[Vm-dev] Interfacing with the i/o pins on the Raspberry Pi et al

Bert Freudenberg bert at freudenbergs.de
Wed Aug 26 18:13:10 UTC 2015

> On 26.08.2015, at 19:54, tim Rowledge <tim at rowledge.org> wrote:
> On 26-08-2015, at 10:37 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
>> Otherwise I’d go for a lightweight plugin solution using direct IO:
>> http://elinux.org/RPi_GPIO_Code_Samples#Direct_register_access
>> Advantage (besides being most efficient) is that there are no dependencies at all, and it does look pretty trivial. 
> I’m not 100% sure but I think that approach requires sudo etc.

How does WiringPi get around that?

> An advantage of wiringPi is that it wraps some nasty stuff quite nicely. A disadvantage is that Gordon apparently believes in a rather medieval approach to errors - Ka-Boom! A veritable Earth-shattering Ka-Boom!

And its license.

- Bert -

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