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From 937218a357ac1914fe410cf3ad31a67d54a63270 Mon Sep 17 00:00:00 2001
From: Scott Murray <scott.murray@konsulko.com>
Date: Mon, 17 Jun 2024 17:07:44 -0400
Subject: [PATCH 4/4] Enable val2dbc for sensor values
Rework to allow val2dbc mode to write out sensor values in
addition to actuator target values.
Upstream-Status: Pending
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
---
dbcfeeder.py | 8 ++++++--
dbcfeederlib/databrokerclientwrapper.py | 18 ++++++++++++------
dbcfeederlib/dbc2vssmapper.py | 21 ++++++++++-----------
dbcfeederlib/serverclientwrapper.py | 2 +-
mapping/README.md | 2 --
5 files changed, 29 insertions(+), 22 deletions(-)
diff --git a/dbcfeeder.py b/dbcfeeder.py
index c252503..c1e20c4 100755
--- a/dbcfeeder.py
+++ b/dbcfeeder.py
@@ -289,19 +289,23 @@ class Feeder:
log.debug("Processing %d VSS Data Entry updates", len(updates))
dbc_signal_names: Set[str] = set()
for update in updates:
+ value = None
if update.entry.value is not None:
- # This should never happen as we do not subscribe to current value
log.warning(
"Current value for %s is now: %s of type %s",
update.entry.path, update.entry.value.value, type(update.entry.value.value)
)
+ value = update.entry.value.value
if update.entry.actuator_target is not None:
log.debug(
"Target value for %s is now: %s of type %s",
update.entry.path, update.entry.actuator_target, type(update.entry.actuator_target.value)
)
- affected_signals = self._mapper.handle_update(update.entry.path, update.entry.actuator_target.value)
+ value = update.entry.actuator_target.value
+
+ if value != None:
+ affected_signals = self._mapper.handle_update(update.entry.path, value)
dbc_signal_names.update(affected_signals)
messages_to_send: Set[Message] = set()
diff --git a/dbcfeederlib/databrokerclientwrapper.py b/dbcfeederlib/databrokerclientwrapper.py
index 716ee6d..db2b80a 100644
--- a/dbcfeederlib/databrokerclientwrapper.py
+++ b/dbcfeederlib/databrokerclientwrapper.py
@@ -199,14 +199,20 @@ class DatabrokerClientWrapper(clientwrapper.ClientWrapper):
def supports_subscription(self) -> bool:
return True
- async def subscribe(self, vss_names: List[str], callback):
+ async def subscribe(self, vss_entries: dict[str, str], callback):
"""Create a subscription and invoke the callback when data received."""
entries: List[SubscribeEntry] = []
- for name in vss_names:
- # Always subscribe to target
- subscribe_entry = SubscribeEntry(name, View.FIELDS, [Field.ACTUATOR_TARGET])
- log.info("Subscribe entry: %s", subscribe_entry)
- entries.append(subscribe_entry)
+ for name, signal_type in vss_entries.items():
+ if signal_type == "actuator":
+ subscribe_entry = SubscribeEntry(name, View.FIELDS, [Field.ACTUATOR_TARGET])
+ log.info("Subscribe entry: %s", subscribe_entry)
+ entries.append(subscribe_entry)
+ if signal_type == "sensor":
+ subscribe_entry = SubscribeEntry(name, View.FIELDS, [Field.VALUE])
+ log.info("Subscribe entry: %s", subscribe_entry)
+ entries.append(subscribe_entry)
+ if not entries:
+ return
# If there is a path VSSClient will request a secure connection
if self._tls and self._root_ca_path:
diff --git a/dbcfeederlib/dbc2vssmapper.py b/dbcfeederlib/dbc2vssmapper.py
index 218f693..2be5e98 100644
--- a/dbcfeederlib/dbc2vssmapper.py
+++ b/dbcfeederlib/dbc2vssmapper.py
@@ -69,12 +69,13 @@ class VSSMapping:
parser: Parser = Parser()
def __init__(self, vss_name: str, dbc_name: str, transform: dict, interval_ms: int,
- on_change: bool, datatype: str, description: str):
+ on_change: bool, signal_type: str, datatype: str, description: str):
self.vss_name = vss_name
self.dbc_name = dbc_name
self.transform = transform
self.interval_ms = interval_ms
self.on_change = on_change
+ self.signal_type = signal_type
self.datatype = datatype
self.description = description
# For time comparison (interval_ms) we store last value used for comparison. Unit seconds.
@@ -347,7 +348,7 @@ class Mapper(DBCParser):
if can_signal_name not in self._dbc2vss_mapping:
self._dbc2vss_mapping[can_signal_name] = []
mapping_entry = VSSMapping(expanded_name, can_signal_name, transformation_definition, interval, on_change,
- node["datatype"], node["description"])
+ node["type"], node["datatype"], node["description"])
self._dbc2vss_mapping[can_signal_name].append(mapping_entry)
for msg_def in self.get_messages_for_signal(can_signal_name):
@@ -398,7 +399,7 @@ class Mapper(DBCParser):
log.warning("Ignoring \"interval_ms\" property of mapping definition for %s", expanded_name)
mapping_entry = VSSMapping(expanded_name, can_signal_name, transform, interval, on_change,
- node["datatype"], node["description"])
+ node["type"], node["datatype"], node["description"])
if can_signal_name not in self._vss2dbc_mapping:
self._vss2dbc_mapping[expanded_name] = []
self._vss2dbc_mapping[expanded_name].append(mapping_entry)
@@ -426,12 +427,7 @@ class Mapper(DBCParser):
if dbc2vss_def is not None:
self._analyze_dbc2vss(expanded_name, node, dbc2vss_def)
if "vss2dbc" in node:
- if node["type"] == "actuator":
- self._analyze_vss2dbc(expanded_name, node, node["vss2dbc"])
- else:
- # vss2dbc is handled by subscription to target value, so only makes sense for actuators
- log.error("vss2dbc only allowed for actuators, VSS signal %s is not an actuator!", expanded_name)
- sys.exit(-1)
+ self._analyze_vss2dbc(expanded_name, node, node["vss2dbc"])
def _traverse_vss_node(self, name, node, prefix=""):
"""
@@ -474,9 +470,12 @@ class Mapper(DBCParser):
"""Get all CAN signal names for which a mapping to a VSS Data Entry exists."""
return self._dbc2vss_mapping.keys()
- def get_vss2dbc_entries(self) -> KeysView[str]:
+ def get_vss2dbc_entries(self) -> Dict[str, str]:
"""Get all VSS Data Entry paths for which a mapping to a CAN signal name exists."""
- return self._vss2dbc_mapping.keys()
+ entries: Dict[str, str] = {}
+ for name, mappings in self._vss2dbc_mapping.items():
+ entries[name] = mappings[0].signal_type
+ return entries
def get_vss_names(self) -> Set[str]:
"""Get all VSS names used in mappings, both vss2dbc and dbc2vss"""
diff --git a/dbcfeederlib/serverclientwrapper.py b/dbcfeederlib/serverclientwrapper.py
index fa43d28..86b2ceb 100644
--- a/dbcfeederlib/serverclientwrapper.py
+++ b/dbcfeederlib/serverclientwrapper.py
@@ -122,6 +122,6 @@ class ServerClientWrapper(clientwrapper.ClientWrapper):
log.info("Feature not implemented")
return False
- async def subscribe(self, vss_names: List[str], callback):
+ async def subscribe(self, vss_entries: dict[str, str], callback):
log.error("Feature not implemented")
return
diff --git a/mapping/README.md b/mapping/README.md
index 2155f28..ea6de07 100644
--- a/mapping/README.md
+++ b/mapping/README.md
@@ -44,8 +44,6 @@ This is built on the assumption that the DBC provider always send target values
Having separate configurations (`dbc2vss` and `vss2dbc`) is needed as wanted value and actual value never are sent
by the same DBC signal, they are not even part of the same CAN-frame.
-*This means that `vss2dbc` only can be used for actuators, as only actuators have target values!*
-
## Example mapping files
Example mapping files for various VSS versions can be found in this folder.
--
2.44.0
|
