CP2112 Example

CP2112.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using SLAB_HID_TO_SMBUS;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        const ushort vid = 4292;  //10C4
        const ushort pid = 60048; //EA90
        IntPtr connectedDevice;

        const byte RelaySlaveAddress = 0x20;
        const byte SensorSlaveAddress = 0x2E;

        ushort Relay1Stauts = 0;
        ushort Relay2Stauts = 0;
        ushort Relay3Stauts = 0;
        ushort Relay4Stauts = 0;


        public Form1()
        {
            InitializeComponent();
            uint numDevices = 0;
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_GetNumDevices(ref numDevices, vid, pid);
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_Open(ref connectedDevice, 0, vid, pid);

            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x01, 0x00 }, 2);
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x02, 0x00 }, 2);
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x03, 0x00 }, 2);
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x04, 0x00 }, 2);

            timer_get_temp.Enabled = true;
        }

        private void Relay1Button_Click(object sender, EventArgs e)
        {
            timer_get_temp.Enabled = false;

            if (Relay1Stauts == 0)
            {
                Relay1Stauts = 1;
                Relay1Button.Text = "关闭一号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x01, 0xFF }, 2);

            }
            else
            {
                Relay1Stauts = 0;
                Relay1Button.Text = "打开一号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x01, 0x00 }, 2);
            }

            timer_get_temp.Enabled = true;
        }

        private void Relay2Button_Click(object sender, EventArgs e)
        {
            timer_get_temp.Enabled = false;

            if (Relay2Stauts == 0)
            {
                Relay2Stauts = 1;
                Relay2Button.Text = "关闭二号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x02, 0xFF }, 2);

            }
            else
            {
                Relay2Stauts = 0;
                Relay2Button.Text = "打开二号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x02, 0x00 }, 2);
            }

            timer_get_temp.Enabled = true;
        }

        private void Relay3Button_Click(object sender, EventArgs e)
        {
            timer_get_temp.Enabled = false;

            if (Relay3Stauts == 0)
            {
                Relay3Stauts = 1;
                Relay3Button.Text = "关闭三号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x03, 0xFF }, 2);

            }
            else
            {
                Relay3Stauts = 0;
                Relay3Button.Text = "打开三号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x03, 0x00 }, 2);
            }

            timer_get_temp.Enabled = true;
        }

        private void Relay4Button_Click(object sender, EventArgs e)
        {
            timer_get_temp.Enabled = false;

            if (Relay4Stauts == 0)
            {
                Relay4Stauts = 1;
                Relay4Button.Text = "关闭四号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x04, 0xFF }, 2);

            }
            else
            {
                Relay4Stauts = 0;
                Relay4Button.Text = "打开四号继电器";
                SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_WriteRequest(connectedDevice, RelaySlaveAddress, new byte[] { 0x04, 0x00 }, 2);
            }

            timer_get_temp.Enabled = true;
        }

        private void Timer_get_temp_Tick(object sender, EventArgs e)
        {

            byte bytesRead = 0;
            byte status = 0;
            byte[] readbuff = new byte[61];

            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_AddressReadRequest(connectedDevice, SensorSlaveAddress, 1, 1, new byte[] { 0x01 });
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_ForceReadResponse(connectedDevice, 1);
            SLAB_HID_TO_SMBUS.CP2112_DLL.HidSmbus_GetReadResponse(connectedDevice, ref status, readbuff, 61, ref bytesRead);

             if(bytesRead == 1)
            {
                progressBar1.Value = readbuff[0];
                label1.Text = "现在温度" + readbuff[0] + ":";
            }
        }
    }
}