CLASSB_SST_InterruptTest

Function

CopyCLASSB_TEST_STATUS CLASSB_SST_InterruptTest(void);

Summary

This self-test checks basic functionality of the interrupt handling mechanism.

Description

This self-test configures the Nested Vectored Interrupt Controller (NVIC), the RTC peripheral and the TC0 peripheral to test the interrupt handling mechanism of the microcontroller. It verifies that at least one interrupt is generated and handled properly. This self-test also checks whether the number of interrupts generated are too many within a given time period. It reports a PASS if the RTC has generated at least one interrupt and the total number of interrupts generated by the TC0 is less than the specified upper limit and greater than one. The clock used for RTC is 1kHz from the internal OSCULP32K and for TC0, the clock is same as the default CPU clock (48MHz from the DFLL48M).

Precondition

None.

Parameters

None.

Returns

CLASSB_TEST_STATUS - Status of the test.

Example

CopyCLASSB_TEST_STATUS classb_test_status = CLASSB_TEST_NOT_EXECUTED;
// Perform test of the Interrupt mechanism at start-up
classb_test_status = CLASSB_SST_InterruptTest();

Remarks

This self-test can be used only during startup.