http://forums.leaflabs.com/topic.php?id=9322 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:17:06 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=9322#post-20525 Sun, 28 Oct 2012 10:43:17 +0000 Bernardo769 20525@http://forums.leaflabs.com/ <p>The PC (Win XP-SP3) on which I tried with Python 2.7 has only this version installed.<br /> So I think the problem is elsewhere.</p> <p>On the first PC (Win Vista), I actually installed both versions of Python. And I have two error messages mentioned above.</p> <p>I'd be sure to use the correct procedure to re-flash the Maple-Mini.<br /> The wiring between the FTDI and Maple-Mini is visible here: <a href="http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.htm" rel="nofollow">http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.htm</a><br /> When I plug the USB jack on the FTDI.<br /> Maple-Mini blinks rapidly, then slowly, then stops blinking.<br /> In Device Manager, the FTDI is recognized: USB serial port (COM4).<br /> Then I press RESET buttons simultaneously and BUT.<br /> Then I release the RESET button while keeping the button pressed BUT.<br /> And finally I release the button BUT.<br /> In this section, nothing happens on the LED</p> <p>Then I open a DOS session, and I run the following commands:<br /> CD C:\Users\Olivier\Documents\Electronique\MAPLE STM32<br /> "C:\Program Files\Python33\python.exe" stm32loader.py -p COM4 -evw maple_mini_boot.bin</p> <p>and .... this time, it worked :</p> <p><a href="http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.txt.html" rel="nofollow">http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.txt.html</a></p> <p>I can get into programming my Maple-Mini. Thank you for your help. </p> http://forums.leaflabs.com/topic.php?id=9322#post-20524 Sun, 28 Oct 2012 09:08:31 +0000 gbulmer 20524@http://forums.leaflabs.com/ <p>Bernardo769 - I believe there are some incompatibilities between Python 2.x and 3.x. So have you tried un-installing all versions of Python, then installing 2.7?</p> <p>The upload for an ordinary Maple bootloader worked for me using Python 2.7 and the python serial package. </p> http://forums.leaflabs.com/topic.php?id=9322#post-20521 Sun, 28 Oct 2012 08:15:34 +0000 Bernardo769 20521@http://forums.leaflabs.com/ <p>Hi,</p> <p>Following my problem noted here: <a href="http://forums.leaflabs.com/topic.php?id=9223" rel="nofollow">http://forums.leaflabs.com/topic.php?id=9223</a><br /> I now try to re-flash the bootloader of my Maple-Mini. But I came across the following problem:<br /> <a href="http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.htm" rel="nofollow">http://bernard.o.perso.neuf.fr/Electronic/MAPLE/BurnBootLoader/BurnBootLoader.htm</a></p> <p>In summary:<br /> I installed python 3.3<br /> I installed pyserial-2.6<br /> and when I try to flash the bootloader, I have the following messages:</p> <p>CD C:\Users\Olivier\Documents\Electronique\MAPLE STM32<br /> "C:\Program Files\Python33\python.exe" stm32loader.py -p COM4 -evw maple_mini_boot.bin</p> <p>C:\Users\Olivier\Documents\Electronique\MAPLE STM32&gt;"C:\Program Files\Python33\python.exe" stm32loader.py -p COM4 -evw maple_mini_boot.bin<br /> Reading data from maple_mini_boot.bin<br /> Traceback (most recent call last):<br /> File "stm32loader.py", line 479, in &lt;module&gt;<br /> data = read(args[0])<br /> File "stm32loader.py", line 383, in read<br /> if bytes.startswith('\x7FELF'):<br /> TypeError: startswith first arg must be bytes or a tuple of bytes, not str</p> <p>I have another kind of problem when I try to re-flash with python2.7:</p> <p>F:\STM32&gt;"C:\Program Files\Python27\python.exe" stm32loader.py -p COM4 -evw mapl<br /> e_mini_boot.bin<br /> Reading data from maple_mini_boot.bin<br /> Can't init. Ensure BOOT0=1, BOOT1=0, and reset device<br /> Traceback (most recent call last):<br /> File "stm32loader.py", line 486, in &lt;module&gt;<br /> bootversion = cmd.cmdGet()<br /> File "stm32loader.py", line 139, in cmdGet<br /> if self.cmdGeneric(0x00):<br /> File "stm32loader.py", line 136, in cmdGeneric<br /> return self._wait_for_ack(hex(cmd))<br /> File "stm32loader.py", line 87, in _wait_for_ack<br /> raise CmdException("No response to %s" % info)<br /> __main__.CmdException: No response to 0x0</p> <p>Please help...<br /> Olivier BERNARD </p>