3.2.23.6 DIAG_SDADC_Linearity

Returns the status of the SDADC_LINEARITY diagnostic

This function verifies lineary on the selected SDADC instance and channel, by calculating a least-squares fit of DAC code output captured by SDADC.

DIAG_TEST_STATUS 
DIAG_SDADC_Linearity
(
    DIAG_SADC_AIN ain
);

Diagnostic verifies the following faults do not exist

  • Results are not linear

Operating Mode

  • Interface can be used at POST
Precondition
  • none

Parameters

  • ain - analog input

Returns

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