27403 Parallax Inc, 27403 Datasheet - Page 87

• Manufacturer Part Number: 27403
• Description: GUIDE APP ROBOTCS W/SUMOBOT V1.0
• Manufacturer: Parallax Inc

Specifications of 27403

• Accessory Type: Manual
• 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

' -----[ Title ]--------------------------------------------------------------
' Applied Robotics with the SumoBot - TestFrontIrObjectDetectors.bs2
' This program tests the IR object detectors mounted on the X8 and X9 headers
' on the front of the SumoBot.
' {$STAMP BS2}
' {$PBASIC 2.5}
' -----[ I/O Definitions ]---------------------------------------------------
IrLedLF
IrSenseLF
IrLedRF
IrSenseRF
' -----[ Constants ]----------------------------------------------------------
IrFreq
' -----[ Variables ]----------------------------------------------------------
irLF
irRF
' -----[ Initialization ]-----------------------------------------------------
DEBUG CLS, "FRONT IR DETECTORS", CR,
' -----[ Main Routine ]-------------------------------------------------------
DO
LOOP
FREQOUT IrLedLF, 1, IrFreq
irLF = ~IrSenseLF
FREQOUT IrLedRF, 1, IrFreq
irRF = ~IrSenseRF
DEBUG CRSRX, 1, BIN1 irLF,
PAUSE 100
CRSRX, 9, BIN1 irRF
CON
VAR
VAR
"Left
"----
PIN
PIN
PIN
PIN
38500
Bit
Bit
Right", CR,
-----", CR
4
11
15
14
' Target = BASIC Stamp 2
' Language = PBASIC 2.5
' Left IR LED connected to P4
' Left IR detector to P11
' Right IR LED connected to P15
' Right IR detector to P14
' IR LED transmit frequency
' State of Left Front IR
' State of Right Front IR
' Display heading
' DO...LOOP repeats indefinitely
' Left IRLED shines IR light
' Save IR receiver output
' Repeat for right IRLED/receiver
' Display object detect bits
' Delay for slower PCs