Manuel Caballero / PCF8591

8-bit A/D and D/A converter

Diff: PCF8591.cpp

Revision:
4:bdcb2b5c8cee
Parent:
3:8d2e4b9015a8
--- a/PCF8591.cpp	Sun Sep 24 20:00:55 2017 +0000
+++ b/PCF8591.cpp	Mon Sep 25 10:57:07 2017 +0000
@@ -418,12 +418,10 @@
 
 
 
-    // Update Control Byte
-    aux = i2c.write ( PCF8591_Addr, &cmd[0], 1 );
+    // Update Control Byte and the DAC output
+    cmd[ 1 ]     =   myNewDACValue;
+    aux = i2c.write ( PCF8591_Addr, &cmd[0], 2 );
 
-    // Update DAC output
-    cmd[ 1 ]     =   myNewDACValue;
-    aux = i2c.write ( PCF8591_Addr, &cmd[1], 1 );