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-rw-r--r--nuttx/drivers/README.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/drivers/README.txt b/nuttx/drivers/README.txt
index 8ec893995..e4482c01d 100644
--- a/nuttx/drivers/README.txt
+++ b/nuttx/drivers/README.txt
@@ -125,6 +125,10 @@ sensors/
of things in envionment like temperatore, orientation, acceleration,
altitude, direction, position, etc.
+ DACs might fit this definition of a sensor driver as well since they
+ measure and convert voltage levels. DACs, however, are retained in
+ the analog/ sub-directory.
+
sercomm/
Sercomm is the transport used by osmocom-bb that runs on top of serial.
See http://bb.osmocom.org/trac/wiki/nuttx-bb/run for detailed the usage