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94 lines
1.8 KiB
C++
94 lines
1.8 KiB
C++
#ifndef PROVIDERHID_H
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#define PROVIDERHID_H
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// libusb include
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#include <hidapi/hidapi.h>
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// Leddevice includes
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#include <leddevice/LedDevice.h>
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///
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/// The ProviderHID implements an abstract base-class for LedDevices using an HID-device.
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///
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class ProviderHID : public LedDevice
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{
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Q_OBJECT
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public:
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///
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/// @brief Constructs a HID (USB) LED-device
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///
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/// @param deviceConfig Device's configuration as JSON-Object
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///
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ProviderHID(const QJsonObject &deviceConfig);
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///
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/// @brief Destructor of the LedDevice
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///
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~ProviderHID() override;
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///
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/// @brief Discover HIB (USB) devices available (for configuration).
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///
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/// @return A JSON structure holding a list of devices found
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///
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QJsonObject discover() override;
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protected:
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///
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/// @brief Initialise the device's configuration
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///
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/// @param[in] deviceConfig the JSON device configuration
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/// @return True, if success
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///
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bool init(const QJsonObject &deviceConfig) override;
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///
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/// @brief Opens the output device.
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///
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/// @return Zero on success (i.e. device is ready), else negative
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///
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int open() override;
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///
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/// @brief Closes the output device.
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///
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/// @return Zero on success (i.e. device is closed), else negative
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///
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int close() override;
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///
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/// @brief Write the given bytes to the HID-device
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///
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/// @param[in[ size The length of the data
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/// @param[in] data The data
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/// @return Zero on success, else negative
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///
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int writeBytes(unsigned size, const uint8_t *data);
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// HID VID and PID
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unsigned short _VendorId;
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unsigned short _ProductId;
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bool _useFeature;
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/// libusb device handle
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hid_device * _deviceHandle;
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/// Sleep after the connect before continuing
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int _delayAfterConnect_ms;
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bool _blockedForDelay;
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private slots:
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/// Unblock the device after a connection delay
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void unblockAfterDelay();
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private:
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};
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#endif // PROVIDERHID_H
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