Ivmuk-OS is small RTOS for microcontrollers with low resources. Microchip's PIC16F877A MCU uses about 70 bytes of RAM and 800 bytes Flash. Memory usage depends on number of tasks and messages defined. This should create competition to Salvo OS some day.
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v1.2 (*) porting for PIC16F913 chip. (*) CCS compiler adaptation. (*) tasks and messages structures were dispatched into some arrays (more efficience with this smal MCU and compiler). (*) task delay management is modified (avoid timeroverflow management). (*) Task state from waiting to running when a message is arrived, in the osSchedul() the taskState value is updated then the task is immediatly considered for the NextPrio update. (*) approximate size of the OS is 650 bytes of ROM and 90 bytes of RAM with 5 tasks and 6 messages. (*) Changes were implemented by Chaly13111 (thanks for resurrecting the project).
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