From 9f95ff5b6ba01db09552b84a0ab79607060a2666 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Wed, 11 Dec 2019 08:59:21 +0100 Subject: Official ARM version: v5.4.0 Add CMSIS V5.4.0, please refer to index.html available under \docs folder. Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure used in existing projects, and thus avoid projects mass update Note: the following components have been removed from ARM original delivery (as not used in ST packages) - CMSIS_EW2018.pdf - .gitattributes - .gitignore - \Device - \CMSIS - \CoreValidation - \DAP - \Documentation - \DoxyGen - \Driver - \Pack - \RTOS\CMSIS_RTOS_Tutorial.pdf - \RTOS\RTX - \RTOS\Template - \RTOS2\RTX - \Utilities - All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2 Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3 --- docs/RTOS/html/rtxImplementation.html | 163 ++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 docs/RTOS/html/rtxImplementation.html (limited to 'docs/RTOS/html/rtxImplementation.html') diff --git a/docs/RTOS/html/rtxImplementation.html b/docs/RTOS/html/rtxImplementation.html new file mode 100644 index 0000000..73fdaf2 --- /dev/null +++ b/docs/RTOS/html/rtxImplementation.html @@ -0,0 +1,163 @@ + + + + + +RTX Implementation +CMSIS-RTOS: RTX Implementation + + + + + + + + + + + + + + +
+
+ + + + + + + +
+
CMSIS-RTOS +  Version 1.03 +
+
Real-Time Operating System: API and RTX Reference Implementation.
+
+
+ +
+
    + +
+
+ + + +
+
+ +
+
+
+ +
+ + + + +
+ +
+ +
+
+
RTX Implementation
+
+
+

This version of RTX implements the CMSIS-RTOS API, which is a generic RTOS interface for Cortex-M processor-based devices. The CMSIS-RTOS API provides a standardized interface for software components that require RTOS functionality. This RTX implementation gives therefore serious benefits to the users and the software industry.

+
    +
  • The unified feature set of the CMSIS-RTOS API simplifies sharing of software components and reduces learning efforts.
    • +
  • Middleware components that use the CMSIS-RTOS API are RTOS agnostic and CMSIS-RTOS compliant middleware is easier to adapt.
    • +
  • This RTX implementation is available under the Apache-2.0 license and can be freely distributed with project templates.
    • +
+

The CMSIS-RTOS RTX manages the resources of the microcontroller system and implements the concept of parallel threads that run concurrently. There are many advantages of using the CMSIS-RTOS RTX kernel.

+

Applications frequently require several concurrent activities. RTX can manage multiple concurrent activities at the time when they are needed. Each activity gets a separate thread which executes a specific task and this simplifies the overall program structure. The CMSIS-RTOS RTX system is scalable and additional threads can be added easily at a later time. Threads have a priority allowing faster execution of time-critical parts of an user application.

+

The CMSIS-RTOS RTX offers services needed in many real-time applications, for example, periodical activation of timer functions, memory management, and message exchange between threads with time limits.

+
+RTX_Structure.png +
+CMSIS-RTOS RTX Structure
+

Compared to the classic Keil RTX version, the CMSIS-RTOS RTX library is extended with the CMSIS API interface module (source file rt_cmsis.c) which implements the function translation. The header file cmsis_os.h provides the API to the CMSIS-RTOS RTX for the user application. Refer to Create an RTX Project for more information.

+

CMSIS-RTOS RTX has several options that are configured with the RTX_Conf_CM.c file. Refer to Configure RTX for more information.

+

Attributes of the CMSIS-RTOS RTX implementation:

+ +

The following sections provide further details:

+ +
+
+ + + + -- cgit