Added i2c interface to serial.hpp, using in usrp2_iface for i2c and eeprom.

1 files changed, 27 insertions, 0 deletions

diff --git a/host/lib/types.cpp b/host/lib/types.cpp
index 91887840c..a1b9b21a9 100644
--- a/host/lib/types.cpp
+++ b/host/lib/types.cpp
@@ -31,6 +31,7 @@
 #include <boost/foreach.hpp>
 #include <boost/format.hpp>
 #include <boost/cstdint.hpp>
+#include <boost/assign/list_of.hpp>
 #include <stdexcept>
 #include <complex>
 
@@ -250,3 +251,29 @@ spi_config_t::spi_config_t(edge_t edge){
     mosi_edge = edge;
     miso_edge = edge;
 }
+
+void i2c_iface::write_eeprom(
+    boost::uint8_t addr,
+    boost::uint8_t offset,
+    const byte_vector_t &bytes
+){
+    BOOST_FOREACH(boost::uint8_t byte, bytes){
+        //write a byte at a time, its easy that way
+        byte_vector_t cmd = boost::assign::list_of(offset)(byte);
+        this->write_i2c(addr, cmd);
+    }
+}
+
+byte_vector_t i2c_iface::read_eeprom(
+    boost::uint8_t addr,
+    boost::uint8_t offset,
+    size_t num_bytes
+){
+    byte_vector_t bytes;
+    for (size_t i = 0; i < num_bytes; i++){
+        //do a zero byte write to start read cycle
+        this->write_i2c(addr, byte_vector_t(1, offset));
+        bytes.push_back(this->read_i2c(addr, 1).at(0));
+    }
+    return bytes;
+}