/// <summary>
/// Writes UInt32 data into internal buffer.
/// </summary>
/// <param name="data">UInt32 data to write.</param>
public void Write(UInt32 data)
{
var bytes = data.GetBytes();
_data.Add(Integer);
var length = GetLength(bytes.Length);
WriteBytes(length);
WriteBytes(bytes);
}
/// <summary>
/// Writes UInt32 data into internal buffer.
/// </summary>
/// <param name="data">UInt32 data to write.</param>
public void Write(UInt32 data)
{
var bytes = data.GetBytes();
this._data.Add(INTEGER);
var length = this.GetLength(bytes.Length);
this.WriteBytes(length);
this.WriteBytes(bytes);
}
/// <summary>
/// Writes uint32 data into internal buffer.
/// </summary>
/// <param name="data">uint32 data to write.</param>
protected void Write(UInt32 data)
{
this.Write(data.GetBytes());
}
private List <byte[]> CreatePackage(UInt16 addr, UInt32 header, UInt32 footer, UInt16 id, UInt16 commandId, byte[] data)
{
List <byte[]> packageItems = new List <byte[]>();
if (data != null)
{
List <byte[]> dataItems = data.Split(SINGLE_PACKAGE_LENGTH, false, 0x00);
UInt16 packageNum = 1;
foreach (var item in dataItems)
{
byte[] packageItem = new byte[25 + item.Length];
int position = 0;
// 数据包头[0 - 2] 0xAA8E42 3字节，高字节在前
Array.Copy(header.GetBytes(), 1, packageItem, 0, 3);
position += 3;
//数据包总长度(LEN)[3-4] 2字节，高字节在前
Array.Copy(((UInt16)packageItem.Length).GetBytes(), 0, packageItem, position, 2);
position += 2;
//设备地址[5 - 6] 2字节 高字节为地址X,低字节为地址Y
Array.Copy(addr.GetBytes(), 0, packageItem, position, 2);
position += 2;
//数据包识别号[7-8] 2字节,用于识别是哪个设备发出的数据包
Array.Copy(id.GetBytes(), 0, packageItem, position, 2);
position += 2;
//命令号[9 - 10] 2字节 高字节在前 区分不同的命令
Array.Copy(commandId.GetBytes(), 0, packageItem, position, 2);
position += 2;
//预留字段[11 - 14] 4字节 默认为0
Array.Copy(((UInt32)0).GetBytes(), 0, packageItem, position, 4);
position += 4;
//总包数[15-16] 2字节 取值范围1到65535 单包命令默认为1
Array.Copy(((UInt16)dataItems.Count).GetBytes(), 0, packageItem, position, 2);
position += 2;
//当前包序号[17-18] 2字节 取值范围1到65535 单包命令默认为1，序号从1开始计数。
Array.Copy(packageNum.GetBytes(), 0, packageItem, position, 2);
position += 2;
//命令执行结果[19] 1字节
//1 =成功
//2 = 忙碌中
//3 = 未知命令
//4 = 校验错误
//5 = 长度错误
//6 = 地址错误 MCU反馈命令执行情况
packageItem[position] = 0;
position += 1;
//数据段[20到LEN - 6]
//数据段以外的长度为25字节。
//可用来保存上位机发给下位机的参数，也可以用来保存下位机返回给上位机的数据。当数据段长度为0时，表示该命令不需要传输数据
Array.Copy(item, 0, packageItem, position, item.Length);
position += item.Length;
//校验码[LEN-5 到LEN-4] 0-65535，高字节在前 采用累加和校验法，将字节序号3到序号(LEN-6)的所有数据相加，取低16位，高8位在前
UInt16 checkSum = (UInt16)(packageItem.CheckSumForUInt32(3, packageItem.Length - 6) & 0xFFFF);
Array.Copy(checkSum.GetBytes(), 0, packageItem, position, 2);
position += 2;
//数据包尾[LEN-3到LEN-1] 0x5571BD 3字节，高字节在前
Array.Copy(footer.GetBytes(), 1, packageItem, position, 3);
position += 2;
packageItems.Add(packageItem);
packageNum++;
}
}
else
{
byte[] packageItem = new byte[25];
int position = 0;
// 数据包头[0 - 2] 0xAA8E42 3字节，高字节在前
Array.Copy(header.GetBytes(), 1, packageItem, 0, 3);
position += 3;
//数据包总长度(LEN)[3-4] 2字节，高字节在前
Array.Copy(((UInt16)packageItem.Length).GetBytes(), 0, packageItem, position, 2);
position += 2;
//设备地址[5 - 6] 2字节 高字节为地址X,低字节为地址Y
Array.Copy(addr.GetBytes(), 0, packageItem, position, 2);
position += 2;
//数据包识别号[7-8] 2字节,用于识别是哪个设备发出的数据包
Array.Copy(id.GetBytes(), 0, packageItem, position, 2);
position += 2;
//命令号[9 - 10] 2字节 高字节在前 区分不同的命令
Array.Copy(commandId.GetBytes(), 0, packageItem, position, 2);
position += 2;
//预留字段[11 - 14] 4字节 默认为0
Array.Copy(((UInt32)0).GetBytes(), 0, packageItem, position, 4);
position += 4;
//总包数[15-16] 2字节 取值范围1到65535 单包命令默认为1
Array.Copy(((UInt16)1).GetBytes(), 0, packageItem, position, 2);
position += 2;
//当前包序号[17-18] 2字节 取值范围1到65535 单包命令默认为1，序号从1开始计数。
Array.Copy(((UInt16)(1)).GetBytes(), 0, packageItem, position, 2);
position += 2;
//命令执行结果[19] 1字节
//1 =成功
//2 = 忙碌中
//3 = 未知命令
//4 = 校验错误
//5 = 长度错误
//6 = 地址错误 MCU反馈命令执行情况
packageItem[position] = 1;
position += 1;
//校验码[LEN-5 到LEN-4] 0-65535，高字节在前 采用累加和校验法，将字节序号3到序号(LEN-6)的所有数据相加，取低16位，高8位在前
UInt16 checkSum = packageItem.CheckSumForUInt16(3, packageItem.Length - 6);
Array.Copy(checkSum.GetBytes(), 0, packageItem, position, 2);
position += 2;
//数据包尾[LEN-3到LEN-1] 0x5571BD 3字节，高字节在前
Array.Copy(footer.GetBytes(), 1, packageItem, position, 3);
position += 2;
packageItems.Add(packageItem);
}
return(packageItems);
}
public void IntegerX_GetBytesUInt32_Test(byte[] data, UInt32 value)
{
Assert.True(data.CompareWith(0, value.GetBytes(isLittleEndian: true), 0, data.Length) == 0);
}
public static IEnumerable <byte> Concat(this IEnumerable <byte> sequence, UInt32 value)
{
return(sequence.Concat(value.GetBytes()));
}
/// <summary>
/// <para>Изменить порядок байт</para>
/// </summary>
/// <param name="value">Исходное значение</param>
/// <returns>Результируюущее значение</returns>
public static UInt32 Swap(this UInt32 value)
{
return(LoadUInt32(value.GetBytes(true), 0, false));
}
public BinaryWriter Write(UInt32 value)
{
byteList.AddRange(value.GetBytes());
return(this);
}