59 lines
1.9 KiB
Bash
59 lines
1.9 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
|
||
|
|
set -e
|
||
|
|
|
||
|
|
# Simple script to upload executable via bootloader
|
||
|
|
|
||
|
|
if [ $# -ne 2 ]
|
||
|
|
then
|
||
|
|
echo "Upload image via serial port (UART) to the NEORV32 bootloader."
|
||
|
|
echo "Reset processor before starting the upload."
|
||
|
|
echo "Usage: [sudo] sh uart_upload.sh <serial port> <NEORV32 executable>"
|
||
|
|
echo "Example: sudo sh uart_upload.sh /dev/ttyS6 path/to/project/neorv32_exe.bin"
|
||
|
|
exit
|
||
|
|
fi
|
||
|
|
|
||
|
|
# configure serial port
|
||
|
|
stty -F "$1" 19200 -hup raw -echo -echoe -echok -echoctl -echoke -crtscts cs8 -cstopb noflsh clocal cread
|
||
|
|
|
||
|
|
# trigger fast upload mode and get response
|
||
|
|
exec 3<$1 # redirect serial output to fd 3
|
||
|
|
cat <&3 > uart_upload.response.dat & # redirect serial output to file
|
||
|
|
PID=$! # save pid to kill cat
|
||
|
|
printf "u" > $1 # send upload command to serial port
|
||
|
|
sleep 0.5s # wait for bootloader response
|
||
|
|
kill $PID # kill cat process
|
||
|
|
|
||
|
|
exec 3<&- # free fd 3
|
||
|
|
|
||
|
|
# check response
|
||
|
|
if ! grep -Fq "Awaiting neorv32_exe.bin" uart_upload.response.dat;
|
||
|
|
then
|
||
|
|
echo "Bootloader response error."
|
||
|
|
echo "Reset processor before starting the upload."
|
||
|
|
rm -f uart_upload.response.dat
|
||
|
|
exit
|
||
|
|
fi
|
||
|
|
|
||
|
|
# send executable and get response
|
||
|
|
echo -n "Uploading... "
|
||
|
|
exec 3<$1 # redirect serial output to fd 3
|
||
|
|
cat <&3 > uart_upload.response.dat & # redirect serial output to file
|
||
|
|
PID=$! # save pid to kill cat
|
||
|
|
cat "$2" > "$1" # send executable to serial port
|
||
|
|
sleep 3s # wait for bootloader response
|
||
|
|
kill $PID # kill cat process
|
||
|
|
|
||
|
|
exec 3<&- # free fd 3
|
||
|
|
|
||
|
|
# check response
|
||
|
|
if ! grep -Fq "OK" uart_upload.response.dat;
|
||
|
|
then
|
||
|
|
echo "Upload error."
|
||
|
|
rm -f uart_upload.response.dat
|
||
|
|
exit
|
||
|
|
fi
|
||
|
|
|
||
|
|
rm -f uart_upload.response.dat
|
||
|
|
echo "Done."
|