SW500007 Microchip Technology, SW500007 Datasheet - Page 88

• Manufacturer Part Number: SW500007
• Description: PICC-18 PRO
• Manufacturer: Microchip Technology
• Type: Compilerr
• Series: PIC18r

Specifications of SW500007

• Supported Families: PIC18
• Core Architecture: PIC
• Software Edition: Professional
• Kit Contents: Software And Docs
• Mcu Supported Families: PIC18
• Tool Function: Compiler
• Tool Type: Compiler
• Lead Free Status / RoHS Status: Not applicable / RoHS Compliant
• For Use With/related Products: PIC18 Series
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 015P; 778-1002; 778-1002

Preprocessing
74
#
#assert
#asm
#define
#elif
#else
#endasm
#endif
#error
#if
#ifdef
#ifndef
#include
#line
#nn
#pragma
#undef
#warning
Directive
preprocessor null directive, do
nothing
generate error if condition false
signifies the beginning of in-line
assembly
define preprocessor macro
short for #else #if
conditionally include source lines
terminate in-line assembly
terminate conditional source
inclusion
generate an error message
include source lines if constant
expression true
include source lines if preprocessor
symbol defined
include source lines if preprocessor
symbol not defined
include text file into source
specify line number and filename
for listing
(where nn is a number) short for
#line nn
compiler specific options
undefines preprocessor symbol
generate a warning message
Meaning
Table 3.10: Preprocessor directives
#
#assert SIZE > 10
#asm
mov r0, r1h
#endasm
#define SIZE 5
#define FLAG
#define add(a,b) ((a)+(b))
see #ifdef
see #if
see #asm
see #if
#error Size too big
#if SIZE < 10
c = process(10)
#else
skip();
#endif
#ifdef FLAG
do_loop();
#elif SIZE == 5
skip_loop();
#endif
#ifndef FLAG
jump();
#endif
#include <stdio.h>
#include "project.h"
#line 3 final
#20
See section
#undef FLAG
#warning Length not set
3.12.3
Example
C Language Features