//------------------------------------------------------------------------------
// Cypress provided (C) 2005 framework for the FX2LP USB microcontroller.
// All rights reserved.
// Update from Piero Giubilato to fit the PARROT project.
//------------------------------------------------------------------------------

//______________________________________________________________________________
// {Trace}
// [File name] "FX2Hooks.c"
// [Author] "Cypress"
// [Modified by] "Piero Giubilato"
// [Last revision] "02 Nov 2007"
// [Language] "C Standard"
// [Compiler] "Keil uVision 3.53"
// [Member of] "FX2 Firmware"
// [Project] "PARROT"
// [Description] "This file contains the hooks called by the firmware framework
// upon different USB status condition. The only relevant one used by the PARROT 
// system is the TD_Init, called once at startup, that is used to put the device
// into a so-called Slave FIFO Mode by setting the internal registers as defined
// inside SlaveFIFOMode.c"
// [Key documentation] "Cypress EZ-USB Technical Reference Manual"
// {Trace}
//______________________________________________________________________________

//______________________________________________________________________________
// {Description}
//
//
//
//
//
//
// {Description}
//______________________________________________________________________________



#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

// External functions
void SlaveFIFOMode (void);	// Set up the Slave FIFO Mode


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

// Called once at startup, this routine is used to initialize the system.
// Here there is a call to the sub that contains all the settings necessary
// to put the device in a SlaveFIFO mode (contained into SlaveFIFOMode.c).
void TD_Init(void)
{
   // Put the device into a FIFO Slave Mode
   SlaveFIFOMode();
}

// Called repeatedly while the device is idle
void TD_Poll(void) {}

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

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


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


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

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

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

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

// Called when a Set Interface command is received
BOOL DR_GetInterface(void)
{
   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	{}
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 {}