1 files changed, 49 insertions, 0 deletions
diff --git a/testing/DMBootloader/create_dmbootloader_cmd.sh b/testing/DMBootloader/create_dmbootloader_cmd.sh
new file mode 100644
index 0000000..4bb17b6
--- /dev/null
+++ b/testing/DMBootloader/create_dmbootloader_cmd.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+# Generates the Erase, Read, and Write YUP commands for DMBootloader.
+# Write command is generated with random data of the page.
+
+cmd_write_header()
+{
+    little_endian=$(printf "%04X\n" $2 | sed 's,^\(..\)\(..\)$,\2\1,')
+    
+    printf '\x'$1 >"$file"
+    printf '\x'$(echo $little_endian | cut -c1-2) >>"$3"
+    printf '\x'$(echo $little_endian | cut -c3-4) >>"$3"
+}
+
+usage()
+{
+    {
+	echo "Usage: $0  CMD  PAGE_NUMBER  OUT_FILE"
+	echo "  CMD          write, read, or erase"
+	echo "  PAGE_NUMBER  16-bit page number"
+	echo "  OUT_FILE     file to which the command's binary data will be written"
+    } >&2
+    exit 1
+}
+
+[ $# -ne 3 ] && usage
+
+cmd=$1
+page_num=$2
+file="${3}"
+
+case "$cmd" in
+    write)
+	cmd_write_header 00 $page_num "$file"
+        ;;
+    read)
+	cmd_write_header 02 $page_num "$file"
+        ;;
+    erase)
+	cmd_write_header 01 $page_num "$file"
+        ;;
+    *)
+        echo "Unknown command requested" >&2
+	usage
+esac
+
+[ "$1" = "write" ] && dd if=/dev/urandom of="$file" bs=1 count=512 seek=3 2>/dev/null
+
+exit 0