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-rw-r--r--src/drivers/ao_button.c8
1 files changed, 8 insertions, 0 deletions
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)