From d79e7ab31b8ddb5790d5382d046098e716e32a0b Mon Sep 17 00:00:00 2001
From: Arksine <arksine.code@gmail.com>
Date: Thu, 21 Jan 2021 15:48:59 -0500
Subject: [PATCH] scripts:  add flash-sdcard.sh helper script

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
---
 scripts/flash-sdcard.sh | 69 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100755 scripts/flash-sdcard.sh

diff --git a/scripts/flash-sdcard.sh b/scripts/flash-sdcard.sh
new file mode 100755
index 00000000..b6f06ed8
--- /dev/null
+++ b/scripts/flash-sdcard.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+#  This script launches flash_sdcard.py, a utitlity that enables
+#  unattended firmware updates on boards with "SD Card" bootloaders
+
+# Non-standard installations may need to change this location
+KLIPPY_ENV="${HOME}/klippy-env/bin/python"
+SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
+KLIPPER_BIN="${SRCDIR}/out/klipper.bin"
+SPI_FLASH="${SRCDIR}/scripts/spi_flash/spi_flash.py"
+BAUD_ARG=""
+# Force script to exit if an error occurs
+set -e
+
+print_help_message()
+{
+    echo "SD Card upload utility for Klipper"
+    echo
+    echo "usage: flash_sdcard.sh [-h] [-l] [-b <baud>] [-f <firmware>]"
+    echo "                       <device> <board>"
+    echo
+    echo "positional arguments:"
+    echo "  <device>        device serial port"
+    echo "  <board>         board type"
+    echo
+    echo "optional arguments:"
+    echo "  -h              show this message"
+    echo "  -l              list available boards"
+    echo "  -b <baud>       serial baud rate (default is 250000)"
+    echo "  -f <firmware>   path to klipper.bin"
+}
+
+# Parse command line "optional args"
+while getopts "hlb:f:" arg; do
+    case $arg in
+        h)
+            print_help_message
+            exit 0
+            ;;
+        l)
+            ${KLIPPY_ENV} ${SPI_FLASH} -l
+            exit 0
+            ;;
+        b) BAUD_ARG="-b ${OPTARG}";;
+        f) KLIPPER_BIN=$OPTARG;;
+    esac
+done
+
+# Make sure that we have the correct number of positional args
+if [ $(($# - $OPTIND + 1)) -ne 2 ]; then
+    echo "Invalid number of args: $(($# - $OPTIND + 1))"
+    exit -1
+fi
+
+DEVICE=${@:$OPTIND:1}
+BOARD=${@:$OPTIND+1:1}
+
+if [ ! -f $KLIPPER_BIN ]; then
+    echo "No file found at '${KLIPPER_BIN}'"
+    exit -1
+fi
+
+if [ ! -e $DEVICE ]; then
+    echo "No device found at '${DEVICE}'"
+    exit -1
+fi
+
+# Run Script
+echo "Flashing ${KLIPPER_BIN} to ${DEVICE}"
+${KLIPPY_ENV} ${SPI_FLASH} ${BAUD_ARG} ${DEVICE} ${BOARD} ${KLIPPER_BIN}