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Help. Cannot upload firmware via bootloader.
Posted:
Tue Feb 10, 2009 9:58 pmby feco
I build 2.8 kit...... but I is not working.....
Problem is:
If I conet megadrum to PC I have see Megadrum MIDI..... but is not posible to upload firmware.....
second problem is strange led lighing after to using USB power. External power is working well
I thinking about wrong PIC18F2550...
Can I upload firmware other way?????
Re: Help
Posted:
Tue Feb 10, 2009 10:20 pmby dmitri
feco wrote:I build 2.8 kit...... but I is not working.....
Problem is:
If I conet megadrum to PC I have see Megadrum MIDI..... but is not posible to upload firmware.....
How do you try to upload a firmware? Describe it step-by-step with smallest details.
second problem is strange led lighing after to using USB power. External power is working well
What do you mean by strange lighting?
Re: Help
Posted:
Tue Feb 10, 2009 10:35 pmby Synthex
You say me that you can navigate in bootloader menu, isn't it ?
Re: Help
Posted:
Tue Feb 10, 2009 10:39 pmby feco
I did try to upload with MCT...... But nothing do........I did push down button after this yes button on uploader and start lighting midi led and On The LCD is: Fw Updater 16 MHZ send Syssex now..... Thats all nothing do more
Strange lighting: I mean Inverte background with the text...
Re: Help
Posted:
Tue Feb 10, 2009 10:41 pmby feco
Synthex wrote:You say me that you can navigate in bootloader menu, isn't it ?
yes I can
Re: Help
Posted:
Tue Feb 10, 2009 10:46 pmby Synthex
18F2550 works : you've got "Megadrum MIDI" on your PC.
Atmega32 works : You can navigate on bootloder menu.
But the firmware has been erased.
Re: Help
Posted:
Tue Feb 10, 2009 10:48 pmby Synthex
feco wrote:Strange lighting: I mean Inverte background with the text...
What is the value of the resiststor "R lcd" ?
Re: Help
Posted:
Tue Feb 10, 2009 10:50 pmby feco
Synthex wrote:18F2550 works : you've got "Megadrum MIDI" on your PC.
Atmega32 works : You can navigate on bootloder menu.
But the firmware has been erased.
How can I upload firmware If is not going with usb????
And what about strange LCD lighting
Re: Help
Posted:
Tue Feb 10, 2009 10:51 pmby Synthex
You use the 16 MHz crystal ?
Re: Help
Posted:
Tue Feb 10, 2009 10:55 pmby feco
Synthex wrote:feco wrote:Strange lighting: I mean Inverte background with the text...
What is the value of the resiststor "R lcd" ?
47 ohm