balloon mission computer 4.01

this is a rewrite of my raspberry pi high altitude balloon software. while previous version was a mix of c and bash scripts, this time it's written in python (as much as possible) so better data flow is possible

new features include

2020:

ported to python3
raspberry pi zero hardware
rewrote aprs modem in rust for speed

2019:

SSDV over APRS
better monitoring and build in tests
web based remote control for ground operation

installation prerequisits on raspberry pi

sudo apt install git -y
sudo apt install python3-pip python3-setuptools -y
sudo apt install python3-rpi.gpio python3-smbus wiringpi -y
sudo apt install python3-picamera python-opencv python3-pil fswebcam -y
sudo apt-get install libatlas-base-dev

sudo pip3 install numpy==1.21.6
pip3 install pyserial
pip3 install flask flask-cors flask-socketio flask-restful

installing adafruit bmp085 support

git clone https://github.com/adafruit/Adafruit_Python_BMP.git
cd Adafruit_Python_BMP/
sudo python3 setup.py install

slowing down i2c baudrate

sudo nano /boot/config.txt

find line

dtparam=i2c_arm=on

and change to

dtparam=i2c_arm=on,i2c_arm_baudrate=32000

##to auto start as system deamon:

sudo cp bmc.service /etc/systemd/system
sudo systemctl enable bmc.service

building other needed software

mkdir utils
cd utils

SSDV *

git clone https://github.com/fsphil/ssdv cd ssdv make
PiSSTV *

git clone https://github.com/AgriVision/pisstv cd pisstv sudo apt-get install libgd-dev sudo apt-get install libmagic-dev gcc -lm -lgd -lmagic -o pisstv pisstv.c
aprs-tools

mkdir aprs-tool cd aprs-tool wget https://github.com/idoroseman/aprs-tool/releases/download/0.1/aprs-encode chmod +x aprs-encode

both wifi client and access point

https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/183-raspberry-pi-automatic-hotspot-and-static-hotspot-installer

SSID RPiHotspot 
password 1234567890
ssh pi@192.168.50.5
http://192.168.50.5/