C51: __DATE__ and __TIME__ Macros

Information in this article applies to:

• C51 All Versions

QUESTION

Is it possible to insert the date and time into my program?

ANSWER

Yes.

Use the __DATE__ and __TIME__ predefined macros. For example:

char code my_date[] = "Compile Date = " __DATE__;
char code my_time[] = "Compile Time = " __TIME__;

MORE INFORMATION

• Refer to Predefined Macros in the Cx51 User's Guide.

SEE ALSO

• C51: Format of __DATE__ Macro Has Changed
• µVision DEBUGGER: Date and Time of Target Routines
• C51: WARNING 317 (MACRO 'NAME': INVALID REDEFINITION)
• GENERAL: Defining a String on the Complier Command Line

Last Reviewed: Thursday, February 25, 2021