rel_1.6.0 init

tools/scripts/ota_gen_md5_bin.py

@@ -0,0 +1,84 @@
+#! /usr/bin/env python
+
+import os, sys, re, struct, platform, getopt, subprocess
+from sys import platform as _platform
+import array,hashlib,struct
+
+
+def crc16A(dat):
+    crc=0xFFFF #65535
+    index=0
+    for j in dat:
+        crc=crc^j
+        print("crc=%x"%crc)
+        for i in range(8):
+            if (crc & 1)==1:
+                crc =crc >> 1
+                crc =crc ^ 0xA001 #40961
+            else:
+                crc=crc>>1
+    return crc
+
+def print_usage():
+    print ""
+    print "Usage: Merge a bin file into an exist bin file, create one if target is not exist"
+    print sys.argv[0]
+    print "Optional Usage:"
+    print " [-o] <target binary file>"
+    print " [-h | --help] Display usage"
+    print " [<input binary file>]"
+    sys.stdout.flush()
+
+def main():
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'o:h')
+    except getopt.GetoptError as err:
+        print str(err)
+        print_usage()
+        sys.exit(2)
+
+    OUTPUT_FILE = 0
+    if not len(args) == 1:
+        print_usage()
+        sys.exit(2)
+    else:
+        INPUT_FILE = args[0]
+
+    if not os.path.exists(INPUT_FILE):
+        print "Please input a binary file"
+        sys.exit(2)
+
+    for opt, arg in opts:
+        if opt == "-o":
+            OUTPUT_FILE = arg
+        elif opt == "-h":
+            print_usage()
+            sys.exit()
+
+    if OUTPUT_FILE == 0:
+        OUTPUT_FILE = re.sub(r'.bin$', '.md5.bin', INPUT_FILE)
+
+    fin = open(INPUT_FILE, 'rb')
+    fout = open(OUTPUT_FILE, 'wb')
+    data = fin.read()
+    fout.write(data)
+    magic = bytearray([0xef,0xef,0xef,0xef])
+    size = os.path.getsize(INPUT_FILE)
+    print size
+    fout.write(magic)
+    fout.write(struct.pack('<I', size))
+    fout.write(hashlib.md5(data).digest())
+    print(hashlib.md5(data).hexdigest())
+    reserve = bytearray([0xFF,0xFF])
+    fout.write(reserve)
+    fout.write(reserve)
+    fin.close()
+    fout.close()
+    os.remove(INPUT_FILE)
+    os.rename(OUTPUT_FILE,INPUT_FILE)
+
+if __name__ == "__main__":
+    try:
+        main()
+    except KeyboardInterrupt:
+        pass