diff options
Diffstat (limited to 'usrp2/firmware/include/usrp2_i2c_addr.h')
| -rw-r--r-- | usrp2/firmware/include/usrp2_i2c_addr.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/usrp2/firmware/include/usrp2_i2c_addr.h b/usrp2/firmware/include/usrp2_i2c_addr.h new file mode 100644 index 000000000..f25996903 --- /dev/null +++ b/usrp2/firmware/include/usrp2_i2c_addr.h @@ -0,0 +1,82 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef INCLUDED_USRP2_I2C_ADDR_H +#define INCLUDED_USRP2_I2C_ADDR_H + +#include "usrp2_cdefs.h" + +__U2_BEGIN_DECLS + +// I2C addresses + +#define I2C_DEV_EEPROM 0x50 // 24LC02[45]: 7-bits 1010xxx + +#define I2C_ADDR_MBOARD (I2C_DEV_EEPROM | 0x0) +#define I2C_ADDR_TX_A (I2C_DEV_EEPROM | 0x4) +#define I2C_ADDR_RX_A (I2C_DEV_EEPROM | 0x5) + + +// format of USRP2 motherboard rom +// 00: 0x00 h/w rev (LSB) +// 01: 0x00 h/w rev (MSB) +// 02: 0x00 MAC addr 0 +// 03: 0x50 MAC addr 1 +// 04: 0xC2 MAC addr 2 +// 05: 0x85 MAC addr 3 +// 06: 0x3. MAC addr 4 +// 07: 0x.. MAC addr 5 + +#define MBOARD_REV_LSB 0x00 +#define MBOARD_REV_MSB 0x01 +#define MBOARD_MAC_ADDR 0x02 + + +// 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 +__U2_END_DECLS + +#endif /* INCLUDED_USRP2_I2C_ADDR_H */ + |