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initial m_can support #231

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Merged
marckleinebudde merged 5 commits into from
Jul 17, 2026
+446 −0
Merged

initial m_can support #231

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e837372
m_can: add the base code for M_CAN
ryedwards Nov 16, 2022
294f568
m_can: add CAN bus off recovery support
marckleinebudde Jul 5, 2026
11df823
m_can: add support for Error State Indicator
marckleinebudde Jan 19, 2023
66c485f
m_can: add RX timestamp support
marckleinebudde Jan 20, 2023
07ee090
m_can: add TDC support
marckleinebudde Jun 21, 2026
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1 change: 1 addition & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -415,6 +415,7 @@ function(add_g0b1_target TGTNAME)
add_target_common(${TGTNAME} STM32G0B1xx)
target_compile_definitions(${TGTNAME}_fw PRIVATE BOARD_${TGTNAME} STM32G0 CONFIG_M_CAN)
target_compile_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_G0})
target_sources(${TGTNAME}_fw PRIVATE "src/can/m_can.c")
target_sources(${TGTNAME}_fw PRIVATE "src/device/device_g0.c")
target_link_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_G0})
target_link_libraries(${TGTNAME}_fw PRIVATE STM32_HAL_STM32G0B1xx STM32_USB_Device_Library_STM32G0B1xx)
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2 changes: 2 additions & 0 deletions include/board.h
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Expand Up @@ -36,6 +36,8 @@
struct board_channel_config {
#if defined(CONFIG_BXCAN)
CAN_TypeDef *interface;
#elif defined(CONFIG_M_CAN)
FDCAN_GlobalTypeDef *interface;
#endif
};

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5 changes: 5 additions & 0 deletions include/can.h
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Expand Up @@ -37,6 +37,9 @@
struct can_drv_reg_status {
#if defined (CONFIG_BXCAN)
uint32_t esr;
#elif defined(CONFIG_M_CAN)
uint32_t ecr;
uint32_t psr;
#endif
};

Expand All @@ -51,6 +54,8 @@ enum can_channel_flag {
typedef struct can_channel {
#if defined (CONFIG_BXCAN)
CAN_TypeDef *instance;
#elif defined(CONFIG_M_CAN)
FDCAN_HandleTypeDef channel;
#endif
struct can_drv_reg_status reg_status;
struct list_head list_from_host;
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