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https://github.com/hyperion-project/hyperion.ng.git
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317a903b14
* rework structure of leddevice source tree * fix data type vor v4l sig detection value in webui * automate leddevicefactory.cpp
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#pragma once
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// Hyperion-Leddevice includes
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#include <leddevice/LedDevice.h>
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///
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/// Implementation of the LedDevice interface for writing to pi-blaster based PWM LEDs
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///
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class LedDevicePiBlaster : public LedDevice
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{
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public:
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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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LedDevicePiBlaster(const QJsonObject &deviceConfig);
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virtual ~LedDevicePiBlaster();
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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);
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/// constructs leddevice
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static LedDevice* construct(const QJsonObject &deviceConfig);
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///
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/// Attempts to open the piblaster-device. This will only succeed if the device is not yet open
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/// and the device is available.
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///
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/// @return Zero on succes else negative
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///
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int open();
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private:
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///
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/// Writes the colors to the PiBlaster device
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///
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/// @param ledValues The color value for each led
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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 std::vector<ColorRgb> &ledValues);
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/// The name of the output device (very likely '/dev/pi-blaster')
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QString _deviceName;
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int _gpio_to_led[64];
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char _gpio_to_color[64];
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/// File-Pointer to the PiBlaster device
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FILE * _fid;
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};
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