Added raw data oneshot measurement for energy efficient measurements.

Author: Austin Rhodes

Adafruit_TCS34725.cpp

@@ -280,6 +280,21 @@ void Adafruit_TCS34725::getRawData (uint16_t *r, uint16_t *g, uint16_t *b, uint1
   }
 }
 
+/**************************************************************************/
+/*!
+    @brief  Reads the raw red, green, blue and clear channel values in
+    one-shot mode (e.g., wakes from sleep, takes measurement, enters sleep)
+*/
+/**************************************************************************/
+void Adafruit_TCS34725::getRawDataOneShot (uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *c)
+{
+  if (!_tcs34725Initialised) begin();
+
+  enable();
+  getRawData(r, g, b ,c);
+  disable();
+}
+
 /**************************************************************************/
 /*!
     @brief  Converts the raw R/G/B values to color temperature in degrees

Adafruit_TCS34725.h

@@ -123,6 +123,7 @@ class Adafruit_TCS34725 {
   void     setIntegrationTime(tcs34725IntegrationTime_t it);
   void     setGain(tcs34725Gain_t gain);
   void     getRawData(uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *c);
+  void     getRawDataOneShot(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);