MicroSAR BswM技术参考版本15.00.00概述

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本资源是关于AUTOSAR BSWM (Basic Software Mode Manager) 的技术参考文档，版本15.00.00，由Leticia Garcia Herrara、Thomas Kuhl、Philipp Ritter、Jochen Vorreiter和Patrick Kleemann共同编撰。该文档由Vector Informatik GmbH发布，适用于AUTOSAR平台，主要关注软件模式管理器在汽车电子系统中的应用。文档历史展示了其发展过程： - 初始版本1.00.00创建于2012年8月2日，包含章节3.1、4.1、5.2和6.3的EthSM（Ethernet Switch Management）支持。 - 1.01.00版（2012年9月27日）增加了NvM（Network Virtualization Manager）的支持，涉及章节3.1、4.1、5.2和5.3。 - 1.02.00版（2013年1月31日）增添了Post-build variant支持，并对章节4.1、5.1、5.2进行了调整，同时引入了与AUTOSAR规范的差异，如章6.1中的Com_Types.h头文件。 - 从2.00.00版开始（2013年10月21日），增加了章节6.2的扩展，删除了6.3部分的一些限制，修正了DET（Driver Execution Time）错误，并在4.1.2章节中引入了动态文件。章节0和4.3也得到了新增。 - 最后，2.00.01版更新日期为2013年12月4日，但未提供具体更改细节。文档内容覆盖了基本软件模式管理器的功能，包括但不限于网络管理、构建变体处理、通信类型定义、错误处理以及与AUTOSAR标准的兼容性。这份技术参考对于理解如何在汽车电子系统中设计和实现高效、灵活的软件模式管理至关重要，有助于开发人员根据实际需求进行定制和优化。

Technical Reference Basic Software Mode Manager

based on template version 4.11.3

3 Functional Description

This chapter describes the general function of the BswM.

3.1 Features

The features listed in the following tables cover the complete functionality specified for the

BswM.

The AUTOSAR standard functionality is specified in [1]. The corresponding features are

listed in the tables:

> Table 3-1 Supported AUTOSAR Standard Conform Features

> Table 3-2 Not Supported AUTOSAR Standard Conform Features

The following features specified in [1] are supported:

Supported AUTOSAR Standard Conform Features

CanSM mode arbitration

ComM mode arbitration

Dcm mode arbitration

EcuM mode arbitration

EthSM mode arbitration

FrSM mode arbitration

J1939Dcm mode arbitration

J1939Nm mode arbitration

LinSM mode arbitration

LinTp mode arbitration

NvM mode arbitration

Sd mode arbitration

Application mode arbitration

I-PDU Group handling (activation/deactivation/deadline monitoring)

Action to handle PduR routing path groups

Nested rule execution

Rte Mode Notification and Switches

Rte Mode Request Interfaces and Ports

Watchdog Manager

Post-Build Loadable

MICROSAR Identity Manager using Post-Build Selectable [9]

Multi Partition Support

Table 3-1 Supported AUTOSAR Standard Conform Features

Technical Reference Basic Software Mode Manager

based on template version 4.11.3

3.2 Initialization

The BswM is initialized via the service functions BswM_PreInit and BswM_Init (refer

to chapter 5.2.2). On platforms in which the Random Access Memory (RAM) is not initialized

to zero by the start-up code the function BswM_InitMemory has to be called first and then

a call to BswM_PreInit and BswM_Init can be realized. All available modes are set

to the configured initialization state, which can either be undefined or set to a specific value.

If the initialization state is undefined the mode is not arbitrated until the mode

request/indication function occurs for the first time.

Note

In case of Multi Partition, each instance of the BswM must be initialized. The

BswM_PreInit function should only be called once.

3.3 States

The state machine diagram in Figure 3-1 shows the general handling of the BswM. Each

state is described as follows:

> BSWM_INIT

The BswM is initialized and ready for immediate mode arbitration requests. Deferred mode

arbitration is done within the cyclically called function BswM_MainFunction.

> BSWM_WAIT_IMMEDIATE_REQUEST

In this state the BswM waits for a mode arbitration request. The state is left if immediate

mode arbitration is requested or when BswM_MainFunction is called.

> BSWM_MAIN_FUNCTION

This state is entered when the BswM_MainFunction is called. Within

BswM_MainFunction the deferred mode arbitration is done. Immediate mode arbitration

requests which occur during the execution of BswM_MainFunction are queued and will be

executed at the end of BswM_MainFunction, when all deferred mode arbitration and

control is finished. Mode arbitration requests of type “forced immediate” are not queued and

interrupt the deferred mode arbitration.

> BSWM_MODE_ARBITRATION_AND_CONTROL

In this state the configured mode rule arbitration is done and the true-/false-action lists are

executed. New mode arbitration requests of type “immediate” are queued, arbitration

requests of type “forced immediate” are arbitrated immediately.

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