From 266db810bffe4002bce9e2a1f485c27006c093b5 Mon Sep 17 00:00:00 2001
From: Aleksander Morgado <aleksander@aleksander.es>
Date: Sat, 24 Feb 2018 16:01:20 +0100
Subject: ratp: new reset command

E.g.:
    $ ./bbremote -v --port /dev/ttyUSB2 reset

Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 scripts/remote/controller.py |  9 ++++++---
 scripts/remote/main.py       | 13 +++++++++++++
 scripts/remote/messages.py   | 16 ++++++++++++++++
 3 files changed, 35 insertions(+), 3 deletions(-)

(limited to 'scripts')

diff --git a/scripts/remote/controller.py b/scripts/remote/controller.py
index eaab9f8f6b..2ed834613e 100644
--- a/scripts/remote/controller.py
+++ b/scripts/remote/controller.py
@@ -46,9 +46,6 @@ def unpack(data):
     elif p_type == BBType.fs_return:
         logging.debug("received: fs_return")
         return BBPacketFSReturn(raw=data)
-    elif p_type == BBType.md:
-        logging.debug("received: md")
-        return BBPacketMd(raw=data)
     elif p_type == BBType.md_return:
         logging.debug("received: md_return")
         return BBPacketMdReturn(raw=data)
@@ -58,6 +55,9 @@ def unpack(data):
     elif p_type == BBType.mw_return:
         logging.debug("received: mw_return")
         return BBPacketMwReturn(raw=data)
+    elif p_type == BBType.reset:
+        logging.debug("received: reset")
+        return BBPacketReset(raw=data)
     else:
         logging.debug("received: UNKNOWN")
         return BBPacket(raw=data)
@@ -136,6 +136,9 @@ class Controller(Thread):
         logging.info("Mw return: %r", r)
         return (r.exit_code,r.written)
 
+    def reset(self, force):
+        self._send(BBPacketReset(force=force))
+
     def close(self):
         self.conn.close()
 
diff --git a/scripts/remote/main.py b/scripts/remote/main.py
index 29f601e9f8..38d280bfee 100644
--- a/scripts/remote/main.py
+++ b/scripts/remote/main.py
@@ -98,6 +98,13 @@ def handle_mw(args):
     return res
 
 
+def handle_reset(args):
+    ctrl = get_controller(args)
+    ctrl.reset(args.force)
+    ctrl.close()
+    return 0
+
+
 def handle_listen(args):
     port = serial.serial_for_url(args.port, args.baudrate)
     conn = SerialRatpConnection(port)
@@ -181,6 +188,12 @@ parser_mw.add_argument('address', type=auto_int, help="address")
 parser_mw.add_argument('data', help="data")
 parser_mw.set_defaults(func=handle_mw)
 
+parser_reset = subparsers.add_parser('reset', help="run reset command")
+parser_reset_force = parser_reset.add_mutually_exclusive_group(required=False)
+parser_reset_force.add_argument('--force', dest='force', action='store_true')
+parser_reset_force.add_argument('--no-force', dest='force', action='store_false')
+parser_reset.set_defaults(func=handle_reset,force=False)
+
 parser_listen = subparsers.add_parser('listen', help="listen for an incoming connection")
 parser_listen.set_defaults(func=handle_listen)
 
diff --git a/scripts/remote/messages.py b/scripts/remote/messages.py
index 4f4d8e97f8..729f2e6177 100644
--- a/scripts/remote/messages.py
+++ b/scripts/remote/messages.py
@@ -21,6 +21,7 @@ class BBType(object):
     md_return = 11
     mw = 12
     mw_return = 13
+    reset = 14
 
 
 class BBPacket(object):
@@ -241,3 +242,18 @@ class BBPacketMwReturn(BBPacket):
     def _pack_payload(self):
         # header size is always 4 bytes (HH) and we have 8 bytes of fixed data (HLH), so buffer offset is 14
         return struct.pack("!HLH", 12, self.exit_code, self.written)
+
+
+class BBPacketReset(BBPacket):
+    def __init__(self, raw=None, force=None):
+        self.force = force
+        super(BBPacketReset, self).__init__(BBType.reset, raw=raw)
+
+    def __repr__(self):
+        return "BBPacketReset(force=%c)" % (self.force)
+
+    def _unpack_payload(self, payload):
+        self.force = struct.unpack("?", payload[:1])
+
+    def _pack_payload(self):
+        return struct.pack("?", self.force)
-- 
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