From 4df62bd9d7c3b7bbb9a62ab13b78d7f42da99958 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Sat, 3 Nov 2018 16:17:50 -0600
Subject: Split flashing scripts into firmware vs fuses, to help prevent
 accidental bricking. (some people had errors happen during the fuse parts,
 and ended up with bricks)

---
 bin/flash-tiny13-fuses.sh | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100755 bin/flash-tiny13-fuses.sh

(limited to 'bin/flash-tiny13-fuses.sh')

diff --git a/bin/flash-tiny13-fuses.sh b/bin/flash-tiny13-fuses.sh
new file mode 100755
index 0000000..fe479a8
--- /dev/null
+++ b/bin/flash-tiny13-fuses.sh
@@ -0,0 +1,8 @@
+#/bin/sh
+# 4.8 MHz (~4.0 MHz actual), 4ms boot delay, enable flashing
+# (everything else disabled)
+# Use low fuse 0x75 for 4ms startup delay,
+#           or 0x79 for 64ms (useful on a twisty light)
+avrdude -c usbasp -p t13 -u -Ulfuse:w:0x75:m -Uhfuse:w:0xFF:m
+
+# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny13A&P=ATtiny13A&M_LOW_0x0F=0x05&M_LOW_0x80=0x00&M_HIGH_0x06=0x06&B_SPIEN=P&B_SUT1=P&B_CKSEL1=P&V_LOW=75&V_HIGH=FF&O_HEX=Apply+values
-- 
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