#!/bin/bash

# Conditions:
# Firmware file: does not exist, exists and is same, exists and is different
# STM_VERSION: does not exist, exists

# start out with nothing in /firmware,
# and two versions in /firmware/loaded
version_1="0.6.14"
version_2="0.7.3"

find /firmware -name \*.bin

init 2
sleep 5

# start with version_1 running
date +%H:%M:%S
stm32loader.py -wvq -s 127 -b 115200 -p /dev/ttymxc1 /firmware/loaded/artoo_${version_1}.bin
date +%H:%M:%S

# test: (firmware file, STM_VERSION)

# ***** should not happen
echo
echo "TEST: no update, /STM_VERSION does not exist"
rm /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_1}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin

# test: (does not exist, exists)
# ***** common boot case
echo
echo "TEST: no update, /STM_VERSION exists"
echo "nothing in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_1}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin

# ***** possible first-boot case
echo
echo "TEST: update exists but is same, /STM_VERSION does not exist"
mv /firmware/loaded/artoo_${version_1}.bin /firmware
rm /STM_VERSION
echo "${version_1} in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_1}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin

# ***** uncommon update case
echo
echo "TEST: update exists but is same, /STM_VERSION exists"
mv /firmware/loaded/artoo_${version_1}.bin /firmware
echo "${version_1} in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_1}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin

# ***** possible first-boot case
echo
echo "TEST: update exists and is different, /STM_VERSION does not exist"
mv /firmware/loaded/artoo_${version_2}.bin /firmware
rm /STM_VERSION
echo "${version_2} in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_2}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin

# ***** common update case
echo
echo "TEST: update exists and is different, /STM_VERSION exists"
mv /firmware/loaded/artoo_${version_1}.bin /firmware
echo "${version_1} in /firmware:"
find /firmware -name \*.bin
checkArtooAndUpdate.py
echo "/STM_VERSION should be ${version_1}:"
cat /STM_VERSION
echo "nothing in /firmware:"
find /firmware -name \*.bin