1. Function description

    This example mainly demonstrates the creation and use of FreeRTOS mutex semaphores

2. Operating environment
    Software development environment: KEIL MDK-ARM V5.30.0.0
    Hardware environment: Developed based on the development board N32WB031_STB

3. Instructions

    System configuration;
        1. Clock source: HSI=64M, AHB=64M, APB1=32M, APB2=64M
        2. Port configuration:
            LED1: PB0
            LED2: PA6
            KEY1: PB1
            KEY2: PB2

    usage method:
        1. Burn to development board after compilation
        2. Check LED blinking

4. Precautions