28139 Parallax Inc, 28139 Datasheet - Page 76
28139
Manufacturer Part Number
28139
Description
KIT REMOTE IR FOR BOE-BOT W/TEXT
Manufacturer
Parallax Inc
Specifications of 28139
Accessory Type
IR Remote
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Boe-Bot®
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
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' -----[ Subroutine - Get_Ir_Remote_Code ]---------------------------------
' SONY TV IR remote subroutine loads the remote code into the
' remoteCode variable.
Get_Ir_Remote_Code:
Your Turn – Expanding the List of Known Keys
You can expand your program to include the MUTE , and LAST/PREV CH keys.
remoteCode = 0
' Wait for resting state between messages to end.
DO
LOOP UNTIL irPulse > 1000
' Measure start pulse.
RCTIME 9, 0, irPulse
IF irPulse > 1125 OR irPulse < 675 THEN GOTO Get_Ir_Remote_Code
' Get data bit pulses.
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT0 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT1 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT2 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT3 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT4 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT5 = 1
RCTIME IrDet, 0, irPulse
IF irPulse > 300 THEN remoteCode.BIT6 = 1
' Adjust remoteCode so that keypad keys correspond to the value
' it stores.
IF (remoteCode < 10) THEN remoteCode = remoteCode + 1
IF (remoteCode = 10) THEN remoteCode = 0
RETURN
√
RCTIME IrDet, 1, irPulse
Re-run TestIrRemoteButtons.bs2 and get the values for MUTE and LAST/PREV CH .
If out of range, then retry at Get_Ir_Remote_Code.
' Clear all bits in remoteCode
' Measure pulse
' Set (or leave clear) bit-0
' Measure next pulse
' Set (or leave clear) bit-1
' etc
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