Intro
=====


## Build Variables


### CMake

#### arena_generated.cmake via. board-json

| Variable             | Description                    |
|:=====================|:===============================|
| ARENA_LINKERSCRIPT   | Absolute path of linker script |
| ARENA_OPENOCD_CONFIG |                                |
| HSE_VALUE            |                                |
| MCU_FLAGS            | CFLAGS for MCU                 |
| MCU_PLATFORM         |                                |
| MCU_REV              |                                |
| MCU_REV_LONG         |                                |
| MCU_FLASH_SIZE       |                                |

### LD arena_generated.ls via board-json

| Variable             | Description                    |
|:=====================|:===============================|
| __flash_page_size    |                                |
| __flash_size         |                                |
| __ram_size           |                                |


### CPP Defines

#### arena_generated.cmake via. board-json

| Variable             | Description                    |
|:=====================|:===============================|
| MCU_PLATFORM_STM32   |                                |
| STM32                |                                |
| STM32F0              |                                |
| STM32F042gx          |                                |
| STM32F042x4          |                                |
| STM32F042x6          |                                |
| STM32F042xx          |                                |
| MCU_FLASH_SIZE       |                                |

#### FindArenaBoard.cmake via arena_generated.cmake

| Variable             | Description                    |
|:=====================|:===============================|
| MCU_REV_LONG         |                                |
| ARENA_BOARD          |                                |
| MCU_FLASH_SIZE       |                                |


#---fin-----------------------------------------------------------------------
