From 13c476e5b3d23bf59f5b12360bfe452041767d22 Mon Sep 17 00:00:00 2001
From: prenticedavid <david.prentice@farming.co.uk>
Date: Thu, 29 Sep 2016 16:28:05 +0100
Subject: [PATCH] restrict pinMode() to the TFT pins

---
 mcufriend_shield.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mcufriend_shield.h b/mcufriend_shield.h
index da3b3f6..935d7a6 100644
--- a/mcufriend_shield.h
+++ b/mcufriend_shield.h
@@ -310,7 +310,9 @@ void write_8(uint8_t x)
 #define RD_STROBE RD_IDLE, RD_ACTIVE, RD_ACTIVE, RD_ACTIVE      //PWLR=TRDL=150ns, tDDR=100ns
 
 #if defined(TEENSYDUINO)
-#define CTL_INIT()   { for (int i = 2; i <= A4; i++) pinMode(i, OUTPUT); \
+#define CTL_INIT()   { \
+                       for (int i = 2; i <= 9; i++) pinMode(i, OUTPUT); \
+                       for (int i = A0; i <= A4; i++) pinMode(i, OUTPUT); \
                        RD_OUTPUT; WR_OUTPUT; CD_OUTPUT; CS_OUTPUT; RESET_OUTPUT; }
 #else
 #define CTL_INIT()   { RD_OUTPUT; WR_OUTPUT; CD_OUTPUT; CS_OUTPUT; RESET_OUTPUT; }