From 046f9d86d7c76306ac66fec4fef6b0a39b4aadaa Mon Sep 17 00:00:00 2001
From: Bernhard Tittelbach <xro@realraum.at>
Date: Sat, 25 Aug 2012 17:28:52 +0000
Subject: comments

git-svn-id: https://svn.spreadspace.org/mur.sat@602 7de4ea59-55d0-425e-a1af-a3118ea81d4c
---
 software/hhd70dongle/hhd70.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'software/hhd70dongle/hhd70.h')

diff --git a/software/hhd70dongle/hhd70.h b/software/hhd70dongle/hhd70.h
index a3df36a..4adeb3e 100644
--- a/software/hhd70dongle/hhd70.h
+++ b/software/hhd70dongle/hhd70.h
@@ -39,8 +39,12 @@
 #define CS   DDB0
 #define SCK  DDB1
 #define MOSI DDB2
+// MISO DDB3 is also GDO1 (can be used when CS == 0)
 #define MISO DDB3
+//GDO2 currently used for RX Buffer Filled Interrupt
 #define GDO2 DDB4
+//GDO0 currently only used for c1101 internal temperature sensor
+//GDO0 future use: connect directly to RX/TX Switch (set GDO0_CFG to 0x2F)
 #define GDO0 DDB5
 #define RE   DDB6
 #define TE   DDB7
-- 
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