perf_counter/README.md

# perf_counter
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.
Initial commit 2021-01-09 13:03:56 +00:00			`# perf_counter`
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.`