113 lines
2.9 KiB
C++
Executable File
113 lines
2.9 KiB
C++
Executable File
/****************************************************************
|
|
ProximitySensor.ino
|
|
APDS-9930 ambient light and proximity sensor
|
|
Davide Depau
|
|
December 11, 2015
|
|
https://github.com/Davideddu/APDS9930
|
|
|
|
Shawn Hymel @ SparkFun Electronics
|
|
October 28, 2014
|
|
https://github.com/sparkfun/APDS-9960_RGB_and_Gesture_Sensor
|
|
|
|
Tests the proximity sensing abilities of the APDS-9930.
|
|
Configures the APDS-9930 over I2C and polls for the distance to
|
|
the object nearest the sensor.
|
|
|
|
Hardware Connections:
|
|
|
|
IMPORTANT: The APDS-9930 can only accept 3.3V!
|
|
|
|
Arduino Pin APDS-9930 Board Function
|
|
|
|
3.3V VCC Power
|
|
GND GND Ground
|
|
A4 SDA I2C Data
|
|
A5 SCL I2C Clock
|
|
|
|
Resources:
|
|
Include Wire.h and SparkFun_APDS-9930.h
|
|
|
|
Development environment specifics:
|
|
Written in Arduino 1.0.5
|
|
Tested with SparkFun Arduino Pro Mini 3.3V
|
|
|
|
This code is beerware; if you see me (or any other SparkFun
|
|
employee) at the local, and you've found our code helpful, please
|
|
buy us a round!
|
|
|
|
Distributed as-is; no warranty is given.
|
|
****************************************************************/
|
|
|
|
#define DUMP_REGS
|
|
|
|
#include <Wire.h>
|
|
#include <APDS9930.h>
|
|
|
|
// Global Variables
|
|
APDS9930 apds = APDS9930();
|
|
uint16_t proximity_data = 0;
|
|
|
|
void setup() {
|
|
//analogReference(EXTERNAL);
|
|
|
|
// Initialize Serial port
|
|
Serial.begin(9600);
|
|
Serial.println();
|
|
Serial.println(F("---------------------------"));
|
|
Serial.println(F("APDS-9930 - ProximitySensor"));
|
|
Serial.println(F("---------------------------"));
|
|
|
|
// 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!"));
|
|
}
|
|
|
|
// // Adjust the Proximity sensor gain
|
|
// if ( !apds.setProximityGain(PGAIN_2X) ) {
|
|
// Serial.println(F("Something went wrong trying to set PGAIN"));
|
|
// }
|
|
|
|
// Start running the APDS-9930 proximity sensor (no interrupts)
|
|
if ( apds.enableProximitySensor(false) ) {
|
|
Serial.println(F("Proximity sensor is now running"));
|
|
} else {
|
|
Serial.println(F("Something went wrong during sensor init!"));
|
|
}
|
|
|
|
#ifdef DUMP_REGS
|
|
/* Register dump */
|
|
uint8_t reg;
|
|
uint8_t val;
|
|
|
|
for(reg = 0x00; reg <= 0x19; reg++) {
|
|
if( (reg != 0x10) && \
|
|
(reg != 0x11) )
|
|
{
|
|
apds.wireReadDataByte(reg, val);
|
|
Serial.print(reg, HEX);
|
|
Serial.print(": 0x");
|
|
Serial.println(val, HEX);
|
|
}
|
|
}
|
|
apds.wireReadDataByte(0x1E, val);
|
|
Serial.print(0x1E, HEX);
|
|
Serial.print(": 0x");
|
|
Serial.println(val, HEX);
|
|
#endif
|
|
}
|
|
|
|
void loop() {
|
|
|
|
// Read the proximity value
|
|
if ( !apds.readProximity(proximity_data) ) {
|
|
Serial.println("Error reading proximity value");
|
|
} else {
|
|
Serial.print("Proximity: ");
|
|
Serial.println(proximity_data);
|
|
}
|
|
|
|
// Wait 250 ms before next reading
|
|
delay(250);
|
|
} |