Initial commit for N3xx development.

- Creates mpm/ subdirectory
- First pass at hardware daemon/MPM
- New code for LMK04828, AD9371
- spidev integration

Contributions by:

Martin Braun <martin.braun@ettus.com>
Derek Kozel <derek.kozel@ettus.com>
Mark Meserve <mark.meserve@ni.com>
Andrej Rode <andrej.rode@ettus.com>

1 files changed, 69 insertions, 0 deletions

diff --git a/mpm/python/usrp_mpm/rpc_server.py b/mpm/python/usrp_mpm/rpc_server.py
new file mode 100644
index 000000000..b092abdf7
--- /dev/null
+++ b/mpm/python/usrp_mpm/rpc_server.py
@@ -0,0 +1,69 @@
+#
+# Copyright 2017 Ettus Research (National Instruments)
+#
+# 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/>.
+#
+"""
+Implemented RPC Servers
+"""
+
+from __future__ import print_function
+from mprpc import RPCServer
+from usrp_mpm import periphs
+
+
+class EchoServer(RPCServer):
+    def echo(self, arg):
+        print(arg)
+        return arg
+
+
+class ClaimServer(RPCServer):
+    def __init__(self, state):
+        self._state = state
+        super(ClaimServer, self).__init__()
+
+    def claim(self, token):
+        'claim `token` - claims the MPM device with given token'
+        if self._state.claim_status.value:
+            if self._state.claim_token.value == token:
+                return True
+            return False
+        self._state.claim_status.value = True
+        self._state.claim_token.value = token
+        return True
+
+    def unclaim(self, token):
+        'unclaim `token` - unclaims the MPM device if it is claimed with this token'
+        if self._state.claim_status.value and self._state.claim_token.value == token:
+            self._state.claim_status.value = False
+            self._state.claim_token.value = ""
+            return True
+        return False
+
+    def list_methods(self):
+        methods = filter(lambda entry: not entry.startswith('_'), dir(self)) # Return public methods
+        methods_with_docs = map(lambda m: (m, getattr(self,m).__doc__), methods)
+        return methods_with_docs
+
+
+class MPMServer(RPCServer):
+    def __init__(self, state):
+        # Instead do self.mboard = periphs.init_periph_manager(args...)
+        self.mboard = periphs.lib.n3xx.periph_manager("/dev/spidev1.0", "")
+
+    def get_clock_id(self, dboard):
+        dboard = getattr(self.mboard, "get_dboard_"+dboard)
+        clk = dboard.get_clock_gen()
+        return clk.get_chip_id()