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DA1458x RW内核 函数接口说明文档
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更新于2023-03-16
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DA1458x RW内核 函数接口说明文档。 RivieraWaves内核是一个小而高效的实时操作系统,提供以下功能: * 交换消息 * 消息保存 * 定时器功能 * 内核也提供了一种用于推迟行动事件功能 源码结构如下: ke_config.h 用来裁剪和设置kernel ke_env.c, .h 配置内核的环境变量 ke_event.c; .h 事件处理相关 ke_mem.c; .h 内存管理模块 ke_msg.c, .h 消息的创建处理调度 ke_queue.c; .h Contains all the functions that handle the different queues (timer queue, save queue, user queue) ke_task.c; .h Contains the implementation of the kernel task management. ke_timer.c, .h Contains the scheduler primitives called to create or delete a timer task. It contains also the timer scheduler itself.
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RivieraWaves
http://www.rivierawaves.com/
RivieraWaves confidential. This document is copyrighted and released under CDA or NDA only. Do not copy or distribute without written
authorization from RivieraWaves. Please check with RivieraWaves that this document is the latest release.
RivieraWaves Kernel
Functional Specifications
RW-BT-KERNEL-SW-FS
Version 1.1
2012-05-23
Title: RivieraWaves Kernel Document type: Functional Specifications
Reference: RW-BT-KERNEL-SW-FS Version: 1.1, Release Date: 2012-05-23
Confidential – © 2012 RivieraWaves Page 2 of 17
Revision History
Version
Date
Revision description
Author
1.00
2010-03-01
Initial Release
SBA
1.01
2012-05-23
Updated
SBA
Title: RivieraWaves Kernel Document type: Functional Specifications
Reference: RW-BT-KERNEL-SW-FS Version: 1.1, Release Date: 2012-05-23
Confidential – © 2012 RivieraWaves Page 3 of 17
1 Table of contents
Revision History ......................................................................................................................................................... 2
1 Table of contents ............................................................................................................................................... 3
2 List of Tables ...................................................................................................................................................... 4
3 Overview ........................................................................................................................................................... 5
3.1 Feature List...........................................................................................................................................................5
3.2 Source File Structure ............................................................................................................................................5
3.3 Include Files .........................................................................................................................................................5
3.4 Kernel Environment .............................................................................................................................................6
4 Messages ........................................................................................................................................................... 7
4.1 Overview ..............................................................................................................................................................7
4.2 Message Object....................................................................................................................................................7
4.3 Message Identifier ...............................................................................................................................................7
4.4 Parameter Management ......................................................................................................................................8
4.5 Message Queue Object ........................................................................................................................................8
4.6 Message Queue Primitives...................................................................................................................................8
4.6.1 Message Allocation ........................................................................................................................................8
4.6.2 Message Send.................................................................................................................................................9
4.6.3 Message Send Basic .......................................................................................................................................9
4.6.4 Message Forward .........................................................................................................................................10
4.6.5 Message Free ...............................................................................................................................................10
5 Scheduler ......................................................................................................................................................... 11
5.1 Overview ............................................................................................................................................................11
5.2 Requirements.....................................................................................................................................................11
5.2.1 Priority Management ...................................................................................................................................11
5.2.2 Scheduling Algorithm ...................................................................................................................................12
5.2.3 Save Service..................................................................................................................................................12
6 Tasks ................................................................................................................................................................ 13
6.1 Definition ...........................................................................................................................................................13
7 Kernel Timer .................................................................................................................................................... 14
7.1 Overview ............................................................................................................................................................14
7.2 Time definition ...................................................................................................................................................14
7.3 Timer Object ......................................................................................................................................................14
7.4 Timer Setting ......................................................................................................................................................14
7.5 Timer Primitives .................................................................................................................................................15
7.5.1 Timer Set ......................................................................................................................................................15
7.5.2 Timer Clear ...................................................................................................................................................15
7.5.3 Timer Activity ...............................................................................................................................................16
7.5.4 Timer Expiry..................................................................................................................................................16
8 Effective Macros .............................................................................................................................................. 17
Title: RivieraWaves Kernel Document type: Functional Specifications
Reference: RW-BT-KERNEL-SW-FS Version: 1.1, Release Date: 2012-05-23
Confidential – © 2012 RivieraWaves Page 4 of 17
2 List of Tables
Table 3.1 : Kernel files List.............................................................................................................................................5
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