Size limitation in 'Shareware GNMIDI'?
What is the translation of the error?
Problem with updating firmware
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Re: Problem with updating firmware
by dmitri » Wed Apr 22, 2009 2:25 pm
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Re: Problem with updating firmware
by thramul » Wed Apr 22, 2009 4:40 pm
oh sorry, forgot about that.
It says: Error in [filepath] line 1, followed by the two symbols as seen in the picture. I found nothing about size limitiation in "Shareware GNMIDI".
I also tried another program, called "Bome's SendSX 1.30". This one also crashed ... I guess I will have to do the LPT programming way, but I still would like to test it with an older firmware. Can you please provide me with a link?
Thanks!
It says: Error in [filepath] line 1, followed by the two symbols as seen in the picture. I found nothing about size limitiation in "Shareware GNMIDI".
I also tried another program, called "Bome's SendSX 1.30". This one also crashed ... I guess I will have to do the LPT programming way, but I still would like to test it with an older firmware. Can you please provide me with a link?
Thanks!
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Re: Problem with updating firmware
by dmitri » Wed Apr 22, 2009 8:47 pm
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Re: Problem with updating firmware
by Ken Forgettable » Thu Apr 23, 2009 2:49 pm
Try this:
+ Play some music with Media player - seriously!
+ Do the following again so you are left with Midi-OX still open and Megadrum with its' LED continuously lit.
+ Now *carefully* connect pins 1 and 3 on the ISCP 18F2550 header (don't let pin 2 connect to pin 3!).
+ Try and close Midi-OX - don't worry when things seem not to be functioning here.
+ Remove your short from the ISCP 18F2550 header.
+ Wait for Midi-OX to close - this could take up to a minute, so enjoy the music.
+ Open Midi-OX again and send the megadrum32_16_32_20090326.syx file.
+ Play some music with Media player - seriously!
+ Do the following again so you are left with Midi-OX still open and Megadrum with its' LED continuously lit.
thramul wrote:ok, the additional resistance worked very well, windows is able to detect megadrum again. I also was able to erease the firmware, but still, I cannot send the new firmware. When I sent the erase programm, the midi led was blinking and very soon the LCD showed: "ERASED". But when I try to send the new firmware, the midi LED is just alight and nothing happens at all.
+ Now *carefully* connect pins 1 and 3 on the ISCP 18F2550 header (don't let pin 2 connect to pin 3!).
+ Try and close Midi-OX - don't worry when things seem not to be functioning here.
+ Remove your short from the ISCP 18F2550 header.
+ Wait for Midi-OX to close - this could take up to a minute, so enjoy the music.
+ Open Midi-OX again and send the megadrum32_16_32_20090326.syx file.
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Re: Problem with updating firmware
by thramul » Thu Apr 23, 2009 11:13 pm
I tried it and it helped with the problem of midi ox crashing everytime I shut it down, but unfortunately not with the firmware issue.
Still, my megadrum is running again - even with the new firmware! I build the ICSP cable and followed the instructions of the documentation, I loaded the firmware "manually" via ponyprog. I tripple checked the resistances and other electronic elements and its all correct, so I can only suppose, that something with the IC's is wrong in this case. When I have time again, I will renew them and see, if this helps.
But for now, I'm happy with the new firmware
Thank you all so much for your help! This is service at its best
greetings,
Matthias
Still, my megadrum is running again - even with the new firmware! I build the ICSP cable and followed the instructions of the documentation, I loaded the firmware "manually" via ponyprog. I tripple checked the resistances and other electronic elements and its all correct, so I can only suppose, that something with the IC's is wrong in this case. When I have time again, I will renew them and see, if this helps.
But for now, I'm happy with the new firmware
Thank you all so much for your help! This is service at its best
greetings,
Matthias
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Re: Problem with updating firmware
by Ken Forgettable » Fri Apr 24, 2009 8:50 am
thramul wrote:I tried it and it helped with the problem of midi ox crashing everytime I shut it down, but unfortunately not with the firmware issue.
Need to test if the PIC can be made to stall just with PD0/1 - if so it may explain some other problems too...
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