| 1 | // Copyright (C) 2017 Ford Motor Company. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef PASSTHRUCAN_PASSTHRUCANIO_H |
| 5 | #define PASSTHRUCAN_PASSTHRUCANIO_H |
| 6 | |
| 7 | #include "j2534passthru.h" |
| 8 | |
| 9 | #include <QtSerialBus/qcanbusdevice.h> |
| 10 | #include <QtSerialBus/qcanbusframe.h> |
| 11 | #include <QByteArray> |
| 12 | #include <QList> |
| 13 | #include <QMutex> |
| 14 | #include <QObject> |
| 15 | #include <QString> |
| 16 | #include <QTimer> |
| 17 | #include <QVariant> |
| 18 | |
| 19 | QT_BEGIN_NAMESPACE |
| 20 | |
| 21 | class PassThruCanIO : public QObject |
| 22 | { |
| 23 | Q_OBJECT |
| 24 | Q_DISABLE_COPY(PassThruCanIO) |
| 25 | public: |
| 26 | static const uint pollTimeout = 100; // ms |
| 27 | |
| 28 | explicit PassThruCanIO(QObject *parent = nullptr); |
| 29 | virtual ~PassThruCanIO(); |
| 30 | |
| 31 | Q_INVOKABLE void open(const QString &library, const QByteArray &subDev, uint bitRate); |
| 32 | Q_INVOKABLE void close(); |
| 33 | Q_INVOKABLE void applyConfig(QCanBusDevice::ConfigurationKey key, const QVariant &value); |
| 34 | Q_INVOKABLE void listen(); |
| 35 | |
| 36 | // Internally locked; safe to call directly from any thread. |
| 37 | bool enqueueMessage(const QCanBusFrame &frame); |
| 38 | |
| 39 | Q_SIGNALS: |
| 40 | void errorOccurred(const QString &description, QCanBusDevice::CanBusError error); |
| 41 | void messagesReceived(QList<QCanBusFrame> frames); |
| 42 | void messagesSent(qint64 count); |
| 43 | void openFinished(bool success); |
| 44 | void closeFinished(); |
| 45 | |
| 46 | private: |
| 47 | bool setMessageFilters(const QList<QCanBusDevice::Filter> &filters); |
| 48 | bool setConfigValue(J2534::Config::Parameter param, ulong value); |
| 49 | void pollForMessages(); |
| 50 | bool writeMessages(); |
| 51 | void readMessages(bool writePending); |
| 52 | |
| 53 | J2534::PassThru * m_passThru = nullptr; |
| 54 | J2534::PassThru::Handle m_deviceId = 0; |
| 55 | J2534::PassThru::Handle m_channelId = 0; |
| 56 | QTimer * m_idleNotifier = nullptr; |
| 57 | QList<J2534::Message> m_ioBuffer; |
| 58 | QMutex m_writeGuard; |
| 59 | QList<QCanBusFrame> m_writeQueue; |
| 60 | }; |
| 61 | |
| 62 | QT_END_NAMESPACE |
| 63 | |
| 64 | #endif // PASSTHRUCAN_PASSTHRUCANIO_H |
| 65 |