From 94908dc612676b3f9afc2f32812e1cc23542dcde Mon Sep 17 00:00:00 2001
From: Nick Foster <bistromath@gmail.com>
Date: Tue, 23 Apr 2019 10:28:09 -0700
Subject: utils: Add X300/X310 reset program

---
 host/utils/x300_reset.py | 109 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100755 host/utils/x300_reset.py

diff --git a/host/utils/x300_reset.py b/host/utils/x300_reset.py
new file mode 100755
index 000000000..7335c5d75
--- /dev/null
+++ b/host/utils/x300_reset.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+#
+# Copyright 2019 Ettus Research, a National Instruments Brand
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# This program is derived from uhd/firmware/usrp3/x300/x300_debug.py.
+
+import optparse
+import math
+import socket
+import struct
+import sys
+
+########################################################################
+# constants
+########################################################################
+X300_FW_COMMS_UDP_PORT = 49152
+
+X300_FW_COMMS_FLAGS_ACK = 1
+X300_FW_COMMS_FLAGS_ERROR = 2
+X300_FW_COMMS_FLAGS_POKE32 = 4
+X300_FW_COMMS_FLAGS_PEEK32 = 8
+
+X300_FW_RESET_REG = 0x100058
+X300_FW_RESET_DATA = 1
+
+#UDP_CTRL_PORT = 49183
+UDP_MAX_XFER_BYTES = 1024
+UDP_TIMEOUT = 3
+
+#REG_ARGS_FMT = '!LLLLLB15x'
+#REG_IP_FMT = '!LLLL20x'
+REG_PEEK_POKE_FMT = '!LLLL'
+
+_seq = -1
+def seq():
+    global _seq
+    _seq = _seq+1
+    return _seq
+
+
+########################################################################
+# helper functions
+########################################################################
+
+def unpack_reg_peek_poke_fmt(s):
+    return struct.unpack(REG_PEEK_POKE_FMT,s) #(flags, seq, addr, data)
+
+def pack_reg_peek_poke_fmt(flags, seq, addr, data):
+    return struct.pack(REG_PEEK_POKE_FMT, flags, seq, addr, data);
+
+########################################################################
+# Burner class, holds a socket and send/recv routines
+########################################################################
+class ctrl_socket(object):
+    def __init__(self, addr):
+        self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self._sock.settimeout(UDP_TIMEOUT)
+        self._sock.connect((addr, X300_FW_COMMS_UDP_PORT))
+        self.set_callbacks(lambda *a: None, lambda *a: None)
+        #self.init_update() #check that the device is there
+
+    def set_callbacks(self, progress_cb, status_cb):
+        self._progress_cb = progress_cb
+        self._status_cb = status_cb
+
+    def send(self,pkt):
+        self._sock.send(pkt)
+
+    def poke(self,poke_addr,poke_data):
+        out_pkt = pack_reg_peek_poke_fmt(X300_FW_COMMS_FLAGS_POKE32|X300_FW_COMMS_FLAGS_ACK, seq(), poke_addr, poke_data)
+        self.send(out_pkt)
+
+########################################################################
+# command line options
+########################################################################
+def get_options():
+    parser = optparse.OptionParser()
+    parser.add_option("--addr", type="string", help="X300 device address", default='')
+    (options, args) = parser.parse_args()
+    return options
+
+########################################################################
+# main
+########################################################################
+if __name__=='__main__':
+    options = get_options()
+
+    if not options.addr: raise Exception('no address specified')
+
+    status = ctrl_socket(addr=options.addr)
+
+    sys.stdout.write("Sending reset command...")
+    sys.stdout.flush()
+    status.poke(X300_FW_RESET_REG,X300_FW_RESET_DATA)
+    print "Done."
-- 
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