ChecksumExtensionsModBusCrcChecksum Method

Calculates the CRC-ModBus check-sum on specified portion of a buffer.

Definition

Namespace: Gemstone.IO.Checksums.ChecksumExtensions
Assembly: Gemstone.IO (in Gemstone.IO.dll) Version: 1.0.141 -- Release Build+de6dd506efbb1b6397176ad750b9f73dc0dc685b
public static ushort ModBusCrcChecksum(
	this byte[] data,
	int startIndex,
	int length
)

Parameters

data  Byte
Data buffer to perform check-sum on.
startIndex  Int32
Starts index in data buffer to begin check-sum.
length  Int32
Total number of bytes from startIndex to perform check-sum over.

Return Value

UInt16
Computed CRC-ModBus checksum over the specified portion of the buffer.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Byte. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

See Also