usrp_i2c_addr.h

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/* -*- 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 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_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 */