The original template for STM32 Nucleo F401RE board with GCC ARM Embedded toolchain from https://github.com/metabr/stm32-nucleo-f401re-basic-template
FreeRTOSConfig.h file from https://github.com/cnoviello/stm32-nucleof4/tree/master/stm32-nucleof4-freertos
FreeRTOS from https://github.com/cjlano/freertos