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TMS320F28075: error with Fapi_issueProgrammingCommand

Part Number: TMS320F28075


Customer implemented Fapi_issueProgrammingCommand with the wrong data size( address:0x81AC7, size=8). Thus, Fapi_Error_AsyncIncorrectDataBufferLength had been returned.

However, after the error reported, they tried to implement Fapi_issueProgrammingCommand() or Fapi_issueAsyncCommandWithAddress() to program or erase again, but the functions could not take effect anymore.The related flash location contents kept unchanged. And if using CCS tool, the programming or erasing functions can work normally. 

Could you please help check the reasons? Thank you.

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