3.2.8.7 DIAG_DMAC_Transfer

Returns the status of the DMA_TRANSFER diagnostic

This function configures the DMAC to transfer a block of data from one SRAM location to another. Check that the request is carried out, with correct values for the source address, destination address, and data length.

DIAG_TEST_STATUS 
DIAG_DMAC_Transfer
(
    int chan
);

Diagnostic verifies the following faults do not exist

  • Hadware/ S/w triggered request ignored
  • Source address failure
  • Destination address failure
  • Data length failure

Operating Mode

  • Interface can be used at POST
Precondition
  • none

Parameters

  • chan - DMAC channel (if negative, routine will choose one)

Returns

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