hyperion.ng/libsrc/leddevice/LedDeviceWs2801.h
penfold42 ca24450618 added configurable latchtime for 2801 SPI driver
Former-commit-id: a10b0bd24a85580b021c735b30ebd2635180a514
2016-02-13 23:00:31 +11:00

44 lines
1.0 KiB
C++

#pragma once
// STL includes
#include <string>
// hyperion incluse
#include "LedSpiDevice.h"
///
/// Implementation of the LedDevice interface for writing to Ws2801 led device.
///
class LedDeviceWs2801 : public LedSpiDevice
{
public:
///
/// Constructs the LedDevice for a string containing leds of the type Ws2801
///
/// @param outputDevice The name of the output device (eg '/etc/SpiDev.0.0')
/// @param baudrate The used baudrate for writing to the output device
///
LedDeviceWs2801(const std::string& outputDevice,
const unsigned baudrate);
LedDeviceWs2801(const std::string& outputDevice,
const unsigned baudrate,
const unsigned latchTime);
///
/// 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);
/// Switch the leds off
virtual int switchOff();
private:
/// the number of leds (needed when switching off)
size_t mLedCount;
};