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I2C scanning code - confirmed to work on Mainboard
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@JamieLaing
JamieLaing committed Aug 31, 2017
1 parent a7bf674 commit a68f046
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Showing 6 changed files with 144 additions and 34 deletions.
156 changes: 133 additions & 23 deletions CRC_VCNL4200/CRC_VCNL4200.ino
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Author: jlaing
*/

#include "CRC_VCNL_4200.h"

CRC_VCNL4200 v4200;
int ledPin = 13;
int sdaPin = 20;
#include <Wire.h>
int reading = 0;

void setup() {
Serial.begin(9600);
Serial.println("Booting VCNL 4200 test");
pinMode(ledPin, OUTPUT);
pinMode(sdaPin, OUTPUT);
while (!Serial);
Serial.println("Booting test.");
Wire.begin(); // join i2c bus (address optional for master)
// start serial communication at 9600bps
}



void loop() {
byte error, address;
int nDevices;

Serial.println(F("Scanning..."));

nDevices = 0;
for (address = 1; address < 127; address++) {
// The i2c_scanner uses the return value of
// the Write.endTransmisstion to see if
// a device did acknowledge to the address.
Wire.beginTransmission(address);
error = Wire.endTransmission();

if (!v4200.begin()) {
Serial.println("Sensor not found :(");
while (1);
if (error == 0) {
Serial.print(F("Device found at address 0x"));
if (address < 16) {
Serial.print("0");
}
Serial.print(address, HEX);
Serial.print(" (");
printKnownChips(address);
Serial.println(")");

nDevices++;
}
else if (error == 4) {
Serial.print(F("Unknown error at address 0x"));
if (address < 16) {
Serial.print("0");
}
Serial.println(address, HEX);
}
}
if (nDevices == 0) {
Serial.println(F("No I2C devices found\n"));
}
Serial.println("Found VCNL 4200");
else {
Serial.println(F("done\n"));
}
delay(5000); // wait 5 seconds for next scan
}

void loop() {
Serial.print("Ambient: ");
Serial.println(v4200.readAmbient());
Serial.print("Proximity: ");
Serial.println(v4200.readProximity());
digitalWrite(ledPin, HIGH);
digitalWrite(sdaPin, HIGH);
delay(2000); // waits for a second
digitalWrite(ledPin, LOW); // sets the LED off
digitalWrite(sdaPin, LOW);
delay(2000);

void printKnownChips(byte address)
{
// Is this list missing part numbers for chips you use?
// Please suggest additions here:
// https://github.com/PaulStoffregen/Wire/issues/new
switch (address) {
case 0x00: Serial.print(F("AS3935")); break;
case 0x01: Serial.print(F("AS3935")); break;
case 0x02: Serial.print(F("AS3935")); break;
case 0x03: Serial.print(F("AS3935")); break;
case 0x0A: Serial.print(F("SGTL5000")); break; // MCLK required
case 0x0B: Serial.print(F("SMBusBattery?")); break;
case 0x0C: Serial.print(F("AK8963")); break;
case 0x10: Serial.print(F("CS4272")); break;
case 0x11: Serial.print(F("Si4713")); break;
case 0x13: Serial.print(F("VCNL4000,AK4558")); break;
case 0x18: Serial.print(F("LIS331DLH")); break;
case 0x19: Serial.print(F("LSM303,LIS331DLH")); break;
case 0x1A: Serial.print(F("WM8731")); break;
case 0x1C: Serial.print(F("LIS3MDL")); break;
case 0x1D: Serial.print(F("LSM303D,LSM9DS0,ADXL345,MMA7455L,LSM9DS1,LIS3DSH")); break;
case 0x1E: Serial.print(F("LSM303D,HMC5883L,FXOS8700,LIS3DSH")); break;
case 0x20: Serial.print(F("MCP23017,MCP23008,PCF8574,FXAS21002,SoilMoisture")); break;
case 0x21: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x22: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x23: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x24: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x25: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x26: Serial.print(F("MCP23017,MCP23008,PCF8574")); break;
case 0x27: Serial.print(F("MCP23017,MCP23008,PCF8574,LCD16x2,DigoleDisplay")); break;
case 0x28: Serial.print(F("BNO055,EM7180,CAP1188")); break;
case 0x29: Serial.print(F("TSL2561,VL6180,TSL2561,TSL2591,BNO055,CAP1188")); break;
case 0x2A: Serial.print(F("SGTL5000,CAP1188")); break;
case 0x2B: Serial.print(F("CAP1188")); break;
case 0x2C: Serial.print(F("MCP44XX ePot")); break;
case 0x2D: Serial.print(F("MCP44XX ePot")); break;
case 0x2E: Serial.print(F("MCP44XX ePot")); break;
case 0x2F: Serial.print(F("MCP44XX ePot")); break;
case 0x38: Serial.print(F("RA8875,FT6206")); break;
case 0x39: Serial.print(F("TSL2561")); break;
case 0x3C: Serial.print(F("SSD1306,DigisparkOLED")); break;
case 0x3D: Serial.print(F("SSD1306")); break;
case 0x40: Serial.print(F("PCA9685,Si7021")); break;
case 0x41: Serial.print(F("STMPE610,PCA9685")); break;
case 0x42: Serial.print(F("PCA9685")); break;
case 0x43: Serial.print(F("PCA9685")); break;
case 0x44: Serial.print(F("PCA9685")); break;
case 0x45: Serial.print(F("PCA9685")); break;
case 0x46: Serial.print(F("PCA9685")); break;
case 0x47: Serial.print(F("PCA9685")); break;
case 0x48: Serial.print(F("ADS1115,PN532,TMP102,PCF8591")); break;
case 0x49: Serial.print(F("ADS1115,TSL2561,PCF8591")); break;
case 0x4A: Serial.print(F("ADS1115")); break;
case 0x4B: Serial.print(F("ADS1115,TMP102")); break;
case 0x50: Serial.print(F("EEPROM")); break;
case 0x51: Serial.print(F("EEPROM")); break;
case 0x52: Serial.print(F("Nunchuk,EEPROM")); break;
case 0x53: Serial.print(F("ADXL345,EEPROM")); break;
case 0x54: Serial.print(F("EEPROM")); break;
case 0x55: Serial.print(F("EEPROM")); break;
case 0x56: Serial.print(F("EEPROM")); break;
case 0x57: Serial.print(F("EEPROM")); break;
case 0x58: Serial.print(F("TPA2016,MAX21100")); break;
case 0x5A: Serial.print(F("MPR121")); break;
case 0x60: Serial.print(F("MPL3115,MCP4725,MCP4728,TEA5767,Si5351")); break;
case 0x61: Serial.print(F("MCP4725,AtlasEzoDO")); break;
case 0x62: Serial.print(F("LidarLite,MCP4725,AtlasEzoORP")); break;
case 0x63: Serial.print(F("MCP4725,AtlasEzoPH")); break;
case 0x64: Serial.print(F("AtlasEzoEC")); break;
case 0x66: Serial.print(F("AtlasEzoRTD")); break;
case 0x68: Serial.print(F("DS1307,DS3231,MPU6050,MPU9050,MPU9250,ITG3200,ITG3701,LSM9DS0,L3G4200D")); break;
case 0x69: Serial.print(F("MPU6050,MPU9050,MPU9250,ITG3701,L3G4200D")); break;
case 0x6A: Serial.print(F("LSM9DS1")); break;
case 0x6B: Serial.print(F("LSM9DS0")); break;
case 0x70: Serial.print(F("AdafruitLED")); break;
case 0x71: Serial.print(F("SFE7SEG,AdafruitLED")); break;
case 0x72: Serial.print(F("AdafruitLED")); break;
case 0x73: Serial.print(F("AdafruitLED")); break;
case 0x76: Serial.print(F("MS5607,MS5611,MS5637,BMP280")); break;
case 0x77: Serial.print(F("BMP085,BMA180,BMP280,MS5611")); break;
default: Serial.print(F("unknown chip"));
}
}


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