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port/qt-usb: support event handles on windows using QWinEventNotifier

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This commit is contained in:
Matthias Ringwald 2020-02-24 15:35:26 +01:00
parent aaf1052f76
commit 9988cd6f47
2 changed files with 84 additions and 5 deletions
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82
platform/qt/btstack_run_loop_qt.cpp
View File

@ -54,7 +54,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/select.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
@ -72,6 +71,58 @@ static struct timeval init_tv;
static BTstackRunLoopQt * btstack_run_loop_object;
#ifdef Q_OS_WIN
#include <QHash>
// associate each data source with QWinEventNotifier
static QHash<btstack_data_source_t *, QWinEventNotifier *> win_event_notifiers;
#endif
void btstack_run_loop_qt_add_data_source(btstack_data_source_t *ds){
#ifdef Q_OS_WIN
QWinEventNotifier * win_notifier = new QWinEventNotifier(ds->source.handle);
win_event_notifiers.insert(ds, win_notifier);
QObject::connect(win_notifier, SIGNAL(activated(HANDLE)),
btstack_run_loop_object, SLOT(processDataSource(HANDLE)));
bool enabled = (ds->flags & (DATA_SOURCE_CALLBACK_READ | DATA_SOURCE_CALLBACK_WRITE)) != 0;
win_notifier->setEnabled(enabled);
log_debug("add data source %p with handle %p", ds, ds->source.handle);
#endif
btstack_run_loop_base_add_data_source(ds);
}
bool btstack_run_loop_qt_remove_data_source(btstack_data_source_t *ds){
#ifdef Q_OS_WIN
QWinEventNotifier * win_notifier = win_event_notifiers.value(ds, NULL);
if (win_notifier){
win_event_notifiers.remove(ds);
free(win_notifier);
}
#endif
return btstack_run_loop_base_remove_data_source(ds);
}
void btstack_run_loop_qt_enable_data_source_callbacks(btstack_data_source_t * ds, uint16_t callback_types){
btstack_run_loop_base_enable_data_source_callbacks(ds, callback_types);
#ifdef Q_OS_WIN
QWinEventNotifier * win_notifier = win_event_notifiers.value(ds, NULL);
if (win_notifier){
bool enabled = (ds->flags & (DATA_SOURCE_CALLBACK_READ | DATA_SOURCE_CALLBACK_WRITE)) != 0;
win_notifier->setEnabled(enabled);
}
#endif
}
void btstack_run_loop_qt_disable_data_source_callbacks(btstack_data_source_t * ds, uint16_t callback_types){
btstack_run_loop_base_disable_data_source_callbacks(ds, callback_types);
#ifdef Q_OS_WIN
QWinEventNotifier * win_notifier = win_event_notifiers.value(ds, NULL);
if (win_notifier){
bool enabled = (ds->flags & (DATA_SOURCE_CALLBACK_READ | DATA_SOURCE_CALLBACK_WRITE)) != 0;
win_notifier->setEnabled(enabled);
}
#endif
}
#ifdef _POSIX_MONOTONIC_CLOCK
/**
* @brief Returns the timespec which represents the time(stop - start). It might be negative
@ -161,6 +212,27 @@ void BTstackRunLoopQt::processTimers(){
QTimer::singleShot((uint32_t)next_timeout_after, this, SLOT(processTimers()));
}
}
#ifdef Q_OS_WIN
void BTstackRunLoopQt::processDataSource(HANDLE handle){
log_debug("lookup data source for handle %p, sender %p", handle, QObject::sender());
// find ds
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, &btstack_run_loop_base_data_sources);
while (btstack_linked_list_iterator_has_next(&it)){
btstack_data_source_t *ds = (btstack_data_source_t*) btstack_linked_list_iterator_next(&it);
if (handle == ds->source.handle){
if (ds->flags & DATA_SOURCE_CALLBACK_READ){
log_debug("process read ds %p with handle %p", ds, ds->source.handle);
ds->process(ds, DATA_SOURCE_CALLBACK_READ);
} else if (ds->flags & DATA_SOURCE_CALLBACK_WRITE){
log_debug("process write ds %p with handle %p", ds, ds->source.handle);
ds->process(ds, DATA_SOURCE_CALLBACK_WRITE);
}
break;
}
}
}
#endif
static void btstack_run_loop_qt_init(void){
@ -189,10 +261,10 @@ static void btstack_run_loop_qt_dump_timer(void){
static const btstack_run_loop_t btstack_run_loop_qt = {
&btstack_run_loop_qt_init,
&btstack_run_loop_base_add_data_source,
&btstack_run_loop_base_remove_data_source,
&btstack_run_loop_base_enable_data_source_callbacks,
&btstack_run_loop_base_disable_data_source_callbacks,
&btstack_run_loop_qt_add_data_source,
&btstack_run_loop_qt_remove_data_source,
&btstack_run_loop_qt_enable_data_source_callbacks,
&btstack_run_loop_qt_disable_data_source_callbacks,
&btstack_run_loop_qt_set_timer,
&btstack_run_loop_qt_add_timer,
&btstack_run_loop_base_remove_timer,

7
platform/qt/btstack_run_loop_qt.h
View File

@ -49,10 +49,17 @@
#if defined __cplusplus
#include <QObject>
#include <QTimer>
#ifdef Q_OS_WIN
#include <windows.h>
#include <QWinEventNotifier>
#endif
class BTstackRunLoopQt : public QObject {
Q_OBJECT
public slots:
void processTimers(void);
#ifdef Q_OS_WIN
void processDataSource(HANDLE handle);
#endif
};
#endif