From: Nathaniel Wesley Filardo <nwf@cs.jhu.edu>
Date: Thu, 21 Sep 2017 05:52:58 +0000 (-0400)
Subject: GPIO block spew to LED array
X-Git-Url: https://hydra-www.ietfng.org/gitweb/?a=commitdiff_plain;h=acceb6c012a4882560dda4d7cbff56e51adae993;p=acmetensortoys-esp-lua_lamp

GPIO block spew to LED array
---

diff --git a/init-early.lua b/init-early.lua
index f540778..ea8e2f8 100644
--- a/init-early.lua
+++ b/init-early.lua
@@ -1,4 +1,9 @@
+-- pin 3 (GPIO0) is AND-gate input while drawing
+gpio.mode(3,gpio.OUTPUT,gpio.FLOAT)
+
 ws2812.init(ws2812.MODE_SINGLE)     -- uses GPIO2
 local fb = ws2812.newBuffer(32,3)
 fb:fill(0,0,0)
+gpio.write(3,gpio.HIGH)
 ws2812.write(fb)
+gpio.write(3,gpio.LOW)
diff --git a/init2.lua b/init2.lua
index 713b69b..6c72ba3 100644
--- a/init2.lua
+++ b/init2.lua
@@ -55,10 +55,11 @@ function dodraw()
       -- to act as a rounding factor.  The image in "ledfb" will be mixed in
       -- as 256/(dimfactor+1) 256ths
       doublefb:mix(255,baselinefb,256/(dimfactor+1),ledfb)
-      ws2812.write(doublefb)
+      gpio.write(3,gpio.HIGH) ws2812.write(doublefb)
     else
-      ws2812.write(ledfb)
+      gpio.write(3,gpio.HIGH) ws2812.write(ledfb)
     end
+    gpio.write(3,gpio.LOW)
   end
 end
 function doremotedraw()
diff --git a/pushall.sh b/pushall.sh
index 87a7b28..6ce18c3 100755
--- a/pushall.sh
+++ b/pushall.sh
@@ -12,6 +12,7 @@ dopushcompile lamp-remote.lua
 dopushcompile telnetd-cap.lua
 #dopushtext    conf/nwfmqtt.conf
 #dopushtext    conf/nwfmqtt.subs
+dopushlua     init-early.lua
 dopushcompile init2.lua
 
 for i in draw-*.lua; do