FPUSB.C

baba | 2008-11-17 09:49:28 阅读：3130

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来源：http://read.pudn.com/downloads64/sourcecode/embed/225373/68013-firmware/FPUSB.C__.htm
#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// ...these have been replaced by GPIFTC[B3:B0] registers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
{
}

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