| .. _stm32f0_disco_board: |
| |
| ST STM32F0 Discovery |
| #################### |
| |
| Overview |
| ******** |
| |
| The STM32F0 Discovery development board uses an STM32F051R8T6 MCU and |
| integrates the ST-LINK/V2-1 debugger and programmer. It also comes with a |
| comprehensive STM32 software HAL library and various packaged software |
| examples. |
| |
| .. image:: img/stm32f0_disco.jpg |
| :align: center |
| :alt: STM32F0DISCOVERY |
| |
| More information about the board can be found at the `STM32F0DISCOVERY website`_. |
| |
| Hardware |
| ******** |
| |
| The STM32 Discovery board features: |
| |
| - STM32F051R8T6 microcontroller featuring 64 KB Flash memory, 8 KB RAM in an |
| LQFP64 package |
| - On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone |
| ST-LINK/V2 (with SWD connector for programming and debugging) |
| - Board power supply: through USB bus or from an external 5 V supply voltage |
| - External application power supply: 3 V and 5 V |
| - Four LEDs: |
| |
| - LD1 (red) for 3.3 V power on |
| - LD2 (red/green) for USB communication |
| - LD3 (green) for PC9 output |
| - LD4 (blue) for PC8 output |
| - Two push buttons (user and reset) |
| - Extension header for all LQFP64 I/Os for quick connection to prototyping board |
| and easy probing |
| - An additional board is provided which can be connected to the extension |
| connector for even easier prototyping and probing. |
| - Comprehensive free software including a variety of examples, part of |
| STM32CubeF0 package or STSW-STM32049 for legacy Standard Libraries usage |
| |
| More information about STM32F051R8 can be found in the `STM32F0x8 reference manual`_. |
| |
| Supported Features |
| ================== |
| |
| The Zephyr stm32f0_disco board configuration supports the following hardware features: |
| |
| +-----------+------------+-------------------------------------+ |
| | Interface | Controller | Driver/Component | |
| +===========+============+=====================================+ |
| | NVIC | on-chip | nested vector interrupt controller | |
| +-----------+------------+-------------------------------------+ |
| | UART | on-chip | serial port-polling; | |
| | | | serial port-interrupt | |
| +-----------+------------+-------------------------------------+ |
| | PINMUX | on-chip | pinmux | |
| +-----------+------------+-------------------------------------+ |
| | GPIO | on-chip | gpio | |
| +-----------+------------+-------------------------------------+ |
| | CLOCK | on-chip | reset and clock control | |
| +-----------+------------+-------------------------------------+ |
| | FLASH | on-chip | flash memory | |
| +-----------+------------+-------------------------------------+ |
| | WATCHDOG | on-chip | independent watchdog | |
| +-----------+------------+-------------------------------------+ |
| |
| Other hardware features are not yet supported in this Zephyr port. |
| |
| The default configuration can be found in the defconfig file: |
| ``boards/arm/stm32f0_disco/stm32f0_disco_defconfig`` |
| |
| Connections and IOs |
| =================== |
| |
| Each of the GPIO pins can be configured by software as output (push-pull or open-drain), as |
| input (with or without pull-up or pull-down), or as peripheral alternate function. Most of the |
| GPIO pins are shared with digital or analog alternate functions. All GPIOs are high current |
| capable except for analog inputs. |
| |
| Default Zephyr Peripheral Mapping: |
| ---------------------------------- |
| |
| - UART_1_TX : PA9 |
| - UART_1_RX : PA10 |
| - UART_2_TX : PA2 |
| - UART_2_RX : PA3 |
| |
| For mode details please refer to `STM32F0DISCOVERY board User Manual`_. |
| |
| Programming and Debugging |
| ************************* |
| |
| Applications for the ``stm32f0_disco`` board configuration can be built and |
| flashed in the usual way (see :ref:`build_an_application` and |
| :ref:`application_run` for more details). |
| |
| Flashing |
| ======== |
| |
| STM32F0DISCOVERY board includes an ST-LINK/V2-1 embedded debug tool interface. |
| This interface is supported by the openocd version included in the Zephyr SDK. |
| |
| Flashing an application to Nucleo F030R8 |
| ---------------------------------------- |
| |
| Here is an example for the :zephyr:code-sample:`blinky` application. |
| |
| .. zephyr-app-commands:: |
| :zephyr-app: samples/basic/blinky |
| :board: stm32f0_disco |
| :goals: build flash |
| |
| You will see the LED blinking every second. |
| |
| Debugging |
| ========= |
| |
| You can debug an application in the usual way. Here is an example for the |
| :zephyr:code-sample:`blinky` application. |
| |
| .. zephyr-app-commands:: |
| :zephyr-app: samples/basic/blinky |
| :board: stm32f0_disco |
| :maybe-skip-config: |
| :goals: debug |
| |
| References |
| ********** |
| |
| .. target-notes:: |
| |
| .. _STM32F0DISCOVERY website: |
| http://www.st.com/en/evaluation-tools/stm32f0discovery.html |
| |
| .. _STM32F0x8 reference manual: |
| http://www.st.com/resource/en/reference_manual/dm00031936.pdf |
| |
| .. _STM32F0DISCOVERY board User Manual: |
| http://www.st.com/resource/en/user_manual/dm00050135.pdf |