138 lines
2.9 KiB
C++
138 lines
2.9 KiB
C++
#pragma once
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// stl includes
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#include <cstdint>
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// libusb include
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#include <libusb.h>
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// Hyperion includes
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#include <leddevice/LedDevice.h>
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///
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/// LedDevice implementation for a lightpack device (http://code.google.com/p/light-pack/)
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///
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class LedDeviceLightpack : public LedDevice
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{
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public:
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///
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/// Constructs the LedDeviceLightpack
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///
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/// @param serialNumber serial output device
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///
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LedDeviceLightpack(const QString & serialNumber = "");
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///
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/// Constructs specific LedDevice
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///
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/// @param deviceConfig json device config
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///
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explicit LedDeviceLightpack(const QJsonObject &deviceConfig);
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///
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/// Sets configuration
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///
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/// @param deviceConfig the json device config
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/// @return true if success
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bool init(const QJsonObject &deviceConfig) override;
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/// constructs leddevice
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static LedDevice* construct(const QJsonObject &deviceConfig);
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///
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/// Destructor of the LedDevice; closes the output device if it is open
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///
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virtual ~LedDeviceLightpack() override;
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///
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/// Opens and configures the output device
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///
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/// @return Zero on succes else negative
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///
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int open() override;
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///
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/// Writes the RGB-Color values to the leds.
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///
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/// @param[in] ledValues Array of RGB values
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/// @param[in] size The number of RGB values
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///
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/// @return Zero on success else negative
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///
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int write(const ColorRgb * ledValues, int size);
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///
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/// Switch the leds off
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///
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/// @return Zero on success else negative
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///
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virtual int switchOff() override;
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/// Get the serial of the Lightpack
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const QString & getSerialNumber() const;
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public slots:
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///
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/// Closes the output device.
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/// Includes switching-off the device and stopping refreshes
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///
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virtual void close() override;
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protected:
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private:
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///
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/// Writes the RGB-Color values to the leds.
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///
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/// @param[in] ledValues The RGB-color per led
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///
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/// @return Zero on success else negative
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///
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virtual int write(const std::vector<ColorRgb>& ledValues);
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///
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/// Test if the device is a (or the) lightpack we are looking for
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///
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/// @return Zero on succes else negative
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///
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int testAndOpen(libusb_device * device, const QString & requestedSerialNumber);
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/// write bytes to the device
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int writeBytes(uint8_t *data, int size);
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/// Disable the internal smoothing on the Lightpack device
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int disableSmoothing();
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struct Version
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{
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int majorVersion;
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int minorVersion;
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};
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static libusb_device_handle * openDevice(libusb_device * device);
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static QString getString(libusb_device * device, int stringDescriptorIndex);
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/// libusb context
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libusb_context * _libusbContext;
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/// libusb device handle
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libusb_device_handle * _deviceHandle;
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/// harware bus number
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int _busNumber;
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/// hardware address number
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int _addressNumber;
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/// device serial number
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QString _serialNumber;
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/// firmware version of the device
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Version _firmwareVersion;
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/// the number of bits per channel
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int _bitsPerChannel;
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/// count of real hardware leds
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int _hwLedCount;
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};
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