Thumbdata Viewer ❲ESSENTIAL · Edition❳

Use a secure file shredder (like Eraser for Windows or Shreddit for Android) to overwrite the .thumbnails folder before disposing of your device.

The thumbdata file is usually stored in the .thumbnails directory of your device's internal storage or SD card. It's a hidden file, which means you won't be able to see it using a standard file manager. However, if you try to delete or modify the file, you may encounter issues with your device's performance or functionality. thumbdata viewer

For technically inclined users, this open-source Python script (available on GitHub) reads Thumbdata files and exports thumbnails. It is command-line only but runs on Windows, Mac, and Linux. Use a secure file shredder (like Eraser for

Requires Python 3.8+ and the Pillow library. Not ideal for beginners. However, if you try to delete or modify

Thumbdata is a system file used by Android devices to store thumbnail images of files, folders, and media content. When you browse through your device's file system, Android creates these thumbnail images to display a preview of the file or folder. This allows for faster and more efficient browsing, as your device doesn't need to load the full file or image.

There are several thumbdata viewers available for Android devices, including:

Thumbdata Viewer ❲ESSENTIAL · Edition❳

The AUTOSAR Compendium – Part 1 summarizes the first part of the AUTOSAR 4.0.3 specification, namely the Application Layer and the RTE. It is divided into 8 main topics:

1

2

3

4

5

6

7

8

AUTOSAR COMPENDIUM - PART 1 - Application & RTE

The first comprehensive AUTOSAR COMPENDIUM

Everything you need to know about AUTOSAR 4.0.3 may be found in the 13,620 pages of the AUTOSAR specifications.

Then why would you need this book?

Because the official AUTOSAR documents are written as a specification and not as a guideline! What makes matters worse is that the documents are structured and formulated as requirements. This is perfect if you need to implement the AUTOSAR standard but not so much if you simply want to know how to use it.

Furthermore, while PDF files are well-suited for searching they can’t compare with a handy book where you can easily add your own personal comments and attach nice little colored sticky notes.

The AUTOSAR Compendium – Part 1 summarizes the first part of the AUTOSAR 4.0.3 specification, namely the Application Layer and the RTE. It explains all of the different attributes, their usage and logical connections with other parts of the specification. And it accelerates your work with AUTOSAR considerably by answering the most commonly posed questions. All this, enriched with practical examples on tool-configuration, ARXML-code, generated RTE-code and actual C-code implementations. The Compendium is a priceless reference for software architects and software engineers who work with AUTOSAR each day.

Facts: ISBN-10: 1502751526, ISBN-13: 978-1502751522, Size 8.5″ x 11″ x 0.9″, 406 pages

AUTOSAR Compendium - Part 1: Application & RTE Oliver Scheid 1.0 978-1502751522

The thumbdata file is usually stored in the .thumbnails directory of your device's internal storage or SD card. It's a hidden file, which means you won't be able to see it using a standard file manager. However, if you try to delete or modify the file, you may encounter issues with your device's performance or functionality.

For technically inclined users, this open-source Python script (available on GitHub) reads Thumbdata files and exports thumbnails. It is command-line only but runs on Windows, Mac, and Linux.

Requires Python 3.8+ and the Pillow library. Not ideal for beginners.

Thumbdata is a system file used by Android devices to store thumbnail images of files, folders, and media content. When you browse through your device's file system, Android creates these thumbnail images to display a preview of the file or folder. This allows for faster and more efficient browsing, as your device doesn't need to load the full file or image.

There are several thumbdata viewers available for Android devices, including:

7   Ports, Port Interfaces and ComSpec
7.1   Port (PortPrototype, RPortPrototype, PPortPrototype)
7.2   Port Interface (PortInterface)
7.2.1   Service Port Interface (isService, serviceKind)
7.2.2   Port Interface Compatibility
7.2.3   Port Interface Mapping (PortInterfaceMappingSet , PortInterfaceMapping)
7.2.3.1   ClientServerInterfaceMapping
7.2.3.2   ModeInterfaceMapping
7.2.3.3   TriggerInterfaceMapping
7.2.3.4   Data Interface Mapping (VariableAndParameterInterfaceMapping)
7.2.3.5   Data Prototype Mapping (DataPrototypeMapping)
7.2.3.6   Table Conversion (TextTableMapping)
7.2.3.7   Mapping Direction (mappingDirection)
7.2.3.8   Interface Conversion Blocks (Data Conversion)
7.3   Port Communication Specification (ComSpec, RPortComSpec, PPortComSpec)
7.4   Client-Server Port (C/S Port)
7.4.1   Client-Server Port Interface (ClientServerInterface)
7.4.1.1   Client-Server Operation (ClientServerOperation)
7.4.1.1.1   Application Errors in Client-Server Communication (possibleError, ApplicationError)
7.4.1.1.2   Generated Function Calls for Client-Server Operations
7.4.2   Client-Server Port ComSpec (ClientComSpec, ServerComSpec)
7.4.2.1   Queued Server Port Communication (queueLength)
7.4.2.2   Client / Server ComSpec Operation
7.4.3   C/S Port Annotation (ClientServerAnnotation)
7.4.4   Server Port Annotation for the I/O Hardware Abstraction Layer (IoHwAbstractionServerAnnotation)
7.4.4.1   Signal Age (age)
7.4.4.2   bswResolution
7.4.4.3   failureMonitoring
7.4.4.4   filteringDebouncing
7.4.4.5   pulseTest
7.5   Sender-Receiver Port (S/R Port)
7.5.1   Sender-Receiver Port Interface (SenderReceiverInterface)
7.5.1.1   Data Element Invalidation (InvalidationPolicy, handleInvalid)
7.5.2   Sender-Receiver Port ComSpec
7.5.2.1   Sender Port ComSpec Attributes (SenderComSpec, QueuedSenderComSpec, NonqueuedSenderComSpec)
7.5.2.1.1   Handle Out-Of-Range (handleOutOfRange)
7.5.2.1.2   Network Representation (NetworkRepresentation)
7.5.2.1.3   Transmission Acknowledgement (transmissionAcknowledge)
7.5.2.2   Receiver Port ComSpec Attributes (ReceiverComSpec, QueuedReceiverComSpec, NonqueuedReceiverComSpec)
7.5.2.2.1   External Replacement (externalReplacement)
7.5.2.2.2   handleOutOfRangeStatus
7.5.2.2.3   Maximum Delta Counter Init Value (maxDeltaCounterInit)
7.5.2.2.4   Alive Timeout (aliveTimeout)
7.5.2.2.5   Enable Update (enableUpdate)
7.5.2.2.6   Filter (DataFilter)
7.5.2.2.7   Never Received (handleNeverReceived)
7.5.2.2.8   Timeout Type (handleTimeoutType)
7.5.2.2.9   Non-Queued S/R-Communication
7.5.2.2.10   Queued S/R-Communication (queueLength)
7.5.2.2.10.1   Queued with n:1 Communication
7.5.2.2.10.2   Queued with 1:n Communication
7.5.3   Sender-Receiver Port Annotation (SenderReceiverAnnotation)
7.5.4   Implicit / Explicit Communication
7.5.5   Generated Function Calls for S/R Port Access and Code Example
7.6   Parameter Port
7.6.1   Parameter Port Interface (ParameterInterface)
7.6.2   Parameter Port ComSpec (ParameterProvideComSpec, ParameterRequireComSpec)
7.6.3   Parameter Port Annotation (ParameterPortAnnotation)
7.7   Nonvolatile Data Port
7.7.1   Nonvolatile Data Port Interface (NvDataInterface)
7.7.2   Nonvolatile Data Port ComSpec (NvRequireComSpec, NvProvideComSpec)
7.7.3   Nonvolatile Data Port Annotation (NvDataPortAnnotation)
7.8   Trigger Port
7.8.1   Trigger Port Interface (TriggerInterface)
7.8.1.1   External Trigger (Trigger)
7.8.2   Trigger Port ComSpec
7.8.3   Trigger Port Annotation (TriggerPortAnnotation)
7.9   Mode Switch Port
7.9.1   Mode Switch Port Interface (ModeSwitchInterface)
7.9.2   Mode Switch Port ComSpec (ModeSwitchSenderComSpec, ModeSwitchReceiverComSpec)
7.9.3   Mode Switch Port Annotation (ModePortAnnotation)
7.9.4   Enhances Mode API (enhancedModeApi)
7.10   Delegation Port
7.10.1   Delegation Port ComSpec
7.10.2   Delegated Port Annotation (DelegatedPortAnnotation)
7.10.2.1   Signal Fan (signalFan)
7.11   Unconnected Ports
7.12   Port Groups (PortGroup)
7.13   AUTOSAR Services
8   Internal Behavior (SwcInternalBehavior)
8.1   Termination and Restart (handleTerminationAndRestart)
8.2   Multiple Instantiation (supportsMultipleInstantiation)
8.2.1   Instance Handle
8.3   Included Data Type Set (includedDataTypeSet)
8.4   Runnable Entity – Runnable (RunnableEntity)
8.4.1   Minimum Start Interval (minimumStartInterval)
8.4.2   Concurrency and Reentrancy of Runnable Entities (canBeInvokedConcurrently)
8.4.2.1   supportsMultipleInstantiation = FALSE, canBeInvokedConcurrently = FALSE
8.4.2.2   supportsMultipleInstantiation = TRUE, canBeInvokedConcurrently = FALSE
8.4.2.3   supportsMultipleInstantiation = FALSE, canBeInvokedConcurrently = TRUE
8.4.2.4   supportsMultipleInstantiation = TRUE, canBeInvokedConcurrently = TRUE
8.4.3   Arguments of a Runnable Entity (argument, symbol)
8.4.4   Runnables Accessing Ports (Access Points)
8.4.4.1   Scope of a Variable Access (VariableAccess, scope)
8.4.4.2   Implicit and Explicit Sending and Receiving (Sender Receiver Communication)
8.4.4.3   Invoking an Operation (ServerCallPoint)
8.4.4.3.1   Communication Time-out (timeout)
8.4.4.3.2   Synchronous Client-Server Communication (SynchronousServerCallPoint)
8.4.4.3.3   Asynchronous Client-Server Communication (AsynchronousServerCallPoint)
8.4.4.3.4   Queued Client-Server Communication (ServerComSpec.queueLength>1)
8.4.4.4   Parameter Access
8.4.4.5   Runnable Entities and Mode Management (modeAccessPoint, modeSwitchPoint)
8.4.4.6   Invoking an External Trigger (ExternalTriggeringPoint)
8.4.4.7   Invoking an Internal Trigger (InternalTriggeringPoint)
8.4.5   Wait Points (WaitPoint)
8.4.6   Cyclic Activation of Runnable Entities
8.5   Interrunnable Variable (explicitInterRunnableVariable, implicitInterRunnableVariable)
8.6   Exclusive Area
8.7   Inter Runnable Triggering (InternalTriggeringPoint)
8.8   Per Instance Parameter (PerInstanceParameter)
8.9   Per Instance Memory (PIM, PerInstanceMemory)
8.10   Constant Memory (constantMemory)
8.11   Static Memory (staticMemory)
8.12   Shared Parameters (SharedParameter)
8.13   Port API Option (PortAPIOption)
8.13.1   Take Address (enableTakeAddress)
8.13.2   Indirect API (indirectAPI)
8.14   Service Dependencies / Service Needs (SwcServiceDependency / ServiceNeeds)
8.14.1   Role Based Data Assignment (RoleBasedDataAssignment, assignedData)
8.14.2   Role Based Port Assignment (RoleBasedPortAssignment, assignedPort)
9   Software Component Implementation (SwcImplementation)
9.1   Code Descriptor (codeDescriptor, Code)
9.1.1   AutosarEngineeringObject
9.2   Compiler, Linker
9.3   Generated Artifact (generatedArtifact, requiredArtifact)
9.4   Measurement & Calibration Support (mcSupport, McSupportData)
9.5   Resource Consumption (ResourceConsumption)
9.6   Mapping of SwcInternalBehavior to BswInternalBehavior (SwcBswMapping)

10   Runtime Environment (RTE)
10.1   Communication Modes (implicit / explicit)
10.2   Standard RTE return codes
10.3   RTE Events (RTEEvent)
10.3.1   DataReceivedEvent
10.3.2   DataReceiveErrorEvent
10.3.3   DataSendCompletedEvent, DataWriteCompletedEvent
10.3.4   SwcModeSwitchEvent
10.3.5   ModeSwitchedAckEvent
10.3.6   OperationInvokedEvent
10.3.7   AsynchronousServerCallReturnsEvent
10.3.8   TimingEvent
10.3.9   BackgroundEvent
10.3.10   ExternalTriggerOccurredEvent
10.3.11   InternalTriggerOccurredEvent
10.3.12   Disable Events for Specific Modes (disabledMode)
10.4   RTE Generator
10.4.1   Generator Principles
10.4.1.1   Compatibility / Vendor Mode
10.4.1.2   Optimization Modes
10.4.1.3   Generator External Configuration Switches
10.4.1.3.1   Unconnected R-Port Check (strictUnconnectedRPortCheck)
10.4.1.3.2   Missing Input Configuration Check (strictConfigurationCheck)
10.4.1.3.3   Missing Initialization Values (strictInitialValuesCheck)
10.4.1.3.4   Data Emulation
10.4.2   RTE Generation Process
10.4.2.1   System Extract and ECU Extract
10.4.2.2   RTE Contract Phase
10.4.2.2.1   PreBuild Data Set Contract Phase
10.4.2.3   RTE Generation Phase
10.4.3   RTE Modules
10.4.3.1   RTE Header File (Rte.h)
10.4.3.2   RTE Types Header File (Rte_Type.h)
10.4.3.3   RTE Data Handle Types Header File (Rte_DataHandleType.h)
10.4.3.4   Application Header File
10.4.3.5   Application Types Header File
10.4.3.6   VFB Tracing Header File (Rte_Hook.h)
10.4.3.7   RTE Configuration Header File (Rte_Cfg.h)
10.4.3.8   Generated RTE (Rte.c)
10.4.3.9   RTE Post Build Variant Sets (Rte_PBCfg.h)
10.5   Tasks (OsTask)
10.6   Mapping of RTE Events (or RunnableEntity) to Tasks
10.6.1   Evaluation and Execution Order (RtePositionInTask)
10.6.2   Schedule Points (RteOsSchedulePoint)
10.6.3   Mapped to Task (RteMappedToTaskRef, RteVirtuallyMappedToTaskRef)
10.6.4   OS Interaction (UsedOsEventRef, RteUsedOsAlarmRef, RteUsedOsSchTblExpiryPointRef)
10.7   Addressing Method (SwAddrMethod)
10.7.1   Memory Allocation Keyword (MemoryAllocationKeywordPolicyType)
10.7.2   Memory Section Initialization (SectionInitializationPolicyType)
10.7.3   Memory Section Type (MemorySectionType)
10.8   Memory Sections (MemorySection)
10.9   RTE ECU Configuration
10.10   RTE PreBuild Configuration (EcucVariationResolver, PredefinedVariant, SwSystemconst)
10.11   RTE PostBuild Configuration
11   Mode Management
11.1   Mode Declaration Group (ModeDeclarationGroupPrototype, ModeDeclarationGroup)
11.1.1   Categories of Mode Declaration Groups, onTransitionValue
11.1.2   Initial Mode (initialMode)
11.2   Mode User
11.3   Mode Manager
11.4   Mode Requester
11.5   Mode Switch Procedures (supportsAsynchronousModeSwitch)
11.6   Queueing of Mode Switches (queueLength)
11.7   Distributed Mode Management (Inter ECU, Inter Partition)
12   Interaction with Hardware
12.1   ECU Hardware
12.2   Microcontroller Peripherals and MCAL
12.3   ECU Abstraction Layer
12.3.1   Scaling to an AUTOSAR Signal
12.3.2   Interface with MCAL drivers
12.3.2.1   Callback Notifications
12.3.3   Hardware Protection (Interaction with Dem)
12.3.4   Hardware Diagnostics (Interaction with Dcm)
12.3.4.1   IoHwAb_Dcm
12.3.4.2   IoHwAb_Dcm_Read
12.3.5   Mapping of the Internal Behaviors and Scheduling
12.3.6   Other Standardized Interfaces
12.3.6.1   IoHwAb_Init
12.3.6.2   IoHwAb_GetVersionInfo
12.3.7   Inter Module Check, Error Classification, Detection and Notification
12.4   Application Layer
12.4.1   Sensor-Actuator Software Component
12.4.2   Application Software Component
12.5   ECU Resource
12.5.1   Hardware Attribute Value (HwAttributeValue)
12.5.2   Hardware Type (HwType)
12.5.3   Hardware Element (HwElement)
12.5.3.1   Hardware Element Categories
12.5.4   Hardware Pin Group (HwPinGroup)
12.5.5   Hardware Pin (HwPin)
12.5.6   Hardware Connection (HwElementConnector)
12.5.7   Hardware Category (HwCategory)
13   Implementation Integration
13.1   Compiler Abstraction (Compiler.h)
13.1.1   Definitions
13.1.2   Macros for Functions, Pointers, Constants and Variables
13.1.2.1   Function Definition (FUNC)
13.1.2.2   Function Returning a Pointer to a Constant (FUNC_P2CONST)
13.1.2.3   Function Returning a Pointer to a Variable (FUNC_P2VAR)
13.1.2.4   Pointer to Variable (P2VAR)
13.1.2.5   Pointer to Constant (P2CONST)
13.1.2.6   Constant Pointer to Variable (CONSTP2VAR)
13.1.2.7   Constant Pointer to Constant (CONSTP2CONST)
13.1.2.8   Pointer to Function (P2FUNC)
13.1.2.9   Constant CONST
13.1.2.10   Variable VAR
13.1.3   Memory Classes and Pointer Classes
13.2   Memory Mapping (MemMap.h)
13.2.1   Include Strategy of MemMap.h
13.2.1.1   ALIGNMENT
13.2.1.2   INIT_POLICY
13.2.1.3   _START_SEC_ and _STOP_SEC_
13.2.1.4   Memory Allocation Keywords
13.2.2   Memory Mapping Configuration
14   Measurement and Calibration
14.1   Measurement
14.1.1   General Measurement Disabling Switch
14.2   Calibration
14.2.1   Port-Based Calibration
14.2.2   Private Calibration
14.3   Generation of McSupportData
14.4   XCP
15   Variant Handling
15.1   Variation Point (VariationPoint)
15.2   Post Build Variant Criterion Value Set (PostBuildVariantCriterionValueSet)
15.3   Post Build Variant Criterion Value (PostBuildVariantCriterionValue)
15.4   Predefined Variant (PredefinedVariant)
15.5   System Constant Value Set (SwSystemconstantValueSet)
15.6   System Constant Value (SwSystemconstValue)
15.7   Choosing a Variant
15.8   Software Component Variability
15.8.1   Internal Behavior Variability
15.8.2   Port Variability
15.8.3   Connector Variability
15.8.4   Documentation Variability
16   Partial Networking, Virtual Function Cluster (VFC)
16.1   VFC Control Ports, VFC Controllers
16.2   VFC Status Ports
17   Partitions and Multicore
17.1   Multicore
17.2   Partitions
17.3   Inter-Partition / Inter-Core Communication
17.4   Inter OS-Application Communication (IOC)
17.4.1   Accessing COM From Slave Core in Multicore Configuration (via IOC)
18   End to End Protection (E2E)
18.1   E2E Profile
18.2   E2E Data Id (dataId)
18.3   E2E Data Id Mode (dataIdMode)
18.4   E2E Initial Maximum Gap (maxDeltaCounterInit)
18.5   E2E CRC Offset (crcOffset)
18.6   E2E Counter Offset (counterOffset)
19   Appendix
19.1   Libraries
19.2   Index
19.3   Table Reference
19.4   File Tree of AUTOSAR 4.0 Specifications

Thumbdata Viewer ❲ESSENTIAL · Edition❳

Thumbdata Viewer ❲ESSENTIAL · Edition❳

The first comprehensive AUTOSAR COMPENDIUM

Table of Contents