ADS7830.java

// Distributed with a free-will license.
// Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
// ADS7830
// This code is designed to work with the ADS7830_I2CADC_I2CS I2C Mini Module available from ControlEverything.com.
// https://www.controleverything.com/content/Analog-Digital-Converters?sku=ADS7830_I2CADC#tabs-0-product_tabset-2

import com.pi4j.io.i2c.I2CBus;
import com.pi4j.io.i2c.I2CDevice;
import com.pi4j.io.i2c.I2CFactory;
import java.io.IOException;

public class ADS7830
{
	public static void main(String args[]) throws Exception
	{
		// Create I2C bus
		I2CBus Bus = I2CFactory.getInstance(I2CBus.BUS_1);
		// Get I2C device, ADS7830 I2C address is 0x4B(75)
		I2CDevice device = Bus.getDevice(0x4B);

		// Differential inputs, Channel-0, Channel-1 selected
		device.write((byte)0x04);
		Thread.sleep(500);

		// Read 1 byte of data
		byte[] data = new byte[1];
		data[0] = (byte)device.read();

		// Convert the data
		int raw_adc = data[0];

		// Output data to screen
		System.out.printf("Digital value of analog input : %d %n", raw_adc);
	}
}