Create Adafruit_VCN4000.h

Feather_Holiday_Lights/Feather_32u4_Lights/Adafruit_VCN4000.h

@@ -0,0 +1,44 @@
+// VCNL4000 code adapted from:
+//   https://github.com/adafruit/VCNL4000
+#ifndef ADAFRUIT_VCNL4000_H
+#define ADAFRUIT_VCNL4000_H
+
+// the i2c address
+#define VCNL4000_ADDRESS 0x13
+
+// commands and constants
+#define VCNL4000_COMMAND 0x80
+#define VCNL4000_PRODUCTID 0x81
+#define VCNL4000_IRLED 0x83
+#define VCNL4000_AMBIENTPARAMETER 0x84
+#define VCNL4000_AMBIENTDATA 0x85
+#define VCNL4000_PROXIMITYDATA 0x87
+#define VCNL4000_SIGNALFREQ 0x89
+#define VCNL4000_PROXINITYADJUST 0x8A
+
+#define VCNL4000_3M125 0
+#define VCNL4000_1M5625 1
+#define VCNL4000_781K25 2
+#define VCNL4000_390K625 3
+
+#define VCNL4000_MEASUREAMBIENT 0x10
+#define VCNL4000_MEASUREPROXIMITY 0x08
+#define VCNL4000_AMBIENTREADY 0x40
+#define VCNL4000_PROXIMITYREADY 0x20
+
+
+class Adafruit_VCNL4000 {
+public:
+  Adafruit_VCNL4000() {}
+
+  bool begin();
+  uint16_t readProximity();
+  
+private:
+  uint8_t read8(uint8_t address);
+  uint16_t read16(uint8_t address);
+  void write8(uint8_t address, uint8_t data);
+  
+};
+
+#endif