Translations:Работа с GPIO/31/en
Версия от 13:18, 19 января 2016; Fizikdaos (обсуждение | вклад) (Новая страница: «Driving GPIO can use the direct access to the processor registers, bypassing the Linux interface/dev/mem. At the same time, compared to the work via sysfs minimiz…»)
Driving GPIO can use the direct access to the processor registers, bypassing the Linux interface/dev/mem. At the same time, compared to the work via sysfs minimization of costs. This method can be used, if you need a very fast access to GPIO, such bitbang protocols or PWM. It should be borne in mind that the process scheduler can still contribute to the work program of significant delays. It is recommended to make time-critical tasks in the kernel.