From 79215de60d3e11b4abd1ecd2fa9575a323b76754 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 2 Apr 2017 19:31:45 -0700 Subject: [PATCH] altos: Allow buttons to be high when pressed rather than low Signed-off-by: Keith Packard --- src/drivers/ao_button.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/drivers/ao_button.c b/src/drivers/ao_button.c index 725ac45a..07e92c67 100644 --- a/src/drivers/ao_button.c +++ b/src/drivers/ao_button.c @@ -39,8 +39,16 @@ static struct ao_button_state ao_button_state[AO_BUTTON_COUNT]; #define bit(q) AO_BUTTON_ ## q #define pin(q) AO_BUTTON_ ## q ## _PIN +#ifndef AO_BUTTON_INVERTED +#define AO_BUTTON_INVERTED 1 +#endif + +#if AO_BUTTON_INVERTED /* pins are inverted */ #define ao_button_value(b) !ao_gpio_get(port(b), bit(b), pin(b)) +#else +#define ao_button_value(b) ao_gpio_get(port(b), bit(b), pin(b)) +#endif static uint8_t _ao_button_get(uint8_t b) -- 2.30.2