Class Mycila::ThyristorDimmer¶

ClassList > Mycila > ThyristorDimmer

Thyristor (TRIAC) based dimmer implementation for TRIAC and Random SSR dimmers.

#include <MycilaDimmerThyristor.h>

Inherits the following classes: Mycila::PhaseControlDimmer

Public Functions¶

Type	Name
virtual bool	begin () override Enable a dimmer on a specific GPIO pin.
virtual void	end () override Disable the dimmer.
uint16_t	getFiringDelay () const Get the firing delay in us of the dimmer in the range [0, semi-period] At 0% power, delay is equal to the semi-period: the dimmer is kept off At 100% power, the delay is 0 us: the dimmer is kept on This value is mostly used for TRIAC based dimmers but also in order to derive metrics based on the phase angle.
float	getPhaseAngle () const Get the phase angle in degrees (°) of the dimmer in the range [0, 180] At 0% power, the phase angle is equal to 180 At 100% power, the phase angle is equal to 0.
gpio_num_t	getPin () const Get the GPIO pin used for the dimmer.
void	setPin (gpio_num_t pin) Set the GPIO pin to use for the dimmer.
virtual const char *	type () override const
virtual	~ThyristorDimmer ()

Public Functions inherited from Mycila::PhaseControlDimmer¶

See Mycila::PhaseControlDimmer

Type	Name
void	enablePowerLUT (bool enable) Enable or disable the use of power LUT for this phase-control dimmer The power LUT provides a non-linear dimming curve that is more aligned with human perception of brightness. If disabled, a linear dimming curve will be used.
virtual float	getPowerRatio () override const
virtual bool	isOnline () override const Returns true if the dimmer is online.
bool	isPowerLUTEnabled () const Check if the power LUT is enabled.
virtual bool	setDutyCycle (float dutyCycle) override Set the power duty, eventually remapped by the power LUT if enabled.
virtual	~PhaseControlDimmer ()

Public Functions inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
virtual bool	begin ()
bool	calculateHarmonics (float * array, size_t n) const
bool	calculateMetrics (Metrics & metrics, float gridVoltage, float loadResistance) const
virtual void	end ()
float	getDutyCycle () const Get the power duty cycle configured for the dimmer by the user.
float	getDutyCycleFire () const Get the real firing duty cycle (conduction duty cycle) applied to the dimmer in the range [0, 1].
float	getDutyCycleLimit () const Get the power duty cycle limit of the dimmer.
float	getDutyCycleMapped () const Get the remapped power duty cycle from the currently user set duty cycle.
float	getDutyCycleMax () const Get the remapped "1" of the dimmer duty cycle.
float	getDutyCycleMin () const Get the remapped "0" of the dimmer duty cycle.
virtual float	getPowerRatio () const
bool	isEnabled () const Check if the dimmer is enabled (if it was able to initialize correctly)
bool	isOff () const Check if the dimmer is off.
bool	isOn () const Check if the dimmer is on.
bool	isOnAtFullPower () const Check if the dimmer is on at full power.
virtual bool	isOnline () const Returns true if the dimmer is online.
void	off () Turn off the dimmer.
void	on () Turn on the dimmer at full power.
virtual bool	setDutyCycle (float dutyCycle) Set the power duty.
void	setDutyCycleLimit (float limit) Set the power duty cycle limit of the dimmer. The duty cycle will be clamped to this limit.
void	setDutyCycleMax (float max) Duty remapping (equivalent to Shelly Dimmer remapping feature). Useful to calibrate the dimmer when using for example a PWM signal to 0-10V analog convertor connected to a voltage regulator which is only working in a specific voltage range like 1-8V.
void	setDutyCycleMin (float min) Duty remapping (equivalent to Shelly Dimmer remapping feature). Useful to calibrate the dimmer when using for example a PWM signal to 0-10V analog convertor connected to a voltage regulator which is only working in a specific voltage range like 1-8V.
void	setOnline (bool online) Set the online status of the dimmer.
virtual const char *	type () const
virtual	~Dimmer ()

Public Static Functions¶

Type	Name
void	onZeroCross (int16_t delayUntilZero, void * args)

Public Static Functions inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
uint16_t	getSemiPeriod () Get the semi-period in us used for the power LUT calculations. If LUT is disabled, returns 0.
void	setSemiPeriod (uint16_t semiPeriod) Set the semi-period of the grid frequency in us for this dimmer. This is mandatory when using power LUT.

Protected Attributes inherited from Mycila::PhaseControlDimmer¶

See Mycila::PhaseControlDimmer

Type	Name
bool	_powerLUTEnabled = `false`

Protected Attributes inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
float	_dutyCycle = `0.0f`
float	_dutyCycleFire = `0.0f`
float	_dutyCycleLimit = `1.0f`
float	_dutyCycleMax = `1.0f`
float	_dutyCycleMin = `0.0f`
bool	_enabled = `false`
bool	_online = `false`

Protected Static Attributes inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
uint16_t	_semiPeriod = `0`

Protected Functions¶

Type	Name
virtual bool	_apply () override

Protected Functions inherited from Mycila::PhaseControlDimmer¶

See Mycila::PhaseControlDimmer

Type	Name
virtual bool	_calculateDimmerHarmonics (float * array, size_t n) override const

Protected Functions inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
virtual bool	_apply ()
virtual bool	_calculateDimmerHarmonics (float * array, size_t n) const

Protected Static Functions inherited from Mycila::PhaseControlDimmer¶

See Mycila::PhaseControlDimmer

Type	Name
uint16_t	_lookupFiringDelay (float dutyCycle)

Protected Static Functions inherited from Mycila::Dimmer¶

See Mycila::Dimmer

Type	Name
float	_contrain (float amt, float low, float high)

Public Functions Documentation¶

function begin¶

Enable a dimmer on a specific GPIO pin.

virtual bool Mycila::ThyristorDimmer::begin () override

Warning:

Dimmer won't be enabled if pin is invalid

Warning:

Dimmer won't be activated until the ZCD is enabled

Implements Mycila::Dimmer::begin

function end¶

Disable the dimmer.

virtual void Mycila::ThyristorDimmer::end () override

Warning:

Dimmer won't be destroyed but won't turn on anymore even is a duty cycle is set.

Implements Mycila::Dimmer::end

function getFiringDelay¶

Get the firing delay in us of the dimmer in the range [0, semi-period] At 0% power, delay is equal to the semi-period: the dimmer is kept off At 100% power, the delay is 0 us: the dimmer is kept on This value is mostly used for TRIAC based dimmers but also in order to derive metrics based on the phase angle.

inline uint16_t Mycila::ThyristorDimmer::getFiringDelay () const

function getPhaseAngle¶

Get the phase angle in degrees (°) of the dimmer in the range [0, 180] At 0% power, the phase angle is equal to 180 At 100% power, the phase angle is equal to 0.

inline float Mycila::ThyristorDimmer::getPhaseAngle () const

function getPin¶

Get the GPIO pin used for the dimmer.

inline gpio_num_t Mycila::ThyristorDimmer::getPin () const

function setPin¶

Set the GPIO pin to use for the dimmer.

inline void Mycila::ThyristorDimmer::setPin (
    gpio_num_t pin
)

function type¶

inline virtual const char * Mycila::ThyristorDimmer::type () override const

Implements Mycila::Dimmer::type

function ~ThyristorDimmer¶

inline virtual Mycila::ThyristorDimmer::~ThyristorDimmer ()

Public Static Functions Documentation¶

function onZeroCross¶

static void Mycila::ThyristorDimmer::onZeroCross (
    int16_t delayUntilZero,
    void * args
)

Callback to be called when a zero-crossing event is detected.

When using MycilaPulseAnalyzer library, this callback can be registered like this:

pulseAnalyzer.onZeroCross(Mycila::ThyristorDimmer::onZeroCross);

When using your own ISR with the RobotDyn ZCD, you can call this method with delayUntilZero == 200 since the length of the ZCD pulse is about 400 us.
When using your own ISR with the ZCd from Daniel S, you can call this method with delayUntilZero == 550 since the length of the ZCD pulse is about 1100 us.

Protected Functions Documentation¶

function _apply¶

inline virtual bool Mycila::ThyristorDimmer::_apply () override

Implements Mycila::Dimmer::_apply

The documentation for this class was generated from the following file src/MycilaDimmerThyristor.h