3.2.24.1 DIAG_SERCOM_USART_CrcCheck

Returns the status of the USART_CHECKSUM diagnostic

This function verifies an eight-byte message with a 1 in each bit position, plus a 16-bit CRC and verify it is received correctly. 

DIAG_TEST_STATUS 
DIAG_SERCOM_USART_CrcCheck
(
    DIAG_SERCOM_USART_PERIPHS sercom_usart_periph
);

Diagnostic verifies the following faults do not exist

  • Incorrect frequency

Operating Mode

  • Interface can be used at POST and ‘On Demand’
Precondition
  • none

Parameters

  • sercom_usart_periph - enum value for SERCOM_USART peripheral

Returns

  • DIAG_TEST_PASSED if no faults were found, otherwise, DIAG_TEST_FAILED.