1 What: /sys/class/pps/ 1 What: /sys/class/pps/
2 Date: February 2008 2 Date: February 2008
3 Contact: Rodolfo Giometti <giometti@linu 3 Contact: Rodolfo Giometti <giometti@linux.it>
4 Description: 4 Description:
5 The /sys/class/pps/ directory 5 The /sys/class/pps/ directory will contain files and
6 directories that will provide 6 directories that will provide a unified interface to
7 the PPS sources. 7 the PPS sources.
8 8
9 What: /sys/class/pps/ppsX/ 9 What: /sys/class/pps/ppsX/
10 Date: February 2008 10 Date: February 2008
11 Contact: Rodolfo Giometti <giometti@linu 11 Contact: Rodolfo Giometti <giometti@linux.it>
12 Description: 12 Description:
13 The /sys/class/pps/ppsX/ direc 13 The /sys/class/pps/ppsX/ directory is related to X-th
14 PPS source into the system. Ea 14 PPS source into the system. Each directory will
15 contain files to manage and co 15 contain files to manage and control its PPS source.
16 16
17 What: /sys/class/pps/ppsX/assert 17 What: /sys/class/pps/ppsX/assert
18 Date: February 2008 18 Date: February 2008
19 Contact: Rodolfo Giometti <giometti@linu 19 Contact: Rodolfo Giometti <giometti@linux.it>
20 Description: 20 Description:
21 The /sys/class/pps/ppsX/assert 21 The /sys/class/pps/ppsX/assert file reports the assert events
22 and the assert sequence number 22 and the assert sequence number of the X-th source in the form:
23 23
24 <secs>.<nsec>#<sequenc 24 <secs>.<nsec>#<sequence>
25 25
26 If the source has no assert ev 26 If the source has no assert events the content of this file
27 is empty. 27 is empty.
28 28
29 What: /sys/class/pps/ppsX/clear 29 What: /sys/class/pps/ppsX/clear
30 Date: February 2008 30 Date: February 2008
31 Contact: Rodolfo Giometti <giometti@linu 31 Contact: Rodolfo Giometti <giometti@linux.it>
32 Description: 32 Description:
33 The /sys/class/pps/ppsX/clear 33 The /sys/class/pps/ppsX/clear file reports the clear events
34 and the clear sequence number 34 and the clear sequence number of the X-th source in the form:
35 35
36 <secs>.<nsec>#<sequenc 36 <secs>.<nsec>#<sequence>
37 37
38 If the source has no clear eve 38 If the source has no clear events the content of this file
39 is empty. 39 is empty.
40 40
41 What: /sys/class/pps/ppsX/mode 41 What: /sys/class/pps/ppsX/mode
42 Date: February 2008 42 Date: February 2008
43 Contact: Rodolfo Giometti <giometti@linu 43 Contact: Rodolfo Giometti <giometti@linux.it>
44 Description: 44 Description:
45 The /sys/class/pps/ppsX/mode f 45 The /sys/class/pps/ppsX/mode file reports the functioning
46 mode of the X-th source in hex 46 mode of the X-th source in hexadecimal encoding.
47 47
48 Please, refer to linux/include 48 Please, refer to linux/include/linux/pps.h for further
49 info. 49 info.
50 50
51 What: /sys/class/pps/ppsX/echo 51 What: /sys/class/pps/ppsX/echo
52 Date: February 2008 52 Date: February 2008
53 Contact: Rodolfo Giometti <giometti@linu 53 Contact: Rodolfo Giometti <giometti@linux.it>
54 Description: 54 Description:
55 The /sys/class/pps/ppsX/echo f 55 The /sys/class/pps/ppsX/echo file reports if the X-th does
56 or does not support an "echo" 56 or does not support an "echo" function.
57 57
58 What: /sys/class/pps/ppsX/name 58 What: /sys/class/pps/ppsX/name
59 Date: February 2008 59 Date: February 2008
60 Contact: Rodolfo Giometti <giometti@linu 60 Contact: Rodolfo Giometti <giometti@linux.it>
61 Description: 61 Description:
62 The /sys/class/pps/ppsX/name f 62 The /sys/class/pps/ppsX/name file reports the name of the
63 X-th source. 63 X-th source.
64 64
65 What: /sys/class/pps/ppsX/path 65 What: /sys/class/pps/ppsX/path
66 Date: February 2008 66 Date: February 2008
67 Contact: Rodolfo Giometti <giometti@linu 67 Contact: Rodolfo Giometti <giometti@linux.it>
68 Description: 68 Description:
69 The /sys/class/pps/ppsX/path f 69 The /sys/class/pps/ppsX/path file reports the path name of
70 the device connected with the 70 the device connected with the X-th source.
71 71
72 If the source is not connected 72 If the source is not connected with any device the content
73 of this file is empty. 73 of this file is empty.
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