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zbus: add user-configurable HEAP_MEM_POOL_ADD_SIZE_ZBUS

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Zbus currently does only support default heap sizes.
The configuration option allows to decrease rom-footprint for embedded
applications. Adding the option to ZBus improves its flexibility and
while not increasing its complexity.

Add default of 0 value to compensate for previous cases where
HEAP_MEM_POOL_ADD_SIZE_ZBUS was defined as "".

Consistent naming 'Zbus'/'zbus' to 'ZBus'

Signed-off-by: Matthias Plöger <matthias.ploeger@phoenixcontact.com>
This commit is contained in:
Matthias Plöger 2025-06-02 14:21:27 +02:00 committed by Alberto Escolar
parent 4c3bfc821b
commit 239d53c5fc
1 changed files with 10 additions and 4 deletions
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14
subsys/zbus/Kconfig
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@ -2,7 +2,7 @@
# SPDX-License-Identifier: Apache-2.0
menuconfig ZBUS
bool "Zbus support"
bool "ZBus support"
depends on MULTITHREADING
help
Enables support for Zephyr message bus.
@ -101,7 +101,7 @@ config ZBUS_PRIORITY_BOOST
to determine a temporary publisher priority.
config ZBUS_ASSERT_MOCK
bool "Zbus assert mock for test purposes."
bool "ZBus assert mock for test purposes."
help
This configuration enables the developer to change the _ZBUS_ASSERT behavior. When this configuration is
enabled, _ZBUS_ASSERT returns -EFAULT instead of assert. It makes it more straightforward to test invalid
@ -109,11 +109,17 @@ config ZBUS_ASSERT_MOCK
config HEAP_MEM_POOL_ADD_SIZE_ZBUS
int
int "ZBus requested heap pool size."
default 2048 if ZBUS_MSG_SUBSCRIBER_BUF_ALLOC_DYNAMIC && !ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_DYNAMIC
default 1024 if !ZBUS_MSG_SUBSCRIBER_BUF_ALLOC_DYNAMIC && ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_DYNAMIC
default 3072 if ZBUS_MSG_SUBSCRIBER_BUF_ALLOC_DYNAMIC && ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_DYNAMIC
default 0
help
Configures the available heap memory pool for ZBus.
The heap is used for various ZBus operations (especially required for dynamic buffer allocation for
message subscribers and runtime observers).
In case of dynamic net buffer allocation the heap must fit all data distributed via message subscribers.
Can be set manual, if more heap is required, or default heap size is too big for the soc.
module = ZBUS
module-str = zbus