From 8efdbba5c5fa004cf64617f50d6eed4dc4f5556b Mon Sep 17 00:00:00 2001
From: Adam Dunkels <adam@thingsquare.com>
Date: Thu, 29 Aug 2013 20:17:01 +0200
Subject: [PATCH] Bugfix: only send i2c acks if i2c mode is enabled

---
 se/sics/mspsim/core/GenericUSCI.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/se/sics/mspsim/core/GenericUSCI.java b/se/sics/mspsim/core/GenericUSCI.java
index 50f4ec1..017f9cd 100644
--- a/se/sics/mspsim/core/GenericUSCI.java
+++ b/se/sics/mspsim/core/GenericUSCI.java
@@ -373,7 +373,7 @@ public class GenericUSCI extends IOUnit implements DMATrigger, USARTSource {
             
             /* For timing issues we have to send the ACK after reading the
              * register */
-            if (!i2cTransmitter) {
+            if (i2cEnabled && !i2cTransmitter) {
         		txBuffer.add(I2CData.ACK);
         		stat |= USCI_BUSY;
                 if (!transmitting) {