Add feature to open GPIO by line name
This features was provided by Jakob Meier as part of eive/fsfw#19 . It adds the feature to open GPIOs supplying their line names.
This commit is contained in:
parent
f8e9042943
commit
cae3feb5da
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@ -9,12 +9,13 @@ using gpioId_t = uint16_t;
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namespace gpio {
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enum Levels {
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enum Levels: uint8_t {
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LOW = 0,
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HIGH = 1
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HIGH = 1,
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NONE = 99
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};
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enum Direction {
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enum Direction: uint8_t {
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IN = 0,
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OUT = 1
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};
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@ -24,16 +25,18 @@ enum GpioOperation {
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WRITE
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};
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enum GpioTypes {
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enum class GpioTypes {
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NONE,
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GPIO_REGULAR_BY_CHIP,
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GPIO_REGULAR_BY_LABEL,
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GPIO_REGULAR_BY_LINE_NAME,
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CALLBACK
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};
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static constexpr gpioId_t NO_GPIO = -1;
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using gpio_cb_t = void (*) (gpioId_t gpioId, gpio::GpioOperation gpioOp, int value, void* args);
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using gpio_cb_t = void (*) (gpioId_t gpioId, gpio::GpioOperation gpioOp, gpio::Levels value,
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void* args);
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}
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@ -57,7 +60,7 @@ public:
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GpioBase() = default;
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GpioBase(gpio::GpioTypes gpioType, std::string consumer, gpio::Direction direction,
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int initValue):
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gpio::Levels initValue):
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gpioType(gpioType), consumer(consumer),direction(direction), initValue(initValue) {}
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virtual~ GpioBase() {};
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@ -66,15 +69,21 @@ public:
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gpio::GpioTypes gpioType = gpio::GpioTypes::NONE;
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std::string consumer;
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gpio::Direction direction = gpio::Direction::IN;
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int initValue = 0;
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gpio::Levels initValue = gpio::Levels::NONE;
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};
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class GpiodRegularBase: public GpioBase {
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public:
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GpiodRegularBase(gpio::GpioTypes gpioType, std::string consumer, gpio::Direction direction,
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int initValue, int lineNum): GpioBase(gpioType, consumer, direction, initValue),
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lineNum(lineNum) {
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gpio::Levels initValue, int lineNum):
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GpioBase(gpioType, consumer, direction, initValue), lineNum(lineNum) {
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}
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// line number will be configured at a later point for the open by line name configuration
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GpiodRegularBase(gpio::GpioTypes gpioType, std::string consumer, gpio::Direction direction,
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gpio::Levels initValue): GpioBase(gpioType, consumer, direction, initValue) {
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}
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int lineNum = 0;
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struct gpiod_line* lineHandle = nullptr;
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};
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@ -87,7 +96,7 @@ public:
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}
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GpiodRegularByChip(std::string chipname_, int lineNum_, std::string consumer_,
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gpio::Direction direction_, int initValue_) :
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gpio::Direction direction_, gpio::Levels initValue_) :
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GpiodRegularBase(gpio::GpioTypes::GPIO_REGULAR_BY_CHIP,
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consumer_, direction_, initValue_, lineNum_),
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chipname(chipname_){
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@ -105,7 +114,7 @@ public:
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class GpiodRegularByLabel: public GpiodRegularBase {
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public:
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GpiodRegularByLabel(std::string label_, int lineNum_, std::string consumer_,
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gpio::Direction direction_, int initValue_) :
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gpio::Direction direction_, gpio::Levels initValue_) :
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GpiodRegularBase(gpio::GpioTypes::GPIO_REGULAR_BY_LABEL, consumer_,
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direction_, initValue_, lineNum_),
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label(label_) {
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@ -120,9 +129,30 @@ public:
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std::string label;
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};
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/**
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* @brief Passing this GPIO configuration to the GPIO IF object will try to open the GPIO by its
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* line name. This line name can be set in the device tree and must be unique. Otherwise
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* the driver will open the first line with the given name.
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*/
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class GpiodRegularByLineName: public GpiodRegularBase {
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public:
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GpiodRegularByLineName(std::string lineName_, std::string consumer_, gpio::Direction direction_,
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gpio::Levels initValue_) :
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GpiodRegularBase(gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME, consumer_, direction_,
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initValue_), lineName(lineName_) {
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}
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GpiodRegularByLineName(std::string lineName_, std::string consumer_) :
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GpiodRegularBase(gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME, consumer_,
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gpio::Direction::IN, gpio::LOW), lineName(lineName_) {
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}
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std::string lineName;
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};
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class GpioCallback: public GpioBase {
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public:
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GpioCallback(std::string consumer, gpio::Direction direction_, int initValue_,
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GpioCallback(std::string consumer, gpio::Direction direction_, gpio::Levels initValue_,
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gpio::gpio_cb_t callback, void* callbackArgs):
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GpioBase(gpio::GpioTypes::CALLBACK, consumer, direction_, initValue_),
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callback(callback), callbackArgs(callbackArgs) {}
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@ -1,8 +1,9 @@
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#include "fsfw_hal/linux/gpio/LinuxLibgpioIF.h"
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#include "LinuxLibgpioIF.h"
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#include "fsfw_hal/common/gpio/gpioDefinitions.h"
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#include "fsfw_hal/common/gpio/GpioCookie.h"
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#include <fsfw/serviceinterface/ServiceInterface.h>
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include <utility>
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#include <unistd.h>
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@ -66,6 +67,14 @@ ReturnValue_t LinuxLibgpioIF::configureGpios(GpioMap& mapToAdd) {
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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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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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@ -84,13 +93,13 @@ ReturnValue_t LinuxLibgpioIF::configureGpioByLabel(gpioId_t gpioId,
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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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sif::warning << "LinuxLibgpioIF::configureRegularGpio: Failed to open gpio from gpio "
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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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return RETURN_FAILED;
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}
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std::string failOutput = "label: " + label;
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return configureRegularGpio(gpioId, gpioByLabel.gpioType, chip, gpioByLabel, failOutput);
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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,
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@ -98,16 +107,41 @@ ReturnValue_t LinuxLibgpioIF::configureGpioByChip(gpioId_t gpioId,
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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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sif::warning << "LinuxLibgpioIF::configureRegularGpio: Failed to open chip "
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sif::warning << "LinuxLibgpioIF::configureGpioByChip: Failed to open chip "
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<< chipname << ". Gpio ID: " << gpioId << std::endl;
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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, gpioByChip.gpioType, chip, gpioByChip, failOutput);
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return configureRegularGpio(gpioId, chip, gpioByChip, failOutput);
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}
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ReturnValue_t LinuxLibgpioIF::configureRegularGpio(gpioId_t gpioId, gpio::GpioTypes gpioType,
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struct gpiod_chip* chip, GpiodRegularBase& regularGpio, std::string failOutput) {
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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 = gpiod_ctxless_find_line(lineName.c_str(), chipname, MAX_CHIPNAME_LENGTH,
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&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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sif::warning << "LinuxLibgpioIF::configureGpioByLineName: Failed to open chip "
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<< chipname << ". <Gpio ID: " << gpioId << std::endl;
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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, 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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@ -132,22 +166,10 @@ ReturnValue_t LinuxLibgpioIF::configureRegularGpio(gpioId_t gpioId, gpio::GpioTy
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case(gpio::OUT): {
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result = gpiod_line_request_output(lineHandle, consumer.c_str(),
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regularGpio.initValue);
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if (result < 0) {
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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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gpiod_line_release(lineHandle);
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return RETURN_FAILED;
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}
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break;
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}
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case(gpio::IN): {
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result = gpiod_line_request_input(lineHandle, consumer.c_str());
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if (result < 0) {
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sif::error << "LinuxLibgpioIF::configureGpios: Failed to request line "
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<< lineNum << " from GPIO instance with ID: " << gpioId << std::endl;
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gpiod_line_release(lineHandle);
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return RETURN_FAILED;
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}
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break;
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}
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default: {
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@ -156,6 +178,18 @@ ReturnValue_t LinuxLibgpioIF::configureRegularGpio(gpioId_t gpioId, gpio::GpioTy
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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 " <<
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lineNum << " from GPIO instance with ID: " << gpioId << std::endl;
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#else
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sif::printError("LinuxLibgpioIF::configureRegularGpio: "
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"Failed to request line %d from GPIO instance with ID: %d\n", 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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@ -173,8 +207,9 @@ ReturnValue_t LinuxLibgpioIF::pullHigh(gpioId_t gpioId) {
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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) {
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if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP
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or gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL
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or 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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@ -187,7 +222,7 @@ ReturnValue_t LinuxLibgpioIF::pullHigh(gpioId_t gpioId) {
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return GPIO_INVALID_INSTANCE;
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}
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gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::WRITE,
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1, gpioCallback->callbackArgs);
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gpio::Levels::HIGH, 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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@ -196,13 +231,18 @@ ReturnValue_t LinuxLibgpioIF::pullHigh(gpioId_t gpioId) {
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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) {
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if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP
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or gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL
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or 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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@ -215,7 +255,7 @@ ReturnValue_t LinuxLibgpioIF::pullLow(gpioId_t gpioId) {
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return GPIO_INVALID_INSTANCE;
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}
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gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::WRITE,
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0, gpioCallback->callbackArgs);
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gpio::Levels::LOW, 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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@ -225,8 +265,13 @@ ReturnValue_t LinuxLibgpioIF::driveGpio(gpioId_t gpioId,
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GpiodRegularBase& regularGpio, gpio::Levels logicLevel) {
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int result = gpiod_line_set_value(regularGpio.lineHandle, logicLevel);
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if (result < 0) {
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#if FSFW_CPP_OSTREAM_ENABLED == 1
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sif::warning << "LinuxLibgpioIF::driveGpio: Failed to pull GPIO with ID " << gpioId <<
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" to logic level " << logicLevel << std::endl;
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#else
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sif::printWarning("LinuxLibgpioIF::driveGpio: Failed to pull GPIO with ID %d to "
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"logic level %d\n", gpioId, logicLevel);
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#endif
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return DRIVE_GPIO_FAILURE;
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}
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@ -236,12 +281,18 @@ ReturnValue_t LinuxLibgpioIF::driveGpio(gpioId_t gpioId,
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ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, int* gpioState) {
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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::readGpio: Unknown GPIOD ID " << gpioId << std::endl;
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#else
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sif::printWarning("LinuxLibgpioIF::readGpio: Unknown GPIOD 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) {
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if (gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_CHIP
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or gpioType == gpio::GpioTypes::GPIO_REGULAR_BY_LABEL
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or 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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@ -249,10 +300,14 @@ ReturnValue_t LinuxLibgpioIF::readGpio(gpioId_t gpioId, int* gpioState) {
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*gpioState = gpiod_line_get_value(regularGpio->lineHandle);
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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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return GPIO_INVALID_INSTANCE;
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}
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gpioCallback->callback(gpioMapIter->first, gpio::GpioOperation::READ,
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gpio::Levels::NONE, gpioCallback->callbackArgs);
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return RETURN_OK;
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}
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return RETURN_OK;
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}
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@ -262,13 +317,14 @@ ReturnValue_t LinuxLibgpioIF::checkForConflicts(GpioMap& mapToAdd){
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for(auto& gpioConfig: mapToAdd) {
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switch(gpioConfig.second->gpioType) {
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case(gpio::GpioTypes::GPIO_REGULAR_BY_CHIP):
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case(gpio::GpioTypes::GPIO_REGULAR_BY_LABEL): {
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case(gpio::GpioTypes::GPIO_REGULAR_BY_LABEL):
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case(gpio::GpioTypes::GPIO_REGULAR_BY_LINE_NAME): {
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auto regularGpio = dynamic_cast<GpiodRegularBase*>(gpioConfig.second);
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if(regularGpio == nullptr) {
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return GPIO_TYPE_FAILURE;
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}
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/* Check for conflicts and remove duplicates if necessary */
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result = checkForConflictsRegularGpio(gpioConfig.first, *regularGpio, mapToAdd);
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// Check for conflicts and remove duplicates if necessary
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result = checkForConflictsById(gpioConfig.first, gpioConfig.second->gpioType, mapToAdd);
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if(result != HasReturnvaluesIF::RETURN_OK) {
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status = result;
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}
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@ -279,66 +335,108 @@ ReturnValue_t LinuxLibgpioIF::checkForConflicts(GpioMap& mapToAdd){
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if(callbackGpio == nullptr) {
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return GPIO_TYPE_FAILURE;
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}
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/* Check for conflicts and remove duplicates if necessary */
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result = checkForConflictsCallbackGpio(gpioConfig.first, callbackGpio, mapToAdd);
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// Check for conflicts and remove duplicates if necessary
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result = checkForConflictsById(gpioConfig.first,
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gpioConfig.second->gpioType, mapToAdd);
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if(result != HasReturnvaluesIF::RETURN_OK) {
|
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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::checkForConflictsRegularGpio(gpioId_t gpioIdToCheck,
|
||||
GpiodRegularBase& gpioToCheck, GpioMap& mapToAdd) {
|
||||
/* Cross check with private map */
|
||||
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;
|
||||
if(gpioType != gpio::GpioTypes::GPIO_REGULAR_BY_CHIP and
|
||||
gpioType != gpio::GpioTypes::GPIO_REGULAR_BY_LABEL) {
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflicts: ID already exists for different "
|
||||
"GPIO type" << gpioIdToCheck << ". Removing duplicate." << std::endl;
|
||||
mapToAdd.erase(gpioIdToCheck);
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
bool eraseDuplicateDifferentType = false;
|
||||
switch(expectedType) {
|
||||
case(gpio::GpioTypes::NONE): {
|
||||
break;
|
||||
}
|
||||
auto ownRegularGpio = dynamic_cast<GpiodRegularBase*>(gpioMapIter->second);
|
||||
if(ownRegularGpio == nullptr) {
|
||||
return GPIO_TYPE_FAILURE;
|
||||
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 */
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflictsRegularGpio: Duplicate GPIO definition"
|
||||
<< " detected. Duplicate will be removed from map to add." << std::endl;
|
||||
// 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;
|
||||
}
|
||||
|
||||
ReturnValue_t LinuxLibgpioIF::checkForConflictsCallbackGpio(gpioId_t gpioIdToCheck,
|
||||
GpioCallback *callbackGpio, GpioMap& mapToAdd) {
|
||||
/* Cross check with private map */
|
||||
gpioMapIter = gpioMap.find(gpioIdToCheck);
|
||||
if(gpioMapIter != gpioMap.end()) {
|
||||
if(gpioMapIter->second->gpioType != gpio::GpioTypes::CALLBACK) {
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflicts: ID already exists for different "
|
||||
"GPIO type" << gpioIdToCheck << ". Removing duplicate." << std::endl;
|
||||
mapToAdd.erase(gpioIdToCheck);
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
}
|
||||
|
||||
/* Remove element from map to add because a entry for this GPIO
|
||||
already exists */
|
||||
sif::warning << "LinuxLibgpioIF::checkForConflictsRegularGpio: Duplicate GPIO definition"
|
||||
<< " detected. Duplicate will be removed from map to add." << std::endl;
|
||||
mapToAdd.erase(gpioIdToCheck);
|
||||
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;
|
||||
}
|
||||
return HasReturnvaluesIF::RETURN_OK;
|
||||
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
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,19 +1,19 @@
|
|||
#ifndef LINUX_GPIO_LINUXLIBGPIOIF_H_
|
||||
#define LINUX_GPIO_LINUXLIBGPIOIF_H_
|
||||
|
||||
#include "../../common/gpio/GpioIF.h"
|
||||
#include <returnvalues/classIds.h>
|
||||
#include <fsfw/objectmanager/SystemObject.h>
|
||||
#include "fsfw/returnvalues/FwClassIds.h"
|
||||
#include "fsfw_hal/common/gpio/GpioIF.h"
|
||||
#include "fsfw/objectmanager/SystemObject.h"
|
||||
|
||||
class GpioCookie;
|
||||
class GpiodRegularIF;
|
||||
|
||||
/**
|
||||
* @brief This class implements the GpioIF for a linux based system. The
|
||||
* 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.
|
||||
* @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:
|
||||
|
|
@ -28,6 +28,8 @@ public:
|
|||
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);
|
||||
|
||||
LinuxLibgpioIF(object_id_t objectId);
|
||||
virtual ~LinuxLibgpioIF();
|
||||
|
|
@ -38,7 +40,13 @@ public:
|
|||
ReturnValue_t readGpio(gpioId_t gpioId, int* gpioState) override;
|
||||
|
||||
private:
|
||||
/* Holds the information and configuration of all used GPIOs */
|
||||
|
||||
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;
|
||||
|
||||
|
|
@ -53,8 +61,10 @@ private:
|
|||
|
||||
ReturnValue_t configureGpioByLabel(gpioId_t gpioId, GpiodRegularByLabel& gpioByLabel);
|
||||
ReturnValue_t configureGpioByChip(gpioId_t gpioId, GpiodRegularByChip& gpioByChip);
|
||||
ReturnValue_t configureRegularGpio(gpioId_t gpioId, gpio::GpioTypes gpioType,
|
||||
struct gpiod_chip* chip, GpiodRegularBase& regularGpio, std::string failOutput);
|
||||
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
|
||||
|
|
@ -67,16 +77,15 @@ private:
|
|||
*/
|
||||
ReturnValue_t checkForConflicts(GpioMap& mapToAdd);
|
||||
|
||||
ReturnValue_t checkForConflictsRegularGpio(gpioId_t gpiodId, GpiodRegularBase& regularGpio,
|
||||
ReturnValue_t checkForConflictsById(gpioId_t gpiodId, gpio::GpioTypes type,
|
||||
GpioMap& mapToAdd);
|
||||
ReturnValue_t checkForConflictsCallbackGpio(gpioId_t gpiodId, GpioCallback* regularGpio,
|
||||
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_ */
|
||||
|
|
|
|||
Loading…
Reference in New Issue