‫/**************************************************************** ‫
‫ ‫
‫ Arduino Pin APDS-9930 Board Function ‫
‫ ‫
‫ 3.3V VCC Power ‫
‫ GND GND Ground ‫
‫ A4 SDA I2C Data ‫
‫ A5 SCL I2C Clock ‫
‫****************************************************************/ ‫
‫ ‫
‫#define DUMP_REGS ‫
‫ ‫
‫#include ‫
‫#include ‫
‫ ‫
‫// Global Variables ‫
‫APDS9930 apds = APDS9930(); ‫
‫float ambient_light = 0; // can also be an unsigned long ‫
‫uint16_t ch0 = 0; ‫
‫uint16_t ch1 = 1; ‫
‫ ‫
‫void setup() ‫
‫{ ‫
‫ ‫
‫ // Initialize Serial port ‫
‫ Serial.begin(9600); ‫
‫ Serial.println(); ‫
‫ ‫
‫ // Initialize APDS-9930 (configure I2C and initial values) ‫
‫ if ( apds.init() ) ‫
‫ { ‫
‫ Serial.println(F("APDS-9930 initialization complete")); ‫
‫ } ‫
‫ else ‫
‫ { ‫
‫ Serial.println(F("Something went wrong during APDS-9930 init!")); ‫
‫ } ‫
‫ ‫
‫ // Start running the APDS-9930 light sensor (no interrupts) ‫
‫ if ( apds.enableLightSensor(false) ) ‫
‫ { ‫
‫ Serial.println(F("Light sensor is now running")); ‫
‫ } ‫
‫ else ‫
‫ { ‫
‫ Serial.println(F("Something went wrong during light sensor init!")); ‫
‫ } ‫
‫ ‫
‫ // Wait for initialization and calibration to finish ‫
‫ delay(500); ‫
‫} ‫
‫ ‫
‫ ‫
‫void loop() ‫
‫{ ‫
‫ ‫
‫ // Read the light levels (ambient, red, green, blue) ‫
‫ if ( !apds.readAmbientLightLux(ambient_light) || ‫
‫ !apds.readCh0Light(ch0) || ‫
‫ !apds.readCh1Light(ch1) ) { ‫
‫ Serial.println(F("Error reading light values")); ‫
‫ } ‫
‫ else ‫
‫ { ‫
‫ Serial.print(F("Ambient: ")); ‫
‫ Serial.print(ambient_light); ‫
‫ Serial.print(F(" Ch0: ")); ‫
‫ Serial.print(ch0); ‫
‫ Serial.print(F(" Ch1: ")); ‫
‫ Serial.println(ch1); ‫
‫ } ‫
‫ ‫
‫ // Wait 1 second before next reading ‫
‫ delay(1000); ‫
‫}