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authorJosh Blum <josh@joshknows.com>2010-08-31 16:57:35 -0700
committerJosh Blum <josh@joshknows.com>2010-08-31 16:57:35 -0700
commit4829a9be550bf5479f9f5df66905d22e50de3a25 (patch)
tree53a5277d8355c72b00a0d3d589d4544b3893741d /firmware/fx2/include/usrp_i2c_addr.h
parentd5ffc2d767d4086aa3f4d88e88034c355d4e9a3b (diff)
parent0616872e35ac6429c19c2495bf4e378551bdd60e (diff)
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Merge branch 'usrp1' into next
Diffstat (limited to 'firmware/fx2/include/usrp_i2c_addr.h')
-rw-r--r--firmware/fx2/include/usrp_i2c_addr.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/firmware/fx2/include/usrp_i2c_addr.h b/firmware/fx2/include/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 */
+