From 4b73b48f60ea9274f4a862551a242022f00908dc Mon Sep 17 00:00:00 2001
From: George Oikonomou <g.oikonomou@bristol.ac.uk>
Date: Wed, 20 Jun 2012 11:23:52 +0100
Subject: [PATCH] Fixed the cc2530 RSSI adjustment

---
 cpu/cc253x/dev/cc2530-rf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cpu/cc253x/dev/cc2530-rf.c b/cpu/cc253x/dev/cc2530-rf.c
index f33d3ce37..dff05e2d4 100644
--- a/cpu/cc253x/dev/cc2530-rf.c
+++ b/cpu/cc253x/dev/cc2530-rf.c
@@ -90,6 +90,8 @@
 /* Bit Masks for the last byte in the RX FIFO */
 #define CRC_BIT_MASK 0x80
 #define LQI_BIT_MASK 0x7F
+/* RSSI Offset */
+#define RSSI_OFFSET    73
 
 /* 192 ms, radio off -> on interval */
 #define ONOFF_TIME                    RTIMER_ARCH_SECOND / 3125
@@ -385,7 +387,7 @@ read(void *buf, unsigned short bufsize)
   PUTSTRING("\n");
 
   /* Read the RSSI and CRC/Corr bytes */
-  rssi = ((int8_t) RFD) - 45;
+  rssi = ((int8_t) RFD) - RSSI_OFFSET;
   crc_corr = RFD;
 
 #if CC2530_RF_CONF_HEXDUMP