| # CAN loopback device configuration options |
| |
| # Copyright (c) 2019 Alexander Wachter |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config CAN_LOOPBACK |
| bool "Emulated CAN loopback driver" |
| default y |
| depends on DT_HAS_ZEPHYR_CAN_LOOPBACK_ENABLED |
| select CAN_HAS_CANFD |
| help |
| This is an emulated driver that can only loopback messages. |
| |
| if CAN_LOOPBACK |
| |
| config CAN_MAX_FILTER |
| int "Maximum number of concurrent active filters" |
| default 16 |
| range 1 1024 |
| help |
| Defines the array size of the filters. |
| Must be at least the size of concurrent reads. |
| |
| config CAN_LOOPBACK_TX_THREAD_STACK_SIZE |
| int "TX thread stack size" |
| default 256 |
| help |
| Stack size of the TX thread. |
| The TX thread calls the callbacks of the receiver |
| if the filter matches. |
| |
| config CAN_LOOPBACK_TX_THREAD_PRIORITY |
| int "TX thread priority" |
| default 2 |
| help |
| Priority of the TX thread. |
| The TX thread calls the callbacks of the receiver |
| if the filter matches. |
| |
| config CAN_LOOPBACK_TX_MSGQ_SIZE |
| int "TX message queue size" |
| default 16 |
| help |
| Number of TX frames that can be buffered. |
| The send functions puts frame int this queue and TX thread takes the |
| messages from this msgq and calls the respective receiver if the |
| filter matches. |
| |
| endif # CAN_LOOPBACK |
