picoproj: issue a warning when passing "-f" more than once

[libam7xxx.git] / doc / man / picoproj.1.txt

diff --git a/doc/man/picoproj.1.txt b/doc/man/picoproj.1.txt
index e26df26..ce56f0e 100644 (file)
--- a/doc/man/picoproj.1.txt
+++ b/doc/man/picoproj.1.txt
@@ -15,7 +15,9 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-picoproj(1) is a minimal example to show how to use libam7xxx to display a static image.
+picoproj(1) is a minimal example to show how to use libam7xxx to display
+a static image; it will not perform any image rescaling or conversion, images
+larger than the device native resolution can be wrongly displayed.
 
 
 OPTIONS
@@ -35,6 +37,11 @@ OPTIONS
 *-l* '<log level>'::
     the verbosity level of libam7xxx output (0-5)
 
+*-p* '<power level>'::
+    power level of device, between 0 (off) and 4 (maximum) +
+    WARNING: Level 2 and greater require the master AND
+             the slave connector to be plugged in.
+
 *-W* '<image width>'::
     the width of the image to upload