|ARM Technical Support Knowledge Articles|
Applies to: C51 C Compiler
Information in this article applies to:
Is the printf() in the library reentrant or an ordinary routine? If it is a reentrant routine, is there a non-reentrant printf()?
printf() is non-reentrant. Caution must therefore be used when calling printf() in an ISR or other situations where printf() may be invoked while it is already executing.
Article last edited on: 2005-07-15 12:17:33
Did you find this article helpful? Yes No
How can we improve this article?