# Sub-directories in this lesson:
```
|
+---qpc             - QP/C real-time embedded framework
|
......................projects for this lesson.............................
|
+---stm32f401-keil
|    \---RTE
|         \---Devices
|              \---STM32F401RETx
|                       startup_stm32f401xe.s - startup with increased stack size
|        ...
|       lesson.uvprojx - KEIL project for NUCLEO-F401
|
\---tm4c123-qm-keil
     \---RTE
          \---Devices
               \---TM4C123GH6PM
                        startup_TM4C123.s    - startup with increased stack size
         ...
        ...
        lesson.uvprojx - KEIL project for TM4C123 (TivaC), qpc framework
```