Update man page with help2man

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>

diff --git a/doc/hvrtc.man b/doc/hvrtc.man
index bfa3e923e4e69a9093879f93c148dec43f30a5dd..38b50d8a4350bc78e52221082c9fd26c9ff4c7b1 100644 (file)
--- a/doc/hvrtc.man
+++ b/doc/hvrtc.man
@@ -1,30 +1,61 @@
-.TH HVRTC 1 "December 2020" "hvrtc" "User's Manual"
-
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH HVRTC "1" "April 2026" "hvrtc 2.0.0" "User Commands"
 .SH NAME
-hvrtc \- tool to configure/query RTC devices.
-
+hvrtc \- manual page for hvrtc 2.0.0
 .SH SYNOPSIS
 .B hvrtc
-[\fIOPTION\fR]... [\fIFILENAME\fR]
-
+[\fI\,OPTION\/\fR...]
 .SH DESCRIPTION
-\fBhvrtc\fR is a ... [TODO].
-
-.SH "OPTIONS"
-
-.TP
-\fB\-h\fR
-display usage and exit
-.TP
-\fB\-version\fR
-output version information and exit
-
-.SH CREDITS
-\fBhvrtc\fR was originally written by Hugo Villeneuve <hugo@hugovil.com>, based on
+hvrtc \fB\-\-\fR RTC configuration/query tool
+.TP
+\fB\-b\fR, \fB\-\-bsm\fR[=\fI\,value\/\fR]
+Get/Set Backup Switch Mode (BSM):
+.IP
+disabled RTC_BSM_DISABLED
+direct   RTC_BSM_DIRECT
+level    RTC_BSM_LEVEL
+standby  RTC_BSM_STANDBY
+.TP
+\fB\-c\fR, \fB\-\-clear\fR
+Clear "voltage low" event
+.TP
+\fB\-d\fR, \fB\-\-dev\fR=\fI\,path\/\fR
+RTC device path (optional)
+.TP
+\fB\-t\fR, \fB\-\-time\fR
+Get RTC time
+.TP
+\fB\-v\fR, \fB\-\-voltage\-level\fR
+Get battery backup voltage level
+.TP
+\fB\-x\fR, \fB\-\-test\fR
+Test RTC
+.TP
+\-?, \fB\-\-help\fR
+Give this help list
+.TP
+\fB\-\-usage\fR
+Give a short usage message
+.TP
+\fB\-V\fR, \fB\-\-version\fR
+Print program version
+.PP
+Mandatory or optional arguments to long options are also mandatory or optional
+for any corresponding short options.
+.SH AUTHOR
+Written by Hugo Villeneuve <hugo@hugovil.com>, based on
 "Real Time Clock Driver Test/Example Program" by Paul Gortmaker.
-
-.SH COPYRIGHT
-\fBhvrtc\fR is free; anyone may redistribute it to anyone under the terms
-stated in the GNU General Public License. A copy of the license is included in
-the \fBhvrtc\fR distribution. You can also browse it online at
-.I http://www.gnu.org/copyleft/gpl.html
+.SH "REPORTING BUGS"
+Report bugs to hugo@hugovil.com.
+.SH "SEE ALSO"
+The full documentation for
+.B hvrtc
+is maintained as a Texinfo manual.  If the
+.B info
+and
+.B hvrtc
+programs are properly installed at your site, the command
+.IP
+.B info hvrtc
+.PP
+should give you access to the complete manual.