Onboard SDK RTOS Sample. Recommend Environment: Hardware: STM32F407xG (External Crystal Frequency: 8MHz) IDE: Keil MDK v5.25.2.0 C Compiler: Armcc.exe V5.06 update 6 (build 750) Assembler: Armasm.exe V5.06 update 6 (build 750) Linker/Locator: ArmLink.exe V5.06 update 6 (build 750) Library Manager: ArmAr.exe V5.06 update 6 (build 750) Hex Converter: FromElf.exe V5.06 update 6 (build 750) Other toolchain: Hardware: STM32F407xG (External Crystal Frequency: 8MHz) IDE: Clion 2021.1.3 C Compiler: gcc version 9.3.1 20200408 (release) (GNU Arm Embedded Toolchain 9-2020-q2-update) Pin Definition on Extension Port: Console UART: PA2(TX), PA3(RX) Communication UART: PB10(TX), PB11(RX) PPS PIN: PD2 LED PIN: PD12 USB OTG Connector: PA11, PA12 Pin Definition on Payload Port: Console UART: PA2(TX), PA3(RX) Communication UART: PB10(TX), PB11(RX) HIGH POWER APPLY PIN: PD1 PPS PIN: PD2 LED PIN: PD12 Console Configuration: Baud Rate: 921600