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3 API
3.2 Diagnostic Mechanisms
3.2.5 DIAG_CAN
3.2.5.11 DIAG_CAN_TransmitMarching1
Returns the status of the CAN_LOOPBACK, CAN_TIMING_MONITOR and CAN_INTERRUPTS diagnostics.

1 Preface
2 Diagnostic Library for SAM C21
3 API
- 3.1 API Overview
- 3.2 Diagnostic Mechanisms
  - 3.2.1 DIAG_CORTEX_M0
  - 3.2.2 DIAG_ADC
  - 3.2.3 DIAG_BANDGAP
  - 3.2.4 DIAG_BUSSES
  - 3.2.5 DIAG_CAN
    - 3.2.5.1 DIAG_CAN_CRCCheck
      Returns the status of the CAN_CHECKSUM diagnostic
    - 3.2.5.2 DIAG_CAN_DISABLE
      Returns the status of the CAN_DISABLE diagnostic
    - 3.2.5.3 DIAG_CAN_Enable
      Returns the status of the CAN_ENABLE diagnostic
    - 3.2.5.4 DIAG_CAN_Initialize
      Initialize the registers of the peripheral prior to functional testing.
    - 3.2.5.5 DIAG_CAN_Marching1Loopback
      Returns the status of the CAN_LOOPBACK, CAN_TIMING_MONITOR and CAN_INTERRUPTS diagnostics.
    - 3.2.5.6 DIAG_CAN_RxBuffer
      Returns the status of the CAN_RX_BUFFER diagnostic
    - 3.2.5.7 DIAG_CAN_SFRReset
      Returns the status of the SFR_RESET diagnostic
    - 3.2.5.8 DIAG_CAN_SFRWriteRead
      Returns the status of the SFR_RESET_TEST diagnostic
    - 3.2.5.9 DIAG_CAN_TimeStamps
      Returns the status of the CAN_TIMESTAMP diagnostic
    - 3.2.5.10 DIAG_CAN_Transmit1
      Returns the status of the CAN_LOOPBACK and CAN_TIMING_MONITOR diagnostics
    - 3.2.5.11 DIAG_CAN_TransmitMarching1
      Returns the status of the CAN_LOOPBACK, CAN_TIMING_MONITOR and CAN_INTERRUPTS diagnostics.
  - 3.2.6 DIAG_DAC
  - 3.2.7 DIAG_DIVAS
  - 3.2.8 DIAG_DMAC
  - 3.2.9 DIAG_DSU
  - 3.2.10 DIAG_EIC
  - 3.2.11 DIAG_FLASH
  - 3.2.12 DIAG_FREQM
  - 3.2.13 DIAG_GLCK
  - 3.2.14 DIAG_GPIO
  - 3.2.15 DIAG_MCLK
  - 3.2.16 DIAG_OSC32KCTRL
  - 3.2.17 DIAG_OSCCTRL
  - 3.2.18 DIAG_PAC
  - 3.2.19 DIAG_PM
  - 3.2.20 DIAG_POR
  - 3.2.21 DIAG_RSTC
  - 3.2.22 DIAG_RTC
  - 3.2.23 DIAG_SDADC
  - 3.2.24 DIAG_SERCOM_USART
  - 3.2.25 DIAG_SUPC
  - 3.2.26 DIAG_TC
  - 3.2.27 DIAG_TCC
  - 3.2.28 DIAG_WDT
- 3.3 Safe PLIB
  Safe PLIBs are used for setting up and controlling the operation of the peripherals.
4 Appendix - FMEDA to Diagnostic API Mapping
5 Known Issues
6 Revision History
Microchip Information

3.2.5.11 DIAG_CAN_TransmitMarching1

Returns the status of the CAN_LOOPBACK, CAN_TIMING_MONITOR and CAN_INTERRUPTS diagnostics.

DIAG_TEST_STATUS DIAG_CAN_TransmitMarching1(void)

Diagnostic verifies the following faults do not exist

Transmitted message is incorrect
Received message is incorrect
Received message is sent to wrong buffer
No CAN Interrupt generated
Interrupt cannot be cleared

Operating Mode

Interface can be used at POST

Precondition

none

Parameters

void

Returns

DIAG_TEST_PASSED if no faults were found, otherwise, DIAG_TEST_FAILED.