From 98fe39c335fd66621fcaa3007feba3029595c0e4 Mon Sep 17 00:00:00 2001
From: Michael Schloh von Bennewitz <michael+git@schloh.com>
Date: Sun, 28 Feb 2021 19:10:50 +0100
Subject: [PATCH] Annotate EEPROM flashing procedure with optional erase
 operation first.

---
 testplan/programrom.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/testplan/programrom.txt b/testplan/programrom.txt
index a7803ca..8829a89 100644
--- a/testplan/programrom.txt
+++ b/testplan/programrom.txt
@@ -3,6 +3,12 @@
 $ dtc -I dts -O dtb -o programrst.dtb programrst.dts
 $ ./eepmake programdat.txt programdat.eep programrst.dtb
 # now short J7 with a paperclip
-$ sudo ./eepflash.sh -w -t=24c32 -f=programdat.eep
+#
+# optionally erase EEPROM first
+$ dd if=/dev/zero ibs=1k count=4 of=blank.eep
+$ hexdump blank.eep
+# ./eepflash.sh -w -t=24c32 -f=blank.eep
+#
+# ./eepflash.sh -w -t=24c32 -f=programdat.eep
 # to clean binaries, rm programdat.eep programrst.dtb
 # to test reboot, blue button, and sendcommrst.sh