RTEMS | dev/gpio: A generic GPIO API as a device node and ioctl (!1499)

Christian Mauderer (@c-mauderer) gitlab at rtems.org
Wed Sep 23 05:58:42 UTC 2026




Christian Mauderer commented on a discussion on cpukit/include/dev/gpio/gpio.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1499#note_159818

 > +   *
 > +   * What a pin reads as before rtems_gpio_pin_configure() is called on it,
 > +   * and what it returns to after rtems_gpio_pin_release().
 > +   */
 > +  RTEMS_GPIO_DIRECTION_NONE = 0,
 > +
 > +  /**
 > +   * @brief This enumerator indicates that the pin is an input.
 > +   */
 > +  RTEMS_GPIO_DIRECTION_INPUT,
 > +
 > +  /**
 > +   * @brief This enumerator indicates that the pin is an output.
 > +   */
 > +  RTEMS_GPIO_DIRECTION_OUTPUT
 > +} rtems_gpio_direction;

Of course that's OK.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1499#note_159818
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