1 files changed, 75 insertions, 0 deletions
diff --git a/host/lib/usrp/b100/ctrl_packet.hpp b/host/lib/usrp/b100/ctrl_packet.hpp
new file mode 100644
index 000000000..bab1f0de1
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+++ b/host/lib/usrp/b100/ctrl_packet.hpp
@@ -0,0 +1,75 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// 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_CTRL_PACKET_HPP
+#define INCLUDED_CTRL_PACKET_HPP
+
+#include <uhd/config.hpp>
+#include <boost/cstdint.hpp>
+#include <uhd/types/serial.hpp>
+
+typedef std::vector<boost::uint16_t> ctrl_data_t;
+
+/*!
+ * Control packet operation type
+ */
+enum ctrl_pkt_op_t { 
+    CTRL_PKT_OP_WRITE = 1,
+    CTRL_PKT_OP_READ = 2,
+    CTRL_PKT_OP_READBACK = 3
+};
+
+/*!
+ * Control packet transaction length
+ */
+const size_t CTRL_PACKET_LENGTH = 32;
+const size_t CTRL_PACKET_HEADER_LENGTH = 8;
+const size_t CTRL_PACKET_DATA_LENGTH = 24; //=length-header
+
+/*!
+ * Control packet header magic value
+ */
+const boost::uint8_t CTRL_PACKET_HEADER_MAGIC = 0xAA;
+
+/*! 
+ * Callback triggers for readback operation
+ */
+//FIXME: these are not real numbers, callbacks aren't implemented yet
+const boost::uint16_t CTRL_PACKET_CALLBACK_SPI = 0x0001;
+const boost::uint16_t CTRL_PACKET_CALLBACK_I2C = 0x0002;
+//and so on
+
+/*!
+ * Metadata structure to describe a control packet
+ */
+struct UHD_API ctrl_pkt_meta_t {
+    ctrl_pkt_op_t op;
+    boost::uint8_t callbacks;
+    boost::uint8_t seq;
+    boost::uint16_t len;
+    boost::uint32_t addr;
+};
+
+/*! 
+ * Full control packet structure
+ */
+struct UHD_API ctrl_pkt_t {
+    ctrl_pkt_meta_t pkt_meta;
+    ctrl_data_t data;
+};
+
+#endif /* INCLUDED_CTRL_PACKET_HPP */