|  | # STM32 CAN configuration options | 
|  |  | 
|  | # Copyright (c) 2022 Blue Clover | 
|  | # Copyright (c) 2018-2020 Alexander Wachter | 
|  | # SPDX-License-Identifier: Apache-2.0 | 
|  |  | 
|  | config CAN_STM32_BXCAN | 
|  | bool "STM32 bxCAN driver" | 
|  | default y | 
|  | depends on DT_HAS_ST_STM32_BXCAN_ENABLED | 
|  | help | 
|  | Enable STM32 bxCAN Driver. | 
|  |  | 
|  | if CAN_STM32_BXCAN | 
|  |  | 
|  | config CAN_MAX_STD_ID_FILTER | 
|  | int "Maximum number of standard (11-bit) 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 extended (29-bit) 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_BXCAN | 
|  |  | 
|  | config CAN_STM32_FDCAN | 
|  | bool "STM32 FDCAN driver" | 
|  | default y | 
|  | depends on DT_HAS_ST_STM32_FDCAN_ENABLED | 
|  | select CAN_MCAN | 
|  | select USE_STM32_LL_RCC | 
|  |  | 
|  | if CAN_STM32_FDCAN | 
|  |  | 
|  | config CAN_MAX_STD_ID_FILTER | 
|  | int "Maximum number of standard (11-bit) ID filters" | 
|  | default 28 | 
|  | range 0 28 | 
|  | help | 
|  | Defines the maximum number of filters with standard ID (11-bit) | 
|  | that can be added by the application. | 
|  |  | 
|  | config CAN_MAX_EXT_ID_FILTER | 
|  | int "Maximum number of extended (29-bit) ID filters" | 
|  | default 8 | 
|  | range 0 8 | 
|  | help | 
|  | Defines the maximum number of filters with extended ID (29-bit) | 
|  | that can be added by the application. | 
|  |  | 
|  | endif # CAN_STM32_FDCAN | 
|  |  | 
|  | config CAN_STM32H7_FDCAN | 
|  | bool "STM32H7 FDCAN driver" | 
|  | default y | 
|  | depends on DT_HAS_ST_STM32H7_FDCAN_ENABLED | 
|  | select CAN_MCAN | 
|  | select USE_STM32_LL_RCC |