Dawn Framework 1.0
Universal data acquisition framework for embedded systems
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
dawn::CProgAdjust Class Reference

Data scaling and offset transformation PROG. More...

#include <adjust.hxx>

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Public Types

enum  { CMD_RESET = 0 , CMD_TRIGGER1 = 1 , CMD_TRIGGER2 = 2 , CMD_TRIGGER3 = 3 }
 Control command identifiers for control() More...
 
enum  { PROG_ADJUST_CFG_FIRST = 0 , PROG_ADJUST_CFG_IOBIND = 1 , PROG_ADJUST_CFG_PARAMS = 2 , PROG_ADJUST_CFG_LAST = 31 }
 
enum  
 Default descriptor validation failure codes. More...
 
enum  
 Common configuration IDs.
 
enum  EObjectState { STATE_STOPPED = 0 , STATE_RUNNING = 1 }
 Object operational state returned by getState() More...
 
enum  EProgClass {
  PROG_CLASS_ANY = 0 , PROG_CLASS_STATS_MIN = 1 , PROG_CLASS_STATS_MAX = 2 , PROG_CLASS_STATS_AVG = 3 ,
  PROG_CLASS_STATS_SUM = 4 , PROG_CLASS_STATS_COUNT = 5 , PROG_CLASS_STATS_RMS = 8 , PROG_CLASS_SAMPLING = 6 ,
  PROG_CLASS_DUMMY = 7 , PROG_CLASS_ADJUST = 10 , PROG_CLASS_GATEWAY = 11 , PROG_CLASS_LATEST = 12 ,
  PROG_CLASS_REDIRECT = 13 , PROG_CLASS_MOVING_AVG = 14 , PROG_CLASS_IIR_FILTER = 15 , PROG_CLASS_THRESHOLD = 16 ,
  PROG_CLASS_THRESHOLD_VALUE = 17 , PROG_CLASS_BUFFER = 18 , PROG_CLASS_SEQUENCER = 19 , PROG_CLASS_BITSPLIT = 20 ,
  PROG_CLASS_TOGGLE = 21 , PROG_CLASS_COUNTER = 22 , PROG_CLASS_SWITCH = 23 , PROG_CLASS_EXPRESSION = 24 ,
  PROG_CLASS_SELECTOR = 25 , PROG_CLASS_BITPACK = 26 , PROG_CLASS_CONFIGWRITER = 27 , PROG_CLASS_VECPACK = 28 ,
  PROG_CLASS_VECSPLIT = 29 , PROG_CLASS_MANYTOONE = 30 , PROG_CLASS_ONETOMANY = 31 , PROG_CLASS_IOMUX = 32 ,
  PROG_CLASS_IODEMUX = 33 , PROG_CLASS_USER = 511 , PROG_CLASS_LAST
}
 Program object class types. More...
 

Public Member Functions

int configure ()
 Configure object from descriptor data.
 
int deinit ()
 De-initialize object.
 
int doStart ()
 Start implementation hook.
 
bool getCfgFlag () const
 Check if configuration flag is set.
 
uint16_t getCls () const
 Get object class field.
 
CDescObjectgetDesc ()
 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.
 
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.
 
CIOCommongetIO (SObjectId::ObjectId id)
 Get an I/O object by ID.
 
const std::map< SObjectId::ObjectId, CIOCommon * > & getIOMap () const
 Get the I/O map for this object.
 
int getObjConfig (SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len)
 Get object configuration item.
 
CObjectgetObject (SObjectId::ObjectId id)
 Get an object by ID.
 
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.
 
int setObjConfig (SObjectCfg::ObjectCfgId objcfg, uint32_t *data, size_t len)
 Set object configuration item.
 
void setObjectMapItem (SObjectId::ObjectId id, CObject *obj)
 Set an item in the object map.
 
int start ()
 Start object.
 
int stop ()
 Stop object.
 
virtual int trigger (uint8_t cmd)
 Execute a trigger command.
 

Static Public Member Functions

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

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

Detailed Description

Data scaling and offset transformation PROG.

Transforms input I/O data by applying scale and offset operations:

output = (input * scale) + offset

Provides real-time value adjustment for sensor calibration, unit conversion, and data range normalization.

Definition at line 30 of file adjust.hxx.

Member Enumeration Documentation

◆ 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
Enumerator
PROG_ADJUST_CFG_FIRST 

reserved

PROG_ADJUST_CFG_IOBIND 

I/O binding configuration.

PROG_ADJUST_CFG_PARAMS 

Adjustment parameters (scale, offset)

PROG_ADJUST_CFG_LAST 

reserved

Definition at line 33 of file adjust.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.

◆ EObjectState

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.

◆ EProgClass

Program object class types.

Enumerator
PROG_CLASS_ANY 

Generic PROG type.

PROG_CLASS_STATS_MIN 

Minimum value tracker.

PROG_CLASS_STATS_MAX 

Maximum value tracker.

PROG_CLASS_STATS_AVG 

Running average calculator.

PROG_CLASS_STATS_SUM 

Sum accumulator.

PROG_CLASS_STATS_COUNT 

Sample counter.

PROG_CLASS_STATS_RMS 

Running RMS (root mean square) calculator.

PROG_CLASS_SAMPLING 

Periodic data sampler.

PROG_CLASS_DUMMY 

Dummy program (test/helper).

PROG_CLASS_ADJUST 

Scale/offset adjustment.

PROG_CLASS_GATEWAY 

Protocol-to-protocol IO gateway.

PROG_CLASS_LATEST 

Cache latest notified sample for fetch-based readers.

PROG_CLASS_REDIRECT 

Generic input-to-output routing bridge.

PROG_CLASS_MOVING_AVG 

Moving average filter.

PROG_CLASS_IIR_FILTER 

First-order IIR filter.

PROG_CLASS_THRESHOLD 

Threshold and hysteresis comparator.

PROG_CLASS_THRESHOLD_VALUE 

Threshold comparator returning gated source value.

PROG_CLASS_BUFFER 

Notify-driven history capture buffer.

PROG_CLASS_SEQUENCER 

Periodic state sequencer.

PROG_CLASS_USER 

User-defined PROG types start here.

Definition at line 31 of file common.hxx.

Member Function Documentation

◆ configure()

int CProgAdjust::configure ( )
virtual

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 from dawn::CObject.

Definition at line 440 of file adjust.cxx.

References dawn::SObjectId::DTYPE_B16, dawn::SObjectId::DTYPE_DOUBLE, dawn::SObjectId::DTYPE_FLOAT, dawn::SObjectId::DTYPE_INT16, dawn::SObjectId::DTYPE_INT32, dawn::SObjectId::DTYPE_INT64, dawn::SObjectId::DTYPE_INT8, dawn::SObjectId::DTYPE_UINT16, dawn::SObjectId::DTYPE_UINT32, dawn::SObjectId::DTYPE_UINT64, dawn::SObjectId::DTYPE_UINT8, dawn::SObjectCfg::fToB16ToCfg(), dawn::SObjectCfg::fToCfg(), dawn::CObject::getDesc(), dawn::SObjectCfg::i32ToCfg(), dawn::SObjectId::objectIdGetDtype(), and dawn::SObjectCfg::u32ToCfg().

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◆ deinit()

int CProgAdjust::deinit ( )
virtual

De-initialize object.

Clean up resources allocated during init().

Returns
OK on success, negative error code on failure.

Reimplemented from dawn::CObject.

Definition at line 524 of file adjust.cxx.

◆ 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
dataDescriptor data pointer.
lenLength 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()

int CProgAdjust::doStart ( )
virtual

Start implementation hook.

Override in derived classes instead of start().

Returns
OK on success, negative error code on failure.

Reimplemented from dawn::CObject.

Definition at line 598 of file adjust.cxx.

◆ doStop()

virtual int dawn::CObject::doStop ( )
inlineprotectedvirtualinherited

◆ 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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◆ 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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◆ 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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◆ getIO()

CIOCommon * CBindableObject::getIO ( SObjectId::ObjectId  id)
inherited

Get an I/O object by ID.

Parameters
idObject ID to retrieve.
Returns
Pointer to the I/O object, or nullptr if not found.

Definition at line 41 of file bindable.cxx.

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◆ getIOMap()

const std::map< SObjectId::ObjectId, CIOCommon * > & CBindableObject::getIOMap ( ) const
inherited

Get the I/O map for this object.

Returns
Pointer to a map of object IDs to I/O objects.

Definition at line 18 of file bindable.cxx.

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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
objcfgConfiguration ID specifying which config item to retrieve.
dataPointer to buffer for configuration data.
lenLength 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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◆ getObject()

CObject * CBindableObject::getObject ( SObjectId::ObjectId  id)
inherited

Get an object by ID.

Parameters
idObject ID to retrieve.
Returns
Pointer to the object, or nullptr if not found.

Definition at line 52 of file bindable.cxx.

References dawn::CBindableObject::getIO(), dawn::SObjectId::objectIdGetType(), and dawn::SObjectId::OBJTYPE_IO.

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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.

◆ 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 CProgAdjust::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 538 of file adjust.cxx.

References dawn::CIOCommon::ddata_alloc(), and dawn::CBindableObject::getIO().

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◆ 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
objcfgConfiguration ID that will be updated.
dataPointer to new config words.
lenNumber 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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◆ 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
objcfgConfiguration ID specifying which config item to update.
dataPointer to configuration data.
lenLength 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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◆ setObjectMapItem()

void CBindableObject::setObjectMapItem ( SObjectId::ObjectId  id,
CObject obj 
)
inherited

Set an item in the object map.

Parameters
idObject ID to set.
objObject pointer to associate with the ID.

Definition at line 23 of file bindable.cxx.

References dawn::SObjectId::objectIdGetType(), and dawn::SObjectId::OBJTYPE_IO.

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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
cmdCommand 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
descDescriptor binary pointer.
lenDescriptor 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: