Have you seen this error?
C28xx: Flash Programmer: Warning: The configured device (TMS320F28335), does not match the detected device (). Flash Programming operations could be affected. Please consider modifying your target configuration file.
C28xx: GEL Output:
ADC Calibration not complete, check if device is unlocked and recalibrate.C28xx: GEL Output:
ADC Calibration not complete, check if device is unlocked and recalibrate.C28xx: Flash Programmer: Error erasing flash memory. Device is locked or not connected. Operation cancelled
C28xx: Flash Programmer: Error erasing Flash memory.
C28xx: Flash Programmer: Device is locked or not connected. Operation cancelled.
C28xx: Trouble Writing Memory Block at 0x33fff6 on Page 0 of Length 0x2
Cannot write to target
I just started getting this issue all of a sudden.