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| author | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2010-12-22 19:19:14 -0800 |
| commit | 22ed61f97815856bf74cec25ae6bca88bfbe5f44 (patch) | |
| tree | 7d87d49b46f9507ff10486097e6d79e4bee4cb81 /firmware/zpu/lib/clock_bits.h | |
| parent | 71fc99d006f2347a356c5339905593f64ff902ec (diff) | |
| download | uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.gz uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.tar.bz2 uhd-22ed61f97815856bf74cec25ae6bca88bfbe5f44.zip | |
zpu: renamed the directory for the usrp2 fw to zpu to reflect the cpu type
Diffstat (limited to 'firmware/zpu/lib/clock_bits.h')
| -rw-r--r-- | firmware/zpu/lib/clock_bits.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/firmware/zpu/lib/clock_bits.h b/firmware/zpu/lib/clock_bits.h new file mode 100644 index 000000000..d2052e941 --- /dev/null +++ b/firmware/zpu/lib/clock_bits.h @@ -0,0 +1,55 @@ +// +// 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 */ |