move HAL and tests folder
This commit is contained in:
16
src/fsfw_hal/linux/gpio/CMakeLists.txt
Normal file
16
src/fsfw_hal/linux/gpio/CMakeLists.txt
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@ -0,0 +1,16 @@
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# This abstraction layer requires the gpiod library. You can install this library
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# with "sudo apt-get install -y libgpiod-dev". If you are cross-compiling, you need
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# to install the package before syncing the sysroot to your host computer.
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find_library(LIB_GPIO gpiod)
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if(${LIB_GPIO} MATCHES LIB_GPIO-NOTFOUND)
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message(STATUS "gpiod library not found, not linking against it")
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else()
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target_sources(${LIB_FSFW_NAME} PRIVATE
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LinuxLibgpioIF.cpp
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)
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target_link_libraries(${LIB_FSFW_NAME} PRIVATE
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${LIB_GPIO}
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)
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endif()
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465
src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
Normal file
465
src/fsfw_hal/linux/gpio/LinuxLibgpioIF.cpp
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@ -0,0 +1,465 @@
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#include "LinuxLibgpioIF.h"
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#include <gpiod.h>
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#include <unistd.h>
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#include <utility>
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include "fsfw_hal/common/gpio/GpioCookie.h"
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#include "fsfw_hal/common/gpio/gpioDefinitions.h"
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LinuxLibgpioIF::LinuxLibgpioIF(object_id_t objectId) : SystemObject(objectId) {}
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LinuxLibgpioIF::~LinuxLibgpioIF() {
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for (auto& config : gpioMap) {
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delete (config.second);
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}
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}
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ReturnValue_t LinuxLibgpioIF::addGpios(GpioCookie* gpioCookie) {
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ReturnValue_t result;
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if (gpioCookie == nullptr) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::error << "LinuxLibgpioIF::addGpios: Invalid cookie" << std::endl;
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#endif
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return RETURN_FAILED;
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}
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GpioMap mapToAdd = gpioCookie->getGpioMap();
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/* Check whether this ID already exists in the map and remove duplicates */
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result = checkForConflicts(mapToAdd);
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if (result != RETURN_OK) {
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return result;
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}
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result = configureGpios(mapToAdd);
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if (result != RETURN_OK) {
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return RETURN_FAILED;
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}
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/* Register new GPIOs in gpioMap */
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gpioMap.insert(mapToAdd.begin(), mapToAdd.end());
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return RETURN_OK;
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}
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ReturnValue_t LinuxLibgpioIF::configureGpios(GpioMap& mapToAdd) {
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ReturnValue_t result = RETURN_OK;
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for (auto& gpioConfig : mapToAdd) {
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auto& gpioType = gpioConfig.second->gpioType;
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switch (gpioType) {
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case (gpio::GpioTypes::NONE): {
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return GPIO_INVALID_INSTANCE;
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}
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case (gpio::GpioTypes::GPIO_REGULAR_BY_CHIP): {
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auto regularGpio = dynamic_cast<GpiodRegularByChip*>(gpioConfig.second);
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if (regularGpio == nullptr) {
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return GPIO_INVALID_INSTANCE;
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}
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result = configureGpioByChip(gpioConfig.first, *regularGpio);
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break;
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}
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case (gpio::GpioTypes::GPIO_REGULAR_BY_LABEL): {
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auto regularGpio = dynamic_cast<GpiodRegularByLabel*>(gpioConfig.second);
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if (regularGpio == nullptr) {
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return GPIO_INVALID_INSTANCE;
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}
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result = configureGpioByLabel(gpioConfig.first, *regularGpio);
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break;
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}
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case (gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME): {
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auto regularGpio = dynamic_cast<GpiodRegularByLineName*>(gpioConfig.second);
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if (regularGpio == nullptr) {
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return GPIO_INVALID_INSTANCE;
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}
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result = configureGpioByLineName(gpioConfig.first, *regularGpio);
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break;
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}
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case (gpio::GpioTypes::CALLBACK): {
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auto gpioCallback = dynamic_cast<GpioCallback*>(gpioConfig.second);
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if (gpioCallback->callback == nullptr) {
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return GPIO_INVALID_INSTANCE;
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}
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gpioCallback->callback(gpioConfig.first, gpio::GpioOperation::WRITE,
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gpioCallback->initValue, gpioCallback->callbackArgs);
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}
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}
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if (result != RETURN_OK) {
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return GPIO_INIT_FAILED;
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}
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}
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return result;
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}
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ReturnValue_t LinuxLibgpioIF::configureGpioByLabel(gpioId_t gpioId,
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GpiodRegularByLabel& gpioByLabel) {
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std::string& label = gpioByLabel.label;
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struct gpiod_chip* chip = gpiod_chip_open_by_label(label.c_str());
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if (chip == nullptr) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::configureGpioByLabel: Failed to open gpio from gpio "
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<< "group with label " << label << ". Gpio ID: " << gpioId << std::endl;
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#endif
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return RETURN_FAILED;
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}
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std::string failOutput = "label: " + label;
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return configureRegularGpio(gpioId, chip, gpioByLabel, failOutput);
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}
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ReturnValue_t LinuxLibgpioIF::configureGpioByChip(gpioId_t gpioId, GpiodRegularByChip& gpioByChip) {
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std::string& chipname = gpioByChip.chipname;
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struct gpiod_chip* chip = gpiod_chip_open_by_name(chipname.c_str());
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if (chip == nullptr) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::configureGpioByChip: Failed to open chip " << chipname
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<< ". Gpio ID: " << gpioId << std::endl;
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#endif
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return RETURN_FAILED;
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}
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std::string failOutput = "chipname: " + chipname;
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return configureRegularGpio(gpioId, chip, gpioByChip, failOutput);
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}
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ReturnValue_t LinuxLibgpioIF::configureGpioByLineName(gpioId_t gpioId,
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GpiodRegularByLineName& gpioByLineName) {
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std::string& lineName = gpioByLineName.lineName;
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char chipname[MAX_CHIPNAME_LENGTH];
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unsigned int lineOffset;
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int result =
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gpiod_ctxless_find_line(lineName.c_str(), chipname, MAX_CHIPNAME_LENGTH, &lineOffset);
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if (result != LINE_FOUND) {
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parseFindeLineResult(result, lineName);
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return RETURN_FAILED;
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}
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gpioByLineName.lineNum = static_cast<int>(lineOffset);
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struct gpiod_chip* chip = gpiod_chip_open_by_name(chipname);
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if (chip == nullptr) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::configureGpioByLineName: Failed to open chip " << chipname
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<< ". <Gpio ID: " << gpioId << std::endl;
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#endif
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return RETURN_FAILED;
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}
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std::string failOutput = "line name: " + lineName;
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return configureRegularGpio(gpioId, chip, gpioByLineName, failOutput);
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}
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ReturnValue_t LinuxLibgpioIF::configureRegularGpio(gpioId_t gpioId, struct gpiod_chip* chip,
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GpiodRegularBase& regularGpio,
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std::string failOutput) {
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unsigned int lineNum;
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gpio::Direction direction;
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std::string consumer;
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struct gpiod_line* lineHandle;
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int result = 0;
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lineNum = regularGpio.lineNum;
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lineHandle = gpiod_chip_get_line(chip, lineNum);
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if (!lineHandle) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::configureRegularGpio: Failed to open line " << std::endl;
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sif::warning << "GPIO ID: " << gpioId << ", line number: " << lineNum << ", " << failOutput
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<< std::endl;
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sif::warning << "Check if Linux GPIO configuration has changed. " << std::endl;
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#endif
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gpiod_chip_close(chip);
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return RETURN_FAILED;
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}
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direction = regularGpio.direction;
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consumer = regularGpio.consumer;
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/* Configure direction and add a description to the GPIO */
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switch (direction) {
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case (gpio::Direction::OUT): {
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result = gpiod_line_request_output(lineHandle, consumer.c_str(),
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static_cast<int>(regularGpio.initValue));
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break;
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}
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case (gpio::Direction::IN): {
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result = gpiod_line_request_input(lineHandle, consumer.c_str());
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break;
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}
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default: {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::error << "LinuxLibgpioIF::configureGpios: Invalid direction specified" << std::endl;
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#endif
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return GPIO_INVALID_INSTANCE;
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}
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if (result < 0) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::error << "LinuxLibgpioIF::configureRegularGpio: Failed to request line " << lineNum
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<< " from GPIO instance with ID: " << gpioId << std::endl;
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#else
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sif::printError(
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"LinuxLibgpioIF::configureRegularGpio: "
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"Failed to request line %d from GPIO instance with ID: %d\n",
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lineNum, gpioId);
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#endif
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gpiod_line_release(lineHandle);
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return RETURN_FAILED;
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}
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}
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/**
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* Write line handle to GPIO configuration instance so it can later be used to set or
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* read states of GPIOs.
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*/
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regularGpio.lineHandle = lineHandle;
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return RETURN_OK;
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}
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ReturnValue_t LinuxLibgpioIF::pullHigh(gpioId_t gpioId) {
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gpioMapIter = gpioMap.find(gpioId);
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if (gpioMapIter == gpioMap.end()) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::pullHigh: Unknown GPIO ID " << gpioId << std::endl;
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#endif
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return UNKNOWN_GPIO_ID;
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}
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auto gpioType = gpioMapIter->second->gpioType;
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if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP or
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gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL or
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gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME) {
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auto regularGpio = dynamic_cast<GpiodRegularBase*>(gpioMapIter->second);
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if (regularGpio == nullptr) {
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return GPIO_TYPE_FAILURE;
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}
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return driveGpio(gpioId, *regularGpio, gpio::Levels::HIGH);
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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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return GPIO_INVALID_INSTANCE;
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}
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gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::WRITE, gpio::Levels::HIGH,
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gpioCallback->callbackArgs);
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return RETURN_OK;
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}
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return GPIO_TYPE_FAILURE;
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}
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ReturnValue_t LinuxLibgpioIF::pullLow(gpioId_t gpioId) {
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gpioMapIter = gpioMap.find(gpioId);
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if (gpioMapIter == gpioMap.end()) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::pullLow: Unknown GPIO ID " << gpioId << std::endl;
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#else
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sif::printWarning("LinuxLibgpioIF::pullLow: Unknown GPIO ID %d\n", gpioId);
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#endif
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return UNKNOWN_GPIO_ID;
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}
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||||
auto& gpioType = gpioMapIter->second->gpioType;
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if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP or
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gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL or
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gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME) {
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auto regularGpio = dynamic_cast<GpiodRegularBase*>(gpioMapIter->second);
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if (regularGpio == nullptr) {
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return GPIO_TYPE_FAILURE;
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}
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return driveGpio(gpioId, *regularGpio, gpio::Levels::LOW);
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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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return GPIO_INVALID_INSTANCE;
|
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}
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gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::WRITE, gpio::Levels::LOW,
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gpioCallback->callbackArgs);
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||||
return RETURN_OK;
|
||||
}
|
||||
return GPIO_TYPE_FAILURE;
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||||
}
|
||||
|
||||
ReturnValue_t LinuxLibgpioIF::driveGpio(gpioId_t gpioId, GpiodRegularBase& regularGpio,
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gpio::Levels logicLevel) {
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int result = gpiod_line_set_value(regularGpio.lineHandle, static_cast<int>(logicLevel));
|
||||
if (result < 0) {
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
sif::warning << "LinuxLibgpioIF::driveGpio: Failed to pull GPIO with ID " << gpioId
|
||||
<< " to logic level " << static_cast<int>(logicLevel) << std::endl;
|
||||
#else
|
||||
sif::printWarning(
|
||||
"LinuxLibgpioIF::driveGpio: Failed to pull GPIO with ID %d to "
|
||||
"logic level %d\n",
|
||||
gpioId, logicLevel);
|
||||
#endif
|
||||
return DRIVE_GPIO_FAILURE;
|
||||
}
|
||||
|
||||
return RETURN_OK;
|
||||
}
|
||||
|
||||
ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, int* gpioState) {
|
||||
gpioMapIter = gpioMap.find(gpioId);
|
||||
if (gpioMapIter == gpioMap.end()) {
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
sif::warning << "LinuxLibgpioIF::readGpio: Unknown GPIOD ID " << gpioId << std::endl;
|
||||
#else
|
||||
sif::printWarning("LinuxLibgpioIF::readGpio: Unknown GPIOD ID %d\n", gpioId);
|
||||
#endif
|
||||
return UNKNOWN_GPIO_ID;
|
||||
}
|
||||
|
||||
auto gpioType = gpioMapIter->second->gpioType;
|
||||
if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP or
|
||||
gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL or
|
||||
gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME) {
|
||||
auto regularGpio = dynamic_cast<GpiodRegularBase*>(gpioMapIter->second);
|
||||
if (regularGpio == nullptr) {
|
||||
return GPIO_TYPE_FAILURE;
|
||||
}
|
||||
*gpioState = gpiod_line_get_value(regularGpio->lineHandle);
|
||||
} else {
|
||||
auto gpioCallback = dynamic_cast<GpioCallback*>(gpioMapIter->second);
|
||||
if (gpioCallback->callback == nullptr) {
|
||||
return GPIO_INVALID_INSTANCE;
|
||||
}
|
||||
gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::READ, gpio::Levels::NONE,
|
||||
gpioCallback->callbackArgs);
|
||||
return RETURN_OK;
|
||||
}
|
||||
return RETURN_OK;
|
||||
}
|
||||
|
||||
ReturnValue_t LinuxLibgpioIF::checkForConflicts(GpioMap& mapToAdd) {
|
||||
ReturnValue_t status = HasReturnvaluesIF::RETURN_OK;
|
||||
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
|
||||
for (auto& gpioConfig : mapToAdd) {
|
||||
switch (gpioConfig.second->gpioType) {
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_CHIP):
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_LABEL):
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME): {
|
||||
auto regularGpio = dynamic_cast<GpiodRegularBase*>(gpioConfig.second);
|
||||
if (regularGpio == nullptr) {
|
||||
return GPIO_TYPE_FAILURE;
|
||||
}
|
||||
// Check for conflicts and remove duplicates if necessary
|
||||
result = checkForConflictsById(gpioConfig.first, gpioConfig.second->gpioType, mapToAdd);
|
||||
if (result != HasReturnvaluesIF::RETURN_OK) {
|
||||
status = result;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case (gpio::GpioTypes::CALLBACK): {
|
||||
auto callbackGpio = dynamic_cast<GpioCallback*>(gpioConfig.second);
|
||||
if (callbackGpio == nullptr) {
|
||||
return GPIO_TYPE_FAILURE;
|
||||
}
|
||||
// Check for conflicts and remove duplicates if necessary
|
||||
result = checkForConflictsById(gpioConfig.first, gpioConfig.second->gpioType, mapToAdd);
|
||||
if (result != HasReturnvaluesIF::RETURN_OK) {
|
||||
status = result;
|
||||
}
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
sif::warning << "Invalid GPIO type detected for GPIO ID " << gpioConfig.first << std::endl;
|
||||
#else
|
||||
sif::printWarning("Invalid GPIO type detected for GPIO ID %d\n", gpioConfig.first);
|
||||
#endif
|
||||
status = GPIO_TYPE_FAILURE;
|
||||
}
|
||||
}
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
ReturnValue_t LinuxLibgpioIF::checkForConflictsById(gpioId_t gpioIdToCheck,
|
||||
gpio::GpioTypes expectedType,
|
||||
GpioMap& mapToAdd) {
|
||||
// Cross check with private map
|
||||
gpioMapIter = gpioMap.find(gpioIdToCheck);
|
||||
if (gpioMapIter != gpioMap.end()) {
|
||||
auto& gpioType = gpioMapIter->second->gpioType;
|
||||
bool eraseDuplicateDifferentType = false;
|
||||
switch (expectedType) {
|
||||
case (gpio::GpioTypes::NONE): {
|
||||
break;
|
||||
}
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_CHIP):
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_LABEL):
|
||||
case (gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME): {
|
||||
if (gpioType == gpio::GpioTypes::NONE or gpioType == gpio::GpioTypes::CALLBACK) {
|
||||
eraseDuplicateDifferentType = true;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case (gpio::GpioTypes::CALLBACK): {
|
||||
if (gpioType != gpio::GpioTypes::CALLBACK) {
|
||||
eraseDuplicateDifferentType = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (eraseDuplicateDifferentType) {
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflicts: ID already exists for "
|
||||
"different GPIO type "
|
||||
<< gpioIdToCheck << ". Removing duplicate from map to add" << std::endl;
|
||||
#else
|
||||
sif::printWarning(
|
||||
"LinuxLibgpioIF::checkForConflicts: ID already exists for "
|
||||
"different GPIO type %d. Removing duplicate from map to add\n",
|
||||
gpioIdToCheck);
|
||||
#endif
|
||||
mapToAdd.erase(gpioIdToCheck);
|
||||
return GPIO_DUPLICATE_DETECTED;
|
||||
}
|
||||
|
||||
// Remove element from map to add because a entry for this GPIO already exists
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflictsRegularGpio: Duplicate GPIO "
|
||||
"definition with ID "
|
||||
<< gpioIdToCheck << " detected. "
|
||||
<< "Duplicate will be removed from map to add" << std::endl;
|
||||
#else
|
||||
sif::printWarning(
|
||||
"LinuxLibgpioIF::checkForConflictsRegularGpio: Duplicate GPIO definition "
|
||||
"with ID %d detected. Duplicate will be removed from map to add\n",
|
||||
gpioIdToCheck);
|
||||
#endif
|
||||
mapToAdd.erase(gpioIdToCheck);
|
||||
return GPIO_DUPLICATE_DETECTED;
|
||||
}
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
}
|
||||
|
||||
void LinuxLibgpioIF::parseFindeLineResult(int result, std::string& lineName) {
|
||||
switch (result) {
|
||||
#if FSFW_CPP_OSTREAM_ENABLED == 1
|
||||
case LINE_NOT_EXISTS:
|
||||
case LINE_ERROR: {
|
||||
sif::warning << "LinuxLibgpioIF::parseFindeLineResult: Line with name " << lineName
|
||||
<< " does not exist" << std::endl;
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
sif::warning << "LinuxLibgpioIF::parseFindeLineResult: Unknown return code for line "
|
||||
"with name "
|
||||
<< lineName << std::endl;
|
||||
break;
|
||||
}
|
||||
#else
|
||||
case LINE_NOT_EXISTS:
|
||||
case LINE_ERROR: {
|
||||
sif::printWarning(
|
||||
"LinuxLibgpioIF::parseFindeLineResult: Line with name %s "
|
||||
"does not exist\n",
|
||||
lineName);
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
sif::printWarning(
|
||||
"LinuxLibgpioIF::parseFindeLineResult: Unknown return code for line "
|
||||
"with name %s\n",
|
||||
lineName);
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
88
src/fsfw_hal/linux/gpio/LinuxLibgpioIF.h
Normal file
88
src/fsfw_hal/linux/gpio/LinuxLibgpioIF.h
Normal file
@ -0,0 +1,88 @@
|
||||
#ifndef LINUX_GPIO_LINUXLIBGPIOIF_H_
|
||||
#define LINUX_GPIO_LINUXLIBGPIOIF_H_
|
||||
|
||||
#include "fsfw/objectmanager/SystemObject.h"
|
||||
#include "fsfw/returnvalues/FwClassIds.h"
|
||||
#include "fsfw_hal/common/gpio/GpioIF.h"
|
||||
|
||||
class GpioCookie;
|
||||
class GpiodRegularIF;
|
||||
|
||||
/**
|
||||
* @brief This class implements the GpioIF for a linux based system.
|
||||
* @details
|
||||
* This implementation is based on the libgpiod lib which requires Linux 4.8 or higher.
|
||||
* @note
|
||||
* The Petalinux SDK from Xilinx supports libgpiod since Petalinux 2019.1.
|
||||
*/
|
||||
class LinuxLibgpioIF : public GpioIF, public SystemObject {
|
||||
public:
|
||||
static const uint8_t gpioRetvalId = CLASS_ID::HAL_GPIO;
|
||||
|
||||
static constexpr ReturnValue_t UNKNOWN_GPIO_ID =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 1);
|
||||
static constexpr ReturnValue_t DRIVE_GPIO_FAILURE =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 2);
|
||||
static constexpr ReturnValue_t GPIO_TYPE_FAILURE =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 3);
|
||||
static constexpr ReturnValue_t GPIO_INVALID_INSTANCE =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 4);
|
||||
static constexpr ReturnValue_t GPIO_DUPLICATE_DETECTED =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 5);
|
||||
static constexpr ReturnValue_t GPIO_INIT_FAILED =
|
||||
HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 6);
|
||||
|
||||
LinuxLibgpioIF(object_id_t objectId);
|
||||
virtual ~LinuxLibgpioIF();
|
||||
|
||||
ReturnValue_t addGpios(GpioCookie* gpioCookie) override;
|
||||
ReturnValue_t pullHigh(gpioId_t gpioId) override;
|
||||
ReturnValue_t pullLow(gpioId_t gpioId) override;
|
||||
ReturnValue_t readGpio(gpioId_t gpioId, int* gpioState) override;
|
||||
|
||||
private:
|
||||
static const size_t MAX_CHIPNAME_LENGTH = 11;
|
||||
static const int LINE_NOT_EXISTS = 0;
|
||||
static const int LINE_ERROR = -1;
|
||||
static const int LINE_FOUND = 1;
|
||||
|
||||
// Holds the information and configuration of all used GPIOs
|
||||
GpioUnorderedMap gpioMap;
|
||||
GpioUnorderedMapIter gpioMapIter;
|
||||
|
||||
/**
|
||||
* @brief This functions drives line of a GPIO specified by the GPIO ID.
|
||||
*
|
||||
* @param gpioId The GPIO ID of the GPIO to drive.
|
||||
* @param logiclevel The logic level to set. O or 1.
|
||||
*/
|
||||
ReturnValue_t driveGpio(gpioId_t gpioId, GpiodRegularBase& regularGpio, gpio::Levels logicLevel);
|
||||
|
||||
ReturnValue_t configureGpioByLabel(gpioId_t gpioId, GpiodRegularByLabel& gpioByLabel);
|
||||
ReturnValue_t configureGpioByChip(gpioId_t gpioId, GpiodRegularByChip& gpioByChip);
|
||||
ReturnValue_t configureGpioByLineName(gpioId_t gpioId, GpiodRegularByLineName& gpioByLineName);
|
||||
ReturnValue_t configureRegularGpio(gpioId_t gpioId, struct gpiod_chip* chip,
|
||||
GpiodRegularBase& regularGpio, std::string failOutput);
|
||||
|
||||
/**
|
||||
* @brief This function checks if GPIOs are already registered and whether
|
||||
* there exists a conflict in the GPIO configuration. E.g. the
|
||||
* direction.
|
||||
*
|
||||
* @param mapToAdd The GPIOs which shall be added to the gpioMap.
|
||||
*
|
||||
* @return RETURN_OK if successful, otherwise RETURN_FAILED
|
||||
*/
|
||||
ReturnValue_t checkForConflicts(GpioMap& mapToAdd);
|
||||
|
||||
ReturnValue_t checkForConflictsById(gpioId_t gpiodId, gpio::GpioTypes type, GpioMap& mapToAdd);
|
||||
|
||||
/**
|
||||
* @brief Performs the initial configuration of all GPIOs specified in the GpioMap mapToAdd.
|
||||
*/
|
||||
ReturnValue_t configureGpios(GpioMap& mapToAdd);
|
||||
|
||||
void parseFindeLineResult(int result, std::string& lineName);
|
||||
};
|
||||
|
||||
#endif /* LINUX_GPIO_LINUXLIBGPIOIF_H_ */
|
||||
Reference in New Issue
Block a user