using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CCDCount.DLL.CanBus
{
    public class CanManagerClass
    {
        UInt32 m_devtype = 4;//USBCAN2
        UInt32 m_devind = 0;
        UInt32 m_canind = 0;
        int DataLen = 8;
        int SendCount = 0;

        VCI_INIT_CONFIG config = new VCI_INIT_CONFIG();

        public void OpenDevice()
        {
            if (CanLibraryClass.VCI_OpenDevice(m_devtype, m_devind, 0) == 0)
            {
                Console.WriteLine("打开设备失败,请检查设备类型和设备索引号是否正确");
                return;
            }
        }

        public void InitCan()
        {
            //初始化CAN
            config.AccCode = Convert.ToUInt32("0x00000000", 16);
            config.AccMask = Convert.ToUInt32("0xFFFFFFFF", 16);
            config.Timing0 = Convert.ToByte("0x00", 16);
            config.Timing1 = Convert.ToByte("0x14", 16);
            config.Filter = (Byte)1;
            config.Mode = (Byte)0;

            if (CanLibraryClass.VCI_InitCAN(m_devtype, m_devind, m_canind, ref config) == 0)
            {
                Console.WriteLine("初始化Can失败");
                return;
            }
            if (CanLibraryClass.VCI_StartCAN(m_devtype, m_devind, m_canind) == 0)
            {
                Console.WriteLine("开启Can失败");
                return;
            }
        }

        public unsafe void SenMessage(byte[] bytes)
        {
            VCI_CAN_OBJ sendobj = new VCI_CAN_OBJ();
            sendobj.RemoteFlag = (byte)(0);
            sendobj.ExternFlag = (byte)(0);
            sendobj.ID = Convert.ToUInt32(Convert.ToString(SendCount, 16), 16);
            sendobj.DataLen = Convert.ToByte(bytes.Length > 8 ? 8 : bytes.Length);
            for (int i = 0; i < DataLen; i++)
            {
                sendobj.Data[i] = bytes[i];
            }

            if (CanLibraryClass.VCI_Transmit(m_devtype, m_devind, m_canind, ref sendobj, 1) == 0)
            {
                Console.WriteLine("发送失败");
                return;
            }
        }

        public void CloseCan()
        {
            CanLibraryClass.VCI_ResetCAN(m_devtype, m_devind, m_canind);
        }
    }
}