74 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			Text
		
	
	
	
	
	
		
		
			
		
	
	
			74 lines
		
	
	
	
		
			2.1 KiB
			
		
	
	
	
		
			Text
		
	
	
	
	
	
| 
								 | 
							
								What:		/sys/class/pps/
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ directory will contain files and
							 | 
						||
| 
								 | 
							
										directories that will provide a unified interface to
							 | 
						||
| 
								 | 
							
										the PPS sources.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/ directory is related to X-th
							 | 
						||
| 
								 | 
							
										PPS source into the system. Each directory will
							 | 
						||
| 
								 | 
							
										contain files to manage and control its PPS source.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/assert
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/assert file reports the assert events
							 | 
						||
| 
								 | 
							
										and the assert sequence number of the X-th source in the form:
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											<secs>.<nsec>#<sequence>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										If the source has no assert events the content of this file
							 | 
						||
| 
								 | 
							
										is empty.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/clear
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/clear file reports the clear events
							 | 
						||
| 
								 | 
							
										and the clear sequence number of the X-th source in the form:
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
											<secs>.<nsec>#<sequence>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										If the source has no clear events the content of this file
							 | 
						||
| 
								 | 
							
										is empty.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/mode
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/mode file reports the functioning
							 | 
						||
| 
								 | 
							
										mode of the X-th source in hexadecimal encoding.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										Please, refer to linux/include/linux/pps.h for further
							 | 
						||
| 
								 | 
							
										info.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/echo
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/echo file reports if the X-th does
							 | 
						||
| 
								 | 
							
										or does not support an "echo" function.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/name
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/name file reports the name of the
							 | 
						||
| 
								 | 
							
										X-th source.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								What:		/sys/class/pps/ppsX/path
							 | 
						||
| 
								 | 
							
								Date:		February 2008
							 | 
						||
| 
								 | 
							
								Contact:	Rodolfo Giometti <giometti@linux.it>
							 | 
						||
| 
								 | 
							
								Description:
							 | 
						||
| 
								 | 
							
										The /sys/class/pps/ppsX/path file reports the path name of
							 | 
						||
| 
								 | 
							
										the device connected with the X-th source.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										If the source is not connected with any device the content
							 | 
						||
| 
								 | 
							
										of this file is empty.
							 |