fsfw-hal/linux/rpi/GpioRPi.cpp

#include "GpioRPi.h"
#include "../../common/gpio/GpioCookie.h"
#include <FSFWConfig.h>

#include <fsfw/serviceinterface/ServiceInterface.h>


ReturnValue_t gpio::createRpiGpioConfig(GpioCookie* cookie, gpioId_t gpioId, int bcmPin,
        std::string consumer, gpio::Direction direction, int initValue) {
    if(cookie == nullptr) {
        return HasReturnvaluesIF::RETURN_FAILED;
    }

    GpiodRegular* config = new GpiodRegular();
    /* Default chipname for Raspberry Pi. There is still gpiochip1 for expansion, but most users
    will not need this */
    config->chipname = "gpiochip0";

    config->consumer = consumer;
    config->direction = direction;
    config->initValue = initValue;

    /* Sanity check for the BCM pins before assigning it */
    if(bcmPin > 27) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
        sif::error << "createRpiGpioConfig: BCM pin " << bcmPin << " invalid!" << std::endl;
#else
        sif::printError("createRpiGpioConfig: BCM pin %d invalid!\n", bcmPin);
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
        return HasReturnvaluesIF::RETURN_FAILED;
    }
    config->lineNum = bcmPin;
    cookie->addGpio(gpioId, config);
    return HasReturnvaluesIF::RETURN_OK;
}