Raspberry pie linux led character device driver (traditional)

  for any peripheral driver under Linux, it is necessary to configure the corresponding hardware registers. Therefore, the LED driver finally configures the IO port of raspberry pie, but writing the driver under Linux should comply with the linux driver framework. 1, Raspberry pie GPIO 1.1 register address The CPU of raspberry pie 3B is ...

Posted by ec on Tue, 14 Sep 2021 01:24:32 +0200