3.2.17.4 DIAG_OSCCTRL_FreqCalibration

Returns the status of the OSCCTRL_CLOCK_CALIBRATION diagnostic

This function performs the frequency test on selected oscillator. This function will measure the frequency of the oscillator with reference oscillator frequency.

Note: The DIAG_XOSC argument is not recommended when diagnosing boards with no external oscillator (XOSC).
DIAG_TEST_STATUS 
DIAG_OSCCTRL_FreqCalibration
(
     DIAG_CLK_SOURCE osc_periph
);

Diagnostic verifies the following faults do not exist

  • OSC running at the wrong frequency

Operating Mode

  • Interface can be used at POST
Precondition
  • none

Parameters

  • osc_periph - oscillator to test

Returns

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