FreeRTOS V7.0.2 publishes lightweight operating systems

Source: Internet
Author: User
Keywords Operating system lightweight FreeRTOS
Tags access aliyun api cpu download functions html http

FreeRTOS V7.0.2 integrates the latest ports and access to the main download demo, adding new API functions, including changes necessary for other maintenance in the new tool version.

Kinetis cortex-m4 (including http://www.aliyun.com/zixun/aggregation/17117.html ">web server"), update Microblaze,renesas RL78, and has joined the Renesas RX200 port and demo. Other new features and enhancements are included in the V7.0.2.

FreeRTOS as a lightweight operating system, FreeRTOS provides features such as task management, time management, semaphores, Message Queuing, memory management, logging capabilities, and so on, which can basically meet the needs of smaller systems. FreeRTOS kernel support priority scheduling algorithm, each task can be given priority according to the different importance, the CPU always let in the ready state, the highest priority task first run. The freert0s kernel also supports a rotation scheduling algorithm that allows different tasks to use the same priority, and in the absence of a higher priority task, the same priority task shares the CPU usage time.

The FreeRTOS kernel can be set as a removable kernel or an inalienable kernel based on user needs. When the FreeRTOS is set as the kernel, the high priority task in the ready state can deprive the CPU right of the lower priority task, so that the system can meet the requirement of real-time; When the FreeRTOS is set as an inalienable kernel, High priority tasks in a ready state can be run only after the current task has actively freed the right to use the CPU, which can improve the efficiency of the CPU.

Download Address: Http://sourceforge.net/projects/freertos/files/FreeRTOS/V7.0.2/FreeRTOSv7.0.2.exe/download

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