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feat: Add FDCan_CDev support #360

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feat: Add FDCan_CDev support #360

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f9e2645
Add FDCAN cdev support for STM32H7
Phil-Engljaehringer Dec 5, 2025
4c6244f
small fixes
Phil-Engljaehringer Dec 8, 2025
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46 changes: 46 additions & 0 deletions arch/arm/src/stm32h7/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -494,6 +494,10 @@ config STM32H7_FDCAN
select NET_CAN_HAVE_TX_DEADLINE
default n

config STM32H7_CAN
bool
default n

config STM32H7_DAC
bool
default n
Expand Down Expand Up @@ -702,6 +706,18 @@ config STM32H7_FDCAN2
default n
depends on STM32H7_HAVE_FDCAN2

config STM32H7_CAN1
bool "CAN1"
default n
select CAN
select STM32H7_CAN

config STM32H7_CAN2
bool "CAN2"
default n
select CAN
select STM32H7_CAN

menu "STM32H7 I2C Selection"

config STM32H7_I2C1
Expand Down Expand Up @@ -5600,5 +5616,35 @@ endchoice

endmenu # FDCAN Driver

menu "CAN driver configuration"
depends on STM32H7_CAN

config STM32H7_CAN1_BAUD
int "CAN1 BAUD"
default 1000000
depends on STM32H7_CAN1
---help---
CAN1 BAUD rate. Required if CONFIG_STM32H7_CAN1 is defined.

config STM32H7_CAN2_BAUD
int "CAN2 BAUD"
default 1000000
depends on STM32H7_CAN2
---help---
CAN2 BAUD rate. Required if CONFIG_STM32H7_CAN2 is defined.

config STM32H7_CAN_TSEG1
int "TSEG1 quanta"
default 7
---help---
The number of CAN time quanta in segment 1. Default: 7

config STM32H7_CAN_TSEG2
int "TSEG2 quanta"
default 1
---help---
The number of CAN time quanta in segment 2. Default: 1

endmenu # CAN driver configuration

endif # ARCH_CHIP_STM32H7
4 changes: 4 additions & 0 deletions arch/arm/src/stm32h7/Make.defs
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Expand Up @@ -57,6 +57,10 @@ ifeq ($(CONFIG_STM32H7_ADC),y)
CHIP_CSRCS += stm32_adc.c
endif

ifeq ($(CONFIG_STM32H7_CAN),y)
CHIP_CSRCS += stm32_fdcan_cdev.c
endif

ifeq ($(CONFIG_STM32H7_FDCAN),y)
CHIP_CSRCS += stm32_fdcan_sock.c
endif
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