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/**
* @file hidcontroller.h
* @author Sean M. Pappalardo spappalardo@mixxx.org
* @date Sun May 1 2011
* @brief HID controller backend
*/
#ifndef HIDCONTROLLER_H
#define HIDCONTROLLER_H
#include <hidapi.h>
#include <QAtomicInt>
#include "controllers/controller.h"
#include "controllers/hid/hidcontrollerpreset.h"
#include "controllers/hid/hidcontrollerpresetfilehandler.h"
#include "util/duration.h"
class HidController final : public Controller {
Q_OBJECT
public:
HidController(const hid_device_info& deviceInfo, UserSettingsPointer pConfig);
~HidController() override;
QString presetExtension() override;
ControllerPresetPointer getPreset() const override {
HidControllerPreset* pClone = new HidControllerPreset();
*pClone = m_preset;
return ControllerPresetPointer(pClone);
}
void visit(const MidiControllerPreset* preset) override;
void visit(const HidControllerPreset* preset) override;
void accept(ControllerVisitor* visitor) override {
if (visitor) {
visitor->visit(this);
}
}
bool isMappable() const override {
return m_preset.isMappable();
}
bool matchPreset(const PresetInfo& preset) override;
static QString safeDecodeWideString(const wchar_t* pStr, size_t max_length);
protected:
Q_INVOKABLE void send(QList<int> data, unsigned int length, unsigned int reportID = 0);
private slots:
int open() override;
int close() override;
bool poll() override;
bool isPolling() const override;
private:
// For devices which only support a single report, reportID must be set to
// 0x0.
void send(QByteArray data) override;
void virtual send(QByteArray data, unsigned int reportID);
// Returns a pointer to the currently loaded controller preset. For internal
// use only.
ControllerPreset* preset() override {
return &m_preset;
}
bool matchProductInfo(const ProductInfo& product);
void guessDeviceCategory();
// Local copies of things we need from hid_device_info
int hid_interface_number;
unsigned short hid_vendor_id;
unsigned short hid_product_id;
unsigned short hid_usage_page;
unsigned short hid_usage;
char* hid_path;
wchar_t* hid_serial_raw;
QString hid_serial;
QString hid_manufacturer;
QString hid_product;
QString m_sUID;
hid_device* m_pHidDevice;
HidControllerPreset m_preset;
static constexpr int kNumBuffers = 2;
static constexpr int kBufferSize = 255;
unsigned char m_pPollData[kNumBuffers][kBufferSize];
int m_iPollingBufferIndex;
};
#endif
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