b2xx: Pulling FX3 and AD9361 source code into master.

2 files changed, 106 insertions, 0 deletions

diff --git a/firmware/fx3/ad9361/include/ad9361_dispatch.h b/firmware/fx3/ad9361/include/ad9361_dispatch.h
new file mode 100644
index 000000000..e89a4e0b0
--- /dev/null
+++ b/firmware/fx3/ad9361/include/ad9361_dispatch.h
@@ -0,0 +1,16 @@
+//
+// Copyright 2013-2014 Ettus Research LLC
+//
+
+#ifndef INCLUDED_AD9361_DISPATCH_H
+#define INCLUDED_AD9361_DISPATCH_H
+
+#include <ad9361_transaction.h>
+
+extern void ad9361_dispatch(const char* request, char* response);
+
+typedef void (*msgfn)(const char*, ...);
+
+extern void ad9361_set_msgfn(msgfn pfn);
+
+#endif /* INCLUDED_AD9361_DISPATCH_H */
diff --git a/firmware/fx3/ad9361/include/ad9361_transaction.h b/firmware/fx3/ad9361/include/ad9361_transaction.h
new file mode 100644
index 000000000..2349a5d3d
--- /dev/null
+++ b/firmware/fx3/ad9361/include/ad9361_transaction.h
@@ -0,0 +1,90 @@
+//
+// Copyright 2013-2014 Ettus Research LLC
+//
+
+#ifndef INCLUDED_AD9361_TRANSACTION_H
+#define INCLUDED_AD9361_TRANSACTION_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//various constants
+#define AD9361_TRANSACTION_VERSION       0x4
+#define AD9361_DISPATCH_PACKET_SIZE      64
+
+//action types
+#define AD9361_ACTION_ECHO 0
+#define AD9361_ACTION_INIT 1
+#define AD9361_ACTION_SET_RX1_GAIN 2
+#define AD9361_ACTION_SET_TX1_GAIN 3
+#define AD9361_ACTION_SET_RX2_GAIN 4
+#define AD9361_ACTION_SET_TX2_GAIN 5
+#define AD9361_ACTION_SET_RX_FREQ 6
+#define AD9361_ACTION_SET_TX_FREQ 7
+#define AD9361_ACTION_SET_CODEC_LOOP 8
+#define AD9361_ACTION_SET_CLOCK_RATE 9
+#define AD9361_ACTION_SET_ACTIVE_CHAINS 10
+
+static inline void ad9361_double_pack(const double input, uint32_t output[2])
+{
+    const uint32_t *p = (const uint32_t *)&input;
+    output[0] = p[0];
+    output[1] = p[1];
+}
+
+static inline double ad9361_double_unpack(const uint32_t input[2])
+{
+    double output = 0.0;
+    uint32_t *p = (uint32_t *)&output;
+    p[0] = input[0];
+    p[1] = input[1];
+    return output;
+}
+
+typedef struct
+{
+    //version is expected to be AD9361_TRANSACTION_VERSION
+    //check otherwise for compatibility
+    uint32_t version;
+
+    //sequence number - increment every call for sanity
+    uint32_t sequence;
+
+    //action tells us what to do, see AD9361_ACTION_*
+    uint32_t action;
+
+    union
+    {
+        //enable mask for chains
+        uint32_t enable_mask;
+
+        //true to enable codec internal loopback
+        uint32_t codec_loop;
+
+        //freq holds request LO freq and result from tune
+        uint32_t freq[2];
+
+        //gain holds request gain and result from action
+        uint32_t gain[2];
+
+        //rate holds request clock rate and result from action
+        uint32_t rate[2];
+
+    } value;
+
+    //error message comes back as a reply -
+    //set to null string for no error \0
+    char error_msg[];
+
+} ad9361_transaction_t;
+
+#define AD9361_TRANSACTION_MAX_ERROR_MSG (AD9361_DISPATCH_PACKET_SIZE - (sizeof(ad9361_transaction_t)-4)-1)	// -4 for 'error_msg' alignment padding, -1 for terminating \0
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INCLUDED_AD9361_TRANSACTION_H */