| # STM32 CAN configuration options |
| |
| # Copyright (c) 2018 Alexander Wachter |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| config CAN_STM32 |
| bool "STM32 CAN Driver" |
| default y |
| depends on DT_HAS_ST_STM32_CAN_ENABLED |
| help |
| Enable STM32 CAN Driver. |
| Tested on STM32F0, STM32F4, STM32L4 and STM32F7 series. |
| |
| if CAN_STM32 |
| |
| config CAN_MAX_STD_ID_FILTER |
| int "Maximum number of std ID filters" |
| default 14 |
| range 0 28 |
| help |
| Defines the maximum number of filters with standard ID (11-bit) |
| that can be added by the application. |
| |
| One standard ID filter with mask occupies 1/2 of the 14 available |
| filter banks. |
| |
| The following equation determines the maximum total number of |
| filters: |
| |
| CAN_MAX_STD_ID_FILTER + CAN_MAX_EXT_ID_FILTER * 2 <= 28 |
| |
| config CAN_MAX_EXT_ID_FILTER |
| int "Maximum number of ext ID filters" |
| default 7 |
| range 0 14 |
| help |
| Defines the maximum number of filters with extended ID (29-bit) |
| that can be added by the application. |
| |
| One extended ID filter with mask occupies 1 of the 14 available |
| filter banks. |
| |
| The following equation determines the maximum total number of |
| filters: |
| |
| CAN_MAX_STD_ID_FILTER + CAN_MAX_EXT_ID_FILTER * 2 <= 28 |
| |
| endif # CAN_STM32 |
