From 293a357911090a2f37bdd6f7ea96942079ffdf2e Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 17 Apr 2009 10:29:42 -0700
Subject: [PATCH] Add CRC to radio packets

---
 target/radio/init.c | 1 +
 target/radio/recv.c | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/target/radio/init.c b/target/radio/init.c
index 6843ef9a..6349e16d 100644
--- a/target/radio/init.c
+++ b/target/radio/init.c
@@ -159,6 +159,7 @@ static __code uint8_t radio_setup[] = {
 				 PKTCTRL1_ADR_CHK_NONE),
 	RF_PKTCTRL0_OFF,	(RF_PKTCTRL0_WHITE_DATA|
 				 RF_PKTCTRL0_PKT_FORMAT_NORMAL|
+				 RF_PKTCTRL0_CRC_EN|
 				 RF_PKTCTRL0_LENGTH_CONFIG_FIXED),
 	RF_ADDR_OFF,		0x00,
 	RF_MCSM2_OFF,		(RF_MCSM2_RX_TIME_END_OF_PACKET),
diff --git a/target/radio/recv.c b/target/radio/recv.c
index 17a3d178..1f50d8a9 100644
--- a/target/radio/recv.c
+++ b/target/radio/recv.c
@@ -53,8 +53,10 @@ main ()
 				break;
 
 		/* get excited if the packet came through correctly */
-		if (i == PACKET_LEN) {
-			for (i = 0; i < 3; i++){
+		if (i == PACKET_LEN &&
+		    packet[PACKET_LEN+1] & PKT_APPEND_STATUS_1_CRC_OK)
+		{
+			for (i = 0; i < 5; i++){
 				P1 = 2;
 				delay(100);
 				P1 = 0;
-- 
2.30.2