Implementation of the LedDevice interface for writing to Ws2801 led device. More...

Inheritance diagram for LedDeviceWs2801:

Public Member Functions
	LedDeviceWs2801 (const QJsonObject &deviceConfig)
	Constructs specific LedDevice. More...

Public Member Functions inherited from ProviderSpi
	ProviderSpi ()
	Constructs specific LedDevice.

virtual bool	init (const QJsonObject &deviceConfig)
	Sets configuration. More...

virtual	~ProviderSpi ()
	Destructor of the LedDevice; closes the output device if it is open.

int	open ()
	Opens and configures the output device. More...

Public Member Functions inherited from LedDevice
	LedDevice (const QJsonObject &config=QJsonObject(), QObject *parent=nullptr)

virtual int	switchOff ()
	Switch the leds off (led hardware disable)

virtual int	switchOn ()
	Switch the leds on (led hardware enable), used if reinitialization is required for the device implementation.

virtual int	setLedValues (const std::vector< ColorRgb > &ledValues)

const QString &	getColorOrder ()
	Get color order of device. More...

void	setActiveDevice (QString dev)

const QString &	getActiveDevice ()

void	setLedCount (int ledCount)

int	getLedCount ()

void	setEnable (bool enable)

bool	enabled ()

int	getLatchTime ()

bool	componentState ()

Static Public Member Functions
static LedDevice *	construct (const QJsonObject &deviceConfig)
	constructs leddevice

Protected Member Functions
virtual int	write (const std::vector< ColorRgb > &ledValues)
	Writes the led color values to the led-device. More...

Protected Member Functions inherited from ProviderSpi
int	writeBytes (const unsigned size, const uint8_t *data)
	Writes the given bytes/bits to the SPI-device and sleeps the latch time to ensure that the values are latched. More...

Additional Inherited Members
Public Slots inherited from LedDevice
virtual void	start ()
	Is called on thread start, all construction tasks and init should run here.

Signals inherited from LedDevice
void	enableStateChanged (bool newState)
	Emits whenever the led device switches between on/off. More...

void	visiblePriorityChanged (const quint8 &priority)
	PIPER signal for Priority Muxer -> LedDevice. More...

Protected Slots inherited from LedDevice
int	rewriteLeds ()
	Write the last data to the leds again.

Protected Attributes inherited from ProviderSpi
QString	_deviceName
	The name of the output device.

int	_baudRate_Hz
	The used baudrate of the output device.

int	_fid
	The File Identifier of the opened output device (or -1 if not opened)

int	_spiMode
	which spi clock mode do we use? (0..3)

bool	_spiDataInvert
	1=>invert the data pattern

spi_ioc_transfer	_spi
	The transfer structure for writing to the spi-device.

Protected Attributes inherited from LedDevice
QJsonObject	_devConfig

Logger *	_log
	The common Logger instance for all LedDevices.

std::vector< uint8_t >	_ledBuffer
	The buffer containing the packed RGB values.

bool	_deviceReady

QString	_activeDevice

int	_ledCount

int	_ledRGBCount

int	_ledRGBWCount

QTimer	_refresh_timer
	Timer object which makes sure that led data is written at a minimum rate e.g. More...

unsigned int	_refresh_timer_interval

qint64	_last_write_time

unsigned int	_latchTime_ms

Detailed Description

Implementation of the LedDevice interface for writing to Ws2801 led device.

Constructor & Destructor Documentation

LedDeviceWs2801::LedDeviceWs2801 ( const QJsonObject & deviceConfig )

Constructs specific LedDevice.

Parameters

deviceConfig json device config

int LedDeviceWs2801::write ( const std::vector< ColorRgb > & ledValues )

protectedvirtual

Writes the led color values to the led-device.

Parameters

ledValues The color-value per led

Implements LedDevice.

The documentation for this class was generated from the following files: