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https://github.com/hyperion-project/hyperion.ng.git
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120 lines
2.5 KiB
C++
120 lines
2.5 KiB
C++
#pragma once
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// stl includes
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#include <vector>
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#include <cstdint>
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#include <string>
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// libusb include
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#include <libusb.h>
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// Hyperion includes
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#include <hyperion/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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LedDeviceLightpack();
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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();
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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(const std::string & serialNumber = "");
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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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/// 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();
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/// Get the serial of the Lightpack
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const std::string & getSerialNumber() const;
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/// Get the number of leds
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int getLedCount() const;
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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 std::string & 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 std::string getString(libusb_device * device, int stringDescriptorIndex);
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private:
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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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std::string _serialNumber;
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/// firmware version of the device
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Version _firmwareVersion;
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/// the number of leds of the device
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int _ledCount;
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/// the number of bits per channel
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int _bitsPerChannel;
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/// buffer for led data
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std::vector<uint8_t> _ledBuffer;
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};
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