1 files changed, 119 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h
new file mode 100644
index 000000000..75f5b1779
--- /dev/null
+++ b/host/lib/usrp/usrp2/fw_common.h
@@ -0,0 +1,119 @@
+//
+// Copyright 2010 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_USRP2_FW_COMMON_H
+#define INCLUDED_USRP2_FW_COMMON_H
+
+/*!
+ * Structs and constants for usrp2 communication.
+ * This header is shared by the firmware and host code.
+ * Therefore, this header may only contain valid C code.
+ */
+#ifdef __cplusplus
+#include <boost/cstdint.hpp>
+#define _SINS_ boost:://stdint namespace when in c++
+extern "C" {
+#else
+#include <stdint.h>
+#define _SINS_
+#endif
+
+//defines the protocol version in this shared header
+//increment this value when the protocol is changed
+#define USRP2_PROTO_VERSION 3
+
+//used to differentiate control packets over data port
+#define USRP2_INVALID_VRT_HEADER 0
+
+// size of the vrt header and trailer to the host
+#define USRP2_HOST_RX_VRT_HEADER_WORDS32 5
+#define USRP2_HOST_RX_VRT_TRAILER_WORDS32 1 //FIXME fpga sets wrong header size when no trailer present
+
+// udp ports for the usrp2 communication
+// Dynamic and/or private ports: 49152-65535
+#define USRP2_UDP_CTRL_PORT 49152
+#define USRP2_UDP_DATA_PORT 49153
+
+typedef enum{
+    USRP2_CTRL_ID_HUH_WHAT = ' ',
+    //USRP2_CTRL_ID_FOR_SURE, //TODO error condition enums
+    //USRP2_CTRL_ID_SUX_MAN,
+
+    USRP2_CTRL_ID_WAZZUP_BRO = 'a',
+    USRP2_CTRL_ID_WAZZUP_DUDE = 'A',
+
+    USRP2_CTRL_ID_TRANSACT_ME_SOME_SPI_BRO = 's',
+    USRP2_CTRL_ID_OMG_TRANSACTED_SPI_DUDE = 'S',
+
+    USRP2_CTRL_ID_DO_AN_I2C_READ_FOR_ME_BRO = 'i',
+    USRP2_CTRL_ID_HERES_THE_I2C_DATA_DUDE = 'I',
+
+    USRP2_CTRL_ID_WRITE_THESE_I2C_VALUES_BRO = 'h',
+    USRP2_CTRL_ID_COOL_IM_DONE_I2C_WRITE_DUDE = 'H',
+
+    USRP2_CTRL_ID_POKE_THIS_REGISTER_FOR_ME_BRO = 'p',
+    USRP2_CTRL_ID_OMG_POKED_REGISTER_SO_BAD_DUDE = 'P',
+
+    USRP2_CTRL_ID_PEEK_AT_THIS_REGISTER_FOR_ME_BRO = 'r',
+    USRP2_CTRL_ID_WOAH_I_DEFINITELY_PEEKED_IT_DUDE = 'R',
+
+    USRP2_CTRL_ID_PEACE_OUT = '~'
+
+} usrp2_ctrl_id_t;
+
+typedef enum{
+    USRP2_DIR_RX = 'r',
+    USRP2_DIR_TX = 't'
+} usrp2_dir_which_t;
+
+typedef enum{
+    USRP2_CLK_EDGE_RISE = 'r',
+    USRP2_CLK_EDGE_FALL = 'f'
+} usrp2_clk_edge_t;
+
+typedef struct{
+    _SINS_ uint32_t proto_ver;
+    _SINS_ uint32_t id;
+    _SINS_ uint32_t seq;
+    union{
+        _SINS_ uint32_t ip_addr;
+        struct {
+            _SINS_ uint8_t dev;
+            _SINS_ uint8_t miso_edge;
+            _SINS_ uint8_t mosi_edge;
+            _SINS_ uint8_t readback;
+            _SINS_ uint32_t data;
+            _SINS_ uint8_t num_bits;
+        } spi_args;
+        struct {
+            _SINS_ uint8_t addr;
+            _SINS_ uint8_t bytes;
+            _SINS_ uint8_t data[sizeof(_SINS_ uint32_t)];
+        } i2c_args;
+        struct {
+            _SINS_ uint32_t addr;
+            _SINS_ uint32_t data;
+            _SINS_ uint8_t num_bytes; //1, 2, 4
+        } poke_args;
+    } data;
+} usrp2_ctrl_data_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INCLUDED_USRP2_FW_COMMON_H */