From 765caa49c53756d292b8f2aba3bdb72f76100ac9 Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmx.net>
Date: Mon, 14 Dec 2009 09:53:20 +0100
Subject: [PATCH] added further exit function, so the board restarts after
 reset

---
 pkernel/kernel.py | 15 +++++----------
 pkernel/main.c    |  8 +++++---
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/pkernel/kernel.py b/pkernel/kernel.py
index e495a86..8bf955b 100755
--- a/pkernel/kernel.py
+++ b/pkernel/kernel.py
@@ -56,18 +56,10 @@ def pkernWRITE(address, size, data):
 	sendDWord(address)
 	sendWord(size)
 
-	if (recvByte() != 0x04):
-		raise Exception
-	print "Received Metadata."
-
 	# write binary stream of data
 	for i in range(0, size):
 		sendByte(data[i])
 
-	if (recvByte() != 0x08):
-		raise Exception
-	print "Received Data."
-
 	if (recvByte() != 0x28):
 		raise Exception
 	print "Flashing done."
@@ -144,6 +136,9 @@ for seq in flashseqs:
 	print "Flashing", len(seq.data), "bytes at address", hex(seq.address)
 	pkernWRITE(seq.address, len(seq.data), seq.data)
 
-sendByte(0x99);
-
+"""
+sendByte(0x99) #exit and wait
 print "Reset your board now to run code from Flash"
+"""
+
+sendByte(0x97) #exit and restart
diff --git a/pkernel/main.c b/pkernel/main.c
index c40924f..8852877 100644
--- a/pkernel/main.c
+++ b/pkernel/main.c
@@ -7,7 +7,6 @@
 static void increaseled(void)
 {
 	PDR14 = ~(((~PDR14)+1)%256);
-	HWWD_CL = 0;
 }
 
 static unsigned char recvbyte(void)
@@ -106,13 +105,11 @@ void main(void)
 				size = recvword();
 				increaseled();
 
-				Putch4(0x04); //Received Metadata.
 				PDR14 = 0xff;
 				for(i=0; i<size; i++) { /* get data */
 					increaseled();
 					data[i] = recvbyte();
 				}
-				Putch4(0x08); //Received Data.
 
 				PDR14 = 0xff;
 				for(i=0; i<size; i+=2) { /* flash the data */
@@ -125,6 +122,11 @@ void main(void)
 				Putch4(0x28); //Flashing done.
 				break;
 
+			case 0x97: /* exit and restart (let do this by the watchdog!) */
+				while(1) {
+					increaseled();
+				}
+
 			case 0x99: /* exit */
 				running = 0;
 				break;
-- 
2.25.1