Updating firmware files, fixing naming issues

Author: Toni Klopfenstein

Libraries/README.md

@@ -19,8 +19,8 @@ Distributed as-is; no warranty is given.
 
 - Your friends at SparkFun.
 
-BUILD INSTRUCTIONS 
+Update Library Instructions:
+----------------------------
+To get the most up-to-date version of the library, you must run the following git subtree commands. 
 
-$git subtree add -P DIRECTORY NAME --squash git repo URL ref
-
-$git subtree pull -P DIRECTORY NAME --squash git repo URL ref
+$git subtree pull -P Libraries/Arduino --squash https://github.com/sparkfun/SparkFun_HTU21D_Breakout_Arduino_Library.git master

firmware/HTU21D_SimpleSketch/HTU21D_SimpleSketch.ino

@@ -0,0 +1,73 @@
+
+/* 
+ HTU21D Simple Sketch demo
+Dave@sparkfun 
+ SparkFun Electronics
+ License: This code is public domain but you buy me a beer if you use this and we meet someday (Beerware license).
+ 
+ Get humidity and temperature from the HTU21D sensor.
+ 
+ Hardware Connections (Breakoutboard to Arduino):
+ -VCC = 3.3V
+ -GND = GND
+ -SDA = A4
+ -SCL = A5
+ 
+ Serial.print it out at 9600 baud to serial monitor.
+ */
+
+#include <Wire.h>
+#include <SparkFunHTU21D.h>
+#include <SoftwareSerial.h>
+
+SoftwareSerial display(3, 2);
+
+//Create an instance of the object
+HTU21D myHumidity;
+
+char humstring[10];
+char tmpstring[10];
+
+float humidity;
+float temperature;
+
+int ihum;
+int itemp;
+
+void setup()
+{
+  Wire.begin();        // Join i2c bus
+  Serial.begin(9600);  // Start serial for output
+
+  myHumidity.begin(); // Get sensor online
+
+  display.begin(9600);
+  Serial.begin(9600);
+  delay(500);
+
+  display.write(254); // move cursor to beginning of first line
+  display.write(128);
+
+  display.write("                "); // clear display
+  display.write("                ");
+}
+
+void loop()
+{
+  humidity = myHumidity.readHumidity();
+  ihum = humidity;
+  sprintf(humstring, "%2d", ihum);
+
+  Serial.print("Humidity: ");
+  Serial.println(humstring);
+  Serial.print("%");
+
+  display.write("Humidity: ");
+  display.write(humstring);
+
+  display.write(254); // move cursor to beginning of first line
+  display.write(128);
+
+  delay(250);
+}
+

firmware/README.md

@@ -0,0 +1,7 @@
+SparkFun HTU21D Firmware
+===================================
+
+* **HTU21D_SimpleSketch** - Arduino simple sketch example. See video [here](https://youtu.be/HfNsybUKU6U). 
+* **SparkFun_HTU21D_Example** - Arduino example sketch for getting started. No library required. 
+
+

firmware/HTU21D_Arduino_Example/HTU21D_Arduino_Example.ino renamed to firmware/SparkFun_HTU21D_Example/SparkFun_HTU21D_Example.ino

@@ -18,7 +18,7 @@
  */
 
 #include <Wire.h>
-#include "HTU21D.h"
+#include "SparkFunHTU21D.h"
 
 //Create an instance of the object
 HTU21D myHumidity;