using System.Runtime.InteropServices;
using System.Text;

namespace CapMachine.Wpf.LinDrive
{
    /// <summary>
    /// LDF文件解析
    /// </summary>
    public class LDFParser
    {
        public const Int32 LDF_PARSER_OK = 0;//没有错误
        public const Int32 LDF_PARSER_FILE_OPEN = (-1);//打开文件出错
        public const Int32 LDF_PARSER_FILE_FORMAT = (-2);//文件格式错误
        public const Int32 LDF_PARSER_DEV_DISCONNECT = (-3);//设备未连接
        public const Int32 LDF_PARSER_HANDLE_ERROR = (-4);//LDF Handle错误
        public const Int32 LDF_PARSER_GET_INFO_ERROR = (-5);//获取解析后的数据出错
        public const Int32 LDF_PARSER_DATA_ERROR = (-6);//数据处理错误
        public const Int32 LDF_PARSER_SLAVE_NACK = (-7);//从机未响应数据

        [DllImport("USB2XXX.dll")]
        public static extern UInt64 LDF_ParserFile(int DevHandle, int LINIndex, byte isMaster, StringBuilder pLDFFileName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetProtocolVersion(UInt64 LDFHandle);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetLINSpeed(UInt64 LDFHandle);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFrameQuantity(UInt64 LDFHandle);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFrameName(UInt64 LDFHandle, int index, StringBuilder pFrameName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFrameSignalQuantity(UInt64 LDFHandle, StringBuilder pFrameName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFrameSignalName(UInt64 LDFHandle, StringBuilder pFrameName, int index, StringBuilder pSignalName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_SetSignalValue(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pSignalName, double Value);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSignalValue(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pSignalName, double[] pValue);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSignalValueStr(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pSignalName, StringBuilder pValueStr);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_SetFrameRawValue(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pRawData);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFrameRawValue(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pRawData);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetFramePublisher(UInt64 LDFHandle, StringBuilder pFrameName, StringBuilder pPublisher);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetMasterName(UInt64 LDFHandle, StringBuilder pMasterName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSchQuantity(UInt64 LDFHandle);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSchName(UInt64 LDFHandle, int index, StringBuilder pSchName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSchFrameQuantity(UInt64 LDFHandle, StringBuilder pSchName);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetSchFrameName(UInt64 LDFHandle, StringBuilder pSchName, int index, StringBuilder pFrameName);

        /// <summary>
        ///将帧数据发送到LIN总线，或者向从机读取数据，内部会根据主机名称和帧发布者自动判断是发送数据还是读取数据，发送数据校验模式是通过协议版本号自动判断的。
        // 若是发送数据给从机，需要先调用LDF_SetSignalValue函数设置该帧里面每个信号的值。
        //若是向从机读数据，调用该函数后，可以通过调用LDF_GetSignalValue函数获取读到的值。
        /// LDFHandle ldf文件解析句柄，通过LDF_ParserFile函数获取 。
        /// pFrameName 帧名称。
        /// </summary>
        /// <param name="LDFHandle"></param>
        /// <param name="pFrameName"></param>
        /// <param name="FillBitValue"></param>
        /// <returns></returns>
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_ExeFrameToBus(UInt64 LDFHandle, StringBuilder pFrameName, byte FillBitValue);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_ExeSchToBus(UInt64 LDFHandle, StringBuilder pSchName, byte FillBitValue); 

        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_SetSchToTable(UInt64 LDFHandle, StringBuilder pSchName, byte FillBitValue);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_GetRawMsg(UInt64 LDFHandle, IntPtr pLINMsg, int BufferSize);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_StopSchTable(UInt64 LDFHandle);
        [DllImport("USB2XXX.dll")]
        public static extern Int32 LDF_Release(UInt64 LDFHandle);
    }
}