Adding Qt GOS port

1 files changed, 222 insertions, 0 deletions

diff --git a/src/gos/gos_qt.cpp b/src/gos/gos_qt.cpp
new file mode 100644
index 00000000..1708a478
--- /dev/null
+++ b/src/gos/gos_qt.cpp
@@ -0,0 +1,222 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#include "../../gfx.h"
+
+#include <QMutex>
+#include <QSemaphore>
+#include <QThread>
+#include <QElapsedTimer>
+
+#if GFX_USE_OS_QT
+
+class Thread : public QThread
+{
+public:
+    typedef threadreturn_t (*fptr)(void* param);
+
+    void setFunction(fptr function, void* param)
+    {
+        _function = function;
+        _param = param;
+    }
+
+    threadreturn_t returnValue()
+    {
+        return _returnValue;
+    }
+
+    virtual void run() override
+    {
+        if (!_function) {
+            return;
+        }
+
+        _returnValue = _function(_param);
+    }
+
+private:
+    fptr _function;
+    void* _param;
+    threadreturn_t _returnValue;
+};
+
+static QElapsedTimer _systickTimer;
+static QMutex _systemMutex;
+
+void _gosInit(void)
+{
+    _systickTimer.start();
+}
+
+void _gosDeinit(void)
+{
+}
+
+void gfxHalt(const char *msg)
+{
+    volatile uint32_t dummy;
+
+    (void)msg;
+
+    while(1) {
+        dummy++;
+    }
+}
+
+void gfxExit(void)
+{
+    volatile uint32_t dummy;
+
+    while(1) {
+        dummy++;
+    }
+}
+
+void* gfxAlloc(size_t sz)
+{
+    return malloc(sz);
+}
+
+void gfxFree(void* ptr)
+{
+    free(ptr);
+}
+
+void gfxYield(void)
+{
+    QThread::msleep(0);
+}
+
+void gfxSleepMilliseconds(delaytime_t ms)
+{
+    QThread::msleep(ms);
+}
+
+void gfxSleepMicroseconds(delaytime_t us)
+{
+    QThread::usleep(us);
+}
+
+systemticks_t gfxSystemTicks(void)
+{
+    return _systickTimer.elapsed();
+}
+
+systemticks_t gfxMillisecondsToTicks(delaytime_t ms)
+{
+    return ms;
+}
+
+void gfxSystemLock(void)
+{
+    _systemMutex.lock();
+}
+
+void gfxSystemUnlock(void)
+{
+    _systemMutex.unlock();
+}
+
+void gfxMutexInit(gfxMutex *pmutex)
+{
+    *pmutex = new QMutex;
+}
+
+void gfxMutexDestroy(gfxMutex *pmutex)
+{
+    delete static_cast<QMutex*>(*pmutex);
+}
+
+void gfxMutexEnter(gfxMutex *pmutex)
+{
+    static_cast<QMutex*>(*pmutex)->lock();
+}
+
+void gfxMutexExit(gfxMutex *pmutex)
+{
+    static_cast<QMutex*>(*pmutex)->unlock();
+}
+
+void gfxSemInit(gfxSem *psem, semcount_t val, semcount_t limit)
+{
+    *psem = new QSemaphore(limit);
+
+    static_cast<QSemaphore*>(*psem)->release(val);
+}
+
+void gfxSemDestroy(gfxSem *psem)
+{
+    delete static_cast<QSemaphore*>(*psem);
+}
+
+bool_t gfxSemWait(gfxSem *psem, delaytime_t ms)
+{
+    return static_cast<QSemaphore*>(*psem)->tryAcquire(1, ms);
+}
+
+bool_t gfxSemWaitI(gfxSem *psem)
+{
+    return static_cast<QSemaphore*>(*psem)->tryAcquire(1);
+}
+
+void gfxSemSignal(gfxSem *psem)
+{
+    static_cast<QSemaphore*>(*psem)->release(1);
+}
+
+void gfxSemSignalI(gfxSem *psem)
+{
+    static_cast<QSemaphore*>(*psem)->release(1);
+}
+
+semcount_t gfxSemCounter(gfxSem *psem)
+{
+    return static_cast<QSemaphore*>(*psem)->available();
+}
+
+semcount_t gfxSemCounterI(gfxSem *psem)
+{
+    return static_cast<QSemaphore*>(*psem)->available();
+}
+
+gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param)
+{
+    Q_UNUSED(stackarea)
+
+    Thread* thread = new Thread;
+    thread->setFunction(fn, param);
+    if (stacksz > 0) {
+        thread->setStackSize(stacksz);
+    }
+    thread->start(static_cast<QThread::Priority>(prio));
+
+    return static_cast<gfxThreadHandle>(thread);
+}
+
+threadreturn_t gfxThreadWait(gfxThreadHandle thread)
+{
+    Thread* t = static_cast<Thread*>(thread);
+
+    threadreturn_t returnValue = t->returnValue();
+    t->wait();
+    t->exit();
+
+    return returnValue;
+}
+
+gfxThreadHandle gfxThreadMe(void)
+{
+    return static_cast<Thread*>(QThread::currentThread());
+}
+
+void gfxThreadClose(gfxThreadHandle thread)
+{
+    static_cast<Thread*>(thread)->exit();
+}
+
+#endif /* GFX_USE_OS_QT */