Prosoft-technology AN-X-PB Bedienungsanleitung PDF herunterladen (Seite 36)

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AN-X-PBCAPT November 2011

Since multiple bits may be set in STS, mask STS with the bit you wish to

examine before you make any comparisons.

Example: The following equation selects frames with checksum errors.

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(STS&STSCHK) = STSCHK

Example: The following equation selects all frames with errors.

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STS <> 0

Frame Length, Len

The length refers to the data portion of the frame but does not include the

checksum.

Example: The following equation selects frames with data lenth greater

than 10.

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Len > 10

Start Delimiter, SD

Possible start delimiters are:

Start delimiter Value Description

SD1 0x10 Fixed Length, No Data

SD2 0x68 Variable Length, With Data

SD3 0xa2 Fixed Length, With Data

SD4 0xdc Token Pass

SC 0xe5 Single Character, Short Ack

Example: The following equation selects frames with data start delimiter

SD1.

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SD = SD1

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Prosoft-technology AN-X-PB Bedienungsanleitung Seite 36