Now i have switch to uart boot mode ,and My board is dm368 ,when download program is prompts :
Waiting for DONE...
DONE received. Sending the UBL...
100% [ ]
UBL sent....
DONE received. UBL was accepted.
UBL transmitted successfully.
Waiting for SFT on the DM36x...
Target: Starting UART Boot...
Target: BOOTUBL
BOOTUBL commmand received. Returning CMD and command...
CMD value sent. Waiting for DONE...
Target: DONE
DONE received. Command was accepted.
Command not recognized!
It prompt "commnad not recognized!" !