27404 Parallax Inc, 27404 Datasheet - Page 217

• Manufacturer Part Number: 27404
• Description: COMPETITION RING FOR SUMOBOT
• Manufacturer: Parallax Inc

Specifications of 27404

• Accessory Type: Hobby and Education
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SumoBot®
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

itself that you have declared two symbols,
and
The
condition is
PIN
LedSpeaker PIN 5
the
Here is a variable declaration and
conditional compiler directives, so they will be part of the program regardless of the
value of
Since
will be part of the program. Again the commands in the other
well be comments. However, if you change
DEBUG_MODE = 0
block will be compiled. The program would instead display the message
is zero
LedSpeaker PIN
DEBUG_MODE
directive will be compiled. In other words, the BASIC Stamp Editor will consider
#IF...#ENDIF
DEBUG_MODE
' -----[ Compiler Definitions ]----------------------------------------
#DEFINE LED_MODE = 1
#DEFINE DEBUG_MODE = 2
' -----[ I/O Definitions ]---------------------------------------------
#IF LED_MODE = 1 #THEN
#ENDIF
' -----[ Variables ]---------------------------------------------------
counter VAR Word
' -----[ Initialization ]----------------------------------------------
DEBUG CLS, "Program running...", CR, CR
DEBUG_MODE
."
Most compiler directives begin with #. Examples include #DEFINE, #IF, #THEN, #ELSE,
#SELECT, and #CASE.
$PBASIC.
LedSpeaker PIN 5
LED_MODE = 1
, which has been set equal to two.
and re-run the program, only the
was declared as 2, only the command
code block below is called a conditional compiler directive. The
to be part of the program. If
or
directive would be ignored, just as comments are ignored.
LED_MODE
. If that's how
The others begin with the dollar sign, such as $STAMP and
.
DEBUG
LED_MODE
LED_MODE
command that are not nested inside any
#DEFINE DEBUG_MODE = 2
LED_MODE
was declared, then the
, which has been set equal to one,
DEBUG
DEBUG
command in the
is any value other than 1,
#CASE
"
DEBUG_MODE = 2
directives might as
"DEBUG_MODE
LedSpeaker
to
#CASE 0
#DEFINE
."