3.2.24.9 DIAG_SERCOM_USART_TransmitMarching1

Returns the status of the USART_LOOPBACK diagnostic

This function verifies a message can be sent and received over the interface using external. 

DIAG_TEST_STATUS 
DIAG_SERCOM_USART_TransmitMarching1
(
    DIAG_SERCOM_USART_PERIPHS SERCOM_USART_periph
);

Diagnostic verifies the following faults do not exist

  • Transmitted data is incorrect

  • Received data is incorrect

  • Interrupts not generated

  • Interrupt cannot be cleared

Operating Mode

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

Parameters

  • SERCOM_USART_periph - enum value for which SERCOM_USART

Returns

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