error check on line getter
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a9041b84a3
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@ -46,7 +46,7 @@ class GpioIF : public HasReturnvaluesIF {
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* an ouput or input gpio.
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*
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* @param gpioId A unique number which specifies the GPIO to read.
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* @param gpioState State of GPIO will be written to this pointer.
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* @param gpioState State of GPIO will be written to this reference
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*/
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virtual ReturnValue_t readGpio(gpioId_t gpioId, gpio::Levels& gpioState) = 0;
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};
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@ -300,6 +300,10 @@ ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, gpio::Levels& gpioState)
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return GPIO_TYPE_FAILURE;
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}
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gpioState = static_cast<gpio::Levels>(gpiod_line_get_value(regularGpio->lineHandle));
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if (gpioState == gpio::Levels::FAILED) {
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// TODO: Print error
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return RETURN_FAILED;
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}
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} else {
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auto gpioCallback = dynamic_cast<GpioCallback*>(gpioMapIter->second);
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if (gpioCallback->callback == nullptr) {
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