[PATCH] Updated Legacy code in arm csb336
Peter Dufault
dufault at hda.com
Tue Jul 9 11:52:13 UTC 2013
On Jul 8, 2013, at 09:43 , Vipul Nayyar <nayyar_vipul at yahoo.com> wrote:
> /* Define this to use interrupt driver UART driver */
> #define USE_INTERRUPTS 1
( . . . )
> #if defined(USE_INTERRUPTS)
Personal observation:
I don't like using "#define USE_INTERRUPTS 1" in conjunction with "#if defined(USE_INTERRUPTS)". Someone not too careful will change it to "#define USE_INTERRUPTS 0" and not understand why it is still being used.
I either use "#define USE_INTERRUPTS" (I know it is defined to be 1) or "#define USE_INTERRUPTS 1" (or 0) in conjunction with "#if USE_INTERRUPTS". I use the second idiom in my own code, it also protects against typos such as "#if defined(USE_INTERUPTS)"
Peter
-----------------
Peter Dufault
HD Associates, Inc. Software and System Engineering
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