From bc39f2a86c591a82b0b2c93c6e19977e105b73f9 Mon Sep 17 00:00:00 2001
From: joxe <joxe>
Date: Wed, 29 Oct 2008 09:22:39 +0000
Subject: [PATCH] added get_rssi_packet for getting RSSI from the last packet
 received

---
 platform/msb430/dev/cc1020.c | 14 ++++++++++++--
 platform/msb430/dev/cc1020.h |  1 +
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/platform/msb430/dev/cc1020.c b/platform/msb430/dev/cc1020.c
index 675e0a7a5..00889652a 100644
--- a/platform/msb430/dev/cc1020.c
+++ b/platform/msb430/dev/cc1020.c
@@ -347,10 +347,17 @@ cc1020_off(void)
 uint8_t
 cc1020_get_rssi(void)
 {
-  rssi = cc1020_read_reg(CC1020_RSS);
+  return cc1020_read_reg(CC1020_RSS);
+}
+
+uint8_t
+cc1020_get_packet_rssi(void)
+{
   return rssi;
 }
 
+
+
 int
 cc1020_carrier_sense(void)
 {
@@ -423,7 +430,10 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
     } else {
       return;
     }
-    // Update RSSI.
+    /*      Update RSSI.
+	    TODO: add sampling/averaging of several RSSI to get
+	    more reliable RSSI values
+     */
     rssi = cc1020_read_reg(CC1020_RSS);
     CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_RECEIVING);
   } else if (cc1020_state & CC1020_RX_RECEIVING) {
diff --git a/platform/msb430/dev/cc1020.h b/platform/msb430/dev/cc1020.h
index 2972e65cf..b7b811f68 100644
--- a/platform/msb430/dev/cc1020.h
+++ b/platform/msb430/dev/cc1020.h
@@ -60,6 +60,7 @@ void cc1020_set_tx(void);
 void cc1020_set_power(uint8_t pa_power);
 int cc1020_carrier_sense(void);
 uint8_t cc1020_get_rssi(void);
+uint8_t cc1020_get_packet_rssi(void);
 int cc1020_sending(void);
 
 int cc1020_send(const void *buf, unsigned short size);