[MP1] Add upload tools for MP1 (#47)

 run_arduino_gen.sh and busybox-w32

run_arduino_gen.sh

@@ -0,0 +1,275 @@
+#!/bin/sh -
+
+set -e
+
+REMOTEPROC_DIR="/sys/class/remoteproc/remoteproc0"
+RPMSG_DIR="/dev/ttyRPMSG0"
+ELF_NAME="arduino.ino.elf"
+ELF_INSTALL_PATH="/lib/firmware/$ELF_NAME"
+INSTALL_PATH="/usr/local/arduino/run_arduino.sh"
+# systemd path should be same as ${systemd_unitdir}/system/ in the yocto distro
+SYSTEMD_SERVICE_PATH="/lib/systemd/system/$(basename $INSTALL_PATH .sh).service"
+# Will be defined in autodetect_board()
+BOARD=""
+
+# A pair of prenthesis+percent is used as placeholder.
+### {% BEGINNING OF BINARY PART ###
+ELF_HASH=""
+ELF_BINARY=""
+### END OF BINARY PART %} ###
+
+
+autodetect_board() {
+  if [ ! -d /proc/device-tree/ ]; then
+    echo "Proc Device tree are not available, Could not detect on which board we are" > /dev/kmsg
+    exit 1
+  fi
+
+  #search on device tree compatible entry the board type
+  if $(grep -q "stm32mp157c-ev" /proc/device-tree/compatible) ; then
+    BOARD="STM32MP157_EVAL"
+  elif $(grep -q "stm32mp157c-dk" /proc/device-tree/compatible) ; then
+    BOARD="STM32MP157_DK"
+  elif $(grep -q "stm32mp157a-dk" /proc/device-tree/compatible) ; then
+    BOARD="STM32MP157_DK"
+  elif $(grep -q "stm32mp157" /proc/device-tree/compatible) ; then
+    BOARD="STM32MP157_GENERIC"
+  else
+    echo "Board is not an STM32MP157 BOARD" > /dev/kmsg
+    exit 1
+  fi
+}
+
+
+firmware_load() {
+  if [ -z "$ELF_BINARY" ]; then
+    echo "No Arduino binary contained. Run generate command first."
+    exit 1
+  fi
+
+  if ( echo "$ELF_HASH $ELF_INSTALL_PATH" | sha256sum --status -c - 2>/dev/null ); then
+    # The same firmware already exists, skip this step
+    echo "The same firmware is already installed. Starting..."
+    return 0
+  fi
+
+  # Decode base64-encoded binary to a temp directory and check hash
+  tmp_elf_file="/tmp/$ELF_NAME"
+  if which uudecode >/dev/null 2>&1; then
+    echo -n "$ELF_BINARY" | uudecode -o /dev/stdout | gzip -d > "$tmp_elf_file"
+  else 
+    echo -n "$ELF_BINARY" | tail -n +2 | base64 -d - 2>/dev/null | gzip -d > "$tmp_elf_file"
+  fi
+  echo "$ELF_HASH $tmp_elf_file" | sha256sum --status -c -
+
+  # Copy elf into /lib/firmware
+  mv $tmp_elf_file $ELF_INSTALL_PATH
+  echo "Arduino: Executable created: $ELF_INSTALL_PATH" > /dev/kmsg
+}
+
+
+firmware_start() {
+  # Change the name of the firmware
+  echo -n arduino.ino.elf > $REMOTEPROC_DIR/firmware
+
+  # Change path to found firmware
+  #echo -n /home/root >/sys/module/firmware_class/parameters/path
+
+  # Restart firmware
+  echo "Arduino: Starting $ELF_INSTALL_PATH" > /dev/kmsg
+  echo start > $REMOTEPROC_DIR/state 2>/dev/null || true
+}
+
+
+firmware_stop() {
+  # Stop the firmware
+  echo "Arduino: Stopping $ELF_INSTALL_PATH" > /dev/kmsg
+  echo stop > $REMOTEPROC_DIR/state 2>/dev/null || true
+}
+
+
+generate_packaged_script() {
+  elf_path="$1"
+  this_script=$(readlink -f "$0")
+  output_script="$2"
+  if [ "$this_script" = "$output_script" ]; then
+    echo "The output file name must be diffent from this script file"
+    exit 1
+  fi
+
+  # Generate a copy of this script with a self-contained elf binary and its hash
+  # The elf binary is gzip'ed, making its size to 1/6, and then Base64-encoded
+  # using uuencode.
+  head -n $(grep -n "{%" "$this_script" | cut -d: -f1 | head -n 1) $this_script > $output_script 
+  echo "ELF_HASH='$(sha256sum $elf_path | cut -d' ' -f1)'" >> $output_script
+  echo -n "ELF_BINARY='" >> $output_script
+  if which uuencode >/dev/null 2>&1; then
+    gzip -c "$elf_path" | uuencode -m $ELF_NAME >> $output_script
+  else
+    echo "begin-base64 644 $ELF_NAME" >> $output_script
+    gzip -c "$elf_path" | base64 >> $output_script
+  fi
+  echo "'" >> $output_script
+  tail -n +$(grep -n "%}" "$this_script" | cut -d: -f1 | head -n 1) $this_script >> $output_script
+}
+
+
+systemd_install() {
+  mkdir -p $(dirname $INSTALL_PATH)
+  cp $0 "$INSTALL_PATH"
+  echo "File created: $INSTALL_PATH"
+  cat > "$SYSTEMD_SERVICE_PATH" << EOF
+[Unit]
+Description=Run Arduino firmware via remoteproc
+After=systemd-modules-load.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=sh $INSTALL_PATH start
+ExecStop=sh $INSTALL_PATH stop
+
+[Install]
+WantedBy=sysinit.target
+EOF
+  echo "File created: $SYSTEMD_SERVICE_PATH"
+  echo "Please wait until systemd services are reloaded..."
+  systemctl daemon-reload
+  systemctl enable $(basename $SYSTEMD_SERVICE_PATH)
+}
+
+
+systemd_uninstall() {
+  systemctl stop $(basename $SYSTEMD_SERVICE_PATH)
+  systemctl disable $(basename $SYSTEMD_SERVICE_PATH)
+  rm "$SYSTEMD_SERVICE_PATH"
+  echo "File deleted: $SYSTEMD_SERVICE_PATH"
+  rm -r $(dirname $INSTALL_PATH)
+  echo "File deleted: $INSTALL_PATH"
+}
+
+try_send() {
+  # Wait for /dev/ttyRPMSGx for 5 seconds, because the virtual device can be
+  # created later depending on where Serial.begin() is located in the Arduino code.
+  count=0
+  while [ ! -c $RPMSG_DIR ]; do
+    if [ $count -eq 2 ]; then
+      echo "Waiting for virtual serial $RPMSG_DIR is created..."
+    elif [ $count -ge 5 ]; then
+      echo "No virtual serial $RPMSG_DIR is created."
+      echo "If you didn't enable the virtual serial, ignore this message."
+      return 0
+    fi
+    sleep 1;
+    count=$(expr $count + 1)
+  done
+  # Linux host must send any dummy data first to finish initialization of rpmsg
+  # on the coprocessor side. This message should be discarded.
+  # See: https://github.com/OpenAMP/open-amp/issues/182
+  echo "DUMMY" >$RPMSG_DIR
+  echo "Virtual serial $RPMSG_DIR connection established."
+}
+
+case "$1" in
+  start)
+    autodetect_board
+    firmware_load
+    firmware_stop
+    firmware_start
+    try_send
+    echo "Arduino firmware started."
+    ;;
+  stop)
+    autodetect_board
+    firmware_stop
+    echo "Arduino firmware stopped."
+    ;;
+  restart)
+    autodetect_board
+    firmware_stop
+    firmware_start
+    try_send
+    echo "Arduino firmware restarted."
+    ;;
+  install)
+    autodetect_board
+    systemd_install
+    echo "Auto-start service $(basename $SYSTEMD_SERVICE_PATH) installed."
+    ;;
+  uninstall)
+    autodetect_board
+    systemd_uninstall
+    echo "Auto-start service $(basename $SYSTEMD_SERVICE_PATH) uninstalled."
+    ;;
+  monitor)
+    autodetect_board
+    stty igncr onlcr -echo -F $RPMSG_DIR
+    cat $RPMSG_DIR
+    ;;
+  send-msg)
+    autodetect_board
+    echo "${@:2}" >$RPMSG_DIR
+    ;;
+  send-file)
+    autodetect_board
+    dd if="$2" of=$RPMSG_DIR
+    ;;
+  minicom)
+    autodetect_board
+    TERM=xterm minicom -D $RPMSG_DIR
+    ;;
+  generate)
+    generate_packaged_script $2 $3
+    echo "$(readlink -f "$3") generated successfully."
+    echo "This file should be uploaded manually by SCP, SFTP, Kermit, or etc."
+    echo "Then run \"sh ./$(basename $3) start\" command in the board's console."
+    echo "For detailed instructions, please visit:"
+    echo "  https://github.com/stm32duino/Arduino_Core_STM32/tree/master/variants/STM32MP157_DK/README.md"
+    ;;
+  *)
+    echo "Usage: $0 [start|stop|restart]"
+    echo "       $0 [install|uninstall]"
+    echo "       $0 [monitor|send-msg|send-file|minicom]"
+    echo "       $0 [generate]"
+    echo ""
+    echo "$0 is a helper script that helps managing an Arduino binary"
+    echo "file for the coprocessor using remoteproc framework."
+    echo ""
+    echo "$0 generate <input ELF file> <output script file>"
+    echo "    For Arduino IDE internal use only."
+    echo "    Generate a new shell script file that contains the input ELF binary."
+    echo "    The contained ELF binary is gzip'ed and Base64-encoded by uuencode."
+    echo ""
+    echo "$0 start"
+    echo "    Upload the binary to the coprocessor then start it."
+    echo "    This command must be executed while the script contains the binary"
+    echo "    after generate command is run."
+    echo ""
+    echo "$0 install"
+    echo "    Run the binary on boot automatically by installing a systemd service."
+    echo ""
+    echo "$0 uninstall"
+    echo "    Uninstall the autostart service."
+    echo ""
+    echo "$0 monitor"
+    echo "    Monitor data received from the coprocessor via RPMsg serial (VirtIOSerial)."
+    echo "    This command cannot send any data to the coprocessor."
+    echo ""
+    echo "$0 send-msg <message...>"
+    echo "    Send a message to the coprocessor via RPMsg serial (VirtIOSerial)."
+    echo ""
+    echo "$0 send-file <filename>"
+    echo "    Send a file content to the coprocessor via RPMsg serial (VirtIOSerial)."
+    echo ""
+    echo "$0 minicom"
+    echo "    Launch minicom interactive serial communication program."
+    echo ""
+    echo "$0 stop"
+    echo "    Stop the coprocessor."
+    echo ""
+    echo "$0 restart"
+    echo "    Restart the coprocessor."
+    ;;
+esac
+
+exit 0

win/README.md

@@ -0,0 +1,6 @@
+## Binaries for Windows tools
+
+* busybox.exe : Tool for running `run_arduino_gen.sh`.
+Currently FRP-3244-g48128b9aa release, downloaded from [busybox-w32].
+
+[busybox-w32]: https://frippery.org/busybox/