CMSIS-Driver: Status Error Codes

| CMSIS-Driver Version 2.8.0 Peripheral Interface for Middleware and Application Code

- Main Page
- Usage and Description
- Reference

All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Macros
Status Error Codes
CAN Interface

Status codes of the CAN driver. More...

## Macros

#define | ARM_CAN_UNIT_STATE_INACTIVE (0U)
| Unit state: Not active on bus (initialization) More...
#define | ARM_CAN_UNIT_STATE_ACTIVE (1U)
| Unit state: Active on bus (can generate active error frame) More...
#define | ARM_CAN_UNIT_STATE_PASSIVE (2U)
| Unit state: Error passive (can not generate active error frame) More...
#define | ARM_CAN_UNIT_STATE_BUS_OFF (3U)
| Unit state: Bus-off (can recover to active state) More...
#define | ARM_CAN_LEC_NO_ERROR (0U)
| Last error code: No error. More...
#define | ARM_CAN_LEC_BIT_ERROR (1U)
| Last error code: Bit error. More...
#define | ARM_CAN_LEC_STUFF_ERROR (2U)
| Last error code: Bit stuffing error. More...
#define | ARM_CAN_LEC_CRC_ERROR (3U)
| Last error code: CRC error. More...
#define | ARM_CAN_LEC_FORM_ERROR (4U)
| Last error code: Illegal fixed-form bit. More...
#define | ARM_CAN_LEC_ACK_ERROR (5U)
| Last error code: Acknowledgment error. More...

## Description

Status codes of the CAN driver.

The following callback notification unit events are generated:

## Macro Definition Documentation

#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.