hyperion.ng/libsrc/leddevice/LedDeviceAdalightApa102.h
tociek e7c9d9decd Performance fixes for adalightapa102
Adalightapa102 now inherits from RS232Device.
Due to bad initialization, previous CPU usage on RPI1 could reach 60%.
ON RPi2 20%. Now its about 3% with grabber in use.


Former-commit-id: 7ebb72f503ad74a7768deedf648b9e84c0a7cf3c
2015-11-28 22:58:58 +01:00

51 lines
1.3 KiB
C++

#pragma once
// STL includes
#include <string>
// Qt includes
#include <QTimer>
// hyperion incluse
#include "LedRs232Device.h"
///
/// Implementation of the LedDevice interface for writing to an Adalight led device for APA102.
///
class LedDeviceAdalightApa102 : public LedRs232Device
{
Q_OBJECT
public:
///
/// Constructs the LedDevice for attached Adalight device
///
/// @param outputDevice The name of the output device (eg '/dev/ttyS0')
/// @param baudrate The used baudrate for writing to the output device
///
LedDeviceAdalightApa102(const std::string& outputDevice, const unsigned baudrate, int delayAfterConnect_ms);
///
/// Writes the led color values to the led-device
///
/// @param ledValues The color-value per led
/// @return Zero on succes else negative
///
virtual int write(const std::vector<ColorRgb> & ledValues);
virtual int switchOff();
private slots:
/// Write the last data to the leds again
void rewriteLeds();
private:
/// The buffer containing the packed RGB values
std::vector<uint8_t> _ledBuffer;
unsigned int ledCount;
/// Timer object which makes sure that led data is written at a minimum rate
/// The Adalight device will switch off when it does not receive data at least
/// every 15 seconds
QTimer _timer;
};