160 lines
3.3 KiB
C++
160 lines
3.3 KiB
C++
#ifndef LEDEVICELIGHTPACK_H
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#define LEDEVICELIGHTPACK_H
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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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/// @brief Constructs a Lightpack LED-device
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///
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/// @param serialNumber serial output device
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///
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explicit LedDeviceLightpack(const QString & serialNumber = "");
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///
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/// @brief Constructs a Lightpack 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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explicit LedDeviceLightpack(const QJsonObject &deviceConfig);
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///
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/// @brief Destructor of the LedDevice
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///
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~LedDeviceLightpack() override;
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///
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/// @brief Constructs the LED-device
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///
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/// @param[in] deviceConfig Device's configuration as JSON-Object
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/// @return LedDevice constructed
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///
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static LedDevice* construct(const QJsonObject &deviceConfig);
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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 Power-/turn off the Nanoleaf device.
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///
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/// @return True if success
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///
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bool powerOff() override;
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///
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/// @brief 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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/// @brief Get the serial number of the Lightpack
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///
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/// @return Serial Number
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/// ///
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const QString & getSerialNumber() const;
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bool isOpen(){ return _isOpen; }
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protected:
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///
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/// @brief 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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/// @return Zero on success, else negative
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///
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int write(const std::vector<ColorRgb> & ledValues) override;
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private:
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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
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libusb_device * _device;
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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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bool _isOpen;
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};
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#endif // LEDEVICELIGHTPACK_H
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