ar_configure

function ar_configure()
{
    vscode=".vscode/arduino.json"
    if [[ -r $vscode  ]] then
            echo "found vscode config"
            AR_FQBN=$(jq -j '.board + ":" + .configuration' $vscode)
            AR_PORT=$(jq -j '.port' $vscode)
            AR_SERIAL=$AR_PORT
    else
            echo "using defaults"
            AR_UPLOAD=BMPMethod 
            AR_BOARD=Arduino_STM32:STM32F1:genericSTM32F103C
            AR_VARIANT=STM32F103CB
            AR_FQBN=$BOARD:device_variant=$VARIANT,upload_method=$UPLOAD,cpu_speed=speed_72mhz,opt=osstd
            AR_PORT=/dev/ttyACM0
            AR_SERIAL=/dev/ttyACM1
    fi
}