perf_counter/README.md

# perf_counter (v1.9.4)
A dedicated performance counter for Cortex-M systick. It shares the SysTick with users' original SysTick function without interfering with it. This library will bring new functionalities, such as performance counter, delay_us and clock() service defined in time.h.
Update README.md 2022-04-13 19:48:20 +01:00			`# perf_counter (v1.9.4)`
Add support for FreeRTOS 2021-12-22 23:11:09 +00:00			`A dedicated performance counter for Cortex-M systick. It shares the SysTick with users' original SysTick function without interfering with it. This library will bring new functionalities, such as performance counter, delay_us and clock() service defined in time.h.`