ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/scripts/sercomm-pid.py b/scripts/sercomm-pid.py
new file mode 100755
index 0000000..2c246fc
--- /dev/null
+++ b/scripts/sercomm-pid.py
@@ -0,0 +1,108 @@
+#!/usr/bin/env python3
+"""
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# sercomm-pid.py: Creates Sercomm device PID
+#
+# Copyright © 2022 Mikhail Zhilkin
+"""
+
+import argparse
+import binascii
+import struct
+
+PID_SIZE = 0x70
+PADDING = 0x30
+PADDING_TAIL = 0x0
+
+def auto_int(x):
+ return int(x, 0)
+
+def create_pid_file(args):
+ pid_file = open(args.pid_file, "wb")
+ buf = get_pid(args)
+ pid_file.write(buf)
+ pid_file.close()
+
+def get_pid(args):
+ buf = bytearray([PADDING] * PID_SIZE)
+
+ if not args.hw_id:
+ enc = args.hw_version.rjust(14, '0').encode('ascii')
+ struct.pack_into('>14s', buf, 0x0, enc)
+ else:
+ enc = args.hw_version.rjust(8, '0').encode('ascii')
+ struct.pack_into('>8s', buf, 0x0, enc)
+
+ enc = binascii.hexlify(args.hw_id.encode()).upper()
+ struct.pack_into('>6s', buf, 0x8, enc)
+
+ enc = args.sw_version.rjust(4, '0').encode('ascii')
+ struct.pack_into('>4s', buf, 0x64, enc)
+
+ if (args.extra_padd_size):
+ tail = bytearray([PADDING_TAIL] * args.extra_padd_size)
+ if (args.extra_padd_byte):
+ struct.pack_into ('<i', tail, 0x0,
+ args.extra_padd_byte)
+ elif not args.hw_id:
+ tail[0] = 0x0D
+ tail[1] = 0x0A
+ buf += tail
+
+ return buf
+
+def main():
+ global args
+
+ parser = argparse.ArgumentParser(description='This script \
+ generates firmware PID for the Sercomm-based devices')
+
+ parser.add_argument('--hw-version',
+ dest='hw_version',
+ action='store',
+ type=str,
+ help='Sercomm hardware version')
+
+ parser.add_argument('--hw-id',
+ dest='hw_id',
+ action='store',
+ type=str,
+ help='Sercomm hardware ID')
+
+ parser.add_argument('--sw-version',
+ dest='sw_version',
+ action='store',
+ type=str,
+ help='Sercomm software version')
+
+ parser.add_argument('--pid-file',
+ dest='pid_file',
+ action='store',
+ type=str,
+ help='Output PID file')
+
+ parser.add_argument('--extra-padding-size',
+ dest='extra_padd_size',
+ action='store',
+ type=auto_int,
+ help='Size of extra NULL padding at the end of the file \
+ (optional)')
+
+ parser.add_argument('--extra-padding-first-byte',
+ dest='extra_padd_byte',
+ action='store',
+ type=auto_int,
+ help='First byte of extra padding (optional)')
+
+ args = parser.parse_args()
+
+ if ((not args.hw_version) or
+ (not args.sw_version) or
+ (not args.pid_file)):
+ parser.print_help()
+ exit()
+
+ create_pid_file(args)
+
+main()