# F.O.R.G.E. (Invar)

> This repo is a work in progress

## `/boot/firmware/config.txt`

```ini
# --- overclocking ---
# ARM core frequency in MHz
arm_freq=3000
# VideoCore VII frequency in MHz
gpu_freq=1000
# Voltage offset in microvolts
over_voltage_delta=50000

# --- opengl ---
# Enable DRM VC4 V3D driver
dtoverlay=vc4-kms-v3d
# Increase the memory reserved for the GPU
gpu_mem=64

# --- tv out ---
# enable composite TV out
enable_tvout=1
# NTSC, commonly 480i at approximately 60 Hz
sdtv_mode=0
# 4:3 aspect ratio
sdtv_aspect=1
```

## Installs

```bash
sudo apt update
sudo apt upgrade
sudo apt install mesa-utils libglfw3-dev libgl-dev libasound2-dev libv4l-dev
```

## Links

* https://freedom251.com/raspberry-pi-5-how-to-make-composite-video-output/
* https://raspberry.tips/en/raspberrypi-tutorials/overclock-raspberry-pi-5
* https://www.baeldung.com/linux/opengl-check-working
* https://ttt.io/glsl-raspberry-pi
* https://www.raspberrypi.com/documentation/computers/config_txt.html