tools: wasptool: Add support for --reset

tools/wasptool

@@ -104,6 +104,14 @@ def handle_exec(c, fname):
         if not verbose:
             c.logfile = None
 
+def handle_reset(c):
+    c.send('\x05')
+    c.expect('=== ')
+    c.sendline('import machine')
+    c.sendline('machine.reset()')
+    c.expect('=== ')
+    c.send('\x04')
+
 def handle_rtc(c):
     # Wait for the clock to tick over to the next second
     now = then = time.localtime()
@@ -142,6 +150,8 @@ if __name__ == '__main__':
             help='Execute the contents of a file')
     parser.add_argument('--eval',
             help='Execute the provided python string')
+    parser.add_argument('--reset', action='store_true',
+            help="Reboot the device (and don't stay in bootloader mode)")
     parser.add_argument('--rtc', action='store_true',
             help='Set the time on the WASP device')
     parser.add_argument('--upload',
@@ -178,4 +188,8 @@ if __name__ == '__main__':
         console.close()
         os.execl(pynus, pynus)
 
+    if args.reset:
+        handle_reset(console)
+        sys.exit(0)
+
     unsync(console)