Parallax Boe-Bot Student Manual page 344

Page 330 · Robotics with the Boe-Bot
' -----[ Initialization ]-----------------------------------------------------
DEBUG CLS,
"Click transmit windowpane,", CR,
"then press enter to begin", CR,
"frequency sweep...", CR, CR,
" OBJECT", CR,
"FREQUENCY DETECTED", CR,
"--------- --------", CR
' -----[ Main Routine ]-------------------------------------------------------
DO
DEBUGIN dummy
crsrPosRow = 6
FOR irFrequency = 30500 TO 46500 STEP 1000
crsrPosRow = crsrPosRow + 1
FREQOUT 8,1, irFrequency
irDetect = IN9
DEBUG CRSRXY, 4, crsrPosRow, DEC5 irFrequency
DEBUG CRSRXY, 11, crsrPosRow
IF (irDetect = 0) THEN DEBUG "Yes" ELSE DEBUG "No "
PAUSE 100
NEXT
LOOP
√ Click the upper of the two window panes shown in Figure G-1.
√ Press the Enter key. The frequency response data will appear as shown in the
figure.