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authorJosh Blum <josh@joshknows.com>2010-08-04 16:33:49 -0700
committerJosh Blum <josh@joshknows.com>2010-08-04 16:33:49 -0700
commit8e1d51d628afb18dc9a36f268dda1e9f48a1c2ad (patch)
tree9aea9b125848fa7fc3ea45c96bff27dde2c1e8fb /firmware/microblaze/lib/clock_bits.h
parent702d5af8ca0bab8ef295c817017df5952f6aea51 (diff)
parent70abdef8f6c6d24a99caf8d3668f32094b159903 (diff)
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Merge branch 'master' into codec_gains
Conflicts: host/lib/CMakeLists.txt host/lib/utils/gain_handler.cpp
Diffstat (limited to 'firmware/microblaze/lib/clock_bits.h')
-rw-r--r--firmware/microblaze/lib/clock_bits.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/clock_bits.h b/firmware/microblaze/lib/clock_bits.h
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+//
+// Copyright 2010 Ettus Research LLC
+//
+/*
+ * Copyright 2008 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_USRP2_CLOCK_BITS_H
+#define INCLUDED_USRP2_CLOCK_BITS_H
+
+#define _MC_WE_LOCK 0x0001
+#define _MC_MIMO_CLK_INPUT 0x0002 // else SMA input
+
+/*
+ * Derived masks (use these):
+ *
+ * We get our input from 1 of three places:
+ * Our free running oscilator, our SMA connector, or from the MIMO connector
+ */
+#define MC_WE_DONT_LOCK 0x0000
+#define MC_WE_LOCK_TO_SMA (_MC_WE_LOCK | 0)
+#define MC_WE_LOCK_TO_MIMO (_MC_WE_LOCK | _MC_MIMO_CLK_INPUT)
+
+/*
+ * Independent of the source of the clock, we may or may not drive our
+ * clock onto the mimo connector. Note that there are dedicated clock
+ * signals in each direction, so disaster doesn't occurs if we're
+ * unnecessarily providing clock.
+ */
+#define MC_PROVIDE_CLK_TO_MIMO 0x0004
+
+#define MC_REF_CLK_MASK 0x0f
+
+#define MC_PPS_SOURCE_SMA (0x00 << 4)
+#define MC_PPS_SOURCE_MIMO (0x01 << 4)
+
+#define MC_PPS_POLARITY_NEG (0x00 << 5)
+#define MC_PPS_POLARITY_POS (0x01 << 5)
+
+#endif /* INCLUDED_USRP2_CLOCK_BITS_H */