From 039eceb4b208b2ca5a3465d2f16c8d5a7c7276c7 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 23 Apr 2010 19:21:47 -0700
Subject: Moved reading the eeprom (dboard ids) onto the host.

Created a eeprom parser for the format in the dboard.
Removed the support from the microblaze code.
---
 host/lib/usrp/usrp2/usrp2_iface.hpp | 55 +++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'host/lib/usrp/usrp2/usrp2_iface.hpp')

diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp
index 6667c8998..938359677 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.hpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.hpp
@@ -25,6 +25,15 @@
 #include <boost/cstdint.hpp>
 #include "fw_common.h"
 
+////////////////////////////////////////////////////////////////////////
+// I2C addresses
+////////////////////////////////////////////////////////////////////////
+#define I2C_DEV_EEPROM  0x50 // 24LC02[45]:  7-bits 1010xxx
+#define	I2C_ADDR_MBOARD (I2C_DEV_EEPROM | 0x0)
+#define	I2C_ADDR_TX_DB  (I2C_DEV_EEPROM | 0x4)
+#define	I2C_ADDR_RX_DB  (I2C_DEV_EEPROM | 0x5)
+////////////////////////////////////////////////////////////////////////
+
 /*!
  * The usrp2 interface class:
  * Provides a set of functions to implementation layer.
@@ -93,6 +102,52 @@ public:
         bool readback
     ) = 0;
 
+    /*!
+     * Write bytes over the i2c.
+     * \param addr the address
+     * \param buf the vector of bytes
+     */
+    virtual void write_i2c(
+        boost::uint8_t addr,
+        const uhd::byte_vector_t &buf
+    ) = 0;
+
+    /*!
+     * Read bytes over the i2c.
+     * \param addr the address
+     * \param num_bytes number of bytes to read
+     * \return a vector of bytes
+     */
+    virtual uhd::byte_vector_t read_i2c(
+        boost::uint8_t addr,
+        size_t num_bytes
+    ) = 0;
+
+    /*!
+     * Write bytes to an eeprom.
+     * \param addr the address
+     * \param offset byte offset
+     * \param buf the vector of bytes
+     */
+    virtual void write_eeprom(
+        boost::uint8_t addr,
+        boost::uint8_t offset,
+        const uhd::byte_vector_t &buf
+    ) = 0;
+
+    /*!
+     * Read bytes from an eeprom.
+     * \param addr the address
+     * \param offset byte offset
+     * \param num_bytes number of bytes to read
+     * \return a vector of bytes
+     */
+    virtual uhd::byte_vector_t read_eeprom(
+        boost::uint8_t addr,
+        boost::uint8_t offset,
+        size_t num_bytes
+    ) = 0;
+
     /*!
      * Get the master clock frequency.
      * \return the frequency in Hz
-- 
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