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Chapter 6 Automotive Diagnostic Command Set API for C
Automotive Diagnostic Command Set User Manual 6-16 ni.com
dataIn
Points to the byte array that contains the binary representation of value.
len
Must contain the dataIn array length.
Output
value
The physical value converted from the binary representation.
Description
Data output from diagnostic services (for example, ndReadDataByLocalIdentifier) is
usually a byte stream of binary data. If you have a description of the data output (for example,
byte 3 and 4 are engine RPM scaled as .25 *
×
RPM in Motorola representation), you can
use
ndConvertToPhys to extract the physical value from the byte stream by filling an
appropriate
typeDescriptor struct.