Go Down

Topic: Low Level Code For digitalRead and DigitalWrite (Read 895 times) previous topic - next topic

pdwyer

I have just started using the Due board and I am enjoying learning Arduino.  I have tried to find the code underlying the digitalRead and digitalWrite functions, but no luck.  Can someone point me in the right direction?  Has anyone written a method for writing/reading to a specified memory address or register in the CPU?  I need to write code to some of the registers in the Due CPU to set/read the timer/counters, PWM, etc.
Thank you!

Patrick

jgmdavies

@pdwyer

Hi Patrick,

The Due versions of those 'digital' funcs are in files wiring_digital.c / .h in:

    ... arduino-1.5.1r2\hardware\arduino\sam\cores\arduino

HTH
Jim

Go Up
 


Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

Arduino
via Egeo 16
Torino, 10131
Italy