Team Device Cloud / DS1721

Library for the DS1721, 2-Wire Digital Thermometer and Thermostat from Dallas Semiconductor (Maxim Integrated)

Fork of DS1721 by Cameron Haegle

Files at this revision

API Documentation at this revision

Revision 3:38d2fcae2f7c, committed 2014-04-29

Comitter:
chaegle
Date:
Tue Apr 29 23:54:46 2014 +0000
Parent:
2:22dbeccb82be
Commit message:
Modified class constructor so as to specify an I2C bus speed of 400KHz. Not doing so prohibits this library from working properly on the FRDM-K64F platform.

Changed in this revision

DS1721.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 22dbeccb82be -r 38d2fcae2f7c DS1721.cpp
--- a/DS1721.cpp	Tue Jul 30 20:23:07 2013 +0000
+++ b/DS1721.cpp	Tue Apr 29 23:54:46 2014 +0000
@@ -41,17 +41,19 @@
 
 DS1721::DS1721(I2C &i2c, int addr) : m_i2c(i2c) , m_addr(addr)
 {    
-     _resolution    = RES_9_BIT;
-     _polarity      = POLARITY_ACTIVE_HIGH;
-     _mode          = CONV_FOREVER;
-     _num_read = 1;
+    m_i2c.frequency(400000);
+    _resolution    = RES_9_BIT;
+    _polarity      = POLARITY_ACTIVE_HIGH;
+    _mode          = CONV_FOREVER;
+    _num_read = 1;
      
-     //setConfig(_resolution | _polarity | _mode);
+    //setConfig(_resolution | _polarity | _mode);
 }
 
 DS1721::DS1721(I2C &i2c, int resolution, int polarity, int mode, int addr) 
         : m_i2c(i2c) , _resolution(resolution) , _polarity(polarity) , _mode(mode) , m_addr(addr)
-{    
+{ 
+    m_i2c.frequency(400000);   
     _num_read = 1;     
     //setConfig(_resolution | _polarity | _mode);
 }