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Dynamic Device Selection/Configuration (#1164)

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This commit is contained in:
LordGrey
2021-04-24 19:37:29 +02:00
committed by GitHub
parent a4d98fd916
commit 7eeb740177
48 changed files with 4296 additions and 2567 deletions
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41
libsrc/leddevice/dev_spi/ProviderSpi.cpp
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@@ -14,6 +14,19 @@
#include "ProviderSpi.h"
#include <utils/Logger.h>
// qt includes
#include <QDir>
// Constants
namespace {
const bool verbose = false;
// SPI discovery service
const char DISCOVERY_DIRECTORY[] = "/dev/";
const char DISCOVERY_FILEPATTERN[] = "spidev*";
} //End of constants
ProviderSpi::ProviderSpi(const QJsonObject &deviceConfig)
: LedDevice(deviceConfig)
, _deviceName("/dev/spidev0.0")
@@ -148,3 +161,31 @@ int ProviderSpi::writeBytes(unsigned size, const uint8_t * data)
return retVal;
}
QJsonObject ProviderSpi::discover(const QJsonObject& /*params*/)
{
QJsonObject devicesDiscovered;
devicesDiscovered.insert("ledDeviceType", _activeDeviceType );
QJsonArray deviceList;
QDir deviceDirectory (DISCOVERY_DIRECTORY);
QStringList deviceFilter(DISCOVERY_FILEPATTERN);
deviceDirectory.setNameFilters(deviceFilter);
deviceDirectory.setSorting(QDir::Name);
QFileInfoList deviceFiles = deviceDirectory.entryInfoList(QDir::System);
QFileInfoList::const_iterator deviceFileIterator;
for (deviceFileIterator = deviceFiles.constBegin(); deviceFileIterator != deviceFiles.constEnd(); ++deviceFileIterator)
{
QJsonObject deviceInfo;
deviceInfo.insert("deviceName", (*deviceFileIterator).fileName().remove(0,6));
deviceInfo.insert("systemLocation", (*deviceFileIterator).absoluteFilePath());
deviceList.append(deviceInfo);
}
devicesDiscovered.insert("devices", deviceList);
DebugIf(verbose,_log, "devicesDiscovered: [%s]", QString(QJsonDocument(devicesDiscovered).toJson(QJsonDocument::Compact)).toUtf8().constData());
return devicesDiscovered;
}

6
libsrc/leddevice/dev_spi/ProviderSpi.h
View File

@@ -36,6 +36,12 @@ public:
///
int open() override;
/// @param[in] params Parameters used to overwrite discovery default behaviour
///
/// @return A JSON structure holding a list of devices found
///
QJsonObject discover(const QJsonObject& params) override;
public slots:
///
/// Closes the output device.