Validating Serial Data Using Manual Parity Checking
Downloads
Filename: validateserialdata.zip
Requirements: View
This example validates data that is read using Serial Port Read, effectively performing manual parity error checking. It assumes the writer is using 7 data bits and either odd or even parity, and that the reader is using 8 data bits and no parity. This means that the parity bit becomes the highest-order data bit from the reader's point of view. The VI returns a Boolean that indicates whether a parity error occurred, as well as an array of parities, one for each character, so that the programmer can isolate the particular character that had bad parity.
Requirements
Filename: validateserialdata.zip
Software Requirements
Application Software: LabVIEW Full Development System 5.0.1
Language(s): LabVIEW
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).
