Code C# – RS232 – HEX – Checksum
Sử dụng RS232 (truyền thông nối tiếp) trong C#
Sử dụng:
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using System.IO.Ports; |
2. Khai báo
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SerialPort sp = new SerialPort(); |
3. code
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sp.PortName = "COM5"; sp.BaudRate = 9600; sp.Parity = Parity.None; sp.DataBits = 8; sp.StopBits = StopBits.One; sp.Open(); byte[] bytestosend4 = { 0xA0, 0x02, 0x00, 0xA2 }; sp.Write(bytestosend, 0, 4); sp.Close(); |
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int checksum(byte[] byteArray) { int result = 0; foreach (byte value in byteArray) { result += value; } return result; } |
