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 0x3307f5 on Page 0 of Length 0x16 Cannot write to target