From 39b08cee9389feb748dcf353b459eec1565a573a Mon Sep 17 00:00:00 2001
From: razvanm <razvanm>
Date: Fri, 1 Jan 2010 08:53:40 +0000
Subject: [PATCH] Replace the erase with a write in tos-deluge to avoid the
 erase inconsistencies on AT45DB.

---
 tools/tinyos/misc/tos-deluge | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/tools/tinyos/misc/tos-deluge b/tools/tinyos/misc/tos-deluge
index d9c87463..1277ba5d 100755
--- a/tools/tinyos/misc/tos-deluge
+++ b/tools/tinyos/misc/tos-deluge
@@ -185,9 +185,20 @@ def read(imgNum, offset, length):
     return r
 
 def erase(imgNum):
-    sreqpkt = FMReqPacket((FM_CMD_ERASE, imgNum, 0, 0, []))
+    # Note: the normal erase doesn't work properly on AT45DB. A
+    # workaroud is to overwrite the metadata of the Deluge image.
+    #
+    #sreqpkt = FMReqPacket((FM_CMD_ERASE, imgNum, 0, 0, []))
+    #success = am.write(sreqpkt, FM_AMID)
+    #return handleResponse(success, "ERROR: Unable to erase the flash volume")
+
+    sreqpkt = FMReqPacket((FM_CMD_WRITE, imgNum, 0, 0, []))
+    sreqpkt.data = [0xFF] * DELUGE_IDENT_SIZE
+    sreqpkt.length = DELUGE_IDENT_SIZE
     success = am.write(sreqpkt, FM_AMID)
-    return handleResponse(success, "ERROR: Unable to erase the flash volume")
+    result = handleResponse(success, "ERROR: Unable to erase the flash volume")
+    if not result: return False;
+    return sync(imgNum)
 
 def sync(imgNum):
     sreqpkt = FMReqPacket((FM_CMD_SYNC, imgNum, 0, 0, []))
-- 
2.39.2