   64:64 
      SYNCDELAY; 
 
      EP8AUTOINLENH = 02;  // EP8 auto in length: 512  //512:02  64:00 
      SYNCDELAY; 
      EP8AUTOINLENL = 00;							 //512:00   64:64 
      SYNCDELAY; 
	  PA7=0; 
   } 
   else 
   { 
      EP6AUTOINLENH = 00;  // EP6 auto in length:  64:00 
      SYNCDELAY; 
      EP6AUTOINLENL = 64;							 //64:64 
      SYNCDELAY; 
 
      EP8AUTOINLENH = 00;  // EP8 auto in length:  //00 
      SYNCDELAY; 
      EP8AUTOINLENL = 64;							 //64 
      SYNCDELAY; 
	  PA7=1; 
   } 
 
 
 
  OEA = 0x8b; 
  IOA &= 0x88; 
  x=0;     
} 
 
void TD_Poll(void)              // Called repeatedly while the device is idle 
{ 
	 
	if( (!x)&& (EZUSB_HIGHSPEED()) ) 
	 {EP6AUTOINLENH = 02;  // EP6 auto in length: 512  //512:02  64:00 
 	  SYNCDELAY; 
      EP6AUTOINLENL = 00;							 //512:00   64:64 
      SYNCDELAY; 
 
      EP8AUTOINLENH = 02;  // EP8 auto in length: 512  //512:02  64:00 
      SYNCDELAY; 
      EP8AUTOINLENL = 00;							 //512:00   64:64 
      SYNCDELAY; 
	  PA7=0; 
	  x=1; 
	 } 
	if( (x)&& (!EZUSB_HIGHSPEED()) ) 
	 {EP6AUTOINLENH = 00;  // EP6 auto in length: 512  //512:02  64:00 
 	  SYNCDELAY; 
      EP6AUTOINLENL = 64;							 //512:00   64:64 
      SYNCDELAY; 
 
      EP8AUTOINLENH = 00;  // EP8 auto in length: 512  //512:02  64:00 
      SYNCDELAY; 
      EP8AUTOINLENL = 64;							 //512:00   64:64 
      SYNCDELAY; 
	  PA7=1; 
	  x=0; 
	 } 
 
 
 	if( !( EP2468STAT & 0x04 ) ) 
	     { // EP4EF=0 when FIFO NOT empty, host sent packet 
           
		  OUTPKTEND = 0x04; // SKIP=0, pass buffer on to master 
          SYNCDELAY; 
		   
		  PA7=!PA7; 
  	     } 
 
} 
 
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) 
{ 
    switch(SETUPDAT[1]) 
    { 
		case VR_SEND_COMMAND: 
			PA0 = SETUPDAT[2] & 1; 
			PA1 = (SETUPDAT[2] >> 1) & 1; 
 
			PA3 = 0; 
			PA3 = 1; 
 
		   break; 
		case VR_RESET_FIFO: 
             
 
			FIFORESET = 0x80; // reset all FIFOs 
            SYNCDELAY; 
            FIFORESET = 0x02; 
            SYNCDELAY; 
            FIFORESET = 0x04; 
            SYNCDELAY; 
            FIFORESET = 0x06; 
            SYNCDELAY; 
            FIFORESET = 0x08; 
            SYNCDELAY; 
            FIFORESET = 0x00; 
            SYNCDELAY; 
 
            break; 
    } 
 
	return(FALSE); // no error; command handled OK 
} 
 
//----------------------------------------------------------------------------- 
// 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 
{ 
}