AnsweredAssumed Answered

tech problem with L6470H disc board

Question asked by shen.cheng on Jul 24, 2015
Latest reply on Jul 24, 2015 by shen.cheng
Hi, i get start to test a L6470H discovery board and got some problems:
1.i try to connect board and pc with usb cable but it shows unknow device in windows device manager in win7-64bit but works fine in win xp 32bit.(i tried install DFU driver in DFUse software and SPINFamily Evaluation Tool software but still not work)
2.i start board firmware (place boot jumper) but the ready and led error light the motor not work, i used ulink to upload firmware hex file which provide on st website and get same result.
3.i try to upload source code from dSPIN Discovery Kit the LED works fine but the motor still not work. i checked power supply, source code work route and button response,everything but motor is ok.(sometimes the software will struck at line 335 at main.c which for checkflag signal)