error check on line getter

2022-05-04 10:33:55 +02:00
parent a9041b84a3
commit 3556eca8e8
2 changed files with 5 additions and 1 deletions
--- a/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
+++ b/hal/src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
@ -300,6 +300,10 @@ ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, gpio::Levels& gpioState)
      return GPIO_TYPE_FAILURE;
    }
    gpioState = static_cast<gpio::Levels>(gpiod_line_get_value(regularGpio->lineHandle));
+    if (gpioState == gpio::Levels::FAILED) {
+      // TODO: Print error
+      return RETURN_FAILED;
+    }
  } else {
    auto gpioCallback = dynamic_cast<GpioCallback*>(gpioMapIter->second);
    if (gpioCallback->callback == nullptr) {