Cleaned up code, comments for SHT10 module to sync with blog post

ModuleHumTempSensor/ModuleHumTempSensor.ino

@@ -1,3 +1,8 @@
+/**
+ * Humidity - Temperature sensor module
+ * Cyrille Medard de Chardon, Christophe Trefois
+ */
+
 #include "SHT1x.h"
 #define dataPin 7
 #define sckPin 8 //serial clock
@@ -7,11 +12,10 @@
 // Steady accuracy between 10-80
 // example at 10/90 +/- 6%, 0/100 +/- 7.5%
 
-// Temp accuracy +/- .5 degrees celcius
-// Temp error increases more as we get farther from 25 celc.
+// Temp accuracy +/- .5 degrees celsius
+// Temp error increases more as we get farther from 25 cels.
 // example: @ 0/50 degrees, +/- 1.2 degrees
 
-
 SHT1x th_sensor(dataPin, sckPin);
 
 void setup()
@@ -27,6 +31,8 @@ void loop()
 
   // Read values from the sensor
   humid = th_sensor.readHumidity();
+  // Since the humidity reading requires the temperature we simply
+  // retrieve the reading capture from the readHumidity() call. See the lib.
   temp_c = th_sensor.retrieveTemperatureC();
 
   // Print data

ModuleHumTempSensor/README.markdown

@@ -39,7 +39,7 @@ Example:
 
 ### retrieveTemperatureC() ###
 
-Returns a float of the temperature in celcius that was measured during the humidity measurement. This prevents needing two calls to the temperature sensor. Call the humidyt function readHumidity() then retrieveTemperatureC().
+Returns a float of the temperature in celcius that was measured during the humidity measurement. This prevents needing two calls to the temperature sensor. Call the humidty function readHumidity() then retrieveTemperatureC().
 
 ### readHumidity() ###
 

ModuleHumTempSensor/SHT1x.cpp

@@ -1,7 +1,7 @@
 /**
  * SHT1x Library
  *
- * Modified by Cyrille Medard de Chardon for 3V3 Arduino Fio
+ * Modified by Cyrille Medard de Chardon, Christophe Terfois for 3V3 Arduino Fio
  *
  * Copyright 2009 Jonathan Oxer <jon@oxer.com.au> / <www.practicalarduino.com>
  * Based on previous work by:
@@ -76,6 +76,7 @@ float SHT1x::readHumidity()
 //  const float C1 = -4.0;       // for 12 Bit
 //  const float C2 =  0.0405;    // for 12 Bit
 //  const float C3 = -0.0000028; // for 12 Bit
+  // Fio coefficients for SHT1x with 3.3V
   const float C1 = -2.0468;	// for 12 bit
   const float C2 = 0.0367;	// for 12 bit
   const float C3 = -0.0000015955;// for 12 bit, see Table 6 in SHT1x V5 datasheet
@@ -210,7 +211,7 @@ int SHT1x::getData16SHT(int _dataPin, int _clockPin)
   pinMode(_dataPin, INPUT);
   pinMode(_clockPin, OUTPUT);
   val = shiftIn(_dataPin, _clockPin, 8);
-  // ~25 degrees celcius == 25
+  // ~25 degrees celsius == 25
   val <<= 8;  //shift 8 bits left
   // ~25 degrees celsius == 6400
 

ModuleHumTempSensor/SHT1x.h

@@ -1,6 +1,8 @@
 /**
  * SHT1x Library
  *
+ * Modified by Cyrille Medard de Chardon, Christophe Terfois for 3V3 Arduino Fio
+ *
  * Copyright 2009 Jonathan Oxer <jon@oxer.com.au> / <www.practicalarduino.com>
  * Based on previous work by:
  *    Maurice Ribble: <www.glacialwanderer.com/hobbyrobotics/?p=5>