stm32f1/README.md

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this firmware template is designed for development boards based around [STM32 F1 series micro-controller](http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1031).
project
=======
summary
-------
*describe project purpose*
technology
----------
*described electronic details*
board
=====
The current implementation uses a [core board](https://wiki.cuvoodoo.info/doku.php?id=stm32f1xx#core_board).
The underlying template also supports following board:
- [Maple Mini](http://leaflabs.com/docs/hardware/maple-mini.html), based on a STM32F103CBT6
- [System Board](https://wiki.cuvoodoo.info/doku.php?id=stm32f1xx#system_board), based on a STM32F103C8T6
- [blue pill](ihttps://wiki.cuvoodoo.info/doku.php?id=stm32f1xx#blue_pill), based on a STM32F103C8T6
- [core board](https://wiki.cuvoodoo.info/doku.php?id=stm32f1xx#core_board), based on a STM32F103C8T6
**Which board is used is defined in the Makefile**.
This is required:
- for the linker script to know the memory layout (flash and RAM)
- map the user LED and button provided on the board
connections
===========
Connect the peripherals the following way (STM32F10X signal; STM32F10X pin; peripheral pin; peripheral signal; comment):
- *list board to preipheral pin connections*
All pins are configured using `define`s in the corresponding source code.
code
====
dependencies
------------
The source code uses the [libopencm3](http://libopencm3.org/) library.
The projects is already a git submodules.
To initialize and it you just need to run once: `git submodule init` and `git submodule update`.
firmware
--------
To compile the firmware run `make`.
documentation
-------------
To generate doxygen documentation run `make doc`.
flash
-----
The firmware will be flashed using SWD (Serial Wire Debug).
For that you need an SWD adapter.
The `Makefile` uses a Black Magic Probe (per default), or a ST-Link V2 along OpenOCD software.
To flash using SWD run `make flash`.
debug
-----
SWD also allows to debug the code running on the micro-controller using GDB.
To start the debugging session run `make debug`.
USB
---
The firmware offers serial communication over USART1 and USB (using the CDC ACM device class).
You can also reset the board by setting the serial width to 5 bits over USB.
To reset the board run `make reset`.
This only works if the USB CDC ACM is running correctly and the micro-controller isn't stuck.