forked from IanF/OneWireArduinoSlaveATTINY85
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45 lines
1.2 KiB
45 lines
1.2 KiB
9 years ago
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using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SerialMonitor
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{
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public static class SerialPortExtensions
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{
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public static int ReadShort(this SerialPort port)
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{
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int b1 = port.ReadByte();
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int b2 = port.ReadByte();
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return b2 * 256 + b1;
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}
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public static ulong ReadULong(this SerialPort port)
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{
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ulong b1 = (ulong)port.ReadByte();
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ulong b2 = (ulong)port.ReadByte();
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ulong b3 = (ulong)port.ReadByte();
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ulong b4 = (ulong)port.ReadByte();
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return b4 * 256 * 256 * 256 + b3 * 256 * 256 + b2 * 256 + b1;
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}
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public static byte[] ReadBytes(this SerialPort port, int numBytes)
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{
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var bytes = new byte[numBytes];
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int remaining = numBytes;
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int pos = 0;
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while (remaining > 0)
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{
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int read = port.Read(bytes, pos, remaining);
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if (read < 0)
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throw new Exception("Connection closed");
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remaining -= read;
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pos += read;
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}
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return bytes;
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}
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}
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}
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