In Arduino, what are the raw values for the HIGH, LOW, INPUT, and OUTPUT

Question

What are the actual values for HIGH, LOW, INPUT, and OUTPUT? These are used in functions like pinMode() and digitalWrite().

Thanks

score 4 · Accepted Answer · edited Aug 03 '19 at 08:42

4

These might be of use to you:

#define HIGH 0x1
#define LOW  0x0

#define INPUT 0x0
#define OUTPUT 0x1

#define true 0x1
#define false 0x0

So basically they are booleans since C/C++ represents true as 0x1 and false as 0x0

edited Aug 03 '19 at 08:42

Brethlosze

answered Jun 29 '15 at 19:57

Matt

Thanks, that helps a lot! – Jun 29 '15 at 20:09
i am trying to port the sample blink program to AVR-C in atmel studio. Do you have any idea how to still use the arduino functions while writing the program? – Jun 29 '15 at 20:10
I haven't messed around with amt. studio, but I'm sure someone else has implemented blink in AVR-C so the answers are out there. – Matt Jun 29 '15 at 20:15

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