AP_RPM: set pin to input before attaching interrupt

this fixes input on AUX6 on CubeBlack
6 years ago · e862c349e8
1 changed files with 1 additions and 0 deletions
--- a/libraries/AP_RPM/RPM_Pin.cpp
+++ b/libraries/AP_RPM/RPM_Pin.cpp
@ -60,6 +60,7 @@ void AP_RPM_Pin::update(void)
				@@ -60,6 +60,7 @@ void AP_RPM_Pin::update(void)
        // attach to new pin
        last_pin = get_pin();
        if (last_pin) {
+            hal.gpio->pinMode(last_pin, HAL_GPIO_INPUT);
            if (!hal.gpio->attach_interrupt(
                    last_pin,
                    FUNCTOR_BIND_MEMBER(&AP_RPM_Pin::irq_handler, void, uint8_t, bool, uint32_t),