#!/bin/bash
device=ch341a #arduino or raspberry
port=ttyACM0
baud=115200
rpi_speed=20000 # between 512 to 30000, 20000 seems to be the best

if [ $device = "arduino" ]
then
flashrom -p serprog:dev=/dev/$port:$baud -r backup.hex
fi
if [ $device = "raspberry" ]
then
modprobe spi_bcm2835
modprobe spidev
flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=$rpi_speed -r backup.hex
fi
if [ $device = "ch341a" ]
then
flashrom -p ch341a_spi -r backup.hex
fi

echo "n'oubliez pas de renomer le fichier !!!!"
echo "d'ont forget to rename your file !!!!"