70016 Parallax Inc, 70016 Datasheet - Page 149

• Manufacturer Part Number: 70016
• Description: TEXT INFRARED REMOTE FOR BOE-BOT
• Manufacturer: Parallax Inc

Specifications of 70016

• Accessory Type: Manual
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: Boe-Bot®
• For Use With: 29122 - KIT PARTS IR REMOTE FOR BOE-BOT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Your Turn – Step 4 – Wait until the Right Character is Entered
One problem with the existing example program is that it will accept any character, not
just the "F", "B", "L", "R", and "Q" you want for navigation.
A
characters you want before moving on. The
one with a list of the characters you want to receive and an
characters you don't want. When the direction variable contains one of the characters you
want, the
ELSE
After the
character is received. Here is how to change the program so that it filters for only the
characters you want:
LOOP
END
SELECT…CASE
√
√
√
READ Distance_List + eeIndex, distance
IF direction = "Q" THEN EXIT
DEBUG direction, "
PAUSE 200
eeIndex = eeIndex + 1
code block only has to contain a message that the wrong character was received.
Run the program again and try entering characters other than those listed when
prompted for direction.
Rename and save the program as DebugRecordPlaybackFiltered.bs2
Replace these two commands:
CASE
ENDSELECT
DEBUG CR, "F, B, R, L, Q", CR,
DEBUGIN direction
with the list of correct characters can
statement inside a
"Enter Direction: "
, the
", DEC distance, CR
LOOP
will cause the
DO…LOOP
SELECT…CASE
is a tool you can use to filter for only the
DO…LOOP
EXIT
from the
statement can have two cases,
to repeat until the correct
ELSE
DO…LOOP
case for all the
. The
CASE