BASIC stamp manual v2.2

TOGGLE – BASIC Stamp Command Reference

Page 456 • BASIC Stamp Syntax and Reference Manual 2.2 • www.parallax.com

guarantee that the state actually changes, regardless of the initial input or

output mode, do this:

PIN2 = PIN2 ' make output driver match input

TOGGLE 2 ' then toggle

- or -

OUT2 = IN2 ' make output driver match input

TOGGLE 2 ' then toggle

Figure 5.47: Example LED Circuit

for TOGGLE Demo Programs.

Demo Program (TOGGLE.bs1)

' TOGGLE.bs1

' Connect LEDs to pins 0 through 3 as shown in the TOGGLE command descrip-

' tion in the manual and run this program. The TOGGLE command will treat

' you to a light show. You may also run the demo without LEDs. The Debug

' window will show you the states of pins 0 through 3.

' {$STAMP BS1}

' {$PBASIC 1.0}

SYMBOL thePin = B0 ' pin 0 - 3

Setup:

DIRS = %1111 ' make LEDs output, low

Main:

FOR thePin = 0 TO 3 ' loop through pins

TOGGLE thePin ' toggle current pin

DEBUG CLS, %PINS ' show on Debug

PAUSE 100 ' short delay

GOTO Main ' repeat forever

END

All