blob: d2052e941805f19ec3abf0e31d07b8cff4fdf775 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
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 */
|
