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C28xx: Flash Programmer: Warning: The configured device (TMS320F28027), does not match the detected device ()

Other Parts Discussed in Thread: LAUNCHXL-F28027F, BOOSTXL-DRV8301, TMS320F28027

Hello,

I´m working with LAUNCHXL-F28027F combined with BOOSTXL-DRV8301 to get current measurement results, and on LAUNCHXL-F28027F I left Switch S4 on   because I wanted to have communication with Scilab, and devices were working properly, but after some time I got this message:

C28xx: Flash Programmer: Warning: The configured device (TMS320F28027), does not match the detected device (). Flash Programming operations could be affected. Please consider modifying your target configuration file.
C28xx: GEL Output:
Device Calibration not complete, check if device is unlocked and recalibrate.C28xx: GEL Output:
Device Calibration not complete, check if device is unlocked and recalibrate.C28xx: Flash Programmer: Device is locked or not connected. Operation cancelled.
C28xx: GEL: File: C:\Users\sdidovic\Desktop\Diplomski\LaunchPad\TI_TMS320F28027_LounchPad\Blinky.out: Load failed.

and since then I can´t establish Connection with LAUNCHXL-F28027F. Is the device damaged? And is the Problem  that I left swich S4 turned on, because later I´ve read in datasheet that it should be turned off. And if that´s the case is  there a way to use BOOSTXL-DRV8301with swich S4 turned on?

Thanks in advance,

Said