File content as of revision 20:6d2af70c92ab:

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using System;
using NUnit.Framework;
using RPCSupport.Devices;
using RPCSupport.DeviceSupport;
using RPCSupport;

namespace RPCSupportTest
{
    [TestFixture]
    [Property("Class", "I2C")]
    public class I2cTest 
    {
        RPCClient rpcClient;
        I2cDevice i2cDevice;

        [TestFixtureSetUp]
        public void Init()
        {
            rpcClient = new RPCClient(RPCClient.ePipeline.eSerialWrap);
            rpcClient.InitPipeline();
            rpcClient.Connect(ComPort.Port);
            i2cDevice = rpcClient.Init_I2cDevice();
        }

        [TestFixtureTearDown]
        public void Dispose()
        {
            rpcClient.Disconnect();
        }
        
        [Test]
        public void I2CRead()
        {
            byte result = i2cDevice.ReadReg(1, 0x90, 0x01);

            Assert.AreEqual(true, result >= 0 && result <= 0xff);
        }

        [Test]
        public void I2CWriteConfigurationRegister()
        {
            /*
            byte data = max30205.ReadReg(0x01);

            byte flipped = (byte)(data ^ 0xFF);

            max30205.WriteReg(0x01, flipped);

            byte result = max30205.ReadReg(0x01);

            max30205.WriteReg(0x01, data); // Restore register value

            Assert.AreEqual(flipped, result);
            */
            byte data = i2cDevice.ReadReg(1, 0x90, 0x01);

            byte flipped = (byte)(data & 0xFF);

            i2cDevice.WriteReg(1, 0x90, 0x01, flipped);

            byte result = i2cDevice.ReadReg(1, 0x90, 0x01);

            i2cDevice.WriteReg(1, 0x90, 0x01, data);

            Assert.AreEqual(flipped, result);
        }

        [Test]
        public void I2CReadMultiple()
        {
            byte[] data = i2cDevice.ReadMultiReg(1, 0x90, 0x03, 2);

            Assert.True(data[0] == 0x50 && data[1] == 0x00);
            Assert.AreEqual(new byte[] { 0x50, 0x00 }, data);
        }

        [Test]
        public void I2CWriteMultiReg()
        {
            byte[] data = i2cDevice.ReadMultiReg(1, 0x90, 0x03, 2);

            i2cDevice.WriteMultiReg(1, 0x90, 0x03, 2, new byte[] { 0x12, 0x34 });
            byte[] result = i2cDevice.ReadMultiReg(1, 0x90, 0x03, 2);

            
            i2cDevice.WriteMultiReg(1, 0x90, 0x03, 2, data); // restore data

            Assert.AreEqual(new byte[] {0x12, 0x34}, result);

        }

        [Test]
        public void I2CReadRegDetails()
        {
            DeviceDetails details = new DeviceDetails();
            RegisterInfo reg = new RegisterInfo("CONFIG", 0x01);

            details.InitI2c(1, 0x90);

            i2cDevice.ReadReg(details, reg);

            Assert.True(reg.data[0] >= 0x00 && reg.data[0] <= 0xFF);
        }

        [Test]
        public void I2CReadMultipleDetails()
        {
            DeviceDetails details = new DeviceDetails();
            RegisterInfo reg = new RegisterInfo("OVERT", 0x03, 2, RegisterInfo.RegisterType.None);

            details.InitI2c(1, 0x90);

            i2cDevice.ReadReg(details, reg);

            Assert.True(reg.data[0] == 0x50 && reg.data[1] == 0x00);
            Assert.AreEqual(new byte[] { 0x50, 0x00 }, reg.data);
        }

        [Test]
        public void I2CWriteRead()
        {
            byte[] data = i2cDevice.WriteRead(1, 0x90, new byte[] { 0x03 }, 2);

            Assert.True(data[0] == 0x50 && data[1] == 0x00);
            Assert.AreEqual(new byte[] { 0x50, 0x00 }, data);
        }

    }
}