General Purpose Input/Output

This is the common API for GPIO.

Additional features are available in the documentation of the specific modules.

Platform Dependencies

The following functions are available on all platforms, but there may be variations in the function signature (i.e. parameters) and behaviour. These functions are typically called by platform-specific parts of drivers, and applications that aren't intended to be portable:

• gpio_pin_is_low()
• gpio_pin_is_high()
• gpio_set_pin_high()
• gpio_set_pin_group_high()
• gpio_set_pin_low()
• gpio_set_pin_group_low()
• gpio_toggle_pin()
• gpio_toggle_pin_group()
• gpio_configure_pin()
• gpio_configure_group()