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# ledcontrol
A firmware project for the STM32F103C8T6 to control LED strips.
## Usage
Install the necessary software. For Arch Linux this works like this:
```
sudo pacman -S \
base-devel \
arm-none-eabi-binutils \
arm-none-eabi-gcc \
arm-none-eabi-gdb \
arm-none-eabi-newlib
```
Clone this repository with all Git submodules:
```
git clone --recurse-submodules https://gitea.xengineering.eu/xengineering/ledcontrol.git
```
Enter the repository and build the software
```
cd ledcontrol
make
```
Connect your STM32F103C8T6 with an STLINK V2 debugger and flash the firmware:
```
bash ocd.sh
# switch to a second terminal in the same folder
bash gdb.sh build/ledcontrol.elf
load
run
# CTRL + C will stop the execution
# leave GDB with CTRL + D
```
## External References
- Nice [Tutorial](https://jacobmossberg.se/posts/2018/08/11/run-c-program-bare-metal-on-arm-cortex-m3.html) about C programs on bare-metal ARM chips
- Another useful [Tutorial](https://www.rhye.org/post/stm32-with-opencm3-0-compiling-and-uploading/) about STM32 programming with libopencm3
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