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authorjcorgan2006-08-03 04:51:51 +0000
committerjcorgan2006-08-03 04:51:51 +0000
commit5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch)
treeb71312bf7f1e8d10fef0f3ac6f28784065e73e72 /usrp/firmware/include
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Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'usrp/firmware/include')
-rw-r--r--usrp/firmware/include/Makefile.am59
-rw-r--r--usrp/firmware/include/delay.h38
-rw-r--r--usrp/firmware/include/fpga_regs0.h42
-rw-r--r--usrp/firmware/include/fpga_regs_common.h147
-rw-r--r--usrp/firmware/include/fpga_regs_common.v114
-rw-r--r--usrp/firmware/include/fpga_regs_standard.h284
-rw-r--r--usrp/firmware/include/fpga_regs_standard.v240
-rw-r--r--usrp/firmware/include/fx2regs.h716
-rw-r--r--usrp/firmware/include/fx2utils.h31
-rwxr-xr-xusrp/firmware/include/generate_regs.py57
-rw-r--r--usrp/firmware/include/i2c.h32
-rw-r--r--usrp/firmware/include/isr.h172
-rw-r--r--usrp/firmware/include/syncdelay.h65
-rw-r--r--usrp/firmware/include/timer.h35
-rw-r--r--usrp/firmware/include/usb_common.h37
-rw-r--r--usrp/firmware/include/usb_descriptors.h40
-rw-r--r--usrp/firmware/include/usb_requests.h88
-rw-r--r--usrp/firmware/include/usrp_commands.h99
-rw-r--r--usrp/firmware/include/usrp_config.h44
-rw-r--r--usrp/firmware/include/usrp_i2c_addr.h78
-rw-r--r--usrp/firmware/include/usrp_ids.h53
-rw-r--r--usrp/firmware/include/usrp_interfaces.h47
-rw-r--r--usrp/firmware/include/usrp_spi_defs.h86
23 files changed, 2604 insertions, 0 deletions
diff --git a/usrp/firmware/include/Makefile.am b/usrp/firmware/include/Makefile.am
new file mode 100644
index 000000000..7f58d19fe
--- /dev/null
+++ b/usrp/firmware/include/Makefile.am
@@ -0,0 +1,59 @@
+#
+# 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 2, 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., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+
+include_HEADERS = \
+ usrp_i2c_addr.h \
+ usrp_spi_defs.h
+
+
+noinst_HEADERS = \
+ delay.h \
+ fpga_regs_common.h \
+ fpga_regs_common.v \
+ fpga_regs_standard.h \
+ fpga_regs_standard.v \
+ fpga_regs0.h \
+ fx2regs.h \
+ fx2utils.h \
+ i2c.h \
+ isr.h \
+ syncdelay.h \
+ timer.h \
+ usb_common.h \
+ usb_descriptors.h \
+ usb_requests.h \
+ usrp_commands.h \
+ usrp_config.h \
+ usrp_ids.h \
+ usrp_interfaces.h
+
+
+CODE_GENERATOR = \
+ generate_regs.py
+
+EXTRA_DIST = \
+ $(CODE_GENERATOR)
+
+fpga_regs_common.v: fpga_regs_common.h generate_regs.py
+ PYTHONPATH=$(top_srcdir)/usrp/firmware/include $(srcdir)/generate_regs.py $< $@
+
+fpga_regs_standard.v: fpga_regs_standard.h generate_regs.py
+ PYTHONPATH=$(top_srcdir)/usrp/firmware/include $(srcdir)/generate_regs.py $< $@
diff --git a/usrp/firmware/include/delay.h b/usrp/firmware/include/delay.h
new file mode 100644
index 000000000..c0ef19afe
--- /dev/null
+++ b/usrp/firmware/include/delay.h
@@ -0,0 +1,38 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _DELAY_H_
+#define _DELAY_H_
+
+/*
+ * delay for approximately usecs microseconds
+ * Note limit of 255 usecs.
+ */
+void udelay (unsigned char usecs);
+
+/*
+ * delay for approximately msecs milliseconds
+ */
+void mdelay (unsigned short msecs);
+
+
+#endif /* _DELAY_H_ */
diff --git a/usrp/firmware/include/fpga_regs0.h b/usrp/firmware/include/fpga_regs0.h
new file mode 100644
index 000000000..fd591dd0b
--- /dev/null
+++ b/usrp/firmware/include/fpga_regs0.h
@@ -0,0 +1,42 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _FPGA_REGS0_H_
+#define _FPGA_REGS0_H_
+
+#define FR_RX_FREQ_0 0
+#define FR_RX_FREQ_1 1
+#define FR_RX_FREQ_2 2
+#define FR_RX_FREQ_3 3
+#define FR_TX_FREQ_0 4
+#define FR_TX_FREQ_1 5
+#define FR_TX_FREQ_2 6
+#define FR_TX_FREQ_3 7
+#define FR_COMBO 8
+
+
+#define FR_ADC_CLK_DIV 128 // pseudo regs mapped to FR_COMBO by f/w
+#define FR_EXT_CLK_DIV 129
+#define FR_INTERP 130
+#define FR_DECIM 131
+
+#endif
diff --git a/usrp/firmware/include/fpga_regs_common.h b/usrp/firmware/include/fpga_regs_common.h
new file mode 100644
index 000000000..3272fdf3d
--- /dev/null
+++ b/usrp/firmware/include/fpga_regs_common.h
@@ -0,0 +1,147 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003,2004 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef INCLUDED_FPGA_REGS_COMMON_H
+#define INCLUDED_FPGA_REGS_COMMON_H
+
+// This file defines registers common to all FPGA configurations.
+// Registers 0 to 31 are reserved for use in this file.
+
+
+// The FPGA needs to know the rate that samples are coming from and
+// going to the A/D's and D/A's. div = 128e6 / sample_rate
+
+#define FR_TX_SAMPLE_RATE_DIV 0
+#define FR_RX_SAMPLE_RATE_DIV 1
+
+// 2 is available.
+// 3 is available.
+
+#define FR_MASTER_CTRL 4 // master enable and reset controls
+# define bmFR_MC_ENABLE_TX (1 << 0)
+# define bmFR_MC_ENABLE_RX (1 << 1)
+# define bmFR_MC_RESET_TX (1 << 2)
+# define bmFR_MC_RESET_RX (1 << 3)
+
+// i/o direction registers for pins that go to daughterboards.
+// Setting the bit makes it an output from the FPGA to the d'board.
+// top 16 is mask, low 16 is value
+
+#define FR_OE_0 5 // slot 0
+#define FR_OE_1 6
+#define FR_OE_2 7
+#define FR_OE_3 8
+
+// i/o registers for pins that go to daughterboards.
+// top 16 is a mask, low 16 is value
+
+#define FR_IO_0 9 // slot 0
+#define FR_IO_1 10
+#define FR_IO_2 11
+#define FR_IO_3 12
+
+#define FR_MODE 13
+# define bmFR_MODE_NORMAL 0
+# define bmFR_MODE_LOOPBACK (1 << 0) // enable digital loopback
+# define bmFR_MODE_RX_COUNTING (1 << 1) // Rx is counting
+# define bmFR_MODE_RX_COUNTING_32BIT (1 << 2) // Rx is counting with a 32 bit counter
+ // low and high 16 bits are multiplexed across channel I and Q
+
+
+// If the corresponding bit is set, internal FPGA debug circuitry
+// controls the i/o pins for the associated bank of daughterboard
+// i/o pins. Typically used for debugging FPGA designs.
+
+#define FR_DEBUG_EN 14
+# define bmFR_DEBUG_EN_TX_A (1 << 0) // debug controls TX_A i/o
+# define bmFR_DEBUG_EN_RX_A (1 << 1) // debug controls RX_A i/o
+# define bmFR_DEBUG_EN_TX_B (1 << 2) // debug controls TX_B i/o
+# define bmFR_DEBUG_EN_RX_B (1 << 3) // debug controls RX_B i/o
+
+
+// If the corresponding bit is set, enable the automatic DC
+// offset correction control loop.
+//
+// The 4 low bits are significant:
+//
+// ADC0 = (1 << 0)
+// ADC1 = (1 << 1)
+// ADC2 = (1 << 2)
+// ADC3 = (1 << 3)
+//
+// This control loop works if the attached daugherboard blocks DC.
+// Currently all daughterboards do block DC. This includes:
+// basic rx, dbs_rx, tv_rx, flex_xxx_rx.
+
+#define FR_DC_OFFSET_CL_EN 15 // DC Offset Control Loop Enable
+
+
+// offset corrections for ADC's and DAC's (2's complement)
+
+#define FR_ADC_OFFSET_0 16
+#define FR_ADC_OFFSET_1 17
+#define FR_ADC_OFFSET_2 18
+#define FR_ADC_OFFSET_3 19
+
+
+// ------------------------------------------------------------------------
+// Automatic Transmit/Receive switching
+//
+// If automatic transmit/receive (ATR) switching is enabled in the
+// FR_ATR_CTL register, the presence or absence of data in the FPGA
+// transmit fifo selects between two sets of values for each of the 4
+// banks of daughterboard i/o pins.
+//
+// Each daughterboard slot has 3 16-bit registers associated with it:
+// FR_ATR_MASK_*, FR_ATR_TXVAL_* and FR_ATR_RXVAL_*
+//
+// FR_ATR_MASK_{0,1,2,3}:
+//
+// These registers determine which of the daugherboard i/o pins are
+// affected by ATR switching. If a bit in the mask is set, the
+// corresponding i/o bit is controlled by ATR, else it's output
+// value comes from the normal i/o pin output register:
+// FR_IO_{0,1,2,3}.
+//
+// FR_ATR_TXVAL_{0,1,2,3}:
+// FR_ATR_RXVAL_{0,1,2,3}:
+//
+// If the Tx fifo contains data, then the bits from TXVAL that are
+// selected by MASK are output. Otherwise, the bits from RXVAL that
+// are selected by MASK are output.
+
+#define FR_ATR_MASK_0 20 // slot 0
+#define FR_ATR_TXVAL_0 21
+#define FR_ATR_RXVAL_0 22
+
+#define FR_ATR_MASK_1 23 // slot 1
+#define FR_ATR_TXVAL_1 24
+#define FR_ATR_RXVAL_1 25
+
+#define FR_ATR_MASK_2 26 // slot 2
+#define FR_ATR_TXVAL_2 27
+#define FR_ATR_RXVAL_2 28
+
+#define FR_ATR_MASK_3 29 // slot 3
+#define FR_ATR_TXVAL_3 30
+#define FR_ATR_RXVAL_3 31
+
+#endif /* INCLUDED_FPGA_REGS_COMMON_H */
diff --git a/usrp/firmware/include/fpga_regs_common.v b/usrp/firmware/include/fpga_regs_common.v
new file mode 100644
index 000000000..ee87ac025
--- /dev/null
+++ b/usrp/firmware/include/fpga_regs_common.v
@@ -0,0 +1,114 @@
+//
+// This file is machine generated from fpga_regs_common.h
+// Do not edit by hand; your edits will be overwritten.
+//
+
+// This file defines registers common to all FPGA configurations.
+// Registers 0 to 31 are reserved for use in this file.
+
+
+// The FPGA needs to know the rate that samples are coming from and
+// going to the A/D's and D/A's. div = 128e6 / sample_rate
+
+`define FR_TX_SAMPLE_RATE_DIV 7'd0
+`define FR_RX_SAMPLE_RATE_DIV 7'd1
+
+// 2 is available.
+// 3 is available.
+
+`define FR_MASTER_CTRL 7'd4 // master enable and reset controls
+
+// i/o direction registers for pins that go to daughterboards.
+// Setting the bit makes it an output from the FPGA to the d'board.
+// top 16 is mask, low 16 is value
+
+`define FR_OE_0 7'd5 // slot 0
+`define FR_OE_1 7'd6
+`define FR_OE_2 7'd7
+`define FR_OE_3 7'd8
+
+// i/o registers for pins that go to daughterboards.
+// top 16 is a mask, low 16 is value
+
+`define FR_IO_0 7'd9 // slot 0
+`define FR_IO_1 7'd10
+`define FR_IO_2 7'd11
+`define FR_IO_3 7'd12
+
+`define FR_MODE 7'd13
+
+
+// If the corresponding bit is set, internal FPGA debug circuitry
+// controls the i/o pins for the associated bank of daughterboard
+// i/o pins. Typically used for debugging FPGA designs.
+
+`define FR_DEBUG_EN 7'd14
+
+
+// If the corresponding bit is set, enable the automatic DC
+// offset correction control loop.
+//
+// The 4 low bits are significant:
+//
+// ADC0 = (1 << 0)
+// ADC1 = (1 << 1)
+// ADC2 = (1 << 2)
+// ADC3 = (1 << 3)
+//
+// This control loop works if the attached daugherboard blocks DC.
+// Currently all daughterboards do block DC. This includes:
+// basic rx, dbs_rx, tv_rx, flex_xxx_rx.
+
+`define FR_DC_OFFSET_CL_EN 7'd15 // DC Offset Control Loop Enable
+
+
+// offset corrections for ADC's and DAC's (2's complement)
+
+`define FR_ADC_OFFSET_0 7'd16
+`define FR_ADC_OFFSET_1 7'd17
+`define FR_ADC_OFFSET_2 7'd18
+`define FR_ADC_OFFSET_3 7'd19
+
+
+// ------------------------------------------------------------------------
+// Automatic Transmit/Receive switching
+//
+// If automatic transmit/receive (ATR) switching is enabled in the
+// FR_ATR_CTL register, the presence or absence of data in the FPGA
+// transmit fifo selects between two sets of values for each of the 4
+// banks of daughterboard i/o pins.
+//
+// Each daughterboard slot has 3 16-bit registers associated with it:
+// FR_ATR_MASK_*, FR_ATR_TXVAL_* and FR_ATR_RXVAL_*
+//
+// FR_ATR_MASK_{0,1,2,3}:
+//
+// These registers determine which of the daugherboard i/o pins are
+// affected by ATR switching. If a bit in the mask is set, the
+// corresponding i/o bit is controlled by ATR, else it's output
+// value comes from the normal i/o pin output register:
+// FR_IO_{0,1,2,3}.
+//
+// FR_ATR_TXVAL_{0,1,2,3}:
+// FR_ATR_RXVAL_{0,1,2,3}:
+//
+// If the Tx fifo contains data, then the bits from TXVAL that are
+// selected by MASK are output. Otherwise, the bits from RXVAL that
+// are selected by MASK are output.
+
+`define FR_ATR_MASK_0 7'd20 // slot 0
+`define FR_ATR_TXVAL_0 7'd21
+`define FR_ATR_RXVAL_0 7'd22
+
+`define FR_ATR_MASK_1 7'd23 // slot 1
+`define FR_ATR_TXVAL_1 7'd24
+`define FR_ATR_RXVAL_1 7'd25
+
+`define FR_ATR_MASK_2 7'd26 // slot 2
+`define FR_ATR_TXVAL_2 7'd27
+`define FR_ATR_RXVAL_2 7'd28
+
+`define FR_ATR_MASK_3 7'd29 // slot 3
+`define FR_ATR_TXVAL_3 7'd30
+`define FR_ATR_RXVAL_3 7'd31
+
diff --git a/usrp/firmware/include/fpga_regs_standard.h b/usrp/firmware/include/fpga_regs_standard.h
new file mode 100644
index 000000000..3c46422e6
--- /dev/null
+++ b/usrp/firmware/include/fpga_regs_standard.h
@@ -0,0 +1,284 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2003,2004,2006 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef INCLUDED_FPGA_REGS_STANDARD_H
+#define INCLUDED_FPGA_REGS_STANDARD_H
+
+// Register numbers 0 to 31 are reserved for use in fpga_regs_common.h.
+// Registers 64 to 79 are available for custom FPGA builds.
+
+
+// DDC / DUC
+
+#define FR_INTERP_RATE 32 // [1,1024]
+#define FR_DECIM_RATE 33 // [1,256]
+
+// DDC center freq
+
+#define FR_RX_FREQ_0 34
+#define FR_RX_FREQ_1 35
+#define FR_RX_FREQ_2 36
+#define FR_RX_FREQ_3 37
+
+// See below for DDC Starting Phase
+
+// ------------------------------------------------------------------------
+// configure FPGA Rx mux
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------+-------+-------+-------+-------+-+-----+
+// | must be zero | Q3| I3| Q2| I2| Q1| I1| Q0| I0|Z| NCH |
+// +-----------------------+-------+-------+-------+-------+-+-----+
+//
+// There are a maximum of 4 digital downconverters in the the FPGA.
+// Each DDC has two 16-bit inputs, I and Q, and two 16-bit outputs, I & Q.
+//
+// DDC I inputs are specified by the two bit fields I3, I2, I1 & I0
+//
+// 0 = DDC input is from ADC 0
+// 1 = DDC input is from ADC 1
+// 2 = DDC input is from ADC 2
+// 3 = DDC input is from ADC 3
+//
+// If Z == 1, all DDC Q inputs are set to zero
+// If Z == 0, DDC Q inputs are specified by the two bit fields Q3, Q2, Q1 & Q0
+//
+// NCH specifies the number of complex channels that are sent across
+// the USB. The legal values are 1, 2 or 4, corresponding to 2, 4 or
+// 8 16-bit values.
+
+#define FR_RX_MUX 38
+
+// ------------------------------------------------------------------------
+// configure FPGA Tx Mux.
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------+-------+-------+-------+-------+-+-----+
+// | | DAC3 | DAC2 | DAC1 | DAC0 |0| NCH |
+// +-----------------------------------------------+-------+-+-----+
+//
+// NCH specifies the number of complex channels that are sent across
+// the USB. The legal values are 1 or 2, corresponding to 2 or 4
+// 16-bit values.
+//
+// There are two interpolators with complex inputs and outputs.
+// There are four DACs. (We use the DUC in each AD9862.)
+//
+// Each 4-bit DACx field specifies the source for the DAC and
+// whether or not that DAC is enabled. Each subfield is coded
+// like this:
+//
+// 3 2 1 0
+// +-+-----+
+// |E| N |
+// +-+-----+
+//
+// Where E is set if the DAC is enabled, and N specifies which
+// interpolator output is connected to this DAC.
+//
+// N which interp output
+// --- -------------------
+// 0 chan 0 I
+// 1 chan 0 Q
+// 2 chan 1 I
+// 3 chan 1 Q
+
+#define FR_TX_MUX 39
+
+// ------------------------------------------------------------------------
+// REFCLK control
+//
+// Control whether a reference clock is sent to the daughterboards,
+// and what frequency. The refclk is sent on d'board i/o pin 0.
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------------+-+------------+
+// | Reserved (Must be zero) |E| DIVISOR |
+// +-----------------------------------------------+-+------------+
+
+//
+// Bit 7 -- 1 turns on refclk, 0 allows IO use
+// Bits 6:0 Divider value
+
+#define FR_TX_A_REFCLK 40
+#define FR_RX_A_REFCLK 41
+#define FR_TX_B_REFCLK 42
+#define FR_RX_B_REFCLK 43
+
+# define bmFR_REFCLK_EN 0x80
+# define bmFR_REFCLK_DIVISOR_MASK 0x7f
+
+// ------------------------------------------------------------------------
+// DDC Starting Phase
+
+#define FR_RX_PHASE_0 44
+#define FR_RX_PHASE_1 45
+#define FR_RX_PHASE_2 46
+#define FR_RX_PHASE_3 47
+
+// ------------------------------------------------------------------------
+// Tx data format control register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-------------------------------------------------------+-------+
+// | Reserved (Must be zero) | FMT |
+// +-------------------------------------------------------+-------+
+//
+// FMT values:
+
+#define FR_TX_FORMAT 48
+# define bmFR_TX_FORMAT_16_IQ 0 // 16-bit I, 16-bit Q
+
+// ------------------------------------------------------------------------
+// Rx data format control register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------+-+-+---------+-------+
+// | Reserved (Must be zero) |B|Q| WIDTH | SHIFT |
+// +-----------------------------------------+-+-+---------+-------+
+//
+// FMT values:
+
+#define FR_RX_FORMAT 49
+
+# define bmFR_RX_FORMAT_SHIFT_MASK (0x0f << 0) // arithmetic right shift [0, 15]
+# define bmFR_RX_FORMAT_SHIFT_SHIFT 0
+# define bmFR_RX_FORMAT_WIDTH_MASK (0x1f << 4) // data width in bits [1, 16] (not all valid)
+# define bmFR_RX_FORMAT_WIDTH_SHIFT 4
+# define bmFR_RX_FORMAT_WANT_Q (0x1 << 9) // deliver both I & Q, else just I
+# define bmFR_RX_FORMAT_BYPASS_HB (0x1 << 10) // bypass half-band filter
+
+// The valid combinations currently are:
+//
+// B Q WIDTH SHIFT
+// 0 1 16 0
+// 0 1 8 8
+
+
+// Possible future values of WIDTH = {4, 2, 1}
+// 12 takes a bit more work, since we need to know packet alignment.
+
+// ------------------------------------------------------------------------
+// FIXME register numbers 50 to 63 are available
+
+// ------------------------------------------------------------------------
+// Registers 64 to 79 are reserved for user custom FPGA builds.
+// The standard USRP software will not touch these.
+
+#define FR_USER_0 64
+#define FR_USER_1 65
+#define FR_USER_2 66
+#define FR_USER_3 67
+#define FR_USER_4 68
+#define FR_USER_5 69
+#define FR_USER_6 70
+#define FR_USER_7 71
+#define FR_USER_8 72
+#define FR_USER_9 73
+#define FR_USER_10 74
+#define FR_USER_11 75
+#define FR_USER_12 76
+#define FR_USER_13 77
+#define FR_USER_14 78
+#define FR_USER_15 79
+
+//Registers needed for multi usrp master/slave configuration
+//
+//Rx Master/slave control register (FR_RX_MASTER_SLAVE = FR_USER_0)
+//
+#define FR_RX_MASTER_SLAVE 64
+#define bitnoFR_RX_SYNC 0
+#define bitnoFR_RX_SYNC_MASTER 1
+#define bitnoFR_RX_SYNC_SLAVE 2
+# define bmFR_RX_SYNC (1 <<bitnoFR_RX_SYNC) //1 If this is a master "sync now" and send sync to slave.
+ // If this is a slave "sync now" (testing purpose only)
+ // Sync is allmost the same as reset (clear all counters and buffers)
+ // except that the io outputs and settings don't get reset (otherwise it couldn't send the sync to the slave)
+ //0 Normal operation
+
+# define bmFR_RX_SYNC_MASTER (1 <<bitnoFR_RX_SYNC_MASTER) //1 This is a rx sync master, output sync_rx on rx_a_io[15]
+ //0 This is not a rx sync master
+# define bmFR_RX_SYNC_SLAVE (1 <<bitnoFR_RX_SYNC_SLAVE) //1 This is a rx sync slave, follow sync_rx on rx_a_io[bitnoFR_RX_SYNC_INPUT_IOPIN]
+ //0 This is not an rx sync slave.
+
+//Caution The master settings will output values on the io lines.
+//They inheritely enable these lines as output. If you have a daughtercard which uses these lines also as output then you will burn your usrp and daughtercard.
+//If you set the slave bits then your usrp won't do anything if you don't connect a master.
+// Rx Master/slave control register
+//
+// The way this is supposed to be used is connecting a (short) 16pin flatcable from an rx daughterboard in RXA master io_rx[8..15] to slave io_rx[8..15] on RXA of slave usrp
+// This can be done with basic_rx boards or dbsrx boards
+//dbsrx: connect master-J25 to slave-J25
+//basic rx: connect J25 to slave-J25
+//CAUTION: pay attention to the lineup of your connector.
+//The red line (pin1) should be at the same side of the daughterboards on master and slave.
+//If you turnaround the cable on one end you will burn your usrp.
+
+//You cannot use a 16pin flatcable if you are using FLEX400 or FLEX2400 daughterboards, since these use a lot of the io pins.
+//You can still link them but you must use only a 2pin or 1pin cable
+//You can also use a 2-wire link. put a 2pin header on io[15],gnd of the master RXA daughterboard and connect it to io15,gnd of the slave RXA db.
+//You can use a cable like the ones found with the leds on the mainbord of a PC.
+//Make sure you don't twist the cable, otherwise you connect the sync output to ground.
+//To be save you could also just use a single wire from master io[15] to slave io[15], but this is not optimal for signal integrity.
+
+
+// Since rx_io[0] can normally be used as a refclk and is not exported on all daughterboards this line
+// still has the refclk function if you use the master/slave setup (it is not touched by the master/slave settings).
+// The master/slave circuitry will only use io pin 15 and does not touch any of the other io pins.
+#define bitnoFR_RX_SYNC_INPUT_IOPIN 15
+#define bmFR_RX_SYNC_INPUT_IOPIN (1<<bitnoFR_RX_SYNC_INPUT_IOPIN)
+//TODO the output pin is still hardcoded in the verilog code, make it listen to the following define
+#define bitnoFR_RX_SYNC_OUTPUT_IOPIN 15
+#define bmFR_RX_SYNC_OUTPUT_IOPIN (1<<bitnoFR_RX_SYNC_OUTPUT_IOPIN)
+// =======================================================================
+// READBACK Registers
+// =======================================================================
+
+#define FR_RB_IO_RX_A_IO_TX_A 1 // read back a-side i/o pins
+#define FR_RB_IO_RX_B_IO_TX_B 2 // read back b-side i/o pins
+
+// ------------------------------------------------------------------------
+// FPGA Capability register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------------+-+-----+-+-----+
+// | Reserved (Must be zero) |T|NDUC |R|NDDC |
+// +-----------------------------------------------+-+-----+-+-----+
+//
+// Bottom 4-bits are Rx capabilities
+// Next 4-bits are Tx capabilities
+
+#define FR_RB_CAPS 3
+# define bmFR_RB_CAPS_NDDC_MASK (0x7 << 0) // # of digital down converters 0,1,2,4
+# define bmFR_RB_CAPS_NDDC_SHIFT 0
+# define bmFR_RB_CAPS_RX_HAS_HALFBAND (0x1 << 3)
+# define bmFR_RB_CAPS_NDUC_MASK (0x7 << 4) // # of digital up converters 0,1,2
+# define bmFR_RB_CAPS_NDUC_SHIFT 4
+# define bmFR_RB_CAPS_TX_HAS_HALFBAND (0x1 << 7)
+
+
+#endif /* INCLUDED_FPGA_REGS_STANDARD_H */
diff --git a/usrp/firmware/include/fpga_regs_standard.v b/usrp/firmware/include/fpga_regs_standard.v
new file mode 100644
index 000000000..cc67be21a
--- /dev/null
+++ b/usrp/firmware/include/fpga_regs_standard.v
@@ -0,0 +1,240 @@
+//
+// This file is machine generated from fpga_regs_standard.h
+// Do not edit by hand; your edits will be overwritten.
+//
+
+// Register numbers 0 to 31 are reserved for use in fpga_regs_common.h.
+// Registers 64 to 79 are available for custom FPGA builds.
+
+
+// DDC / DUC
+
+`define FR_INTERP_RATE 7'd32 // [1,1024]
+`define FR_DECIM_RATE 7'd33 // [1,256]
+
+// DDC center freq
+
+`define FR_RX_FREQ_0 7'd34
+`define FR_RX_FREQ_1 7'd35
+`define FR_RX_FREQ_2 7'd36
+`define FR_RX_FREQ_3 7'd37
+
+// See below for DDC Starting Phase
+
+// ------------------------------------------------------------------------
+// configure FPGA Rx mux
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------+-------+-------+-------+-------+-+-----+
+// | must be zero | Q3| I3| Q2| I2| Q1| I1| Q0| I0|Z| NCH |
+// +-----------------------+-------+-------+-------+-------+-+-----+
+//
+// There are a maximum of 4 digital downconverters in the the FPGA.
+// Each DDC has two 16-bit inputs, I and Q, and two 16-bit outputs, I & Q.
+//
+// DDC I inputs are specified by the two bit fields I3, I2, I1 & I0
+//
+// 0 = DDC input is from ADC 0
+// 1 = DDC input is from ADC 1
+// 2 = DDC input is from ADC 2
+// 3 = DDC input is from ADC 3
+//
+// If Z == 1, all DDC Q inputs are set to zero
+// If Z == 0, DDC Q inputs are specified by the two bit fields Q3, Q2, Q1 & Q0
+//
+// NCH specifies the number of complex channels that are sent across
+// the USB. The legal values are 1, 2 or 4, corresponding to 2, 4 or
+// 8 16-bit values.
+
+`define FR_RX_MUX 7'd38
+
+// ------------------------------------------------------------------------
+// configure FPGA Tx Mux.
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------+-------+-------+-------+-------+-+-----+
+// | | DAC3 | DAC2 | DAC1 | DAC0 |0| NCH |
+// +-----------------------------------------------+-------+-+-----+
+//
+// NCH specifies the number of complex channels that are sent across
+// the USB. The legal values are 1 or 2, corresponding to 2 or 4
+// 16-bit values.
+//
+// There are two interpolators with complex inputs and outputs.
+// There are four DACs. (We use the DUC in each AD9862.)
+//
+// Each 4-bit DACx field specifies the source for the DAC and
+// whether or not that DAC is enabled. Each subfield is coded
+// like this:
+//
+// 3 2 1 0
+// +-+-----+
+// |E| N |
+// +-+-----+
+//
+// Where E is set if the DAC is enabled, and N specifies which
+// interpolator output is connected to this DAC.
+//
+// N which interp output
+// --- -------------------
+// 0 chan 0 I
+// 1 chan 0 Q
+// 2 chan 1 I
+// 3 chan 1 Q
+
+`define FR_TX_MUX 7'd39
+
+// ------------------------------------------------------------------------
+// REFCLK control
+//
+// Control whether a reference clock is sent to the daughterboards,
+// and what frequency. The refclk is sent on d'board i/o pin 0.
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------------+-+------------+
+// | Reserved (Must be zero) |E| DIVISOR |
+// +-----------------------------------------------+-+------------+
+
+//
+// Bit 7 -- 1 turns on refclk, 0 allows IO use
+// Bits 6:0 Divider value
+
+`define FR_TX_A_REFCLK 7'd40
+`define FR_RX_A_REFCLK 7'd41
+`define FR_TX_B_REFCLK 7'd42
+`define FR_RX_B_REFCLK 7'd43
+
+
+// ------------------------------------------------------------------------
+// DDC Starting Phase
+
+`define FR_RX_PHASE_0 7'd44
+`define FR_RX_PHASE_1 7'd45
+`define FR_RX_PHASE_2 7'd46
+`define FR_RX_PHASE_3 7'd47
+
+// ------------------------------------------------------------------------
+// Tx data format control register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-------------------------------------------------------+-------+
+// | Reserved (Must be zero) | FMT |
+// +-------------------------------------------------------+-------+
+//
+// FMT values:
+
+`define FR_TX_FORMAT 7'd48
+
+// ------------------------------------------------------------------------
+// Rx data format control register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------+-+-+---------+-------+
+// | Reserved (Must be zero) |B|Q| WIDTH | SHIFT |
+// +-----------------------------------------+-+-+---------+-------+
+//
+// FMT values:
+
+`define FR_RX_FORMAT 7'd49
+
+
+// The valid combinations currently are:
+//
+// B Q WIDTH SHIFT
+// 0 1 16 0
+// 0 1 8 8
+
+
+// Possible future values of WIDTH = {4, 2, 1}
+// 12 takes a bit more work, since we need to know packet alignment.
+
+// ------------------------------------------------------------------------
+// FIXME register numbers 50 to 63 are available
+
+// ------------------------------------------------------------------------
+// Registers 64 to 79 are reserved for user custom FPGA builds.
+// The standard USRP software will not touch these.
+
+`define FR_USER_0 7'd64
+`define FR_USER_1 7'd65
+`define FR_USER_2 7'd66
+`define FR_USER_3 7'd67
+`define FR_USER_4 7'd68
+`define FR_USER_5 7'd69
+`define FR_USER_6 7'd70
+`define FR_USER_7 7'd71
+`define FR_USER_8 7'd72
+`define FR_USER_9 7'd73
+`define FR_USER_10 7'd74
+`define FR_USER_11 7'd75
+`define FR_USER_12 7'd76
+`define FR_USER_13 7'd77
+`define FR_USER_14 7'd78
+`define FR_USER_15 7'd79
+
+//Registers needed for multi usrp master/slave configuration
+//
+//Rx Master/slave control register (FR_RX_MASTER_SLAVE = FR_USER_0)
+//
+`define FR_RX_MASTER_SLAVE 7'd64
+`define bitnoFR_RX_SYNC 0
+`define bitnoFR_RX_SYNC_MASTER 1
+`define bitnoFR_RX_SYNC_SLAVE 2
+
+
+//Caution The master settings will output values on the io lines.
+//They inheritely enable these lines as output. If you have a daughtercard which uses these lines also as output then you will burn your usrp and daughtercard.
+//If you set the slave bits then your usrp won't do anything if you don't connect a master.
+// Rx Master/slave control register
+//
+// The way this is supposed to be used is connecting a (short) 16pin flatcable from an rx daughterboard in RXA master io_rx[8..15] to slave io_rx[8..15] on RXA of slave usrp
+// This can be done with basic_rx boards or dbsrx boards
+//dbsrx: connect master-J25 to slave-J25
+//basic rx: connect J25 to slave-J25
+//CAUTION: pay attention to the lineup of your connector.
+//The red line (pin1) should be at the same side of the daughterboards on master and slave.
+//If you turnaround the cable on one end you will burn your usrp.
+
+//You cannot use a 16pin flatcable if you are using FLEX400 or FLEX2400 daughterboards, since these use a lot of the io pins.
+//You can still link them but you must use only a 2pin or 1pin cable
+//You can also use a 2-wire link. put a 2pin header on io[15],gnd of the master RXA daughterboard and connect it to io15,gnd of the slave RXA db.
+//You can use a cable like the ones found with the leds on the mainbord of a PC.
+//Make sure you don't twist the cable, otherwise you connect the sync output to ground.
+//To be save you could also just use a single wire from master io[15] to slave io[15], but this is not optimal for signal integrity.
+
+
+// Since rx_io[0] can normally be used as a refclk and is not exported on all daughterboards this line
+// still has the refclk function if you use the master/slave setup (it is not touched by the master/slave settings).
+// The master/slave circuitry will only use io pin 15 and does not touch any of the other io pins.
+`define bitnoFR_RX_SYNC_INPUT_IOPIN 15
+`define bmFR_RX_SYNC_INPUT_IOPIN (1<<bitnoFR_RX_SYNC_INPUT_IOPIN)
+//TODO the output pin is still hardcoded in the verilog code, make it listen to the following define
+`define bitnoFR_RX_SYNC_OUTPUT_IOPIN 15
+`define bmFR_RX_SYNC_OUTPUT_IOPIN (1<<bitnoFR_RX_SYNC_OUTPUT_IOPIN)
+// =======================================================================
+// READBACK Registers
+// =======================================================================
+
+`define FR_RB_IO_RX_A_IO_TX_A 7'd1 // read back a-side i/o pins
+`define FR_RB_IO_RX_B_IO_TX_B 7'd2 // read back b-side i/o pins
+
+// ------------------------------------------------------------------------
+// FPGA Capability register
+//
+// 3 2 1
+// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+// +-----------------------------------------------+-+-----+-+-----+
+// | Reserved (Must be zero) |T|NDUC |R|NDDC |
+// +-----------------------------------------------+-+-----+-+-----+
+//
+// Bottom 4-bits are Rx capabilities
+// Next 4-bits are Tx capabilities
+
+`define FR_RB_CAPS 7'd3
+
+
diff --git a/usrp/firmware/include/fx2regs.h b/usrp/firmware/include/fx2regs.h
new file mode 100644
index 000000000..efe0f9929
--- /dev/null
+++ b/usrp/firmware/include/fx2regs.h
@@ -0,0 +1,716 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+//-----------------------------------------------------------------------------
+// File: FX2regs.h
+// Contents: EZ-USB FX2 register declarations and bit mask definitions.
+//
+// $Archive: /USB/Target/Inc/fx2regs.h $
+// $Date$
+// $Revision$
+//
+//
+// Copyright (c) 2000 Cypress Semiconductor, All rights reserved
+//-----------------------------------------------------------------------------
+*/
+
+
+#ifndef FX2REGS_H /* Header Sentry */
+#define FX2REGS_H
+
+#define ALLOCATE_EXTERN // required for "right thing to happen" with fx2regs.h
+
+/*
+//-----------------------------------------------------------------------------
+// FX2 Related Register Assignments
+//-----------------------------------------------------------------------------
+
+// The Ez-USB FX2 registers are defined here. We use FX2regs.h for register
+// address allocation by using "#define ALLOCATE_EXTERN".
+// When using "#define ALLOCATE_EXTERN", you get (for instance):
+// xdata volatile BYTE OUT7BUF[64] _at_ 0x7B40;
+// Such lines are created from FX2.h by using the preprocessor.
+// Incidently, these lines will not generate any space in the resulting hex
+// file; they just bind the symbols to the addresses for compilation.
+// You just need to put "#define ALLOCATE_EXTERN" in your main program file;
+// i.e. fw.c or a stand-alone C source file.
+// Without "#define ALLOCATE_EXTERN", you just get the external reference:
+// extern xdata volatile BYTE OUT7BUF[64] ;// 0x7B40;
+// This uses the concatenation operator "##" to insert a comment "//"
+// to cut off the end of the line, "_at_ 0x7B40;", which is not wanted.
+*/
+
+
+#ifdef ALLOCATE_EXTERN
+#define EXTERN
+#define _AT_(a) at a
+#else
+#define EXTERN extern
+#define _AT_ ;/ ## /
+#endif
+
+typedef unsigned char BYTE;
+typedef unsigned short WORD;
+
+EXTERN xdata _AT_(0xE400) volatile BYTE GPIF_WAVE_DATA[128];
+EXTERN xdata _AT_(0xE480) volatile BYTE RES_WAVEDATA_END ;
+
+// General Configuration
+
+EXTERN xdata _AT_(0xE600) volatile BYTE CPUCS ; // Control & Status
+EXTERN xdata _AT_(0xE601) volatile BYTE IFCONFIG ; // Interface Configuration
+EXTERN xdata _AT_(0xE602) volatile BYTE PINFLAGSAB ; // FIFO FLAGA and FLAGB Assignments
+EXTERN xdata _AT_(0xE603) volatile BYTE PINFLAGSCD ; // FIFO FLAGC and FLAGD Assignments
+EXTERN xdata _AT_(0xE604) volatile BYTE FIFORESET ; // Restore FIFOS to default state
+EXTERN xdata _AT_(0xE605) volatile BYTE BREAKPT ; // Breakpoint
+EXTERN xdata _AT_(0xE606) volatile BYTE BPADDRH ; // Breakpoint Address H
+EXTERN xdata _AT_(0xE607) volatile BYTE BPADDRL ; // Breakpoint Address L
+EXTERN xdata _AT_(0xE608) volatile BYTE UART230 ; // 230 Kbaud clock for T0,T1,T2
+EXTERN xdata _AT_(0xE609) volatile BYTE FIFOPINPOLAR ; // FIFO polarities
+EXTERN xdata _AT_(0xE60A) volatile BYTE REVID ; // Chip Revision
+EXTERN xdata _AT_(0xE60B) volatile BYTE REVCTL ; // Chip Revision Control
+
+// Endpoint Configuration
+
+EXTERN xdata _AT_(0xE610) volatile BYTE EP1OUTCFG ; // Endpoint 1-OUT Configuration
+EXTERN xdata _AT_(0xE611) volatile BYTE EP1INCFG ; // Endpoint 1-IN Configuration
+EXTERN xdata _AT_(0xE612) volatile BYTE EP2CFG ; // Endpoint 2 Configuration
+EXTERN xdata _AT_(0xE613) volatile BYTE EP4CFG ; // Endpoint 4 Configuration
+EXTERN xdata _AT_(0xE614) volatile BYTE EP6CFG ; // Endpoint 6 Configuration
+EXTERN xdata _AT_(0xE615) volatile BYTE EP8CFG ; // Endpoint 8 Configuration
+EXTERN xdata _AT_(0xE618) volatile BYTE EP2FIFOCFG ; // Endpoint 2 FIFO configuration
+EXTERN xdata _AT_(0xE619) volatile BYTE EP4FIFOCFG ; // Endpoint 4 FIFO configuration
+EXTERN xdata _AT_(0xE61A) volatile BYTE EP6FIFOCFG ; // Endpoint 6 FIFO configuration
+EXTERN xdata _AT_(0xE61B) volatile BYTE EP8FIFOCFG ; // Endpoint 8 FIFO configuration
+EXTERN xdata _AT_(0xE620) volatile BYTE EP2AUTOINLENH ; // Endpoint 2 Packet Length H (IN only)
+EXTERN xdata _AT_(0xE621) volatile BYTE EP2AUTOINLENL ; // Endpoint 2 Packet Length L (IN only)
+EXTERN xdata _AT_(0xE622) volatile BYTE EP4AUTOINLENH ; // Endpoint 4 Packet Length H (IN only)
+EXTERN xdata _AT_(0xE623) volatile BYTE EP4AUTOINLENL ; // Endpoint 4 Packet Length L (IN only)
+EXTERN xdata _AT_(0xE624) volatile BYTE EP6AUTOINLENH ; // Endpoint 6 Packet Length H (IN only)
+EXTERN xdata _AT_(0xE625) volatile BYTE EP6AUTOINLENL ; // Endpoint 6 Packet Length L (IN only)
+EXTERN xdata _AT_(0xE626) volatile BYTE EP8AUTOINLENH ; // Endpoint 8 Packet Length H (IN only)
+EXTERN xdata _AT_(0xE627) volatile BYTE EP8AUTOINLENL ; // Endpoint 8 Packet Length L (IN only)
+EXTERN xdata _AT_(0xE630) volatile BYTE EP2FIFOPFH ; // EP2 Programmable Flag trigger H
+EXTERN xdata _AT_(0xE631) volatile BYTE EP2FIFOPFL ; // EP2 Programmable Flag trigger L
+EXTERN xdata _AT_(0xE632) volatile BYTE EP4FIFOPFH ; // EP4 Programmable Flag trigger H
+EXTERN xdata _AT_(0xE633) volatile BYTE EP4FIFOPFL ; // EP4 Programmable Flag trigger L
+EXTERN xdata _AT_(0xE634) volatile BYTE EP6FIFOPFH ; // EP6 Programmable Flag trigger H
+EXTERN xdata _AT_(0xE635) volatile BYTE EP6FIFOPFL ; // EP6 Programmable Flag trigger L
+EXTERN xdata _AT_(0xE636) volatile BYTE EP8FIFOPFH ; // EP8 Programmable Flag trigger H
+EXTERN xdata _AT_(0xE637) volatile BYTE EP8FIFOPFL ; // EP8 Programmable Flag trigger L
+EXTERN xdata _AT_(0xE640) volatile BYTE EP2ISOINPKTS ; // EP2 (if ISO) IN Packets per frame (1-3)
+EXTERN xdata _AT_(0xE641) volatile BYTE EP4ISOINPKTS ; // EP4 (if ISO) IN Packets per frame (1-3)
+EXTERN xdata _AT_(0xE642) volatile BYTE EP6ISOINPKTS ; // EP6 (if ISO) IN Packets per frame (1-3)
+EXTERN xdata _AT_(0xE643) volatile BYTE EP8ISOINPKTS ; // EP8 (if ISO) IN Packets per frame (1-3)
+EXTERN xdata _AT_(0xE648) volatile BYTE INPKTEND ; // Force IN Packet End
+EXTERN xdata _AT_(0xE649) volatile BYTE OUTPKTEND ; // Force OUT Packet End
+
+// Interrupts
+
+EXTERN xdata _AT_(0xE650) volatile BYTE EP2FIFOIE ; // Endpoint 2 Flag Interrupt Enable
+EXTERN xdata _AT_(0xE651) volatile BYTE EP2FIFOIRQ ; // Endpoint 2 Flag Interrupt Request
+EXTERN xdata _AT_(0xE652) volatile BYTE EP4FIFOIE ; // Endpoint 4 Flag Interrupt Enable
+EXTERN xdata _AT_(0xE653) volatile BYTE EP4FIFOIRQ ; // Endpoint 4 Flag Interrupt Request
+EXTERN xdata _AT_(0xE654) volatile BYTE EP6FIFOIE ; // Endpoint 6 Flag Interrupt Enable
+EXTERN xdata _AT_(0xE655) volatile BYTE EP6FIFOIRQ ; // Endpoint 6 Flag Interrupt Request
+EXTERN xdata _AT_(0xE656) volatile BYTE EP8FIFOIE ; // Endpoint 8 Flag Interrupt Enable
+EXTERN xdata _AT_(0xE657) volatile BYTE EP8FIFOIRQ ; // Endpoint 8 Flag Interrupt Request
+EXTERN xdata _AT_(0xE658) volatile BYTE IBNIE ; // IN-BULK-NAK Interrupt Enable
+EXTERN xdata _AT_(0xE659) volatile BYTE IBNIRQ ; // IN-BULK-NAK interrupt Request
+EXTERN xdata _AT_(0xE65A) volatile BYTE NAKIE ; // Endpoint Ping NAK interrupt Enable
+EXTERN xdata _AT_(0xE65B) volatile BYTE NAKIRQ ; // Endpoint Ping NAK interrupt Request
+EXTERN xdata _AT_(0xE65C) volatile BYTE USBIE ; // USB Int Enables
+EXTERN xdata _AT_(0xE65D) volatile BYTE USBIRQ ; // USB Interrupt Requests
+EXTERN xdata _AT_(0xE65E) volatile BYTE EPIE ; // Endpoint Interrupt Enables
+EXTERN xdata _AT_(0xE65F) volatile BYTE EPIRQ ; // Endpoint Interrupt Requests
+EXTERN xdata _AT_(0xE660) volatile BYTE GPIFIE ; // GPIF Interrupt Enable
+EXTERN xdata _AT_(0xE661) volatile BYTE GPIFIRQ ; // GPIF Interrupt Request
+EXTERN xdata _AT_(0xE662) volatile BYTE USBERRIE ; // USB Error Interrupt Enables
+EXTERN xdata _AT_(0xE663) volatile BYTE USBERRIRQ ; // USB Error Interrupt Requests
+EXTERN xdata _AT_(0xE664) volatile BYTE ERRCNTLIM ; // USB Error counter and limit
+EXTERN xdata _AT_(0xE665) volatile BYTE CLRERRCNT ; // Clear Error Counter EC[3..0]
+EXTERN xdata _AT_(0xE666) volatile BYTE INT2IVEC ; // Interupt 2 (USB) Autovector
+EXTERN xdata _AT_(0xE667) volatile BYTE INT4IVEC ; // Interupt 4 (FIFOS & GPIF) Autovector
+EXTERN xdata _AT_(0xE668) volatile BYTE INTSETUP ; // Interrupt 2&4 Setup
+
+// Input/Output
+
+EXTERN xdata _AT_(0xE670) volatile BYTE PORTACFG ; // I/O PORTA Alternate Configuration
+EXTERN xdata _AT_(0xE671) volatile BYTE PORTCCFG ; // I/O PORTC Alternate Configuration
+EXTERN xdata _AT_(0xE672) volatile BYTE PORTECFG ; // I/O PORTE Alternate Configuration
+EXTERN xdata _AT_(0xE678) volatile BYTE I2CS ; // Control & Status
+EXTERN xdata _AT_(0xE679) volatile BYTE I2DAT ; // Data
+EXTERN xdata _AT_(0xE67A) volatile BYTE I2CTL ; // I2C Control
+EXTERN xdata _AT_(0xE67B) volatile BYTE XAUTODAT1 ; // Autoptr1 MOVX access
+EXTERN xdata _AT_(0xE67C) volatile BYTE XAUTODAT2 ; // Autoptr2 MOVX access
+
+#define EXTAUTODAT1 XAUTODAT1
+#define EXTAUTODAT2 XAUTODAT2
+
+// USB Control
+
+EXTERN xdata _AT_(0xE680) volatile BYTE USBCS ; // USB Control & Status
+EXTERN xdata _AT_(0xE681) volatile BYTE SUSPEND ; // Put chip into suspend
+EXTERN xdata _AT_(0xE682) volatile BYTE WAKEUPCS ; // Wakeup source and polarity
+EXTERN xdata _AT_(0xE683) volatile BYTE TOGCTL ; // Toggle Control
+EXTERN xdata _AT_(0xE684) volatile BYTE USBFRAMEH ; // USB Frame count H
+EXTERN xdata _AT_(0xE685) volatile BYTE USBFRAMEL ; // USB Frame count L
+EXTERN xdata _AT_(0xE686) volatile BYTE MICROFRAME ; // Microframe count, 0-7
+EXTERN xdata _AT_(0xE687) volatile BYTE FNADDR ; // USB Function address
+
+// Endpoints
+
+EXTERN xdata _AT_(0xE68A) volatile BYTE EP0BCH ; // Endpoint 0 Byte Count H
+EXTERN xdata _AT_(0xE68B) volatile BYTE EP0BCL ; // Endpoint 0 Byte Count L
+EXTERN xdata _AT_(0xE68D) volatile BYTE EP1OUTBC ; // Endpoint 1 OUT Byte Count
+EXTERN xdata _AT_(0xE68F) volatile BYTE EP1INBC ; // Endpoint 1 IN Byte Count
+EXTERN xdata _AT_(0xE690) volatile BYTE EP2BCH ; // Endpoint 2 Byte Count H
+EXTERN xdata _AT_(0xE691) volatile BYTE EP2BCL ; // Endpoint 2 Byte Count L
+EXTERN xdata _AT_(0xE694) volatile BYTE EP4BCH ; // Endpoint 4 Byte Count H
+EXTERN xdata _AT_(0xE695) volatile BYTE EP4BCL ; // Endpoint 4 Byte Count L
+EXTERN xdata _AT_(0xE698) volatile BYTE EP6BCH ; // Endpoint 6 Byte Count H
+EXTERN xdata _AT_(0xE699) volatile BYTE EP6BCL ; // Endpoint 6 Byte Count L
+EXTERN xdata _AT_(0xE69C) volatile BYTE EP8BCH ; // Endpoint 8 Byte Count H
+EXTERN xdata _AT_(0xE69D) volatile BYTE EP8BCL ; // Endpoint 8 Byte Count L
+EXTERN xdata _AT_(0xE6A0) volatile BYTE EP0CS ; // Endpoint Control and Status
+EXTERN xdata _AT_(0xE6A1) volatile BYTE EP1OUTCS ; // Endpoint 1 OUT Control and Status
+EXTERN xdata _AT_(0xE6A2) volatile BYTE EP1INCS ; // Endpoint 1 IN Control and Status
+EXTERN xdata _AT_(0xE6A3) volatile BYTE EP2CS ; // Endpoint 2 Control and Status
+EXTERN xdata _AT_(0xE6A4) volatile BYTE EP4CS ; // Endpoint 4 Control and Status
+EXTERN xdata _AT_(0xE6A5) volatile BYTE EP6CS ; // Endpoint 6 Control and Status
+EXTERN xdata _AT_(0xE6A6) volatile BYTE EP8CS ; // Endpoint 8 Control and Status
+EXTERN xdata _AT_(0xE6A7) volatile BYTE EP2FIFOFLGS ; // Endpoint 2 Flags
+EXTERN xdata _AT_(0xE6A8) volatile BYTE EP4FIFOFLGS ; // Endpoint 4 Flags
+EXTERN xdata _AT_(0xE6A9) volatile BYTE EP6FIFOFLGS ; // Endpoint 6 Flags
+EXTERN xdata _AT_(0xE6AA) volatile BYTE EP8FIFOFLGS ; // Endpoint 8 Flags
+EXTERN xdata _AT_(0xE6AB) volatile BYTE EP2FIFOBCH ; // EP2 FIFO total byte count H
+EXTERN xdata _AT_(0xE6AC) volatile BYTE EP2FIFOBCL ; // EP2 FIFO total byte count L
+EXTERN xdata _AT_(0xE6AD) volatile BYTE EP4FIFOBCH ; // EP4 FIFO total byte count H
+EXTERN xdata _AT_(0xE6AE) volatile BYTE EP4FIFOBCL ; // EP4 FIFO total byte count L
+EXTERN xdata _AT_(0xE6AF) volatile BYTE EP6FIFOBCH ; // EP6 FIFO total byte count H
+EXTERN xdata _AT_(0xE6B0) volatile BYTE EP6FIFOBCL ; // EP6 FIFO total byte count L
+EXTERN xdata _AT_(0xE6B1) volatile BYTE EP8FIFOBCH ; // EP8 FIFO total byte count H
+EXTERN xdata _AT_(0xE6B2) volatile BYTE EP8FIFOBCL ; // EP8 FIFO total byte count L
+EXTERN xdata _AT_(0xE6B3) volatile BYTE SUDPTRH ; // Setup Data Pointer high address byte
+EXTERN xdata _AT_(0xE6B4) volatile BYTE SUDPTRL ; // Setup Data Pointer low address byte
+EXTERN xdata _AT_(0xE6B5) volatile BYTE SUDPTRCTL ; // Setup Data Pointer Auto Mode
+EXTERN xdata _AT_(0xE6B8) volatile BYTE SETUPDAT[8] ; // 8 bytes of SETUP data
+
+// GPIF
+
+EXTERN xdata _AT_(0xE6C0) volatile BYTE GPIFWFSELECT ; // Waveform Selector
+EXTERN xdata _AT_(0xE6C1) volatile BYTE GPIFIDLECS ; // GPIF Done, GPIF IDLE drive mode
+EXTERN xdata _AT_(0xE6C2) volatile BYTE GPIFIDLECTL ; // Inactive Bus, CTL states
+EXTERN xdata _AT_(0xE6C3) volatile BYTE GPIFCTLCFG ; // CTL OUT pin drive
+EXTERN xdata _AT_(0xE6C4) volatile BYTE GPIFADRH ; // GPIF Address H
+EXTERN xdata _AT_(0xE6C5) volatile BYTE GPIFADRL ; // GPIF Address L
+
+EXTERN xdata _AT_(0xE6CE) volatile BYTE GPIFTCB3 ; // GPIF Transaction Count Byte 3
+EXTERN xdata _AT_(0xE6CF) volatile BYTE GPIFTCB2 ; // GPIF Transaction Count Byte 2
+EXTERN xdata _AT_(0xE6D0) volatile BYTE GPIFTCB1 ; // GPIF Transaction Count Byte 1
+EXTERN xdata _AT_(0xE6D1) volatile BYTE GPIFTCB0 ; // GPIF Transaction Count Byte 0
+
+#define EP2GPIFTCH GPIFTCB1 // these are here for backwards compatibility
+#define EP2GPIFTCL GPIFTCB0 // before REVE silicon (ie. REVB and REVD)
+#define EP4GPIFTCH GPIFTCB1 // these are here for backwards compatibility
+#define EP4GPIFTCL GPIFTCB0 // before REVE silicon (ie. REVB and REVD)
+#define EP6GPIFTCH GPIFTCB1 // these are here for backwards compatibility
+#define EP6GPIFTCL GPIFTCB0 // before REVE silicon (ie. REVB and REVD)
+#define EP8GPIFTCH GPIFTCB1 // these are here for backwards compatibility
+#define EP8GPIFTCL GPIFTCB0 // before REVE silicon (ie. REVB and REVD)
+
+// EXTERN xdata volatile BYTE EP2GPIFTCH _AT_ 0xE6D0; // EP2 GPIF Transaction Count High
+// EXTERN xdata volatile BYTE EP2GPIFTCL _AT_ 0xE6D1; // EP2 GPIF Transaction Count Low
+EXTERN xdata _AT_(0xE6D2) volatile BYTE EP2GPIFFLGSEL ; // EP2 GPIF Flag select
+EXTERN xdata _AT_(0xE6D3) volatile BYTE EP2GPIFPFSTOP ; // Stop GPIF EP2 transaction on prog. flag
+EXTERN xdata _AT_(0xE6D4) volatile BYTE EP2GPIFTRIG ; // EP2 FIFO Trigger
+// EXTERN xdata volatile BYTE EP4GPIFTCH _AT_ 0xE6D8; // EP4 GPIF Transaction Count High
+// EXTERN xdata volatile BYTE EP4GPIFTCL _AT_ 0xE6D9; // EP4 GPIF Transactionr Count Low
+EXTERN xdata _AT_(0xE6DA) volatile BYTE EP4GPIFFLGSEL ; // EP4 GPIF Flag select
+EXTERN xdata _AT_(0xE6DB) volatile BYTE EP4GPIFPFSTOP ; // Stop GPIF EP4 transaction on prog. flag
+EXTERN xdata _AT_(0xE6DC) volatile BYTE EP4GPIFTRIG ; // EP4 FIFO Trigger
+// EXTERN xdata volatile BYTE EP6GPIFTCH _AT_ 0xE6E0; // EP6 GPIF Transaction Count High
+// EXTERN xdata volatile BYTE EP6GPIFTCL _AT_ 0xE6E1; // EP6 GPIF Transaction Count Low
+EXTERN xdata _AT_(0xE6E2) volatile BYTE EP6GPIFFLGSEL ; // EP6 GPIF Flag select
+EXTERN xdata _AT_(0xE6E3) volatile BYTE EP6GPIFPFSTOP ; // Stop GPIF EP6 transaction on prog. flag
+EXTERN xdata _AT_(0xE6E4) volatile BYTE EP6GPIFTRIG ; // EP6 FIFO Trigger
+// EXTERN xdata volatile BYTE EP8GPIFTCH _AT_ 0xE6E8; // EP8 GPIF Transaction Count High
+// EXTERN xdata volatile BYTE EP8GPIFTCL _AT_ 0xE6E9; // EP8GPIF Transaction Count Low
+EXTERN xdata _AT_(0xE6EA) volatile BYTE EP8GPIFFLGSEL ; // EP8 GPIF Flag select
+EXTERN xdata _AT_(0xE6EB) volatile BYTE EP8GPIFPFSTOP ; // Stop GPIF EP8 transaction on prog. flag
+EXTERN xdata _AT_(0xE6EC) volatile BYTE EP8GPIFTRIG ; // EP8 FIFO Trigger
+EXTERN xdata _AT_(0xE6F0) volatile BYTE XGPIFSGLDATH ; // GPIF Data H (16-bit mode only)
+EXTERN xdata _AT_(0xE6F1) volatile BYTE XGPIFSGLDATLX ; // Read/Write GPIF Data L & trigger transac
+EXTERN xdata _AT_(0xE6F2) volatile BYTE XGPIFSGLDATLNOX ; // Read GPIF Data L, no transac trigger
+EXTERN xdata _AT_(0xE6F3) volatile BYTE GPIFREADYCFG ; // Internal RDY,Sync/Async, RDY5CFG
+EXTERN xdata _AT_(0xE6F4) volatile BYTE GPIFREADYSTAT ; // RDY pin states
+EXTERN xdata _AT_(0xE6F5) volatile BYTE GPIFABORT ; // Abort GPIF cycles
+
+// UDMA
+
+EXTERN xdata _AT_(0xE6C6) volatile BYTE FLOWSTATE ; //Defines GPIF flow state
+EXTERN xdata _AT_(0xE6C7) volatile BYTE FLOWLOGIC ; //Defines flow/hold decision criteria
+EXTERN xdata _AT_(0xE6C8) volatile BYTE FLOWEQ0CTL ; //CTL states during active flow state
+EXTERN xdata _AT_(0xE6C9) volatile BYTE FLOWEQ1CTL ; //CTL states during hold flow state
+EXTERN xdata _AT_(0xE6CA) volatile BYTE FLOWHOLDOFF ;
+EXTERN xdata _AT_(0xE6CB) volatile BYTE FLOWSTB ; //CTL/RDY Signal to use as master data strobe
+EXTERN xdata _AT_(0xE6CC) volatile BYTE FLOWSTBEDGE ; //Defines active master strobe edge
+EXTERN xdata _AT_(0xE6CD) volatile BYTE FLOWSTBHPERIOD ; //Half Period of output master strobe
+EXTERN xdata _AT_(0xE60C) volatile BYTE GPIFHOLDAMOUNT ; //Data delay shift
+EXTERN xdata _AT_(0xE67D) volatile BYTE UDMACRCH ; //CRC Upper byte
+EXTERN xdata _AT_(0xE67E) volatile BYTE UDMACRCL ; //CRC Lower byte
+EXTERN xdata _AT_(0xE67F) volatile BYTE UDMACRCQUAL ; //UDMA In only, host terminated use only
+
+
+// Debug/Test
+
+EXTERN xdata _AT_(0xE6F8) volatile BYTE DBUG ; // Debug
+EXTERN xdata _AT_(0xE6F9) volatile BYTE TESTCFG ; // Test configuration
+EXTERN xdata _AT_(0xE6FA) volatile BYTE USBTEST ; // USB Test Modes
+EXTERN xdata _AT_(0xE6FB) volatile BYTE CT1 ; // Chirp Test--Override
+EXTERN xdata _AT_(0xE6FC) volatile BYTE CT2 ; // Chirp Test--FSM
+EXTERN xdata _AT_(0xE6FD) volatile BYTE CT3 ; // Chirp Test--Control Signals
+EXTERN xdata _AT_(0xE6FE) volatile BYTE CT4 ; // Chirp Test--Inputs
+
+// Endpoint Buffers
+
+EXTERN xdata _AT_(0xE740) volatile BYTE EP0BUF[64] ; // EP0 IN-OUT buffer
+EXTERN xdata _AT_(0xE780) volatile BYTE EP1OUTBUF[64] ; // EP1-OUT buffer
+EXTERN xdata _AT_(0xE7C0) volatile BYTE EP1INBUF[64] ; // EP1-IN buffer
+EXTERN xdata _AT_(0xF000) volatile BYTE EP2FIFOBUF[1024] ; // 512/1024-byte EP2 buffer (IN or OUT)
+EXTERN xdata _AT_(0xF400) volatile BYTE EP4FIFOBUF[1024] ; // 512 byte EP4 buffer (IN or OUT)
+EXTERN xdata _AT_(0xF800) volatile BYTE EP6FIFOBUF[1024] ; // 512/1024-byte EP6 buffer (IN or OUT)
+EXTERN xdata _AT_(0xFC00) volatile BYTE EP8FIFOBUF[1024] ; // 512 byte EP8 buffer (IN or OUT)
+
+#undef EXTERN
+#undef _AT_
+
+/*-----------------------------------------------------------------------------
+ Special Function Registers (SFRs)
+ The byte registers and bits defined in the following list are based
+ on the Synopsis definition of the 8051 Special Function Registers for EZ-USB.
+ If you modify the register definitions below, please regenerate the file
+ "ezregs.inc" which includes the same basic information for assembly inclusion.
+-----------------------------------------------------------------------------*/
+
+sfr at 0x80 IOA;
+sfr at 0x81 SP;
+sfr at 0x82 DPL;
+sfr at 0x83 DPH;
+sfr at 0x84 DPL1;
+sfr at 0x85 DPH1;
+sfr at 0x86 DPS;
+ /* DPS */
+ sbit at 0x86+0 SEL;
+sfr at 0x87 PCON; /* PCON */
+ //sbit IDLE = 0x87+0;
+ //sbit STOP = 0x87+1;
+ //sbit GF0 = 0x87+2;
+ //sbit GF1 = 0x87+3;
+ //sbit SMOD0 = 0x87+7;
+sfr at 0x88 TCON;
+ /* TCON */
+ sbit at 0x88+0 IT0;
+ sbit at 0x88+1 IE0;
+ sbit at 0x88+2 IT1;
+ sbit at 0x88+3 IE1;
+ sbit at 0x88+4 TR0;
+ sbit at 0x88+5 TF0;
+ sbit at 0x88+6 TR1;
+ sbit at 0x88+7 TF1;
+sfr at 0x89 TMOD;
+ /* TMOD */
+ //sbit M00 = 0x89+0;
+ //sbit M10 = 0x89+1;
+ //sbit CT0 = 0x89+2;
+ //sbit GATE0 = 0x89+3;
+ //sbit M01 = 0x89+4;
+ //sbit M11 = 0x89+5;
+ //sbit CT1 = 0x89+6;
+ //sbit GATE1 = 0x89+7;
+sfr at 0x8A TL0;
+sfr at 0x8B TL1;
+sfr at 0x8C TH0;
+sfr at 0x8D TH1;
+sfr at 0x8E CKCON;
+ /* CKCON */
+ //sbit MD0 = 0x89+0;
+ //sbit MD1 = 0x89+1;
+ //sbit MD2 = 0x89+2;
+ //sbit T0M = 0x89+3;
+ //sbit T1M = 0x89+4;
+ //sbit T2M = 0x89+5;
+// sfr at 0x8F SPC_FNC; // Was WRS in Reg320
+ /* CKCON */
+ //sbit WRS = 0x8F+0;
+sfr at 0x90 IOB;
+sfr at 0x91 EXIF; // EXIF Bit Values differ from Reg320
+ /* EXIF */
+ //sbit USBINT = 0x91+4;
+ //sbit I2CINT = 0x91+5;
+ //sbit IE4 = 0x91+6;
+ //sbit IE5 = 0x91+7;
+sfr at 0x92 MPAGE;
+sfr at 0x98 SCON0;
+ /* SCON0 */
+ sbit at 0x98+0 RI;
+ sbit at 0x98+1 TI;
+ sbit at 0x98+2 RB8;
+ sbit at 0x98+3 TB8;
+ sbit at 0x98+4 REN;
+ sbit at 0x98+5 SM2;
+ sbit at 0x98+6 SM1;
+ sbit at 0x98+7 SM0;
+sfr at 0x99 SBUF0;
+
+sfr at 0x9A APTR1H;
+sfr at 0x9B APTR1L;
+sfr at 0x9C AUTODAT1;
+sfr at 0x9D AUTOPTRH2;
+sfr at 0x9E AUTOPTRL2;
+sfr at 0x9F AUTODAT2;
+sfr at 0xA0 IOC;
+sfr at 0xA1 INT2CLR;
+sfr at 0xA2 INT4CLR;
+
+#define AUTOPTRH1 APTR1H
+#define AUTOPTRL1 APTR1L
+
+sfr at 0xA8 IE;
+ /* IE */
+ sbit at 0xA8+0 EX0;
+ sbit at 0xA8+1 ET0;
+ sbit at 0xA8+2 EX1;
+ sbit at 0xA8+3 ET1;
+ sbit at 0xA8+4 ES0;
+ sbit at 0xA8+5 ET2;
+ sbit at 0xA8+6 ES1;
+ sbit at 0xA8+7 EA;
+
+sfr at 0xAA EP2468STAT;
+ /* EP2468STAT */
+ //sbit EP2E = 0xAA+0;
+ //sbit EP2F = 0xAA+1;
+ //sbit EP4E = 0xAA+2;
+ //sbit EP4F = 0xAA+3;
+ //sbit EP6E = 0xAA+4;
+ //sbit EP6F = 0xAA+5;
+ //sbit EP8E = 0xAA+6;
+ //sbit EP8F = 0xAA+7;
+
+sfr at 0xAB EP24FIFOFLGS;
+sfr at 0xAC EP68FIFOFLGS;
+sfr at 0xAF AUTOPTRSETUP;
+ /* AUTOPTRSETUP */
+ // sbit EXTACC = 0xAF+0;
+ // sbit APTR1FZ = 0xAF+1;
+ // sbit APTR2FZ = 0xAF+2;
+
+sfr at 0xB0 IOD;
+sfr at 0xB1 IOE;
+sfr at 0xB2 OEA;
+sfr at 0xB3 OEB;
+sfr at 0xB4 OEC;
+sfr at 0xB5 OED;
+sfr at 0xB6 OEE;
+
+sfr at 0xB8 IP;
+ /* IP */
+ sbit at 0xB8+0 PX0;
+ sbit at 0xB8+1 PT0;
+ sbit at 0xB8+2 PX1;
+ sbit at 0xB8+3 PT1;
+ sbit at 0xB8+4 PS0;
+ sbit at 0xB8+5 PT2;
+ sbit at 0xB8+6 PS1;
+
+sfr at 0xBA EP01STAT;
+sfr at 0xBB GPIFTRIG;
+
+sfr at 0xBD GPIFSGLDATH;
+sfr at 0xBE GPIFSGLDATLX;
+sfr at 0xBF GPIFSGLDATLNOX;
+
+sfr at 0xC0 SCON1;
+ /* SCON1 */
+ sbit at 0xC0+0 RI1;
+ sbit at 0xC0+1 TI1;
+ sbit at 0xC0+2 RB81;
+ sbit at 0xC0+3 TB81;
+ sbit at 0xC0+4 REN1;
+ sbit at 0xC0+5 SM21;
+ sbit at 0xC0+6 SM11;
+ sbit at 0xC0+7 SM01;
+sfr at 0xC1 SBUF1;
+sfr at 0xC8 T2CON;
+ /* T2CON */
+ sbit at 0xC8+0 CP_RL2;
+ sbit at 0xC8+1 C_T2;
+ sbit at 0xC8+2 TR2;
+ sbit at 0xC8+3 EXEN2;
+ sbit at 0xC8+4 TCLK;
+ sbit at 0xC8+5 RCLK;
+ sbit at 0xC8+6 EXF2;
+ sbit at 0xC8+7 TF2;
+sfr at 0xCA RCAP2L;
+sfr at 0xCB RCAP2H;
+sfr at 0xCC TL2;
+sfr at 0xCD TH2;
+sfr at 0xD0 PSW;
+ /* PSW */
+ sbit at 0xD0+0 P;
+ sbit at 0xD0+1 FL;
+ sbit at 0xD0+2 OV;
+ sbit at 0xD0+3 RS0;
+ sbit at 0xD0+4 RS1;
+ sbit at 0xD0+5 F0;
+ sbit at 0xD0+6 AC;
+ sbit at 0xD0+7 CY;
+sfr at 0xD8 EICON; // Was WDCON in DS80C320 EICON; Bit Values differ from Reg320
+ /* EICON */
+ sbit at 0xD8+3 INT6;
+ sbit at 0xD8+4 RESI;
+ sbit at 0xD8+5 ERESI;
+ sbit at 0xD8+7 SMOD1;
+sfr at 0xE0 ACC;
+sfr at 0xE8 EIE; // EIE Bit Values differ from Reg320
+ /* EIE */
+ sbit at 0xE8+0 EIUSB;
+ sbit at 0xE8+1 EI2C;
+ sbit at 0xE8+2 EIEX4;
+ sbit at 0xE8+3 EIEX5;
+ sbit at 0xE8+4 EIEX6;
+sfr at 0xF0 B;
+sfr at 0xF8 EIP; // EIP Bit Values differ from Reg320
+ /* EIP */
+ sbit at 0xF8+0 PUSB;
+ sbit at 0xF8+1 PI2C;
+ sbit at 0xF8+2 EIPX4;
+ sbit at 0xF8+3 EIPX5;
+ sbit at 0xF8+4 EIPX6;
+
+/*-----------------------------------------------------------------------------
+ Bit Masks
+-----------------------------------------------------------------------------*/
+
+#define bmBIT0 1
+#define bmBIT1 2
+#define bmBIT2 4
+#define bmBIT3 8
+#define bmBIT4 16
+#define bmBIT5 32
+#define bmBIT6 64
+#define bmBIT7 128
+
+/* CPU Control & Status Register (CPUCS) */
+#define bmPRTCSTB bmBIT5
+#define bmCLKSPD (bmBIT4 | bmBIT3)
+#define bmCLKSPD1 bmBIT4
+#define bmCLKSPD0 bmBIT3
+#define bmCLKINV bmBIT2
+#define bmCLKOE bmBIT1
+#define bm8051RES bmBIT0
+/* Port Alternate Configuration Registers */
+/* Port A (PORTACFG) */
+#define bmFLAGD bmBIT7
+#define bmINT1 bmBIT1
+#define bmINT0 bmBIT0
+/* Port C (PORTCCFG) */
+#define bmGPIFA7 bmBIT7
+#define bmGPIFA6 bmBIT6
+#define bmGPIFA5 bmBIT5
+#define bmGPIFA4 bmBIT4
+#define bmGPIFA3 bmBIT3
+#define bmGPIFA2 bmBIT2
+#define bmGPIFA1 bmBIT1
+#define bmGPIFA0 bmBIT0
+/* Port E (PORTECFG) */
+#define bmGPIFA8 bmBIT7
+#define bmT2EX bmBIT6
+#define bmINT6 bmBIT5
+#define bmRXD1OUT bmBIT4
+#define bmRXD0OUT bmBIT3
+#define bmT2OUT bmBIT2
+#define bmT1OUT bmBIT1
+#define bmT0OUT bmBIT0
+
+/* I2C Control & Status Register (I2CS) */
+#define bmSTART bmBIT7
+#define bmSTOP bmBIT6
+#define bmLASTRD bmBIT5
+#define bmID (bmBIT4 | bmBIT3)
+#define bmBERR bmBIT2
+#define bmACK bmBIT1
+#define bmDONE bmBIT0
+/* I2C Control Register (I2CTL) */
+#define bmSTOPIE bmBIT1
+#define bm400KHZ bmBIT0
+/* Interrupt 2 (USB) Autovector Register (INT2IVEC) */
+#define bmIV4 bmBIT6
+#define bmIV3 bmBIT5
+#define bmIV2 bmBIT4
+#define bmIV1 bmBIT3
+#define bmIV0 bmBIT2
+/* USB Interrupt Request & Enable Registers (USBIE/USBIRQ) */
+#define bmEP0ACK bmBIT6
+#define bmHSGRANT bmBIT5
+#define bmURES bmBIT4
+#define bmSUSP bmBIT3
+#define bmSUTOK bmBIT2
+#define bmSOF bmBIT1
+#define bmSUDAV bmBIT0
+/* Breakpoint register (BREAKPT) */
+#define bmBREAK bmBIT3
+#define bmBPPULSE bmBIT2
+#define bmBPEN bmBIT1
+/* Interrupt 2 & 4 Setup (INTSETUP) */
+#define bmAV2EN bmBIT3
+#define bmINT4IN bmBIT1
+#define bmAV4EN bmBIT0
+/* USB Control & Status Register (USBCS) */
+#define bmHSM bmBIT7
+#define bmDISCON bmBIT3
+#define bmNOSYNSOF bmBIT2
+#define bmRENUM bmBIT1
+#define bmSIGRESUME bmBIT0
+/* Wakeup Control and Status Register (WAKEUPCS) */
+#define bmWU2 bmBIT7
+#define bmWU bmBIT6
+#define bmWU2POL bmBIT5
+#define bmWUPOL bmBIT4
+#define bmDPEN bmBIT2
+#define bmWU2EN bmBIT1
+#define bmWUEN bmBIT0
+/* End Point 0 Control & Status Register (EP0CS) */
+#define bmHSNAK bmBIT7
+/* End Point 0-1 Control & Status Registers (EP0CS/EP1OUTCS/EP1INCS) */
+#define bmEPBUSY bmBIT1
+#define bmEPSTALL bmBIT0
+/* End Point 2-8 Control & Status Registers (EP2CS/EP4CS/EP6CS/EP8CS) */
+#define bmNPAK (bmBIT6 | bmBIT5 | bmBIT4)
+#define bmEPFULL bmBIT3
+#define bmEPEMPTY bmBIT2
+/* Endpoint Status (EP2468STAT) SFR bits */
+#define bmEP8FULL bmBIT7
+#define bmEP8EMPTY bmBIT6
+#define bmEP6FULL bmBIT5
+#define bmEP6EMPTY bmBIT4
+#define bmEP4FULL bmBIT3
+#define bmEP4EMPTY bmBIT2
+#define bmEP2FULL bmBIT1
+#define bmEP2EMPTY bmBIT0
+/* SETUP Data Pointer Auto Mode (SUDPTRCTL) */
+#define bmSDPAUTO bmBIT0
+/* Endpoint Data Toggle Control (TOGCTL) */
+#define bmQUERYTOGGLE bmBIT7
+#define bmSETTOGGLE bmBIT6
+#define bmRESETTOGGLE bmBIT5
+#define bmTOGCTLEPMASK bmBIT3 | bmBIT2 | bmBIT1 | bmBIT0
+/* IBN (In Bulk Nak) enable and request bits (IBNIE/IBNIRQ) */
+#define bmEP8IBN bmBIT5
+#define bmEP6IBN bmBIT4
+#define bmEP4IBN bmBIT3
+#define bmEP2IBN bmBIT2
+#define bmEP1IBN bmBIT1
+#define bmEP0IBN bmBIT0
+
+/* PING-NAK enable and request bits (NAKIE/NAKIRQ) */
+#define bmEP8PING bmBIT7
+#define bmEP6PING bmBIT6
+#define bmEP4PING bmBIT5
+#define bmEP2PING bmBIT4
+#define bmEP1PING bmBIT3
+#define bmEP0PING bmBIT2
+#define bmIBN bmBIT0
+
+/* Interface Configuration bits (IFCONFIG) */
+#define bmIFCLKSRC bmBIT7 // set == INTERNAL
+#define bm3048MHZ bmBIT6 // set == 48 MHz
+#define bmIFCLKOE bmBIT5
+#define bmIFCLKPOL bmBIT4
+#define bmASYNC bmBIT3
+#define bmGSTATE bmBIT2
+#define bmIFCFG1 bmBIT1
+#define bmIFCFG0 bmBIT0
+#define bmIFCFGMASK (bmIFCFG0 | bmIFCFG1)
+#define bmIFGPIF bmIFCFG1
+
+/* EP 2468 FIFO Configuration bits (EP2FIFOCFG,EP4FIFOCFG,EP6FIFOCFG,EP8FIFOCFG) */
+#define bmINFM bmBIT6
+#define bmOEP bmBIT5
+#define bmAUTOOUT bmBIT4
+#define bmAUTOIN bmBIT3
+#define bmZEROLENIN bmBIT2
+// must be zero bmBIT1
+#define bmWORDWIDE bmBIT0
+
+/*
+ * Chip Revision Control Bits (REVCTL) - used to ebable/disable revision specific features
+ */
+#define bmNOAUTOARM bmBIT1 // these don't match the docs
+#define bmSKIPCOMMIT bmBIT0 // these don't match the docs
+
+#define bmDYN_OUT bmBIT1 // these do...
+#define bmENH_PKT bmBIT0
+
+
+/* Fifo Reset bits (FIFORESET) */
+#define bmNAKALL bmBIT7
+
+/* Endpoint Configuration (EPxCFG) */
+#define bmVALID bmBIT7
+#define bmIN bmBIT6
+#define bmTYPE1 bmBIT5
+#define bmTYPE0 bmBIT4
+#define bmISOCHRONOUS bmTYPE0
+#define bmBULK bmTYPE1
+#define bmINTERRUPT (bmTYPE1 | bmTYPE0)
+#define bm1KBUF bmBIT3
+#define bmBUF1 bmBIT1
+#define bmBUF0 bmBIT0
+#define bmQUADBUF 0
+#define bmINVALIDBUF bmBUF0
+#define bmDOUBLEBUF bmBUF1
+#define bmTRIPLEBUF (bmBUF1 | bmBUF0)
+
+/* OUTPKTEND */
+#define bmSKIP bmBIT7 // low 4 bits specify which end point
+
+/* GPIFTRIG defs */
+#define bmGPIF_IDLE bmBIT7 // status bit
+
+#define bmGPIF_EP2_START 0
+#define bmGPIF_EP4_START 1
+#define bmGPIF_EP6_START 2
+#define bmGPIF_EP8_START 3
+#define bmGPIF_READ bmBIT2
+#define bmGPIF_WRITE 0
+
+/* EXIF bits */
+#define bmEXIF_USBINT bmBIT4
+#define bmEXIF_I2CINT bmBIT5
+#define bmEXIF_IE4 bmBIT6
+#define bmEXIF_IE5 bmBIT7
+
+
+#endif /* FX2REGS_H */
diff --git a/usrp/firmware/include/fx2utils.h b/usrp/firmware/include/fx2utils.h
new file mode 100644
index 000000000..9c2e99d63
--- /dev/null
+++ b/usrp/firmware/include/fx2utils.h
@@ -0,0 +1,31 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef _FX2UTILS_H_
+#define _FX2UTILS_H_
+
+void fx2_stall_ep0 (void);
+void fx2_reset_data_toggle (unsigned char ep);
+void fx2_renumerate (void);
+
+
+
+#endif /* _FX2UTILS_H_ */
diff --git a/usrp/firmware/include/generate_regs.py b/usrp/firmware/include/generate_regs.py
new file mode 100755
index 000000000..656cd5e81
--- /dev/null
+++ b/usrp/firmware/include/generate_regs.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+
+import os, os.path
+import re
+import sys
+
+
+# set srcdir to the directory that contains Makefile.am
+try:
+ srcdir = os.environ['srcdir']
+except KeyError, e:
+ srcdir = "."
+srcdir = srcdir + '/'
+
+def open_src (name, mode):
+ global srcdir
+ return open (os.path.join (srcdir, name), mode)
+
+
+def generate_fpga_regs (h_filename, v_filename):
+ const_width = 7 # bit width of constants
+
+ h_file = open_src (h_filename, 'r')
+ v_file = open (v_filename, 'w')
+ v_file.write (
+ '''//
+// This file is machine generated from %s
+// Do not edit by hand; your edits will be overwritten.
+//
+''' % (h_filename,))
+
+ pat = re.compile (r'^#define\s*(FR_\w*)\s*(\w*)(.*)$')
+ pat_bitno = re.compile (r'^#define\s*(bitno\w*)\s*(\w*)(.*)$')
+ pat_bm = re.compile (r'^#define\s*(bm\w*)\s*(\w*)(.*)$')
+ for line in h_file:
+ if re.match ('//|\s*$', line): # comment or blank line
+ v_file.write (line)
+ mo = pat.search (line)
+ mo_bitno =pat_bitno.search (line)
+ mo_bm =pat_bm.search (line)
+ if mo:
+ v_file.write ('`define %-25s %d\'d%s%s\n' % (
+ mo.group (1), const_width, mo.group (2), mo.group (3)))
+ elif mo_bitno:
+ v_file.write ('`define %-25s %s%s\n' % (
+ mo_bitno.group (1), mo_bitno.group (2), mo_bitno.group (3)))
+ elif mo_bm:
+ v_file.write ('`define %-25s %s%s\n' % (
+ mo_bm.group (1), mo_bm.group (2), mo_bm.group (3)))
+
+
+if __name__ == '__main__':
+ if len (sys.argv) != 3:
+ sys.stderr.write ('usage: %s file.h file.v\n' % (sys.argv[0]))
+ sys.exit (1)
+ generate_fpga_regs (sys.argv[1], sys.argv[2])
+
diff --git a/usrp/firmware/include/i2c.h b/usrp/firmware/include/i2c.h
new file mode 100644
index 000000000..58b7a34b2
--- /dev/null
+++ b/usrp/firmware/include/i2c.h
@@ -0,0 +1,32 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _I2C_H_
+#define _I2C_H_
+
+// returns non-zero if successful, else 0
+unsigned char i2c_read (unsigned char addr, xdata unsigned char *buf, unsigned char len);
+
+// returns non-zero if successful, else 0
+unsigned char i2c_write (unsigned char addr, xdata const unsigned char *buf, unsigned char len);
+
+#endif /* _I2C_H_ */
diff --git a/usrp/firmware/include/isr.h b/usrp/firmware/include/isr.h
new file mode 100644
index 000000000..208117540
--- /dev/null
+++ b/usrp/firmware/include/isr.h
@@ -0,0 +1,172 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _ISR_H_
+#define _ISR_H_
+
+/*
+ * ----------------------------------------------------------------
+ * routines for managing interrupt services routines
+ * ----------------------------------------------------------------
+ */
+
+/*
+ * The FX2 has three discrete sets of interrupt vectors.
+ * The first set is the standard 8051 vector (13 8-byte entries).
+ * The second set is USB interrupt autovector (32 4-byte entries).
+ * The third set is the FIFO/GPIF autovector (14 4-byte entries).
+ *
+ * Since all the code we're running in the FX2 is ram based, we
+ * forego the typical "initialize the interrupt vectors at link time"
+ * strategy, in favor of calls at run time that install the correct
+ * pointers to functions.
+ */
+
+/*
+ * Standard Vector numbers
+ */
+
+#define SV_INT_0 0x03
+#define SV_TIMER_0 0x0b
+#define SV_INT_1 0x13
+#define SV_TIMER_1 0x1b
+#define SV_SERIAL_0 0x23
+#define SV_TIMER_2 0x2b
+#define SV_RESUME 0x33
+#define SV_SERIAL_1 0x3b
+#define SV_INT_2 0x43 // (INT_2) points at USB autovector
+#define SV_I2C 0x4b
+#define SV_INT_4 0x53 // (INT_4) points at FIFO/GPIF autovector
+#define SV_INT_5 0x5b
+#define SV_INT_6 0x63
+
+#define SV_MIN SV_INT_0
+#define SV_MAX SV_INT_6
+
+/*
+ * USB Auto Vector numbers
+ */
+
+#define UV_SUDAV 0x00
+#define UV_SOF 0x04
+#define UV_SUTOK 0x08
+#define UV_SUSPEND 0x0c
+#define UV_USBRESET 0x10
+#define UV_HIGHSPEED 0x14
+#define UV_EP0ACK 0x18
+#define UV_SPARE_1C 0x1c
+#define UV_EP0IN 0x20
+#define UV_EP0OUT 0x24
+#define UV_EP1IN 0x28
+#define UV_EP1OUT 0x2c
+#define UV_EP2 0x30
+#define UV_EP4 0x34
+#define UV_EP6 0x38
+#define UV_EP8 0x3c
+#define UV_IBN 0x40
+#define UV_SPARE_44 0x44
+#define UV_EP0PINGNAK 0x48
+#define UV_EP1PINGNAK 0x4c
+#define UV_EP2PINGNAK 0x50
+#define UV_EP4PINGNAK 0x54
+#define UV_EP6PINGNAK 0x58
+#define UV_EP8PINGNAK 0x5c
+#define UV_ERRLIMIT 0x60
+#define UV_SPARE_64 0x64
+#define UV_SPARE_68 0x68
+#define UV_SPARE_6C 0x6c
+#define UV_EP2ISOERR 0x70
+#define UV_EP4ISOERR 0x74
+#define UV_EP6ISOERR 0x78
+#define UV_EP8ISOERR 0x7c
+
+#define UV_MIN UV_SUDAV
+#define UV_MAX UV_EP8ISOERR
+
+/*
+ * FIFO/GPIF Auto Vector numbers
+ */
+
+#define FGV_EP2PF 0x80
+#define FGV_EP4PF 0x84
+#define FGV_EP6PF 0x88
+#define FGV_EP8PF 0x8c
+#define FGV_EP2EF 0x90
+#define FGV_EP4EF 0x94
+#define FGV_EP6EF 0x98
+#define FGV_EP8EF 0x9c
+#define FGV_EP2FF 0xa0
+#define FGV_EP4FF 0xa4
+#define FGV_EP6FF 0xa8
+#define FGV_EP8FF 0xac
+#define FGV_GPIFDONE 0xb0
+#define FGV_GPIFWF 0xb4
+
+#define FGV_MIN FGV_EP2PF
+#define FGV_MAX FGV_GPIFWF
+
+
+/*
+ * Hook standard interrupt vector.
+ *
+ * vector_number is from the SV_<foo> list above.
+ * addr is the address of the interrupt service routine.
+ */
+void hook_sv (unsigned char vector_number, unsigned short addr);
+
+/*
+ * Hook usb interrupt vector.
+ *
+ * vector_number is from the UV_<foo> list above.
+ * addr is the address of the interrupt service routine.
+ */
+void hook_uv (unsigned char vector_number, unsigned short addr);
+
+/*
+ * Hook fifo/gpif interrupt vector.
+ *
+ * vector_number is from the FGV_<foo> list above.
+ * addr is the address of the interrupt service routine.
+ */
+void hook_fgv (unsigned char vector_number, unsigned short addr);
+
+/*
+ * One time call to enable autovectoring for both USB and FIFO/GPIF
+ */
+void setup_autovectors (void);
+
+
+/*
+ * Must be called in each usb interrupt handler
+ */
+#define clear_usb_irq() \
+ EXIF &= ~bmEXIF_USBINT; \
+ INT2CLR = 0
+
+/*
+ * Must be calledin each fifo/gpif interrupt handler
+ */
+#define clear_fifo_gpif_irq() \
+ EXIF &= ~bmEXIF_IE4; \
+ INT4CLR = 0
+
+#endif /* _ISR_H_ */
diff --git a/usrp/firmware/include/syncdelay.h b/usrp/firmware/include/syncdelay.h
new file mode 100644
index 000000000..fa67338bf
--- /dev/null
+++ b/usrp/firmware/include/syncdelay.h
@@ -0,0 +1,65 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef _SYNCDELAY_H_
+#define _SYNCDELAY_H_
+
+/*
+ * Magic delay required between access to certain xdata registers (TRM page 15-106).
+ * For our configuration, 48 MHz FX2 / 48 MHz IFCLK, we need three cycles. Each
+ * NOP is a single cycle....
+ *
+ * From TRM page 15-105:
+ *
+ * Under certain conditions, some read and write access to the FX2 registers must
+ * be separated by a "synchronization delay". The delay is necessary only under the
+ * following conditions:
+ *
+ * - between a write to any register in the 0xE600 - 0xE6FF range and a write to one
+ * of the registers listed below.
+ *
+ * - between a write to one of the registers listed below and a read from any register
+ * in the 0xE600 - 0xE6FF range.
+ *
+ * Registers which require a synchronization delay:
+ *
+ * FIFORESET FIFOPINPOLAR
+ * INPKTEND EPxBCH:L
+ * EPxFIFOPFH:L EPxAUTOINLENH:L
+ * EPxFIFOCFG EPxGPIFFLGSEL
+ * PINFLAGSAB PINFLAGSCD
+ * EPxFIFOIE EPxFIFOIRQ
+ * GPIFIE GPIFIRQ
+ * UDMACRCH:L GPIFADRH:L
+ * GPIFTRIG EPxGPIFTRIG
+ * OUTPKTEND REVCTL
+ * GPIFTCB3 GPIFTCB2
+ * GPIFTCB1 GPIFTCB0
+ */
+
+/*
+ * FIXME ensure that the peep hole optimizer isn't screwing us
+ */
+#define SYNCDELAY _asm nop; nop; nop; _endasm
+#define NOP _asm nop; _endasm
+
+
+#endif /* _SYNCDELAY_H_ */
diff --git a/usrp/firmware/include/timer.h b/usrp/firmware/include/timer.h
new file mode 100644
index 000000000..7bb640e20
--- /dev/null
+++ b/usrp/firmware/include/timer.h
@@ -0,0 +1,35 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _TIMER_H_
+#define _TIMER_H_
+
+/*
+ * Arrange to have isr_tick_handler called at 100 Hz
+ */
+void hook_timer_tick (unsigned short isr_tick_handler);
+
+#define clear_timer_irq() \
+ TF2 = 0 /* clear overflow flag */
+
+
+#endif /* _TIMER_H_ */
diff --git a/usrp/firmware/include/usb_common.h b/usrp/firmware/include/usb_common.h
new file mode 100644
index 000000000..f8e26bee1
--- /dev/null
+++ b/usrp/firmware/include/usb_common.h
@@ -0,0 +1,37 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _USB_COMMON_H_
+#define _USB_COMMON_H_
+
+extern volatile bit _usb_got_SUDAV;
+
+// Provided by user application to handle VENDOR commands.
+// returns non-zero if it handled the command.
+unsigned char app_vendor_cmd (void);
+
+void usb_install_handlers (void);
+void usb_handle_setup_packet (void);
+
+#define usb_setup_packet_avail() _usb_got_SUDAV
+
+#endif /* _USB_COMMON_H_ */
diff --git a/usrp/firmware/include/usb_descriptors.h b/usrp/firmware/include/usb_descriptors.h
new file mode 100644
index 000000000..68390d7f8
--- /dev/null
+++ b/usrp/firmware/include/usb_descriptors.h
@@ -0,0 +1,40 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+extern xdata const char high_speed_device_descr[];
+extern xdata const char high_speed_devqual_descr[];
+extern xdata const char high_speed_config_descr[];
+
+extern xdata const char full_speed_device_descr[];
+extern xdata const char full_speed_devqual_descr[];
+extern xdata const char full_speed_config_descr[];
+
+extern xdata unsigned char nstring_descriptors;
+extern xdata char * xdata string_descriptors[];
+
+/*
+ * We patch these locations with info read from the usrp config eeprom
+ */
+extern xdata char usb_desc_hw_rev_binary_patch_location_0[];
+extern xdata char usb_desc_hw_rev_binary_patch_location_1[];
+extern xdata char usb_desc_hw_rev_ascii_patch_location_0[];
+extern xdata char usb_desc_serial_number_ascii[];
diff --git a/usrp/firmware/include/usb_requests.h b/usrp/firmware/include/usb_requests.h
new file mode 100644
index 000000000..c4680b053
--- /dev/null
+++ b/usrp/firmware/include/usb_requests.h
@@ -0,0 +1,88 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+// Standard USB requests.
+// These are contained in end point 0 setup packets
+
+
+#ifndef _USB_REQUESTS_H_
+#define _USB_REQUESTS_H_
+
+// format of bmRequestType byte
+
+#define bmRT_DIR_MASK (0x1 << 7)
+#define bmRT_DIR_IN (1 << 7)
+#define bmRT_DIR_OUT (0 << 7)
+
+#define bmRT_TYPE_MASK (0x3 << 5)
+#define bmRT_TYPE_STD (0 << 5)
+#define bmRT_TYPE_CLASS (1 << 5)
+#define bmRT_TYPE_VENDOR (2 << 5)
+#define bmRT_TYPE_RESERVED (3 << 5)
+
+#define bmRT_RECIP_MASK (0x1f << 0)
+#define bmRT_RECIP_DEVICE (0 << 0)
+#define bmRT_RECIP_INTERFACE (1 << 0)
+#define bmRT_RECIP_ENDPOINT (2 << 0)
+#define bmRT_RECIP_OTHER (3 << 0)
+
+
+// standard request codes (bRequest)
+
+#define RQ_GET_STATUS 0
+#define RQ_CLEAR_FEATURE 1
+#define RQ_RESERVED_2 2
+#define RQ_SET_FEATURE 3
+#define RQ_RESERVED_4 4
+#define RQ_SET_ADDRESS 5
+#define RQ_GET_DESCR 6
+#define RQ_SET_DESCR 7
+#define RQ_GET_CONFIG 8
+#define RQ_SET_CONFIG 9
+#define RQ_GET_INTERFACE 10
+#define RQ_SET_INTERFACE 11
+#define RQ_SYNCH_FRAME 12
+
+// standard descriptor types
+
+#define DT_DEVICE 1
+#define DT_CONFIG 2
+#define DT_STRING 3
+#define DT_INTERFACE 4
+#define DT_ENDPOINT 5
+#define DT_DEVQUAL 6
+#define DT_OTHER_SPEED 7
+#define DT_INTERFACE_POWER 8
+
+// standard feature selectors
+
+#define FS_ENDPOINT_HALT 0 // recip: endpoint
+#define FS_DEV_REMOTE_WAKEUP 1 // recip: device
+#define FS_TEST_MODE 2 // recip: device
+
+// Get Status device attributes
+
+#define bmGSDA_SELF_POWERED 0x01
+#define bmGSDA_REM_WAKEUP 0x02
+
+
+#endif /* _USB_REQUESTS_H_ */
diff --git a/usrp/firmware/include/usrp_commands.h b/usrp/firmware/include/usrp_commands.h
new file mode 100644
index 000000000..24878929e
--- /dev/null
+++ b/usrp/firmware/include/usrp_commands.h
@@ -0,0 +1,99 @@
+/*
+ * USRP - Universal Software Radio Peripheral
+ *
+ * Copyright (C) 2003,2004 Free Software Foundation, Inc.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _USRP_COMMANDS_H_
+#define _USRP_COMMANDS_H_
+
+#include <usrp_interfaces.h>
+#include <usrp_spi_defs.h>
+
+#define MAX_EP0_PKTSIZE 64 // max size of EP0 packet on FX2
+
+// ----------------------------------------------------------------
+// Vendor bmRequestType's
+// ----------------------------------------------------------------
+
+#define VRT_VENDOR_IN 0xC0
+#define VRT_VENDOR_OUT 0x40
+
+// ----------------------------------------------------------------
+// USRP Vendor Requests
+//
+// Note that Cypress reserves [0xA0,0xAF].
+// 0xA0 is the firmware load function.
+// ----------------------------------------------------------------
+
+
+// IN commands
+
+#define VRQ_GET_STATUS 0x80
+#define GS_TX_UNDERRUN 0 // wIndexL // returns 1 byte
+#define GS_RX_OVERRUN 1 // wIndexL // returns 1 byte
+
+#define VRQ_I2C_READ 0x81 // wValueL: i2c address; length: how much to read
+
+#define VRQ_SPI_READ 0x82 // wValue: optional header bytes
+ // wIndexH: enables
+ // wIndexL: format
+ // len: how much to read
+
+// OUT commands
+
+#define VRQ_SET_LED 0x01 // wValueL off/on {0,1}; wIndexL: which {0,1}
+
+#define VRQ_FPGA_LOAD 0x02
+# define FL_BEGIN 0 // wIndexL: begin fpga programming cycle. stalls if trouble.
+# define FL_XFER 1 // wIndexL: xfer up to 64 bytes of data
+# define FL_END 2 // wIndexL: end programming cycle, check for success.
+ // stalls endpoint if trouble.
+
+#define VRQ_FPGA_WRITE_REG 0x03 // wIndexL: regno; data: 32-bit regval MSB first
+#define VRQ_FPGA_SET_RESET 0x04 // wValueL: {0,1}
+#define VRQ_FPGA_SET_TX_ENABLE 0x05 // wValueL: {0,1}
+#define VRQ_FPGA_SET_RX_ENABLE 0x06 // wValueL: {0,1}
+// see below VRQ_FPGA_SET_{TX,RX}_RESET
+
+#define VRQ_SET_SLEEP_BITS 0x07 // wValueH: mask; wValueL: bits. set bits given by mask to bits
+
+# define SLEEP_ADC0 0x01
+# define SLEEP_ADC1 0x02
+# define SLEEP_DAC0 0x04
+# define SLEEP_DAC1 0x08
+
+#define VRQ_I2C_WRITE 0x08 // wValueL: i2c address; data: data
+
+#define VRQ_SPI_WRITE 0x09 // wValue: optional header bytes
+ // wIndexH: enables
+ // wIndexL: format
+ // len: how much to write
+
+#define VRQ_FPGA_SET_TX_RESET 0x0a // wValueL: {0, 1}
+#define VRQ_FPGA_SET_RX_RESET 0x0b // wValueL: {0, 1}
+
+
+// -------------------------------------------------------------------
+// we store the hashes at fixed addresses in the FX2 internal memory
+
+#define USRP_HASH_SLOT_0_ADDR 0xe1e0
+#define USRP_HASH_SLOT_1_ADDR 0xe1f0
+
+
+
+#endif /* _USRP_COMMANDS_H_ */
diff --git a/usrp/firmware/include/usrp_config.h b/usrp/firmware/include/usrp_config.h
new file mode 100644
index 000000000..6d87665c2
--- /dev/null
+++ b/usrp/firmware/include/usrp_config.h
@@ -0,0 +1,44 @@
+/*
+ * USRP - Universal Software Radio Peripheral
+ *
+ * Copyright (C) 2003 Free Software Foundation, Inc.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * configuration stuff for debugging
+ */
+
+/*
+ * Define to 0 for normal use of port A, i.e., FPGA control bus.
+ * Define to 1 to write trace to port A for scoping with logic analyzer.
+ */
+#define UC_TRACE_USING_PORT_A 0
+
+
+/*
+ * Define to 0 for normal use of low 3 bits of port E, i.e., A/D, D/A SLEEP bits.
+ * Define to 1 to enable by default driving the GPIF state to the
+ * low three bits of port E.
+ */
+#define UC_START_WITH_GSTATE_OUTPUT_ENABLED 0
+
+
+/*
+ * Define to 1 for normal use (the board really has an FPGA on it).
+ * Define to 0 for debug use on board without FPGA.
+ */
+#define UC_BOARD_HAS_FPGA 1
diff --git a/usrp/firmware/include/usrp_i2c_addr.h b/usrp/firmware/include/usrp_i2c_addr.h
new file mode 100644
index 000000000..738bf2e6b
--- /dev/null
+++ b/usrp/firmware/include/usrp_i2c_addr.h
@@ -0,0 +1,78 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#ifndef INCLUDED_USRP_I2C_ADDR_H
+#define INCLUDED_USRP_I2C_ADDR_H
+
+// I2C addresses
+
+#define I2C_DEV_EEPROM 0x50 // 24LC02[45]: 7-bits 1010xxx
+
+#define I2C_ADDR_BOOT (I2C_DEV_EEPROM | 0x0)
+#define I2C_ADDR_TX_A (I2C_DEV_EEPROM | 0x4)
+#define I2C_ADDR_RX_A (I2C_DEV_EEPROM | 0x5)
+#define I2C_ADDR_TX_B (I2C_DEV_EEPROM | 0x6)
+#define I2C_ADDR_RX_B (I2C_DEV_EEPROM | 0x7)
+
+
+// format of FX2 BOOT EEPROM
+// 00: 0xC0 code for ``Read IDs from EEPROM''
+// 01: 0xFE USB Vendor ID (LSB)
+// 02: 0xFF USB Vendor ID (MSB)
+// 03: 0x02 USB Product ID (LSB)
+// 04: 0x00 USB Product ID (MSB)
+// 05: 0x01 USB Device ID (LSB) // rev1
+// 06: 0x00 USB Device ID (MSB) // 0 = unconfig'd (no firmware)
+// 07: 0x00 option byte
+
+
+// format of daughterboard EEPROM
+// 00: 0xDB code for ``I'm a daughterboard''
+// 01: .. Daughterboard ID (LSB)
+// 02: .. Daughterboard ID (MSB)
+// 03: .. io bits 7-0 direction (bit set if it's an output from m'board)
+// 04: .. io bits 15-8 direction (bit set if it's an output from m'board)
+// 05: .. ADC0 DC offset correction (LSB)
+// 06: .. ADC0 DC offset correction (MSB)
+// 07: .. ADC1 DC offset correction (LSB)
+// 08: .. ADC1 DC offset correction (MSB)
+// ...
+// 1f: .. negative of the sum of bytes [0x00, 0x1e]
+
+#define DB_EEPROM_MAGIC 0x00
+#define DB_EEPROM_MAGIC_VALUE 0xDB
+#define DB_EEPROM_ID_LSB 0x01
+#define DB_EEPROM_ID_MSB 0x02
+#define DB_EEPROM_OE_LSB 0x03
+#define DB_EEPROM_OE_MSB 0x04
+#define DB_EEPROM_OFFSET_0_LSB 0x05 // offset correction for ADC or DAC 0
+#define DB_EEPROM_OFFSET_0_MSB 0x06
+#define DB_EEPROM_OFFSET_1_LSB 0x07 // offset correction for ADC or DAC 1
+#define DB_EEPROM_OFFSET_1_MSB 0x08
+#define DB_EEPROM_CHKSUM 0x1f
+
+#define DB_EEPROM_CLEN 0x20 // length of common portion of eeprom
+
+#define DB_EEPROM_CUSTOM_BASE DB_EEPROM_CLEN // first avail offset for
+ // daughterboard specific use
+
+#endif /* INCLUDED_USRP_I2C_ADDR_H */
+
diff --git a/usrp/firmware/include/usrp_ids.h b/usrp/firmware/include/usrp_ids.h
new file mode 100644
index 000000000..65c4755bf
--- /dev/null
+++ b/usrp/firmware/include/usrp_ids.h
@@ -0,0 +1,53 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * USB Vendor and Product IDs that we use
+ *
+ * (keep in sync with usb_descriptors.a51)
+ */
+
+#ifndef _USRP_IDS_H_
+#define _USRP_IDS_H_
+
+#define USB_VID_CYPRESS 0x04b4
+#define USB_PID_CYPRESS_FX2 0x8613
+
+
+#define USB_VID_FSF 0xfffe // Free Software Folks
+#define USB_PID_FSF_EXP_0 0x0000 // Experimental 0
+#define USB_PID_FSF_EXP_1 0x0001 // Experimental 1
+#define USB_PID_FSF_USRP 0x0002 // Universal Software Radio Peripheral
+#define USB_PID_FSF_USRP_reserved 0x0003 // Universal Software Radio Peripheral
+#define USB_PID_FSF_SSRP 0x0004 // Simple Software Radio Peripheral
+#define USB_PID_FSF_SSRP_reserved 0x0005 // Simple Software Radio Peripheral
+#define USB_PID_FSF_HPSDR 0x0006 // High Performance Software Defined Radio (Internal Boot)
+#define USB_PID_FSF_HPSDR_HA 0x0007 // High Performance Software Defined Radio (Host Assisted Boot)
+
+#define USB_PID_FSF_LBNL_UXO 0x0018 // http://recycle.lbl.gov/~ldoolitt/uxo/
+
+
+#define USB_DID_USRP_0 0x0000 // unconfigured rev 0 USRP
+#define USB_DID_USRP_1 0x0001 // unconfigured rev 1 USRP
+#define USB_DID_USRP_2 0x0002 // unconfigured rev 2 USRP
+
+#endif /* _USRP_IDS_H_ */
diff --git a/usrp/firmware/include/usrp_interfaces.h b/usrp/firmware/include/usrp_interfaces.h
new file mode 100644
index 000000000..98432d1e8
--- /dev/null
+++ b/usrp/firmware/include/usrp_interfaces.h
@@ -0,0 +1,47 @@
+/* -*- 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _USRP_INTERFACES_H_
+#define _USRP_INTERFACES_H_
+
+/*
+ * We've now split the USRP into 3 separate interfaces.
+ *
+ * Interface 0 contains only ep0 and is used for command and status.
+ * Interface 1 is the Tx path and it uses ep2 OUT BULK.
+ * Interface 2 is the Rx path and it uses ep6 IN BULK.
+ */
+
+#define USRP_CMD_INTERFACE 0
+#define USRP_CMD_ALTINTERFACE 0
+#define USRP_CMD_ENDPOINT 0
+
+#define USRP_TX_INTERFACE 1
+#define USRP_TX_ALTINTERFACE 0
+#define USRP_TX_ENDPOINT 2 // streaming data from host to FPGA
+
+#define USRP_RX_INTERFACE 2
+#define USRP_RX_ALTINTERFACE 0
+#define USRP_RX_ENDPOINT 6 // streaming data from FPGA to host
+
+
+#endif /* _USRP_INTERFACES_H_ */
diff --git a/usrp/firmware/include/usrp_spi_defs.h b/usrp/firmware/include/usrp_spi_defs.h
new file mode 100644
index 000000000..8404d7cb4
--- /dev/null
+++ b/usrp/firmware/include/usrp_spi_defs.h
@@ -0,0 +1,86 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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 2, 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef INCLUDED_USRP_SPI_DEFS_H
+#define INCLUDED_USRP_SPI_DEFS_H
+
+/*
+ * defines for the VRQ_SPI_READ and VRQ_SPI_WRITE commands
+ *
+ * SPI == "Serial Port Interface". SPI is a 3 wire bus plus a
+ * separate enable for each peripheral. The common lines are SCLK,
+ * SDI and SDO. The FX2 always drives SCLK and SDI, the clock and
+ * data lines from the FX2 to the peripheral. When enabled, a
+ * peripheral may drive SDO, the data line from the peripheral to the
+ * FX2.
+ *
+ * The SPI_READ and SPI_WRITE commands are formatted identically.
+ * Each specifies which peripherals to enable, whether the bits should
+ * be transmistted Most Significant Bit first or Least Significant Bit
+ * first, the number of bytes in the optional header, and the number
+ * of bytes to read or write in the body.
+ *
+ * The body is limited to 64 bytes. The optional header may contain
+ * 0, 1 or 2 bytes. For an SPI_WRITE, the header bytes are
+ * transmitted to the peripheral followed by the the body bytes. For
+ * an SPI_READ, the header bytes are transmitted to the peripheral,
+ * then len bytes are read back from the peripheral.
+ */
+
+/*
+ * SPI_FMT_* goes in wIndexL
+ */
+#define SPI_FMT_xSB_MASK (1 << 7)
+# define SPI_FMT_LSB (1 << 7) // least signficant bit first
+# define SPI_FMT_MSB (0 << 7) // most significant bit first
+#define SPI_FMT_HDR_MASK (3 << 5)
+# define SPI_FMT_HDR_0 (0 << 5) // 0 header bytes
+# define SPI_FMT_HDR_1 (1 << 5) // 1 header byte
+# define SPI_FMT_HDR_2 (2 << 5) // 2 header bytes
+
+/*
+ * SPI_ENABLE_* goes in wIndexH
+ *
+ * For the software interface, the enables are active high.
+ * For reads, it's an error to have more than one enable set.
+ *
+ * [FWIW, the hardware implements them as active low. Don't change the
+ * definitions of these. They are related to usrp_rev1_regs.h]
+ */
+#define SPI_ENABLE_FPGA 0x01 // select FPGA
+#define SPI_ENABLE_CODEC_A 0x02 // select AD9862 A
+#define SPI_ENABLE_CODEC_B 0x04 // select AD9862 B
+#define SPI_ENABLE_reserved 0x08
+#define SPI_ENABLE_TX_A 0x10 // select d'board TX A
+#define SPI_ENABLE_RX_A 0x20 // select d'board RX A
+#define SPI_ENABLE_TX_B 0x40 // select d'board TX B
+#define SPI_ENABLE_RX_B 0x80 // select d'board RX B
+
+/*
+ * If there's one header byte, it goes in wValueL.
+ *
+ * If there are two header bytes, they go in wValueH | wValueL.
+ * The transmit order of the bytes (and bits within them) is
+ * determined by SPI_FMT_*SB
+ */
+
+#endif /* INCLUDED_USRP_SPI_DEFS_H */