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authorTom Rondeau2011-10-19 16:40:14 -0700
committerTom Rondeau2011-10-19 16:40:14 -0700
commiteb95f431badf197b249131a3119a92bd5317621b (patch)
tree645854a7e1e6cf57fcae56f196a5d828b913555e /usrp/firmware/include/fpga_regs_common.h
parente30b824e9165bff69f09121631c3d5a706cbbd39 (diff)
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Removed usrp(2) directories.
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diff --git a/usrp/firmware/include/fpga_regs_common.h b/usrp/firmware/include/fpga_regs_common.h
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-/* -*- 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 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-#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 and 3 are defined in the ATR section
-
-#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
-
-// Clock ticks to delay rising and falling edge of T/R signal
-#define FR_ATR_TX_DELAY 2
-#define FR_ATR_RX_DELAY 3
-
-#endif /* INCLUDED_FPGA_REGS_COMMON_H */