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Showing content from http://arm-software.github.io/CMSIS_5/Driver/html/group__can__status__code__ctrls.html below:

Status Error Codes

Status codes of the CAN driver. More...

Status codes of the CAN driver.

The following callback notification unit events are generated:

#define ARM_CAN_UNIT_STATE_INACTIVE   (0U)

Unit state: Not active on bus (initialization)

#define ARM_CAN_UNIT_STATE_ACTIVE   (1U)

Unit state: Active on bus (can generate active error frame)

#define ARM_CAN_UNIT_STATE_PASSIVE   (2U)

Unit state: Error passive (can not generate active error frame)

#define ARM_CAN_UNIT_STATE_BUS_OFF   (3U)

Unit state: Bus-off (can recover to active state)

#define ARM_CAN_LEC_NO_ERROR   (0U)

Last error code: No error.

#define ARM_CAN_LEC_BIT_ERROR   (1U)

Last error code: Bit error.

#define ARM_CAN_LEC_STUFF_ERROR   (2U)

Last error code: Bit stuffing error.

#define ARM_CAN_LEC_CRC_ERROR   (3U)

Last error code: CRC error.

#define ARM_CAN_LEC_FORM_ERROR   (4U)

Last error code: Illegal fixed-form bit.

#define ARM_CAN_LEC_ACK_ERROR   (5U)

Last error code: Acknowledgment error.


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