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altos: Allow buttons to be high when pressed rather than low
[fw/altos]
/
src
/
drivers
/
ao_button.c
diff --git
a/src/drivers/ao_button.c
b/src/drivers/ao_button.c
index 725ac45a762334a6bdbf5a303d1bb028200081e6..07e92c670f3a1c590aed332b875d3f8fc66e46b3 100644
(file)
--- 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
#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))
/* 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)
static uint8_t
_ao_button_get(uint8_t b)