Echelon NodeBuilder Errors 3120 User Manual download pdf (Page 23)

NodeBuilder Errors Guide 5-3

NCC# Description

7 Comment may not be properly terminated [NCC#7]

This warning may be useful in discovering unintentional comments

in your Neuron C program. The definition of C does not permit

nesting of comments. Any text of the form shown below is treated as

a single comment.

/* <text> /* <text> */

Note, however, that this particular pattern may indicate a condition

where there are actually two comments intended, but the first is

unterminated. Thus, the compiler detects this condition and prints a

warning message. The comment text is printed also, for up to 256

characters.

8 Character constant is too long [NCC#8]

Neuron C only supports single-character constants (this does not

apply to use of the \ escape character sequence).

9 String constant is not terminated [NCC#9]

ANSI C does not permit a string constant to span lines; nor can a

string constant be terminated by end-of-file. To create a very long

string constant, use the ANSI C string constant concatenation

feature, demonstrated below. Note that the parts of the string are

concatenated without insertion of any white space, newline, or other

separator character.

"This is a long string constant "

"split across two source lines."

Note that this error message may also indicate mismatched quotes in

strings.

Use \" to include a quote character in a string constant.

10 Preprocessor directives cannot be nested in macros [NCC#10]

A macro cannot contain the character # outside of the text of a string

or a character constant.

Directive #else/#endif without corresponding #if/#ifdef/#ifndef

[NCC#11]

The preprocessor directives controlling conditional compilation must

always exist in matching pairs, similar to the open brace { and close

brace } in a C program. The pair #ifdef and #endif must match, for

example. An optional #else may contained in between.

12 Unrecognized or ill-formed pragma was ignored [NCC#12]

The pragma referenced by the error message is not one which is

recognized or supported by the Neuron C compiler.

Cannot enable micro_interface with Net Vars or msg_tags

declared [NCC#13]

The #pragma micro_interface can only appear in a program if

there have not been any prior declarations of network variables or

message tags. This pragma can only be used with the LonBuilder

Microprocessor Interface Program (MIP).

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