What does this mean?

[schenkin]

I found this line in the default camera code, and I can't figure out what it means:

Pwm1_red ^= 1;

it sort of looks like early pascal, in which case it would just set the variable Pwm1_red to 1, but elsewhere in the code the more traditional "=" is used.

Anyone know what this means?

--Sam
--Team 486
--Positronic Panthers

[Mike Betts]

I found this line in the default camera code, and I can't figure out what it means:

Pwm1_red ^= 1;

it sort of looks like early pascal, in which case it would just set the variable Pwm1_red to 1, but elsewhere in the code the more traditional "=" is used.

Anyone know what this means?

--Sam
--Team 486
--Positronic Panthers
Please search this document (http://www.lysator.liu.se/c/bwk-tutor.html) and you should find the information you are seeking now and are likely to seek in the near future.

[deh03766]

[QUOTE=schenkin]I found this line in the default camera code, and I can't figure out what it means:

Pwm1_red ^= 1;

This expands to Pwm1_red = Pwm1_red ^ 1;

^ is the xor operator, and like other operators, can be combined with = to give the shorthand statement that confused you

[schenkin]

Thanks everyone!