System information I/O providing uptime and CPU load. More...

#include <sysinfo.hxx>

Inheritance diagram for dawn::CIOSysinfo:

Collaboration diagram for dawn::CIOSysinfo:

Public Types
enum	{ IO_CFG_FIRST = 0 , IO_CFG_DEVNO = 1 , IO_CFG_LIMIT_MIN = 2 , IO_CFG_LIMIT_MAX = 3 , IO_CFG_LIMIT_STEP = 4 , IO_CFG_NOTIFY = 5 , IO_CFG_LAST = 31 }
	I/O common configuration IDs. More...

enum	{ CMD_RESET = 0 , CMD_TRIGGER1 = 1 , CMD_TRIGGER2 = 2 , CMD_TRIGGER3 = 3 }
	Control command identifiers for control() More...

enum
	Default descriptor validation failure codes. More...

enum	EIOClass { IO_CLASS_ANY = 0 , IO_CLASS_CONFIG = 1 , IO_CLASS_TRIGGER = 2 , IO_CLASS_DESCRIPTOR = 3 , IO_CLASS_CONTROL = 4 , IO_CLASS_CAPABILITIES = 53 , IO_CLASS_DESC_SELECTOR = 54 , IO_CLASS_DUMMY = 5 , IO_CLASS_TIMESTAMP = 6 , IO_CLASS_RAND = 7 , IO_CLASS_DUMMY_NOTIFY = 8 , IO_CLASS_FILE = 9 , IO_CLASS_SENSOR_ACCELEROMETER = 10 , IO_CLASS_SENSOR_MAGNETICFIELD = 11 , IO_CLASS_SENSOR_GYROSCOPE = 12 , IO_CLASS_SENSOR_LIGHT = 13 , IO_CLASS_SENSOR_BAROMETER = 14 , IO_CLASS_SENSOR_PROXIMITY = 15 , IO_CLASS_SENSOR_HUMIDITY = 16 , IO_CLASS_SENSOR_TEMPERATURE = 17 , IO_CLASS_SENSOR_ATEMPERATURE = 18 , IO_CLASS_SENSOR_RGB = 19 , IO_CLASS_SENSOR_IR = 20 , IO_CLASS_SENSOR_UV = 21 , IO_CLASS_SENSOR_GAS = 22 , IO_CLASS_SENSOR_PRODUCER_ACCELEROMETER = 23 , IO_CLASS_SENSOR_PRODUCER_MAGNETICFIELD = 24 , IO_CLASS_SENSOR_PRODUCER_GYROSCOPE = 25 , IO_CLASS_SENSOR_PRODUCER_LIGHT = 26 , IO_CLASS_SENSOR_PRODUCER_BAROMETER = 27 , IO_CLASS_SENSOR_PRODUCER_PROXIMITY = 28 , IO_CLASS_SENSOR_PRODUCER_HUMIDITY = 29 , IO_CLASS_SENSOR_PRODUCER_TEMPERATURE = 30 , IO_CLASS_SENSOR_PRODUCER_ATEMPERATURE = 31 , IO_CLASS_SENSOR_PRODUCER_RGB = 32 , IO_CLASS_SENSOR_PRODUCER_IR = 33 , IO_CLASS_SENSOR_PRODUCER_UV = 34 , IO_CLASS_SENSOR_PRODUCER_GAS = 35 , IO_CLASS_SENSOR_PRODUCER_CONFIG = 36 , IO_CLASS_SYSTEM_UPTIME = 41 , IO_CLASS_SYSTEM_CPULOAD = 42 , IO_CLASS_SYSTEM_RESET = 43 , IO_CLASS_SYSTEM_RESETCAUSE = 44 , IO_CLASS_SYSTEM_POWEROFF = 45 , IO_CLASS_SYSTEM_HOSTNAME = 46 , IO_CLASS_SYSTEM_UUID = 47 , IO_CLASS_SYSTEM_SYSTEMTIME = 48 , IO_CLASS_GPI_SINGLE = 60 , IO_CLASS_GPO_SINGLE = 61 , IO_CLASS_BUTTONS = 62 , IO_CLASS_LEDS = 63 , IO_CLASS_RGBLED = 64 , IO_CLASS_PWM = 78 , IO_CLASS_DAC = 81 , IO_CLASS_ADC_FETCH = 82 , IO_CLASS_ADC_SYNC = 83 , IO_CLASS_ADC_STREAM = 84 , IO_CLASS_ENCODER = 85 , IO_CLASS_ENCODER_INDEX = 86 , IO_CLASS_VIRT = 100 , IO_CLASS_USER_START = 500 , IO_CLASS_USER , IO_CLASS_LAST }
	I/O object class types. More...

enum	EIOFlags { IO_FLAGS_NONE = 0 , IO_FLAGS_TS = (1 << 0) }
	I/O common flags. More...

enum	EIONotifyType { IO_NOTIFY_POLL = 0 , IO_NOTIFY_STREAM = 1 }
	Notifier type enumeration. More...

enum	EObjectState { STATE_STOPPED = 0 , STATE_RUNNING = 1 }
	Object operational state returned by getState() More...

Public Member Functions
virtual int	configure ()
	Configure object from descriptor data.

io_ddata_t *	ddata_alloc (size_t batch, size_t chunk_size=0)
	Allocate data buffer for this I/O.

virtual int	deinit ()
	De-initialize object.

bool	getCfgFlag () const
	Check if configuration flag is set.

uint16_t	getCls () const
	Get object class field.

int	getConfig (uint32_t cfgid, uint32_t *data, size_t len)
	Get I/O configuration item.

int	getData (IODataCmn &data, size_t len, size_t offset=0)
	Get data from I/O (public interface with stats tracking).

size_t	getDataDim () const
	Get data vector dimension.

int	getDataImpl (IODataCmn &data, size_t len)
	Get data implementation (override in derived classes).

size_t	getDataSize () const
	Get data size in bytes.

CDescObject &	getDesc ()
	Get descriptor object for this object.

uint8_t	getDtype () const
	Get data type field.

size_t	getDtypeSize () const
	Get size of this object's data type.

virtual int	getFd () const
	Get file descriptor for notifications.

uint8_t	getFlags () const
	Get type-specific flags field.

SObjectId::UObjectId	getId () const
	Get object identifier as union structure.

SObjectId::ObjectId	getIdV () const
	Get object identifier as raw 32-bit value.

int	getObjConfig (SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len)
	Get object configuration item.

uint16_t	getPriv () const
	Get instance/private data field.

virtual EObjectState	getState () const
	Get current operational state.

uint8_t	getType () const
	Get object type field.

virtual bool	hasThread () const
	Check if a background thread is active.

int	init ()
	One-time initialize object after bindings are resolved.

bool	isBatch () const
	Check if IO supports batch operations.

bool	isNotify () const
	Check if IO supports notifications.

bool	isRead () const
	Check if IO supports read operations.

virtual bool	isSeekable () const
	Check if IO supports partial (seekable) access.

bool	isTimestamp () const
	Check if I/O supports timestamp.

bool	isWrite () const
	Check if IO supports write operations.

int	setConfig (uint32_t cfgid, uint32_t *data, size_t len)
	Set I/O configuration item.

int	setData (IODataCmn &data, size_t offset=0)
	Set data for I/O (public interface with stats tracking).

int	setDataImpl (IODataCmn &data)
	Set data implementation (override in derived classes).

int	setObjConfig (SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len)
	Set object configuration item.

int	start ()
	Start object.

int	stop ()
	Stop object.

virtual int	trigger (uint8_t cmd)
	Execute a trigger command.

Static Public Member Functions
static SObjectCfg::ObjectCfgId	cfgIdCmn (bool rw, uint8_t dtype, uint8_t size, uint8_t id)
	Create ConfigID for I/O common configuration.

static SObjectCfg::ObjectCfgId	cfgIdDevno (bool rw=false)
	Create ConfigID for device number configuration.

static SObjectCfg::ObjectCfgId	cfgIdLimitMax (uint8_t dtype, uint16_t size)
	Create ConfigID for maximum I/O limits.

static SObjectCfg::ObjectCfgId	cfgIdLimitMin (uint8_t dtype, uint16_t size)
	Create ConfigID for minimum I/O limits.

static SObjectCfg::ObjectCfgId	cfgIdLimitStep (uint8_t dtype, uint16_t size)
	Create ConfigID for step I/O limits.

static SObjectCfg::ObjectCfgId	cfgIdNotify (bool rw=false)
	Create ConfigID for notifier configuration.

static int	descValidDefault (const uint32_t *data, size_t len)
	Default descriptor validation method.

static int	validateDesc (const uint32_t *desc, size_t len)
	Validate entire descriptor.

Protected Member Functions
size_t	cfgCmnOffset (const SObjectCfg::SObjectCfgItem *cfg)
	Get offset of configuration item in descriptor.

virtual int	doStart ()
	Start implementation hook.

virtual int	doStop ()
	Stop implementation hook.

int	getCmnDevno () const
	Get device number for this I/O.

const uint32_t *	getCmnLimitMax ()
	Get maximum I/O limit words.

const uint32_t *	getCmnLimitMin ()
	Get minimum I/O limit words.

const CIOLimits &	getCmnLimits () const
	Get common IO limits container.

const uint32_t *	getCmnLimitStep ()
	Get step I/O limit words.

size_t	getCmnLimitWords ()
	Get number of 32-bit words in I/O limit arrays.

virtual int	getDataAtImpl (IODataCmn &data, size_t len, size_t offset)
	Get data at byte offset (override in seekable IOs).

uint64_t	getTimestamp ()
	Get current timestamp.

virtual int	onSetObjConfig (SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len)
	Pre-update hook for runtime configuration writes.

virtual int	setDataAtImpl (IODataCmn &data, size_t offset)
	Set data at byte offset (override in seekable IOs).

Detailed Description

System information I/O providing uptime and CPU load.

Provides read-only access to system-level information including system uptime (elapsed time since boot) and CPU load metrics.

Definition at line 22 of file sysinfo.hxx.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

inherited

I/O common configuration IDs.

Standard configuration identifiers for I/O objects:

IO_CFG_DEVNO: Device number configuration
IO_CFG_LIMIT_*: I/O data limits (min/max/step).

Enumerator
IO_CFG_FIRST	First config ID.
IO_CFG_DEVNO	Device number configuration.
IO_CFG_LIMIT_MIN	Minimum limit words.
IO_CFG_LIMIT_MAX	Maximum limit words.
IO_CFG_LIMIT_STEP	Step limit words.
IO_CFG_NOTIFY	Notifier configuration (type + priority)
IO_CFG_LAST	Last config ID.

Definition at line 208 of file common.hxx.

◆ anonymous enum

anonymous enum

inherited

Control command identifiers for control()

Enumerator
CMD_RESET	Reset object internal state.
CMD_TRIGGER1	Object-specific trigger slot 1.
CMD_TRIGGER2	Object-specific trigger slot 2.
CMD_TRIGGER3	Object-specific trigger slot 3.

Definition at line 40 of file object.hxx.

◆ anonymous enum

anonymous enum

inherited

Default descriptor validation failure codes.

Negative values identify which length check failed in descValidDefault().

Definition at line 314 of file object.hxx.

◆ EIOClass

enum dawn::CIOCommon::EIOClass

inherited

I/O object class types.

Enumerator
IO_CLASS_ANY	Any I/O class.
IO_CLASS_CONFIG	Configuration I/O.
IO_CLASS_TRIGGER	Trigger I/O.
IO_CLASS_DESCRIPTOR	Descriptor I/O.
IO_CLASS_CONTROL	Control I/O.
IO_CLASS_CAPABILITIES	Capabilities bitmask I/O.
IO_CLASS_DESC_SELECTOR	Descriptor slot selector I/O.
IO_CLASS_DUMMY	Dummy I/O (for testing)
IO_CLASS_TIMESTAMP	Timestamp generator.
IO_CLASS_RAND	Random number generator.
IO_CLASS_DUMMY_NOTIFY	Timer-driven dummy IO.
IO_CLASS_FILE	File system I/O.
IO_CLASS_SENSOR_ACCELEROMETER	Accelerometer sensor.
IO_CLASS_SENSOR_MAGNETICFIELD	Magnetic field sensor.
IO_CLASS_SENSOR_GYROSCOPE	Gyroscope sensor.
IO_CLASS_SENSOR_LIGHT	Light sensor.
IO_CLASS_SENSOR_BAROMETER	Barometer sensor.
IO_CLASS_SENSOR_PROXIMITY	Proximity sensor.
IO_CLASS_SENSOR_HUMIDITY	Humidity sensor.
IO_CLASS_SENSOR_TEMPERATURE	Temperature sensor.
IO_CLASS_SENSOR_ATEMPERATURE	Ambient temperature sensor.
IO_CLASS_SENSOR_RGB	RGB color sensor.
IO_CLASS_SENSOR_IR	Infrared sensor.
IO_CLASS_SENSOR_UV	Ultraviolet sensor.
IO_CLASS_SENSOR_GAS	Gas sensor.
IO_CLASS_SENSOR_PRODUCER_ACCELEROMETER	Accelerometer publisher.
IO_CLASS_SENSOR_PRODUCER_MAGNETICFIELD	Magnetic field publisher.
IO_CLASS_SENSOR_PRODUCER_GYROSCOPE	Gyroscope publisher.
IO_CLASS_SENSOR_PRODUCER_LIGHT	Light publisher.
IO_CLASS_SENSOR_PRODUCER_BAROMETER	Barometer publisher.
IO_CLASS_SENSOR_PRODUCER_PROXIMITY	Proximity publisher.
IO_CLASS_SENSOR_PRODUCER_HUMIDITY	Humidity publisher.
IO_CLASS_SENSOR_PRODUCER_TEMPERATURE	Temperature publisher.
IO_CLASS_SENSOR_PRODUCER_ATEMPERATURE	Ambient temperature publisher.
IO_CLASS_SENSOR_PRODUCER_RGB	RGB color publisher.
IO_CLASS_SENSOR_PRODUCER_IR	Infrared publisher.
IO_CLASS_SENSOR_PRODUCER_UV	Ultraviolet publisher.
IO_CLASS_SENSOR_PRODUCER_GAS	Gas publisher.
IO_CLASS_SENSOR_PRODUCER_CONFIG	Sensor producer configuration IDs.
IO_CLASS_SYSTEM_UPTIME	System uptime.
IO_CLASS_SYSTEM_CPULOAD	CPU load.
IO_CLASS_SYSTEM_RESET	System reset control.
IO_CLASS_SYSTEM_RESETCAUSE	Reset cause.
IO_CLASS_SYSTEM_POWEROFF	Power off control.
IO_CLASS_SYSTEM_HOSTNAME	System hostname.
IO_CLASS_SYSTEM_UUID	UUID.
IO_CLASS_SYSTEM_SYSTEMTIME	System time.
IO_CLASS_GPI_SINGLE	Single GPIO input.
IO_CLASS_GPO_SINGLE	Single GPIO output.
IO_CLASS_BUTTONS	Button input.
IO_CLASS_LEDS	LED output.
IO_CLASS_RGBLED	RGB LED output.
IO_CLASS_PWM	PWM output.
IO_CLASS_DAC	Digital-to-analog converter.
IO_CLASS_ADC_FETCH	ADC fetch (on-demand)
IO_CLASS_ADC_SYNC	ADC sync (HW-triggered control loop)
IO_CLASS_ADC_STREAM	ADC stream (batch/high-throughput)
IO_CLASS_ENCODER	Quadrature encoder (position)
IO_CLASS_ENCODER_INDEX	Quadrature encoder (position+index)
IO_CLASS_VIRT	Virtual I/O.
IO_CLASS_USER_START	User-defined types start here.
IO_CLASS_USER	User-defined I/O.
IO_CLASS_LAST	Last I/O class marker.

Definition at line 84 of file common.hxx.

◆ EIOFlags

enum dawn::CIOCommon::EIOFlags

inherited

I/O common flags.

IO_FLAGS_NONE: No special flags - IO_FLAGS_TS: I/O supports timestamp (set in flags field of ObjectID).

Enumerator
IO_FLAGS_NONE	No flags.
IO_FLAGS_TS	Timestamp support flag.

Definition at line 73 of file common.hxx.

◆ EIONotifyType

enum dawn::CIOCommon::EIONotifyType

inherited

Notifier type enumeration.

Enumerator
IO_NOTIFY_POLL	Poll-based notifier (default)
IO_NOTIFY_STREAM	Stream notifier (blocking read, one per IO)

Definition at line 221 of file common.hxx.

◆ EObjectState

enum dawn::CObject::EObjectState

inherited

Object operational state returned by getState()

Enumerator
STATE_STOPPED	Object is stopped.
STATE_RUNNING	Object is running.

Definition at line 32 of file object.hxx.

Member Function Documentation

◆ cfgCmnOffset()

size_t CIOCommon::cfgCmnOffset ( const SObjectCfg::SObjectCfgItem * cfg )

protectedinherited

Get offset of configuration item in descriptor.

Parameters

cfg	Pointer to configuration item.

Returns: Byte offset of configuration item.

Definition at line 144 of file common.cxx.

References dawn::SObjectCfg::SObjectCfgItem::cfgid, dawn::SObjectCfg::UObjectCfgId::cls, dawn::SObjectCfg::UObjectCfgId::id, dawn::CIOCommon::IO_CFG_DEVNO, dawn::CIOCommon::IO_CFG_LIMIT_MAX, dawn::CIOCommon::IO_CFG_LIMIT_MIN, dawn::CIOCommon::IO_CFG_LIMIT_STEP, dawn::CIOCommon::IO_CFG_NOTIFY, dawn::CIOCommon::IO_CLASS_ANY, dawn::SObjectCfg::UObjectCfgId::s, dawn::SObjectCfg::UObjectCfgId::size, and dawn::SObjectCfg::UObjectCfgId::v.

◆ cfgIdCmn()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdCmn	(	bool	rw,
		uint8_t	dtype,
		uint8_t	size,
		uint8_t	id
	)

inlinestaticinherited

Create ConfigID for I/O common configuration.

Constructs a configuration ID for I/O-specific configuration items.

Parameters

rw	Read-write flag (false=read-only, true=read-write).
dtype	Data type (DTYPE_UINT32, DTYPE_CHAR, etc.).
size	Configuration data size in 32-bit words.
id	Configuration identifier (0-31).

Returns: ConfigID value for use in configuration operations.

Definition at line 600 of file common.hxx.

References dawn::CIOCommon::IO_CLASS_ANY, dawn::SObjectCfg::objectCfg(), and dawn::SObjectId::OBJTYPE_IO.

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◆ cfgIdDevno()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdDevno ( bool rw = false )

inlinestaticinherited

Create ConfigID for device number configuration.

Parameters

rw	Read-write flag (default: false for read-only).

Returns: ConfigID for IO_CFG_DEVNO (DTYPE_UINT32, size=1).

Definition at line 616 of file common.hxx.

References dawn::CIOCommon::cfgIdCmn(), dawn::SObjectId::DTYPE_UINT32, and dawn::CIOCommon::IO_CFG_DEVNO.

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◆ cfgIdLimitMax()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdLimitMax	(	uint8_t	dtype,
		uint16_t	size
	)

inlinestaticinherited

Create ConfigID for maximum I/O limits.

Parameters

dtype	Limit data type.
size	Limit data size in 32-bit words.

Returns: ConfigID for IO_CFG_LIMIT_MAX.

Definition at line 642 of file common.hxx.

References dawn::CIOCommon::cfgIdCmn(), and dawn::CIOCommon::IO_CFG_LIMIT_MAX.

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◆ cfgIdLimitMin()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdLimitMin	(	uint8_t	dtype,
		uint16_t	size
	)

inlinestaticinherited

Create ConfigID for minimum I/O limits.

Parameters

dtype	Limit data type.
size	Limit data size in 32-bit words.

Returns: ConfigID for IO_CFG_LIMIT_MIN.

Definition at line 629 of file common.hxx.

References dawn::CIOCommon::cfgIdCmn(), and dawn::CIOCommon::IO_CFG_LIMIT_MIN.

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◆ cfgIdLimitStep()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdLimitStep	(	uint8_t	dtype,
		uint16_t	size
	)

inlinestaticinherited

Create ConfigID for step I/O limits.

Parameters

dtype	Limit data type.
size	Limit data size in 32-bit words.

Returns: ConfigID for IO_CFG_LIMIT_STEP.

Definition at line 655 of file common.hxx.

References dawn::CIOCommon::cfgIdCmn(), and dawn::CIOCommon::IO_CFG_LIMIT_STEP.

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◆ cfgIdNotify()

static SObjectCfg::ObjectCfgId dawn::CIOCommon::cfgIdNotify ( bool rw = false )

inlinestaticinherited

Create ConfigID for notifier configuration.

Parameters

rw	Read-write flag (default: false for read-only).

Returns: ConfigID for IO_CFG_NOTIFY (DTYPE_UINT32, size=2).

Definition at line 667 of file common.hxx.

References dawn::CIOCommon::cfgIdCmn(), dawn::SObjectId::DTYPE_UINT32, and dawn::CIOCommon::IO_CFG_NOTIFY.

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◆ configure()

virtual int dawn::CObject::configure ( )

inlinevirtualinherited

Configure object from descriptor data.

Called during framework setup before dependency binding. Implementations should parse/validate descriptor configuration and store object settings, but avoid one-time allocations that depend on bound objects.

Returns: OK on success, negative error code on failure.

Reimplemented in dawn::CIOAdcBase, dawn::CIOAdcStream, dawn::CIOAdcSync, dawn::CIOButtons, dawn::CIOCapabilities, dawn::CIOConfig, dawn::CIOControl, dawn::CIODac, dawn::CIODescriptor, dawn::CIODescSelector, dawn::CIODummy, dawn::CIODummyNotify, dawn::CIOEncoder, dawn::CIOEncoderIndex, dawn::CIOFile, dawn::CIOGpi, dawn::CIOGpo, dawn::CIOLeds, dawn::CIOPwm, dawn::CIORand, dawn::CIORgbLed, dawn::CIOSensor, dawn::CIOSensorProducer, dawn::CIOTimestamp, dawn::CIOTrigger, dawn::CIOVirt, dawn::CProgAdjust, dawn::CProgBitPack, dawn::CProgBitSplit, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgDummy, dawn::CProgExpression, dawn::CProgGateway, dawn::CProgIODemux, dawn::CProgIOMux, dawn::CProgManyToOne, dawn::CProgOneToMany, dawn::CProgProcess, dawn::CProgRedirect, dawn::CProgSampling, dawn::CProgSelector, dawn::CProgSequencer, dawn::CProgSwitch, dawn::CProgToggle, dawn::CProgVecPack, dawn::CProgVecSplit, dawn::CProtoCan, dawn::CProtoDummy, dawn::CProtoIpc, dawn::CProtoModbusRtu, dawn::CProtoModbusTcp, dawn::CProtoNimblePrph, dawn::CProtoNxscope, dawn::CProtoSerial, dawn::CProtoShellPretty, and dawn::CProtoUdp.

Definition at line 73 of file object.hxx.

◆ ddata_alloc()

io_ddata_t * CIOCommon::ddata_alloc	(	size_t	batch,
		size_t	chunk_size = `0`
	)

inherited

Allocate data buffer for this I/O.

Allocates memory for storing data from this I/O.

For seekable IOs chunk_size must be non-zero; the allocated buffer is capped to min(chunk_size, getDataSize()) bytes with T=1 (byte) and dtype=UINT8, suitable for partial reads/writes via getData/setData with offset. Passing chunk_size=0 for a seekable IO returns nullptr.

For non-seekable IOs chunk_size is ignored and the full IO data size is allocated as usual.

Parameters

batch	Number of data items to allocate space for (1 for single, >1 for batch).
chunk_size	Maximum chunk size in bytes for seekable IOs (ignored for non-seekable IOs; 0 is invalid for seekable IOs).

Returns: Pointer to allocated io_ddata_t structure, nullptr on failure.

Definition at line 247 of file common.cxx.

References dawn::SObjectId::DTYPE_UINT8, dawn::CIOCommon::getDataDim(), dawn::CIOCommon::getDataSize(), dawn::CObject::getDtype(), dawn::CIOCommon::isSeekable(), and dawn::CIOCommon::isTimestamp().

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◆ deinit()

virtual int dawn::CObject::deinit ( )

inlinevirtualinherited

De-initialize object.

Clean up resources allocated during init().

Returns: OK on success, negative error code on failure.

Reimplemented in dawn::CIOAdcBase, dawn::CIOButtons, dawn::CIOCapabilities, dawn::CIOConfig, dawn::CIOControl, dawn::CIODac, dawn::CIODescriptor, dawn::CIODescSelector, dawn::CIODummy, dawn::CIODummyNotify, dawn::CIOEncoder, dawn::CIOEncoderIndex, dawn::CIOFile, dawn::CIOGpi, dawn::CIOGpo, dawn::CIOLeds, dawn::CIOPwm, dawn::CIORand, dawn::CIORgbLed, dawn::CIOSensor, dawn::CIOSensorProducer, dawn::CIOTimestamp, dawn::CIOTrigger, dawn::CIOVirt, dawn::CProgAdjust, dawn::CProgBitPack, dawn::CProgBitSplit, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgExpression, dawn::CProgGateway, dawn::CProgIODemux, dawn::CProgIOMux, dawn::CProgManyToOne, dawn::CProgOneToMany, dawn::CProgProcess, dawn::CProgRedirect, dawn::CProgSampling, dawn::CProgSelector, dawn::CProgSequencer, dawn::CProgSwitch, dawn::CProgToggle, dawn::CProgVecPack, dawn::CProgVecSplit, dawn::CProtoCan, dawn::CProtoIpc, dawn::CProtoModbusRtu, dawn::CProtoModbusTcp, dawn::CProtoNimblePrph, dawn::CProtoNxscope, dawn::CProtoSerial, and dawn::CProtoUdp.

Definition at line 100 of file object.hxx.

◆ descValidDefault()

int CObject::descValidDefault	(	const uint32_t *	data,
		size_t	len
	)

staticinherited

Default descriptor validation method.

Provides basic validation that only checks if descriptor lengths are correct.

Parameters

data	Descriptor data pointer.
len	Length of descriptor data in 32-bit words.

Returns: OK on success, negative error code indicating validation stage.

Definition at line 42 of file object.cxx.

References dawn::SObjectCfg::UObjectCfgId::s, dawn::SObjectCfg::UObjectCfgId::size, and dawn::SObjectCfg::UObjectCfgId::v.

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◆ doStart()

virtual int dawn::CObject::doStart ( )

inlineprotectedvirtualinherited

Start implementation hook.

Override in derived classes instead of start().

Returns: OK on success, negative error code on failure.

Reimplemented in dawn::CIOAdcFetch, dawn::CIOAdcStream, dawn::CIOAdcSync, dawn::CIODummyNotify, dawn::CIOPwm, dawn::CIORand, dawn::CIOTimestamp, dawn::CProgAdjust, dawn::CProgBitPack, dawn::CProgBitSplit, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgExpression, dawn::CProgGateway, dawn::CProgIODemux, dawn::CProgIOMux, dawn::CProgManyToOne, dawn::CProgOneToMany, dawn::CProgProcess, dawn::CProgRedirect, dawn::CProgSampling, dawn::CProgSelector, dawn::CProgSequencer, dawn::CProgSwitch, dawn::CProgToggle, dawn::CProgVecPack, dawn::CProgVecSplit, dawn::CProtoCan, dawn::CProtoIpc, dawn::CProtoModbusRtu, dawn::CProtoModbusTcp, dawn::CProtoNimblePrph, dawn::CProtoNxscope, dawn::CProtoSerial, dawn::CProtoShellPretty, and dawn::CProtoUdp.

Definition at line 402 of file object.hxx.

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◆ doStop()

virtual int dawn::CObject::doStop ( )

inlineprotectedvirtualinherited

Stop implementation hook.

Override in derived classes instead of stop().

Returns: OK on success, negative error code on failure.

Reimplemented in dawn::CIOAdcFetch, dawn::CIOAdcStream, dawn::CIOAdcSync, dawn::CIODummyNotify, dawn::CIOPwm, dawn::CIORand, dawn::CIOTimestamp, dawn::CProgBitPack, dawn::CProgBitSplit, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgExpression, dawn::CProgGateway, dawn::CProgIODemux, dawn::CProgIOMux, dawn::CProgManyToOne, dawn::CProgOneToMany, dawn::CProgProcess, dawn::CProgRedirect, dawn::CProgSampling, dawn::CProgSelector, dawn::CProgSequencer, dawn::CProgSwitch, dawn::CProgToggle, dawn::CProgVecPack, dawn::CProgVecSplit, dawn::CProtoCan, dawn::CProtoIpc, dawn::CProtoModbusRtu, dawn::CProtoModbusTcp, dawn::CProtoNimblePrph, dawn::CProtoNxscope, dawn::CProtoSerial, dawn::CProtoShellPretty, and dawn::CProtoUdp.

Definition at line 415 of file object.hxx.

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◆ getCfgFlag()

bool CObject::getCfgFlag ( ) const

inherited

Check if configuration flag is set.

Returns: True if this object has configuration data.

Definition at line 160 of file object.cxx.

References dawn::CDescObject::getSize().

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◆ getCls()

uint16_t CObject::getCls ( ) const

inherited

Get object class field.

Returns: Object class identifier (0-511).

Definition at line 170 of file object.cxx.

References dawn::SObjectId::UObjectId::cls, and dawn::SObjectId::UObjectId::s.

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◆ getCmnDevno()

int dawn::CIOCommon::getCmnDevno ( ) const

inlineprotectedinherited

Get device number for this I/O.

Returns: Device number configured for this I/O.

Definition at line 798 of file common.hxx.

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◆ getConfig()

int dawn::CIOCommon::getConfig	(	uint32_t	cfgid,
		uint32_t *	data,
		size_t	len
	)

inlineinherited

Get I/O configuration item.

Retrieves a configuration parameter for this I/O.

Parameters

cfgid	Configuration ID (e.g., IO_CFG_DEVNO, IO_CFG_LIMIT_MIN).
data	Pointer to buffer for configuration data.
len	Length of buffer in 32-bit words.

Returns: OK on success, negative error code on failure.

Definition at line 567 of file common.hxx.

References dawn::CObject::getObjConfig().

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◆ getData()

int dawn::CIOCommon::getData	(	IODataCmn &	data,
		size_t	len,
		size_t	offset = `0`
	)

inlineinherited

Get data from I/O (public interface with stats tracking).

For seekable IOs always calls getDataAtImpl() (handles both offset=0 and offset>0, copies min(buf_size, available) bytes). For non-seekable IOs calls getDataImpl() when offset=0; offset>0 returns -ENOTSUP.

Parameters

data	Reference to IODataCmn structure to receive data.
len	Number of data items to read (must be 1 for seekable IOs).
offset	Byte offset for seekable IOs (0 for standard access).

Returns: OK on success, negative error code on failure.

Definition at line 353 of file common.hxx.

References dawn::CIOCommon::getDataAtImpl(), dawn::CIOCommon::getDataImpl(), and dawn::CIOCommon::isSeekable().

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◆ getDataAtImpl()

virtual int dawn::CIOCommon::getDataAtImpl	(	IODataCmn &	data,
		size_t	len,
		size_t	offset
	)

inlineprotectedvirtualinherited

Get data at byte offset (override in seekable IOs).

Called by getData() when offset > 0. Default returns -ENOTSUP. Seekable IOs override this to support partial reads. len must be 1; implementations should return -EINVAL otherwise.

Parameters

data	Reference to IODataCmn buffer to receive data chunk.
len	Number of items (must be 1 for seekable IOs).
offset	Byte offset into IO data.

Returns: OK on success, -ENOTSUP if not supported, other negative on error.

Reimplemented in dawn::CIOCapabilities, dawn::CIODescriptor, and dawn::CIOFile.

Definition at line 755 of file common.hxx.

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◆ getDataDim()

size_t CIOSysinfo::getDataDim ( ) const

virtual

Get data vector dimension.

Returns the number of elements in a data item (e.g., 3 for XYZ accelerometer).

Returns: Number of data elements per item.

Implements dawn::CIOCommon.

Definition at line 25 of file sysinfo.cxx.

◆ getDataImpl()

int CIOSysinfo::getDataImpl	(	IODataCmn &	data,
		size_t	len
	)

virtual

Get data implementation (override in derived classes).

Parameters

data	Reference to IODataCmn structure to receive data.
len	Number of data items to read.

Returns: OK on success, -ENOTSUP if not supported, other negative on error.

Reimplemented from dawn::CIOCommon.

Definition at line 56 of file sysinfo.cxx.

References dawn::SObjectId::DTYPE_FLOAT, dawn::SObjectId::DTYPE_UB16, dawn::CObject::getCls(), dawn::IODataCmn::getDataPtr(), dawn::CObject::getDtype(), dawn::CIOCommon::IO_CLASS_SYSTEM_CPULOAD, and dawn::CIOCommon::IO_CLASS_SYSTEM_UPTIME.

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◆ getDataSize()

size_t CIOSysinfo::getDataSize ( ) const

virtual

Get data size in bytes.

Returns the size of a single data item (without timestamp if present).

Returns: Size in bytes of one data item.

Implements dawn::CIOCommon.

Definition at line 135 of file sysinfo.cxx.

References dawn::CObject::getCls(), dawn::CIOCommon::IO_CLASS_SYSTEM_CPULOAD, and dawn::CIOCommon::IO_CLASS_SYSTEM_UPTIME.

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◆ getDesc()

CDescObject & CObject::getDesc ( )

inherited

Get descriptor object for this object.

Returns: Reference to associated CDescObject.

Definition at line 190 of file object.cxx.

◆ getDtype()

uint8_t CObject::getDtype ( ) const

inherited

Get data type field.

Returns: Data type (DTYPE_UINT32, DTYPE_FLOAT, etc.).

Definition at line 175 of file object.cxx.

References dawn::SObjectId::UObjectId::dtype, and dawn::SObjectId::UObjectId::s.

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◆ getDtypeSize()

size_t CObject::getDtypeSize ( ) const

inherited

Get size of this object's data type.

Returns: Size in bytes for the configured data type.

Definition at line 195 of file object.cxx.

References dawn::SObjectId::getDtypeSize_(), and dawn::CDescObject::getObjectDtype().

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◆ getFd()

virtual int dawn::CIOCommon::getFd ( ) const

inlinevirtualinherited

Get file descriptor for notifications.

Returns an fd for use with select/poll when descriptor changes.

Returns: Valid file descriptor (>=0) on success, -ENOTSUP if not supported.

Reimplemented in dawn::CIOAdcBase.

Definition at line 425 of file common.hxx.

◆ getFlags()

uint8_t CObject::getFlags ( ) const

inherited

Get type-specific flags field.

Returns: Flags value (0-3).

Definition at line 180 of file object.cxx.

References dawn::SObjectId::UObjectId::flags, and dawn::SObjectId::UObjectId::s.

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◆ getId()

SObjectId::UObjectId CObject::getId ( ) const

inherited

Get object identifier as union structure.

Returns: Reference to UObjectId structure.

Definition at line 150 of file object.cxx.

◆ getIdV()

SObjectId::ObjectId CObject::getIdV ( ) const

inherited

Get object identifier as raw 32-bit value.

Returns: ObjectID as uint32_t.

Definition at line 155 of file object.cxx.

References dawn::SObjectId::UObjectId::v.

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◆ getObjConfig()

int CObject::getObjConfig	(	SObjectCfg::ObjectCfgId	objcfg,
		uint32_t *	data,
		size_t	len
	)

inherited

Get object configuration item.

Retrieves configuration data for this object.

Parameters

objcfg	Configuration ID specifying which config item to retrieve.
data	Pointer to buffer for configuration data.
len	Length of buffer in 32-bit words.

Returns: OK on success, negative error code on failure.

Definition at line 240 of file object.cxx.

References dawn::SObjectCfg::SObjectCfgItem::data, dawn::SObjectCfg::objectCfgGetSize(), and dawn::CDescObject::objectCfgItemId().

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◆ getPriv()

uint16_t CObject::getPriv ( ) const

inherited

Get instance/private data field.

Returns: Instance ID (0-16383).

Definition at line 185 of file object.cxx.

References dawn::SObjectId::UObjectId::priv, and dawn::SObjectId::UObjectId::s.

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◆ getState()

virtual EObjectState dawn::CObject::getState ( ) const

inlinevirtualinherited

Get current operational state.

Default returns STATE_RUNNING after successful start(), STATE_STOPPED otherwise. Objects with richer states (e.g. paused) should override.

Returns: Current EObjectState value.

Definition at line 183 of file object.hxx.

References dawn::CObject::STATE_RUNNING, and dawn::CObject::STATE_STOPPED.

◆ getTimestamp()

uint64_t CIOCommon::getTimestamp ( )

protectedinherited

Get current timestamp.

Returns: Current system timestamp in microseconds.

Definition at line 194 of file common.cxx.

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◆ getType()

uint8_t CObject::getType ( ) const

inherited

Get object type field.

Returns: Object type (OBJTYPE_IO, OBJTYPE_PROTO, OBJTYPE_PROG).

Definition at line 165 of file object.cxx.

References dawn::SObjectId::UObjectId::s, and dawn::SObjectId::UObjectId::type.

◆ hasThread()

virtual bool dawn::CObject::hasThread ( ) const

inlinevirtualinherited

Check if a background thread is active.

Used by Dawn's main loop to detect when clean exit is possible. Objects without a background thread must return false. Independent of operational state tracked via getState().

Returns: True if a background thread is active, false otherwise.

Reimplemented in dawn::CProgBitPack, dawn::CProgBitSplit, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgExpression, dawn::CProgIODemux, dawn::CProgIOMux, dawn::CProgManyToOne, dawn::CProgOneToMany, dawn::CProgProcess, dawn::CProgRedirect, dawn::CProgSampling, dawn::CProgSelector, dawn::CProgSequencer, dawn::CProgSwitch, dawn::CProgToggle, dawn::CProgVecPack, dawn::CProgVecSplit, dawn::CProtoCan, dawn::CProtoIpc, dawn::CProtoModbusRtu, dawn::CProtoModbusTcp, dawn::CProtoNimblePrph, dawn::CProtoNxscope, dawn::CProtoSerial, dawn::CProtoShellPretty, and dawn::CProtoUdp.

Definition at line 169 of file object.hxx.

◆ init()

int CIOSysinfo::init ( )

virtual

One-time initialize object after bindings are resolved.

Called once during framework setup after dependency binding. Allocate lifetime resources here (buffers, register maps, etc.).

Returns: OK on success, negative error code on failure.

Reimplemented from dawn::CObject.

Definition at line 13 of file sysinfo.cxx.

References dawn::SObjectId::DTYPE_FLOAT, dawn::SObjectId::DTYPE_UB16, dawn::CObject::getCls(), dawn::CObject::getDtype(), and dawn::CIOCommon::IO_CLASS_SYSTEM_CPULOAD.

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◆ isBatch()

bool dawn::CIOSysinfo::isBatch ( ) const

inlinevirtual

Check if IO supports batch operations.

Returns: True if batch data reading/writing is supported, false otherwise.

Implements dawn::CIOCommon.

Definition at line 69 of file sysinfo.hxx.

◆ isNotify()

bool dawn::CIOSysinfo::isNotify ( ) const

inlinevirtual

Check if IO supports notifications.

Returns: True if notification callbacks are supported, false otherwise.

Implements dawn::CIOCommon.

Definition at line 64 of file sysinfo.hxx.

◆ isRead()

bool dawn::CIOSysinfo::isRead ( ) const

inlinevirtual

Check if IO supports read operations.

Returns: True if getData() is supported, false otherwise.

Implements dawn::CIOCommon.

Definition at line 54 of file sysinfo.hxx.

◆ isSeekable()

virtual bool dawn::CIOCommon::isSeekable ( ) const

inlinevirtualinherited

Check if IO supports partial (seekable) access.

When true, getData/setData with non-zero offset route to getDataAtImpl/setDataAtImpl. When false, offset > 0 returns -ENOTSUP.

Returns: True if seekable access is supported, false otherwise.

Reimplemented in dawn::CIOCapabilities, dawn::CIODescriptor, and dawn::CIOFile.

Definition at line 502 of file common.hxx.

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◆ isTimestamp()

bool CIOCommon::isTimestamp ( ) const

inherited

Check if I/O supports timestamp.

Returns true if this I/O has timestamp support (IO_FLAGS_TS flag is set).

Returns: True if timestamps are available with data, false otherwise.

Definition at line 189 of file common.cxx.

References dawn::CObject::getFlags(), and dawn::CIOCommon::IO_FLAGS_TS.

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◆ isWrite()

bool dawn::CIOSysinfo::isWrite ( ) const

inlinevirtual

Check if IO supports write operations.

Returns: True if setData() is supported, false otherwise.

Implements dawn::CIOCommon.

Definition at line 59 of file sysinfo.hxx.

◆ onSetObjConfig()

virtual int dawn::CObject::onSetObjConfig	(	SObjectCfg::ObjectCfgId	objcfg,
		uint32_t *	data,
		size_t	len
	)

inlineprotectedvirtualinherited

Pre-update hook for runtime configuration writes.

Called by setObjConfig() before descriptor-backed storage is updated. Derived classes may validate incoming data and prepare/apply runtime side effects. Returning a negative error rejects the update.

Parameters

objcfg	Configuration ID that will be updated.
data	Pointer to new config words.
len	Number of config words.

Returns: OK on success, or negative error code to reject update.

Reimplemented in dawn::CIOAdcStream, dawn::CIOAdcSync, and dawn::CIOPwm.

Definition at line 386 of file object.hxx.

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◆ setConfig()

int dawn::CIOCommon::setConfig	(	uint32_t	cfgid,
		uint32_t *	data,
		size_t	len
	)

inlineinherited

Set I/O configuration item.

Updates a configuration parameter for this I/O.

Parameters

cfgid	Configuration ID (e.g., IO_CFG_DEVNO, IO_CFG_LIMIT_MIN).
data	Pointer to configuration data.
len	Length of data in 32-bit words.

Returns: OK on success, negative error code on failure.

Definition at line 583 of file common.hxx.

References dawn::CObject::setObjConfig().

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◆ setData()

int dawn::CIOCommon::setData	(	IODataCmn &	data,
		size_t	offset = `0`
	)

inlineinherited

Set data for I/O (public interface with stats tracking).

For seekable IOs always calls setDataAtImpl() (handles both offset=0 and offset>0). For non-seekable IOs calls setDataImpl() when offset=0; offset>0 returns -ENOTSUP.

Parameters

data	Reference to IODataCmn structure containing data.
offset	Byte offset for seekable IOs (0 for standard access).

Returns: OK on success, negative error code on failure.

Definition at line 392 of file common.hxx.

References dawn::CIOCommon::isSeekable(), dawn::CIOCommon::setDataAtImpl(), and dawn::CIOCommon::setDataImpl().

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◆ setDataAtImpl()

virtual int dawn::CIOCommon::setDataAtImpl	(	IODataCmn &	data,
		size_t	offset
	)

inlineprotectedvirtualinherited

Set data at byte offset (override in seekable IOs).

Called by setData() when offset > 0. Default returns -ENOTSUP. Seekable IOs override this to support partial writes.

Parameters

data	Reference to IODataCmn buffer containing data chunk.
offset	Byte offset into IO data.

Returns: OK on success, -ENOTSUP if not supported, other negative on error.

Reimplemented in dawn::CIODescriptor, and dawn::CIOFile.

Definition at line 774 of file common.hxx.

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◆ setDataImpl()

int CIOSysinfo::setDataImpl ( IODataCmn & data )

virtual

Set data implementation (override in derived classes).

Parameters

data	Reference to IODataCmn structure containing data.

Returns: OK on success, -ENOTSUP if not supported, other negative on error.

Reimplemented from dawn::CIOCommon.

Definition at line 128 of file sysinfo.cxx.

◆ setObjConfig()

int CObject::setObjConfig	(	SObjectCfg::ObjectCfgId	objcfg,
		uint32_t *	data,
		size_t	len
	)

inherited

Set object configuration item.

Updates a configuration item for this object.

Parameters

objcfg	Configuration ID specifying which config item to update.
data	Pointer to configuration data.
len	Length of configuration data in 32-bit words.

Returns: OK on success, negative error code on failure.

Definition at line 200 of file object.cxx.

References dawn::SObjectCfg::SObjectCfgItem::data, dawn::SObjectCfg::objectCfgGetRw(), dawn::SObjectCfg::objectCfgGetSize(), dawn::CDescObject::objectCfgItemId(), and dawn::CObject::onSetObjConfig().

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◆ start()

int dawn::CObject::start ( )

inlineinherited

Start object.

Tracks operational state and calls doStart(). This phase may run many times during an object's lifetime and should not perform one-time allocation. Sets started on successful doStart() return.

Returns: OK on success, negative error code on failure.

Definition at line 116 of file object.hxx.

References dawn::CObject::doStart().

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◆ stop()

int dawn::CObject::stop ( )

inlineinherited

Stop object.

Tracks operational state and calls doStop(). This phase may run many times during an object's lifetime and should not perform one-time deallocation. Always clears started regardless of doStop() return value.

Returns: OK on success, negative error code on failure.

Definition at line 145 of file object.hxx.

References dawn::CObject::doStop().

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◆ trigger()

virtual int dawn::CObject::trigger ( uint8_t cmd )

inlinevirtualinherited

Execute a trigger command.

Parameters

cmd	Command identifier (EObjectCmd value).

Returns: OK on success, -ENOTSUP if not supported.

Reimplemented in dawn::CIOAdcFetch, dawn::CIOAdcStream, dawn::CIOAdcSync, dawn::CIOEncoder, dawn::CIOEncoderIndex, dawn::CIOPwm, dawn::CProgBuffer, dawn::CProgCounter, dawn::CProgProcess, dawn::CProgSequencer, dawn::CProgThresholdBase, and dawn::CProgToggle.

Definition at line 195 of file object.hxx.

◆ validateDesc()

int CObject::validateDesc	(	const uint32_t *	desc,
		size_t	len
	)

staticinherited

Validate entire descriptor.

Validates a descriptor binary object-by-object using default checks.

Parameters

desc	Descriptor binary pointer.
len	Descriptor length in 32-bit words.

Returns: OK on success, negative error code indicating validation stage.

Definition at line 123 of file object.cxx.

References dawn::CObject::descValidDefault().

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

dawn/include/dawn/io/sysinfo.hxx
dawn/src/io/sysinfo.cxx

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

◆ anonymous enum

◆ anonymous enum

◆ EIOClass

◆ EIOFlags

◆ EIONotifyType

◆ EObjectState

Member Function Documentation

◆ cfgCmnOffset()

◆ cfgIdCmn()

◆ cfgIdDevno()

◆ cfgIdLimitMax()

◆ cfgIdLimitMin()

◆ cfgIdLimitStep()

◆ cfgIdNotify()

◆ configure()

◆ ddata_alloc()

◆ deinit()

◆ descValidDefault()

◆ doStart()

◆ doStop()

◆ getCfgFlag()

◆ getCls()

◆ getCmnDevno()

◆ getConfig()

◆ getData()

◆ getDataAtImpl()

◆ getDataDim()

◆ getDataImpl()

◆ getDataSize()

◆ getDesc()

◆ getDtype()

◆ getDtypeSize()

◆ getFd()

◆ getFlags()

◆ getId()

◆ getIdV()

◆ getObjConfig()

◆ getPriv()

◆ getState()

◆ getTimestamp()

◆ getType()

◆ hasThread()

◆ init()

◆ isBatch()

◆ isNotify()

◆ isRead()

◆ isSeekable()

◆ isTimestamp()

◆ isWrite()

◆ onSetObjConfig()

◆ setConfig()

◆ setData()

◆ setDataAtImpl()

◆ setDataImpl()

◆ setObjConfig()

◆ start()

◆ stop()

◆ trigger()

◆ validateDesc()