From: smckown <smckown@4bc1554a-c7f2-4f65-a403-e0be01f0239c>
Date: Tue, 16 Sep 2008 14:25:18 +0000 (+0000)
Subject: Don't leave the iopin attached to the sht1x SCK pin floating when the
X-Git-Tag: release/2.1.0-1~36
X-Git-Url: https://oss.titaniummirror.com/gitweb/?p=tinyos-2.x.git;a=commitdiff_plain;h=de1f4d3e971a6d7c6cb79ac9ffce01822f48f0f2

Don't leave the iopin attached to the sht1x SCK pin floating when the
controlling Resource is released.  Also, set the DATA pin in a manner
consistent with the fact that it is a pulled-up line by default, either
via an external resistor or one internal to the uC.
---

diff --git a/tos/platforms/tmirws/chips/sht11/HplSensirionSht11P.nc b/tos/platforms/tmirws/chips/sht11/HplSensirionSht11P.nc
index 45b30ec9..777891f3 100644
--- a/tos/platforms/tmirws/chips/sht11/HplSensirionSht11P.nc
+++ b/tos/platforms/tmirws/chips/sht11/HplSensirionSht11P.nc
@@ -61,17 +61,10 @@ implementation {
   }
 
   command error_t SplitControl.stop() {
-#if 0
-    call SCK.makeInput();
+    call SCK.makeOutput();
     call SCK.clr();
     call DATA.makeInput();
-    call DATA.clr();
-#else
-    call DATA.makeOutput();
-    call SCK.clr();	/* remains an output so no floating pin */
-    call DATA.makeOutput();
-    call DATA.set();	/* set as pulled-up output so we see no interrupts */
-#endif
+    call DATA.set();
     call PWR.clr();
     post stopTask();
     return SUCCESS;