|
| 1 | +#!/bin/sh - |
| 2 | + |
| 3 | +set -e |
| 4 | + |
| 5 | +REMOTEPROC_DIR="/sys/class/remoteproc/remoteproc0" |
| 6 | +ELF_NAME="arduino.ino.elf" |
| 7 | +ELF_INSTALL_PATH="/lib/firmware/$ELF_NAME" |
| 8 | +INSTALL_PATH="/usr/local/arduino/run_arduino.sh" |
| 9 | +# systemd path should be same as ${systemd_unitdir}/system/ in the yoctdo distro |
| 10 | +SYSTEMD_SERVICE_PATH="/lib/systemd/system/$(basename$INSTALL_PATH .sh).service" |
| 11 | +# Will be defined in autodetect_board() |
| 12 | +BOARD="" |
| 13 | + |
| 14 | +# A pair of prenthesis+percent is used as placeholder. |
| 15 | +### {% BEGINNING OF BINARY PART ### |
| 16 | +ELF_HASH="" |
| 17 | +ELF_BINARY="" |
| 18 | +### END OF BINARY PART %} ### |
| 19 | + |
| 20 | + |
| 21 | +autodetect_board() { |
| 22 | +if [!-d /proc/device-tree/ ];then |
| 23 | +echo"Proc Device tree are not available, Could not detect on which board we are"> /dev/kmsg |
| 24 | +exit 1 |
| 25 | +fi |
| 26 | + |
| 27 | +#search on device tree compatible entry the board type |
| 28 | +if$(grep -q"stm32mp157c-ev" /proc/device-tree/compatible);then |
| 29 | + BOARD="STM32MP15_M4_EVAL" |
| 30 | +elif$(grep -q"stm32mp157c-dk" /proc/device-tree/compatible);then |
| 31 | + BOARD="STM32MP15_M4_DISCO" |
| 32 | +else |
| 33 | +echo"Board is not an EVAL or a DISCO BOARD"> /dev/kmsg |
| 34 | +exit 1 |
| 35 | +fi |
| 36 | +} |
| 37 | + |
| 38 | + |
| 39 | +firmware_load() { |
| 40 | +if [-z"$ELF_BINARY" ];then |
| 41 | +echo"No Arduino binary contained. Run generate command first." |
| 42 | +exit 1 |
| 43 | +fi |
| 44 | + |
| 45 | +if (echo"$ELF_HASH$ELF_INSTALL_PATH"| sha256sum --status -c -2>/dev/null );then |
| 46 | +# The same firmware already exists, skip this step |
| 47 | +echo"The same firmware is already installed. Starting..." |
| 48 | +return 0 |
| 49 | +fi |
| 50 | + |
| 51 | +# Decode base64-encoded binary to a temp directory and check hash |
| 52 | + tmp_elf_file="/tmp/$ELF_NAME" |
| 53 | +if which uudecode>/dev/null2>&1;then |
| 54 | +echo -n"$ELF_BINARY"| uudecode -o /dev/stdout| gzip -d>"$tmp_elf_file" |
| 55 | +else |
| 56 | +echo -n"$ELF_BINARY"| tail -n +2| base64 -d -2>/dev/null| gzip -d>"$tmp_elf_file" |
| 57 | +fi |
| 58 | +echo"$ELF_HASH$tmp_elf_file"| sha256sum --status -c - |
| 59 | + |
| 60 | +# Copy elf into /lib/firmware |
| 61 | + mv$tmp_elf_file$ELF_INSTALL_PATH |
| 62 | +echo"Arduino: Executable created:$ELF_INSTALL_PATH"> /dev/kmsg |
| 63 | +} |
| 64 | + |
| 65 | + |
| 66 | +firmware_start() { |
| 67 | +# Change the name of the firmware |
| 68 | +echo -n arduino.ino.elf>$REMOTEPROC_DIR/firmware |
| 69 | + |
| 70 | +# Change path to found firmware |
| 71 | +#echo -n /home/root >/sys/module/firmware_class/parameters/path |
| 72 | + |
| 73 | +# Restart firmware |
| 74 | +echo"Arduino: Starting$ELF_INSTALL_PATH"> /dev/kmsg |
| 75 | +echo start>$REMOTEPROC_DIR/state2>/dev/null||true |
| 76 | +} |
| 77 | + |
| 78 | + |
| 79 | +firmware_stop() { |
| 80 | +# Stop the firmware |
| 81 | +echo"Arduino: Stopping$ELF_INSTALL_PATH"> /dev/kmsg |
| 82 | +echo stop>$REMOTEPROC_DIR/state2>/dev/null||true |
| 83 | +} |
| 84 | + |
| 85 | + |
| 86 | +generate_packaged_script() { |
| 87 | + elf_path="$1" |
| 88 | + this_script=$(readlink -f"$0") |
| 89 | + output_script="$2" |
| 90 | +if ["$this_script"="$output_script" ];then |
| 91 | +echo"The output file name must be diffent from this script file" |
| 92 | +exit 1 |
| 93 | +fi |
| 94 | + |
| 95 | +# Generate a copy of this script with a self-contained elf binary and its hash |
| 96 | +# The elf binary is gzip'ed, making its size to 1/6, and then Base64-encoded |
| 97 | +# using uuencode. |
| 98 | + head -n$(grep -n"{%""$this_script"| cut -d: -f1| head -n 1)$this_script>$output_script |
| 99 | +echo"ELF_HASH='$(sha256sum$elf_path| cut -d'' -f1)'">>$output_script |
| 100 | +echo -n"ELF_BINARY='">>$output_script |
| 101 | +if which uuencode>/dev/null2>&1;then |
| 102 | + gzip -c"$elf_path"| uuencode -m$ELF_NAME>>$output_script |
| 103 | +else |
| 104 | +echo"begin-base64 644$ELF_NAME">>$output_script |
| 105 | + gzip -c"$elf_path"| base64>>$output_script |
| 106 | +fi |
| 107 | +echo"'">>$output_script |
| 108 | + tail -n +$(grep -n"%}""$this_script"| cut -d: -f1| head -n 1)$this_script>>$output_script |
| 109 | +} |
| 110 | + |
| 111 | + |
| 112 | +systemd_install() { |
| 113 | + mkdir -p$(dirname$INSTALL_PATH) |
| 114 | + cp$0"$INSTALL_PATH" |
| 115 | +echo"File created:$INSTALL_PATH" |
| 116 | + cat>"$SYSTEMD_SERVICE_PATH"<<EOF |
| 117 | +[Unit] |
| 118 | +Description=Run Arduino firmware via remoteproc |
| 119 | +After=systemd-modules-load.service |
| 120 | +
|
| 121 | +[Service] |
| 122 | +Type=oneshot |
| 123 | +RemainAfterExit=yes |
| 124 | +ExecStart=sh$INSTALL_PATH start |
| 125 | +ExecStop=sh$INSTALL_PATH stop |
| 126 | +
|
| 127 | +[Install] |
| 128 | +WantedBy=sysinit.target |
| 129 | +EOF |
| 130 | +echo"File created:$SYSTEMD_SERVICE_PATH" |
| 131 | +echo"Please wait until systemd services are reloaded..." |
| 132 | + systemctl daemon-reload |
| 133 | + systemctlenable$(basename$SYSTEMD_SERVICE_PATH) |
| 134 | +} |
| 135 | + |
| 136 | + |
| 137 | +systemd_uninstall() { |
| 138 | + systemctl stop$(basename$SYSTEMD_SERVICE_PATH) |
| 139 | + systemctl disable$(basename$SYSTEMD_SERVICE_PATH) |
| 140 | + rm"$SYSTEMD_SERVICE_PATH" |
| 141 | +echo"File deleted:$SYSTEMD_SERVICE_PATH" |
| 142 | + rm -r$(dirname$INSTALL_PATH) |
| 143 | +echo"File deleted:$INSTALL_PATH" |
| 144 | +} |
| 145 | + |
| 146 | + |
| 147 | +case"$1"in |
| 148 | + start) |
| 149 | + autodetect_board |
| 150 | + firmware_load |
| 151 | + firmware_stop |
| 152 | + firmware_start |
| 153 | + ;; |
| 154 | + stop) |
| 155 | + autodetect_board |
| 156 | + firmware_stop |
| 157 | + ;; |
| 158 | + restart) |
| 159 | + autodetect_board |
| 160 | + firmware_stop |
| 161 | + firmware_start |
| 162 | + ;; |
| 163 | + install) |
| 164 | + autodetect_board |
| 165 | + systemd_install |
| 166 | +echo"Auto-start service$(basename$SYSTEMD_SERVICE_PATH) installed." |
| 167 | + ;; |
| 168 | + uninstall) |
| 169 | + autodetect_board |
| 170 | + systemd_uninstall |
| 171 | +echo"Auto-start service$(basename$SYSTEMD_SERVICE_PATH) uninstalled." |
| 172 | + ;; |
| 173 | + generate) |
| 174 | + generate_packaged_script$2$3 |
| 175 | +echo"$(readlink -f"$3") generated successfully." |
| 176 | +echo"This file should be uploaded manually by SCP, SFTP, Kermit, or etc." |
| 177 | +echo"Then run\"sh ./$(basename$3) start\" command in the board's console." |
| 178 | +echo"For detailed instructions, please visit:" |
| 179 | +echo" https://github.com/stm32duino/Arduino_Core_STM32/tree/master/variants/STM32MP157_DK/README.md" |
| 180 | + ;; |
| 181 | +*) |
| 182 | +echo"Usage:$0 [start|stop|restart|generate|install|uninstall]" |
| 183 | +echo"" |
| 184 | +echo"run_arduino.sh is a helper script that helps managing an Arduino binary" |
| 185 | +echo"file for the coprocessor using remoteproc framework." |
| 186 | +echo"" |
| 187 | +echo"$0 generate <input ELF file> <output script file>" |
| 188 | +echo" Generate a new shell script file that contains the input ELF binary." |
| 189 | +echo" The contained ELF binary is gzip'ed and Base64-encoded by uuencode." |
| 190 | +echo"" |
| 191 | +echo"$0 start" |
| 192 | +echo" Upload the binary to the coprocessor then start it." |
| 193 | +echo" This command must be executed while the script contains the binary" |
| 194 | +echo" after generate command is run." |
| 195 | +echo"" |
| 196 | +echo"$0 install" |
| 197 | +echo" Run the binary on boot automatically by installing a systemd service." |
| 198 | +echo"" |
| 199 | +echo"$0 uninstall" |
| 200 | +echo" Uninstall the autostart service." |
| 201 | +echo"" |
| 202 | +echo"$0 stop" |
| 203 | +echo" Stop the coprocessor." |
| 204 | +echo"" |
| 205 | +echo"$0 restart" |
| 206 | +echo" Restart the coprocessor." |
| 207 | + ;; |
| 208 | +esac |
| 209 | + |
| 210 | +exit 0 |