Added interrupt handling, readme update

Adafruit_TCS34725.cpp

@@ -299,3 +299,32 @@ uint16_t Adafruit_TCS34725::calculateLux(uint16_t r, uint16_t g, uint16_t b)
 
   return (uint16_t)illuminance;
 }
+
+
+void Adafruit_TCS34725::setInterrupt(boolean i) {
+  uint8_t r = read8(TCS34725_ENABLE);
+  if (i) {
+    r |= TCS34725_ENABLE_AIEN;
+  } else {
+    r &= ~TCS34725_ENABLE_AIEN;
+  }
+  write8(TCS34725_ENABLE, r);
+}
+
+void Adafruit_TCS34725::clearInterrupt(void) {
+  Wire.beginTransmission(TCS34725_ADDRESS);
+  #if ARDUINO >= 100
+  Wire.write(0x66);
+  #else
+  Wire.send(0x66);
+  #endif
+  Wire.endTransmission();
+}
+
+
+void Adafruit_TCS34725::setIntLimits(uint16_t low, uint16_t high) {
+   write8(0x04, low & 0xFF);
+   write8(0x05, low >> 8);
+   write8(0x06, high & 0xFF);
+   write8(0x07, high >> 8);
+}

Adafruit_TCS34725.h

@@ -99,6 +99,7 @@ typedef enum
 {
   TCS34725_INTEGRATIONTIME_2_4MS  = 0xFF,   /**<  2.4ms - 1 cycle    - Max Count: 1024  */
   TCS34725_INTEGRATIONTIME_24MS   = 0xF6,   /**<  24ms  - 10 cycles  - Max Count: 10240 */
+  TCS34725_INTEGRATIONTIME_50MS   = 0xEB,   /**<  50ms  - 20 cycles  - Max Count: 20480 */
   TCS34725_INTEGRATIONTIME_101MS  = 0xD5,   /**<  101ms - 42 cycles  - Max Count: 43008 */
   TCS34725_INTEGRATIONTIME_154MS  = 0xC0,   /**<  154ms - 64 cycles  - Max Count: 65535 */
   TCS34725_INTEGRATIONTIME_700MS  = 0x00    /**<  700ms - 256 cycles - Max Count: 65535 */
@@ -124,16 +125,19 @@ class Adafruit_TCS34725 {
   void     getRawData(uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *c);
   uint16_t calculateColorTemperature(uint16_t r, uint16_t g, uint16_t b);
   uint16_t calculateLux(uint16_t r, uint16_t g, uint16_t b);
+  void     write8 (uint8_t reg, uint32_t value);
+  uint8_t  read8 (uint8_t reg);
+  uint16_t read16 (uint8_t reg);
+  void setInterrupt(boolean flag);
+  void clearInterrupt(void);
+  void setIntLimits(uint16_t l, uint16_t h);
+  void     enable(void);
 
  private:
   boolean _tcs34725Initialised;
   tcs34725Gain_t _tcs34725Gain;
   tcs34725IntegrationTime_t _tcs34725IntegrationTime; 
 
-  void     write8 (uint8_t reg, uint32_t value);
-  uint8_t  read8 (uint8_t reg);
-  uint16_t read16 (uint8_t reg);
-  void     enable(void);
   void     disable(void);
 };
 

README.md

@@ -1,9 +1,21 @@
 #Adafruit TCS34725 Color Sensor Driver #
 
 This driver is for the Adafruit TCS34725 Breakout.
+    ------> http://www.adafruit.com/products/1334
 
 ## About this Driver ##
 
-Adafruit invests time and resources providing this open source code.  Please support Adafruit and open-source hardware by purchasing products from Adafruit!
+These modules use I2C to communicate, 2 pins are required to  
+interface
 
-Written by Kevin (KTOWN) Townsend for Adafruit Industries.
+Adafruit invests time and resources providing this open source code, 
+please support Adafruit and open-source hardware by purchasing 
+products from Adafruit!
+
+Written by Kevin (KTOWN) Townsend for Adafruit Industries.
+BSD license, check license.txt for more information
+All text above must be included in any redistribution
+
+To download. click the ZIP button in the top bar, and check this tutorial
+for instructions on how to install: 
+http://learn.adafruit.com/adafruit-all-about-arduino-libraries-install-use