# 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 select PINCTRL 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 PINCTRL 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 PINCTRL select USE_STM32_LL_RCC