Merge branch 'mb_eeprom'

9 files changed, 0 insertions, 1081 deletions

diff --git a/firmware/fx2/lib/.gitignore b/firmware/fx2/lib/.gitignore
deleted file mode 100644
index 04f253234..000000000
--- a/firmware/fx2/lib/.gitignore
+++ /dev/null
@@ -1,18 +0,0 @@
-/*.ihx
-/*.lnk
-/*.lst
-/*.map
-/*.mem
-/*.rel
-/*.rst
-/*.sym
-/blink_leds.asm
-/usrp_common.asm
-/command_loop.asm
-/fpga.asm
-/*.asm
-/usrp_gpif.c
-/usrp_gpif_inline.h
-/*.lib
-/Makefile
-/Makefile.in
diff --git a/firmware/fx2/lib/Makefile.am b/firmware/fx2/lib/Makefile.am
deleted file mode 100644
index f9e1b2317..000000000
--- a/firmware/fx2/lib/Makefile.am
+++ /dev/null
@@ -1,79 +0,0 @@
-#
-# Copyright 2003 Free Software Foundation, Inc.
-# 
-# This file is part of GNU Radio
-# 
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-# 
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-# 
-
-EXTRA_DIST = 		\
-	delay.c		\
-	fx2utils.c	\
-	i2c.c		\
-	isr.c		\
-	timer.c		\
-	usb_common.c
-
-
-
-DEFINES=
-FW_INCLUDES=-I$(top_srcdir)/include
-
-# with EA = 0, the FX2 implements a portion of the 8051 "external memory"
-# on chip.  This memory is mapped like this:
-#
-# The bottom 8K of memory (0x0000 - 0x1fff) is used for both data and
-# code accesses.  There's also 512 bytes for data only from 0xe000 - 0xe1ff.
-#
-# We tell the linker to start the xdata segment at 0x1800, 6K up from
-# the bottom.
-
-LINKOPTS = --code-loc 0x0000 --code-size 0x1800 --xram-loc 0x1800 --xram-size 0x0800
-
-LIBRARY = libfx2.lib
-
-LIBOBJS = 		\
-	delay.rel	\
-	fx2utils.rel	\
-	i2c.rel		\
-	isr.rel		\
-	timer.rel	\
-	usb_common.rel
-
-
-
-all: libfx2.lib
-
-.c.rel:
-	$(XCC) $(FW_INCLUDES) $(DEFINES) -c $< -o $@
-
-$(LIBRARY): $(LIBOBJS)
-	-rm -f $(LIBRARY)
-	touch $(LIBRARY)
-	for obj in $(LIBOBJS); do basename $$obj .rel >> $(LIBRARY) ; done
-
-
-CLEANFILES = \
-	*.ihx *.lnk *.lst *.map *.mem *.rel *.rst *.sym *.asm *.lib
-
-DISTCLEANFILES = \
-	*.ihx *.lnk *.lst *.map *.mem *.rel *.rst *.sym *.asm *.lib
-
-install: all
-
-
-# dependencies
-
diff --git a/firmware/fx2/lib/delay.c b/firmware/fx2/lib/delay.c
deleted file mode 100644
index 13cf0eec8..000000000
--- a/firmware/fx2/lib/delay.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-/*
- * Delay approximately 1 microsecond (including overhead in udelay).
- */
-static void
-udelay1 (void) _naked
-{
-  _asm				; lcall that got us here took 4 bus cycles
-	ret			; 4 bus cycles
-  _endasm;
-}
-
-/*
- * delay for approximately usecs microseconds
- */
-void
-udelay (unsigned char usecs)
-{
-  do {
-    udelay1 ();
-  } while (--usecs != 0);
-}
-
-
-/*
- * Delay approximately 1 millisecond.
- * We're running at 48 MHz, so we need 48,000 clock cycles.
- *
- * Note however, that each bus cycle takes 4 clock cycles (not obvious,
- * but explains the factor of 4 problem below).
- */
-static void
-mdelay1 (void) _naked
-{
-  _asm
-	mov	dptr,#(-1200 & 0xffff)
-002$:	
-	inc	dptr		; 3 bus cycles
-	mov	a, dpl		; 2 bus cycles
-	orl	a, dph		; 2 bus cycles
-	jnz	002$		; 3 bus cycles
-
-	ret
-  _endasm;
-}
-
-void
-mdelay (unsigned int msecs)
-{
-  do {
-    mdelay1 ();
-  } while (--msecs != 0);
-}
-
-	
diff --git a/firmware/fx2/lib/fx2utils.c b/firmware/fx2/lib/fx2utils.c
deleted file mode 100644
index 64ffcc896..000000000
--- a/firmware/fx2/lib/fx2utils.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "fx2utils.h"
-#include "fx2regs.h"
-#include "delay.h"
-
-void
-fx2_stall_ep0 (void)
-{
-  EP0CS |= bmEPSTALL;
-}
-
-void
-fx2_reset_data_toggle (unsigned char ep)
-{
-  TOGCTL = ((ep & 0x80) >> 3 | (ep & 0x0f));
-  TOGCTL |= bmRESETTOGGLE;
-}
-
-void
-fx2_renumerate (void)
-{
-  USBCS |= bmDISCON | bmRENUM;
-
-  // mdelay (1500);		// FIXME why 1.5 seconds?
-  mdelay (250);			// FIXME why 1.5 seconds?
-  
-  USBIRQ = 0xff;		// clear any pending USB irqs...
-  EPIRQ =  0xff;		//   they're from before the renumeration
-
-  EXIF &= ~bmEXIF_USBINT;
-
-  USBCS &= ~bmDISCON;		// reconnect USB
-}
diff --git a/firmware/fx2/lib/i2c-compiler-bug.c b/firmware/fx2/lib/i2c-compiler-bug.c
deleted file mode 100644
index 360b779bc..000000000
--- a/firmware/fx2/lib/i2c-compiler-bug.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "i2c.h"
-#include "fx2regs.h"
-#include <string.h>
-
-
-// issue a stop bus cycle and wait for completion
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len)
-{
-  volatile unsigned char	junk;
-  
-  if (len == 0)			// reading zero bytes always works
-    return 1;
-  
-  // memset (buf, 0, len);		// FIXME, remove
-
-  while (I2CS & bmSTOP)		// wait for stop to clear
-    ;
-
-
-  I2CS = bmSTART;
-  I2DAT = (addr << 1) | 1;	// write address and direction (1's the read bit)
-
-  while ((I2CS & bmDONE) == 0)
-    ;
-
-  if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-    goto fail;
-
-  if (len == 1)
-    I2CS |= bmLASTRD;		
-
-  junk = I2DAT;			// trigger the first read cycle
-
-#if 1
-  while (len != 1){
-    while ((I2CS & bmDONE) == 0)
-      ;
-
-    if (I2CS & bmBERR)
-      goto fail;
-
-    len--;
-    if (len == 1)
-      I2CS |= bmLASTRD;
-    
-    *buf++ = I2DAT;		// get data, trigger another read
-  }
-#endif
-
-  // wait for final byte
-  
-  while ((I2CS & bmDONE) == 0)
-    ;
-  
-  if (I2CS & bmBERR)
-    goto fail;
-
-  I2CS |= bmSTOP;
-  *buf = I2DAT;
-
-  return 1;
-
- fail:
-  I2CS |= bmSTOP;
-  return 0;
-}
-
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len)
-{
-  while (I2CS & bmSTOP)		// wait for stop to clear
-    ;
-
-  I2CS = bmSTART;
-  I2DAT = (addr << 1) | 0;	// write address and direction (0's the write bit)
-
-  while ((I2CS & bmDONE) == 0)
-    ;
-
-  if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-    goto fail;
-
-  while (len > 0){
-    I2DAT = *buf++;
-    len--;
-
-    while ((I2CS & bmDONE) == 0)
-      ;
-
-    if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-      goto fail;
-  }
-
-  I2CS |= bmSTOP;
-  return 1;
-
- fail:
-  I2CS |= bmSTOP;
-  return 0;
-}
diff --git a/firmware/fx2/lib/i2c.c b/firmware/fx2/lib/i2c.c
deleted file mode 100644
index 0f238b5cf..000000000
--- a/firmware/fx2/lib/i2c.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "i2c.h"
-#include "fx2regs.h"
-#include <string.h>
-
-
-// issue a stop bus cycle and wait for completion
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len)
-{
-  volatile unsigned char	junk;
-  
-  if (len == 0)			// reading zero bytes always works
-    return 1;
-  
-  while (I2CS & bmSTOP)		// wait for stop to clear
-    ;
-
-  I2CS = bmSTART;
-  I2DAT = (addr << 1) | 1;	// write address and direction (1's the read bit)
-
-  while ((I2CS & bmDONE) == 0)
-    ;
-
-  if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-    goto fail;
-
-  if (len == 1)
-    I2CS |= bmLASTRD;		
-
-  junk = I2DAT;			// trigger the first read cycle
-
-  while (--len != 0){
-    while ((I2CS & bmDONE) == 0)
-      ;
-
-    if (I2CS & bmBERR)
-      goto fail;
-
-    if (len == 1)
-      I2CS |= bmLASTRD;
-    
-    *buf++ = I2DAT;		// get data, trigger another read
-  }
-
-  // wait for final byte
-  
-  while ((I2CS & bmDONE) == 0)
-    ;
-  
-  if (I2CS & bmBERR)
-    goto fail;
-
-  I2CS |= bmSTOP;
-  *buf = I2DAT;
-
-  return 1;
-
- fail:
-  I2CS |= bmSTOP;
-  return 0;
-}
-
-
-
-// returns non-zero if successful, else 0
-unsigned char
-i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len)
-{
-  while (I2CS & bmSTOP)		// wait for stop to clear
-    ;
-
-  I2CS = bmSTART;
-  I2DAT = (addr << 1) | 0;	// write address and direction (0's the write bit)
-
-  while ((I2CS & bmDONE) == 0)
-    ;
-
-  if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-    goto fail;
-
-  while (len > 0){
-    I2DAT = *buf++;
-    len--;
-
-    while ((I2CS & bmDONE) == 0)
-      ;
-
-    if ((I2CS & bmBERR) || (I2CS & bmACK) == 0)	// no device answered...
-      goto fail;
-  }
-
-  I2CS |= bmSTOP;
-  return 1;
-
- fail:
-  I2CS |= bmSTOP;
-  return 0;
-}
diff --git a/firmware/fx2/lib/isr.c b/firmware/fx2/lib/isr.c
deleted file mode 100644
index 05412daf5..000000000
--- a/firmware/fx2/lib/isr.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "isr.h"
-#include "fx2regs.h"
-#include "syncdelay.h"
-
-extern xdata unsigned char _standard_interrupt_vector[];
-extern xdata unsigned char _usb_autovector[];
-extern xdata unsigned char _fifo_gpif_autovector[];
-
-#define LJMP_OPCODE	0x02
-
-/*
- * Hook standard interrupt vector.
- *
- * vector_number is from the SV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void 
-hook_sv (unsigned char vector_number, unsigned short addr)
-{
-  bit	t;
-  
-  // sanity checks
-
-  if (vector_number < SV_MIN || vector_number > SV_MAX)
-    return;
-
-  if ((vector_number & 0x0f) != 0x03 && (vector_number & 0x0f) != 0x0b)
-    return;
-
-  t = EA;
-  EA = 0;
-  _standard_interrupt_vector[vector_number] = LJMP_OPCODE;
-  _standard_interrupt_vector[vector_number + 1] = addr >> 8;
-  _standard_interrupt_vector[vector_number + 2] = addr & 0xff;
-  EA = t;
-}
-
-/*
- * Hook usb interrupt vector.
- *
- * vector_number is from the UV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void 
-hook_uv (unsigned char vector_number, unsigned short addr)
-{
-  bit	t;
-  
-  // sanity checks
-
-  if (vector_number < UV_MIN || vector_number > UV_MAX)
-    return;
-
-  if ((vector_number & 0x3) != 0)
-    return;
-
-  t = EA;
-  EA = 0;
-  _usb_autovector[vector_number] = LJMP_OPCODE;
-  _usb_autovector[vector_number + 1] = addr >> 8;
-  _usb_autovector[vector_number + 2] = addr & 0xff;
-  EA = t;
-}
-
-/*
- * Hook fifo/gpif interrupt vector.
- *
- * vector_number is from the FGV_<foo> list.
- * addr is the address of the interrupt service routine.
- */
-void 
-hook_fgv (unsigned char vector_number, unsigned short addr)
-{
-  bit	t;
-  
-  // sanity checks
-
-  if (vector_number < FGV_MIN || vector_number > FGV_MAX)
-    return;
-
-  if ((vector_number & 0x3) != 0)
-    return;
-
-  t = EA;
-  EA = 0;
-  _fifo_gpif_autovector[vector_number] = LJMP_OPCODE;
-  _fifo_gpif_autovector[vector_number + 1] = addr >> 8;
-  _fifo_gpif_autovector[vector_number + 2] = addr & 0xff;
-  EA = t;
-}
-
-/*
- * One time call to enable autovectoring for both USB and FIFO/GPIF.
- *
- * This disables all USB and FIFO/GPIF interrupts and clears
- * any pending interrupts too.  It leaves the master USB and FIFO/GPIF
- * interrupts enabled.
- */
-void
-setup_autovectors (void)
-{
-  // disable master usb and fifo/gpif interrupt enables
-  EIUSB = 0;
-  EIEX4 = 0;
-
-  hook_sv (SV_INT_2, (unsigned short) _usb_autovector);
-  hook_sv (SV_INT_4, (unsigned short) _fifo_gpif_autovector);
-
-  // disable all fifo interrupt enables
-  SYNCDELAY;
-  EP2FIFOIE = 0;	SYNCDELAY;
-  EP4FIFOIE = 0;	SYNCDELAY;
-  EP6FIFOIE = 0;	SYNCDELAY;
-  EP8FIFOIE = 0;	SYNCDELAY;
-
-  // clear all pending fifo irqs	
-  EP2FIFOIRQ = 0xff;	SYNCDELAY;
-  EP4FIFOIRQ = 0xff;	SYNCDELAY;
-  EP6FIFOIRQ = 0xff;	SYNCDELAY;
-  EP8FIFOIRQ = 0xff;	SYNCDELAY;
-
-  IBNIE  = 0;
-  IBNIRQ = 0xff;
-  NAKIE  = 0;
-  NAKIRQ = 0xff;
-  USBIE  = 0;
-  USBIRQ = 0xff;
-  EPIE   = 0;
-  EPIRQ  = 0xff;
-  SYNCDELAY;	GPIFIE = 0;		
-  SYNCDELAY;	GPIFIRQ = 0xff;
-  USBERRIE = 0;
-  USBERRIRQ = 0xff;
-  CLRERRCNT = 0;
-  
-  INTSETUP = bmAV2EN | bmAV4EN | bmINT4IN;
-
-  // clear master irq's for usb and fifo/gpif
-  EXIF &= ~bmEXIF_USBINT;
-  EXIF &= ~bmEXIF_IE4;
-  
-  // enable master usb and fifo/gpif interrrupts
-  EIUSB = 1;
-  EIEX4 = 1;
-}
diff --git a/firmware/fx2/lib/timer.c b/firmware/fx2/lib/timer.c
deleted file mode 100644
index 97e2f7cf9..000000000
--- a/firmware/fx2/lib/timer.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "timer.h"
-#include "fx2regs.h"
-#include "isr.h"
-
-/*
- * Arrange to have isr_tick_handler called at 100 Hz.
- *
- * The cpu clock is running at 48e6.  The input to the timer
- * is 48e6 / 12 = 4e6.
- *
- * We arrange to have the timer overflow every 40000 clocks == 100 Hz
- */
-
-#define	RELOAD_VALUE	((unsigned short) -40000)
-
-void 
-hook_timer_tick (unsigned short isr_tick_handler)
-{
-  ET2 = 0;			// disable timer 2 interrupts
-  hook_sv (SV_TIMER_2, isr_tick_handler);
-  
-  RCAP2H = RELOAD_VALUE >> 8;	// setup the auto reload value
-  RCAP2L = RELOAD_VALUE;
-
-  T2CON = 0x04;			// interrupt on overflow; reload; run
-  ET2 = 1;			// enable timer 2 interrupts
-}
diff --git a/firmware/fx2/lib/usb_common.c b/firmware/fx2/lib/usb_common.c
deleted file mode 100644
index 3b0547b2f..000000000
--- a/firmware/fx2/lib/usb_common.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "usb_common.h"
-#include "fx2regs.h"
-#include "syncdelay.h"
-#include "fx2utils.h"
-#include "isr.h"
-#include "usb_descriptors.h"
-#include "usb_requests.h"
-
-extern xdata char str0[];
-extern xdata char str1[];
-extern xdata char str2[];
-extern xdata char str3[];
-extern xdata char str4[];
-extern xdata char str5[];
-
-
-#define	bRequestType	SETUPDAT[0]
-#define	bRequest	SETUPDAT[1]
-#define	wValueL		SETUPDAT[2]
-#define	wValueH		SETUPDAT[3]
-#define	wIndexL		SETUPDAT[4]
-#define	wIndexH		SETUPDAT[5]
-#define	wLengthL	SETUPDAT[6]
-#define	wLengthH	SETUPDAT[7]
-
-#define MSB(x)	(((unsigned short) x) >> 8)
-#define LSB(x)	(((unsigned short) x) & 0xff)
-
-volatile bit _usb_got_SUDAV;
-
-unsigned char	_usb_config = 0;
-unsigned char	_usb_alt_setting = 0;	// FIXME really 1/interface
-
-xdata unsigned char *current_device_descr;
-xdata unsigned char *current_devqual_descr;
-xdata unsigned char *current_config_descr;
-xdata unsigned char *other_config_descr;
-
-static void
-setup_descriptors (void)
-{
-  if (USBCS & bmHSM){		// high speed mode
-    current_device_descr  = high_speed_device_descr;
-    current_devqual_descr = high_speed_devqual_descr;
-    current_config_descr  = high_speed_config_descr;
-    other_config_descr    = full_speed_config_descr;
-  }
-  else {
-    current_device_descr  = full_speed_device_descr;
-    current_devqual_descr = full_speed_devqual_descr;
-    current_config_descr  = full_speed_config_descr;
-    other_config_descr    = high_speed_config_descr;
-  }
-
-  // whack the type fields
-  // FIXME, may not be required.
-  // current_config_descr[1] = DT_CONFIG;
-  // other_config_descr[1]   = DT_OTHER_SPEED;
-}
-
-static void
-isr_SUDAV (void) interrupt
-{
-  clear_usb_irq ();
-  _usb_got_SUDAV = 1;
-}
-
-static void
-isr_USBRESET (void) interrupt
-{
-  clear_usb_irq ();
-  setup_descriptors ();
-}
-
-static void
-isr_HIGHSPEED (void) interrupt
-{
-  clear_usb_irq ();
-  setup_descriptors ();
-}
-
-void
-usb_install_handlers (void)
-{
-  setup_descriptors ();	    // ensure that they're set before use
-
-  hook_uv (UV_SUDAV,     (unsigned short) isr_SUDAV);
-  hook_uv (UV_USBRESET,  (unsigned short) isr_USBRESET);
-  hook_uv (UV_HIGHSPEED, (unsigned short) isr_HIGHSPEED);
-
-  USBIE = bmSUDAV | bmURES | bmHSGRANT;
-}
-
-// On the FX2 the only plausible endpoints are 0, 1, 2, 4, 6, 8
-// This doesn't check to see that they're enabled
-
-unsigned char
-plausible_endpoint (unsigned char ep)
-{
-  ep &= ~0x80;	// ignore direction bit
-
-  if (ep > 8)
-    return 0;
-
-  if (ep == 1)
-    return 1;
-
-  return (ep & 0x1) == 0;	// must be even
-}
-
-// return pointer to control and status register for endpoint.
-// only called with plausible_endpoints
-
-xdata volatile unsigned char *
-epcs (unsigned char ep)
-{
-  if (ep == 0x01)		// ep1 has different in and out CS regs
-    return EP1OUTCS;
-
-  if (ep == 0x81)
-    return EP1INCS;
-
-  ep &= ~0x80;			// ignore direction bit
-
-  if (ep == 0x00)		// ep0
-    return EP0CS;
-
-  return EP2CS + (ep >> 1);	// 2, 4, 6, 8 are consecutive
-}
-
-void
-usb_handle_setup_packet (void)
-{
-  _usb_got_SUDAV = 0;
-
-  // handle the standard requests...
-
-  switch (bRequestType & bmRT_TYPE_MASK){
-
-  case bmRT_TYPE_CLASS:
-  case bmRT_TYPE_RESERVED:
-    fx2_stall_ep0 ();		// we don't handle these.  indicate error
-    break;
-    
-  case bmRT_TYPE_VENDOR:
-    // call the application code.
-    // If it handles the command it returns non-zero
-
-    if (!app_vendor_cmd ())	
-      fx2_stall_ep0 ();
-    break;
-
-  case bmRT_TYPE_STD:
-    // these are the standard requests...
-
-    if ((bRequestType & bmRT_DIR_MASK) == bmRT_DIR_IN){
-
-      ////////////////////////////////////
-      //    handle the IN requests
-      ////////////////////////////////////
-
-      switch (bRequest){
-
-      case RQ_GET_CONFIG:
-	EP0BUF[0] = _usb_config;	// FIXME app should handle
-	EP0BCH = 0;
-	EP0BCL = 1;
-	break;
-	
-      // --------------------------------
-
-      case RQ_GET_INTERFACE:
-	EP0BUF[0] = _usb_alt_setting;	// FIXME app should handle
-	EP0BCH = 0;
-	EP0BCL = 1;
-	break;
-
-      // --------------------------------
-
-      case RQ_GET_DESCR:
-	switch (wValueH){
-
-	case DT_DEVICE:
-	  SUDPTRH = MSB (current_device_descr);
-	  SUDPTRL = LSB (current_device_descr);
-	  break;
-	  
-	case DT_DEVQUAL:
-	  SUDPTRH = MSB (current_devqual_descr);
-	  SUDPTRL = LSB (current_devqual_descr);
-	  break;
-
-	case DT_CONFIG:
-	  if (0 && wValueL != 1)	// FIXME only a single configuration
-	    fx2_stall_ep0 ();
-	  else {
-	    SUDPTRH = MSB (current_config_descr);
-	    SUDPTRL = LSB (current_config_descr);
-	  }
-	  break;
-
-	case DT_OTHER_SPEED:
-	  if (0 && wValueL != 1)	// FIXME only a single configuration
-	    fx2_stall_ep0 ();
-	  else {
-	    SUDPTRH = MSB (other_config_descr);
-	    SUDPTRL = LSB (other_config_descr);
-	  }
-	  break;
-
-	case DT_STRING:
-	  if (wValueL >= nstring_descriptors)
-	    fx2_stall_ep0 ();
-	  else {
-	    xdata char *p = string_descriptors[wValueL];
-	    SUDPTRH = MSB (p);
-	    SUDPTRL = LSB (p);
-	  }
-	  break;
-
-	default:
-	  fx2_stall_ep0 ();	// invalid request
-	  break;
-	}
-	break;
-	
-      // --------------------------------
-
-      case RQ_GET_STATUS:
-	switch (bRequestType & bmRT_RECIP_MASK){
-	case bmRT_RECIP_DEVICE:
-	  EP0BUF[0] = bmGSDA_SELF_POWERED;	// FIXME app should handle
-	  EP0BUF[1] = 0;
-	  EP0BCH = 0;
-	  EP0BCL = 2;
-	  break;
-
-	case bmRT_RECIP_INTERFACE:
-	  EP0BUF[0] = 0;
-	  EP0BUF[1] = 0;
-	  EP0BCH = 0;
-	  EP0BCL = 2;
-	  break;
-
-	case bmRT_RECIP_ENDPOINT:
-	  if (plausible_endpoint (wIndexL)){
-	    EP0BUF[0] = *epcs (wIndexL) & bmEPSTALL;
-	    EP0BUF[1] = 0;
-	    EP0BCH = 0;
-	    EP0BCL = 2;
-	  }
-	  else
-	    fx2_stall_ep0 ();
-	  break;
-
-	default:
-	  fx2_stall_ep0 ();
-	  break;
-	}
-	break;
-
-      // --------------------------------
-
-      case RQ_SYNCH_FRAME:	// not implemented
-      default:
-	fx2_stall_ep0 ();
-	break;
-      }
-    }
-
-    else {
-
-      ////////////////////////////////////
-      //    handle the OUT requests
-      ////////////////////////////////////
-
-      switch (bRequest){
-
-      case RQ_SET_CONFIG:
-	_usb_config = wValueL;		// FIXME app should handle
-	break;
-
-      case RQ_SET_INTERFACE:
-	_usb_alt_setting = wValueL;	// FIXME app should handle
-	break;
-
-      // --------------------------------
-
-      case RQ_CLEAR_FEATURE:
-	switch (bRequestType & bmRT_RECIP_MASK){
-
-	case bmRT_RECIP_DEVICE:
-	  switch (wValueL){
-	  case FS_DEV_REMOTE_WAKEUP:
-	  default:
-	    fx2_stall_ep0 ();
-	  }
-	  break;
-
-	case bmRT_RECIP_ENDPOINT:
-	  if (wValueL == FS_ENDPOINT_HALT && plausible_endpoint (wIndexL)){
-	    *epcs (wIndexL) &= ~bmEPSTALL;
-	    fx2_reset_data_toggle (wIndexL);
-	  }
-	  else
-	    fx2_stall_ep0 ();
-	  break;
-
-	default:
-	  fx2_stall_ep0 ();
-	  break;
-	}
-	break;
-
-      // --------------------------------
-
-      case RQ_SET_FEATURE:
-	switch (bRequestType & bmRT_RECIP_MASK){
-
-	case bmRT_RECIP_DEVICE:
-	  switch (wValueL){
-	  case FS_TEST_MODE:
-	    // hardware handles this after we complete SETUP phase handshake
-	    break;
-
-	  case FS_DEV_REMOTE_WAKEUP:
-	  default:
-	    fx2_stall_ep0 ();
-	    break;
-	  }
-	}
-	break;
-
-      case bmRT_RECIP_ENDPOINT:
-	switch (wValueL){
-	case FS_ENDPOINT_HALT:
-	  if (plausible_endpoint (wIndexL))
-	    *epcs (wIndexL) |= bmEPSTALL;
-	  else
-	    fx2_stall_ep0 ();
-	  break;
-
-	default:
-	  fx2_stall_ep0 ();
-	  break;
-	}
-	break;
-
-      // --------------------------------
-
-      case RQ_SET_ADDRESS:	// handled by fx2 hardware
-      case RQ_SET_DESCR:	// not implemented
-      default:
-	fx2_stall_ep0 ();
-      }
-
-    }
-    break;
-
-  }	// bmRT_TYPE_MASK
-
-  // ack handshake phase of device request
-  EP0CS |= bmHSNAK;
-}