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xml_stream

pierre drezet edited this page Aug 20, 2025 · 1 revision
Peripherals\XML Stream Function Block Description ↓ Parameters ↓ Ports ↓

XML Stream Parser is a function block designed for parsing XML data streams and generating events based on the XML chunks encountered.

  • Short Description: XML Stream Parser
  • Long Description: Parses XML as a stream, generating events for the XML chunks it sees.
  • Menu Path: Peripherals > XML Stream
Name Type Default Description
ignore_script B 0 Ignore content of script tags.
ignore_entities S & Entities to ignore during parsing.
Port Type Description
reset StartPort Input event to reset the parser.
read StartPort Input event to start reading the XML stream.
data InputPort Input data to be parsed from the XML stream.
next StartPort Input event to move to the next part of the XML stream.
ignore_script InputPort Boolean input to ignore content within script tags.
ignore_entities InputPort Specifies entities to be ignored during parsing.
streamEnd StartPort Input event to signal the end of the XML stream.
startElem FinishPort Event triggered at the start of an XML element.
finishElem FinishPort Event triggered at the end of an XML element.
name OutputPort Output for the name attribute in XML.
charData FinishPort Event triggered when character data is encountered.
charData OutputPort Character data extracted from the XML stream.
attribute FinishPort Event triggered when an XML attribute is processed.
attrName OutputPort Output for the name of the XML attribute.
attrValue OutputPort Output for the value of the XML attribute.
error FinishPort Event triggered when an error occurs in parsing.
procAvail FinishPort Event indicating that a processing instruction is available.
procTarget OutputPort Output for the processing instruction target.
procInstr OutputPort Output for the processing instruction data.
comment FinishPort Event triggered when a comment is encountered.
startCDATA FinishPort Event triggered at the start of CDATA section.
finishCDATA FinishPort Event triggered at the end of CDATA section.
allDone FinishPort Event indicating all operations are complete.
State Machine None
Toolbox core/peripherals/xml_stream/ Version v1.0
Licence Type MPL2.0 Component Supplier inx ltd.
Minimum DCC A0000 Profiles All.

Core Components

Events & Triggers

State Management

  • STATE - Represents a State in Lucid
  • state_condition - Event driven state condition --> transition and actions
  • state_debug - To debug state machines this function block is required.
  • state_manager - Each state machine is defined by a State Manager

Array & Data Structures

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Primitive Data Constants

Data Converters

Boolean Logic



Mathematics

Alebraic Evaluation

Mathematical Operators

Inequalities

Trigonometry

Other Functions

Data Selection

  • indexed_mux_int - Indexed Mux Int
  • indexed_mux_str - Indexed Mux String
  • map_int - Map Int
  • mux_1b - mux_1b
  • mux_1i - mux_1i
  • mux_1r - mux_1r
  • mux_1s - mux_1s
  • mux_2b - MultiplexTwo Input Bool
  • mux_2i - MultiplexTwo Input Int
  • mux_2r - MultiplexTwo Input Real
  • mux_2s - MultiplexTwo Input String
  • mux_3b - MultiplexThree Input Bool
  • mux_3i - MultiplexThree Input Int
  • mux_3r - MultiplexThree Input Real
  • mux_3s - MultiplexThree Input String
  • mux_4b - MultiplexFour Input Bool
  • mux_4i - MultiplexFour Input Int
  • mux_4r - MultiplexFour Input Real
  • mux_4s - MultiplexFour Input String
  • mux_8b - 8-Input Indexed Boolean Multiplexer Function Block
  • mux_8i - 8-Input Indexed Integer Multiplexer Function Block
  • mux_8r - 8-Input Real Number Multiplexer Function Block
  • mux_8s - Number Multiplexer Function Block
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  • ADC Polled Analogue to Digital converter.
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Control Systems Components

PID Controllers



Machine Learning & Machine Vision

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  • mv_apriltag_reader Plain Old Prgramming AprilTag Reader
  • ml_tflite_inference Machine learning model inference.
  • ml_osvm Online iterative machine learning (training& inference).


Platform Components

System Utilities

  • reboot - Reboot the device
  • rtc - RealTimeClock - provdes date/time from RTC device or OS.
  • rtinfo - RuntimeInfo (e.g. MAC/IP address, memory,... )
  • scheduler - Weekly Scheduler
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  • rng - Random Number Generator (may use hardware RNG)

Time Components

Application Management

Over the Air Update (OTA)

  • ota - OTA Function Block for updating firmware
  • ota_data_parser - Assembles OTA data files from Devman.


Non-functional Components

Some function blocks that can be used Lucid app are for visual/organisation purposes only and do not translate into any executable ert-components.

Sub System Input/Output Ports

-Note this file is autogenerated from ert-config help files and may not currently be complete or properly categorised!

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