Merge pull request #34 from shing19m/master

Add option to query the chip id of the used module.

luatool/luatool.py

@@ -100,6 +100,7 @@ def openserial(args):
     parser.add_argument('-a', '--append',  action='store_true',    help='Append source file to destination file.')
     parser.add_argument('-l', '--list',    action='store_true',    help='List files on device')
     parser.add_argument('-w', '--wipe',    action='store_true',    help='Delete all lua/lc files on device.')
+    parser.add_argument('-i', '--id',    action='store_true',    help='Query the modules chip id.')
     parser.add_argument('--delete',    default=None,    help='Delete a lua/lc file from device.')
     args = parser.parse_args()
 
@@ -113,6 +114,19 @@ def openserial(args):
             sys.stdout.write(char)
         sys.exit(0)
 
+    if args.id:
+        s = openserial(args)
+        writeln("=node.chipid()\r", 0)
+        id=""
+        while True:
+            char = s.read(1)
+            if char == '' or char == chr(62):
+                break
+            if char.isdigit():
+                id += char
+        print("\n"+id)
+        sys.exit(0)
+
     if args.wipe:
         s = openserial(args)
         writeln("local l = file.list();for k,v in pairs(l) do print(k)end\r", 0)