Merge pull request #8556 from kaspar030/stm32_gpio_read

cpu: stm32_common: always do gpio_read() from input register

Merge pull request #8556 from kaspar030/stm32_gpio_read
e78b0557 · Hauke Petersen · GitHub · fa6a83d5 · 83bff5c6 · e78b0557
Unverified Commit e78b0557 authored 7 years ago by Hauke Petersen Committed by GitHub 7 years ago
--- a/cpu/stm32_common/periph/gpio.c
+++ b/cpu/stm32_common/periph/gpio.c
@@ -203,12 +203,7 @@ void gpio_irq_disable(gpio_t pin)

 int gpio_read(gpio_t pin)
 {
-    if (_port(pin)->MODER & (0x3 << (_pin_num(pin) * 2))) {
-        return _port(pin)->ODR & (1 << _pin_num(pin));
-    }
-    else {
-        return _port(pin)->IDR & (1 << _pin_num(pin));
-    }
+    return (_port(pin)->IDR & (1 << _pin_num(pin)));
 }

 void gpio_set(gpio_t pin)