upload doesn't work

Testing/Troubleshooting
1

upload problem on my cores from mike.

one core doesn’t send anything ( no upload request message)

the other one sends is : F0 00 00 7E 40 00 01 F7

but it doesn’t seem to receive anything so …

I began the TESTs

    *  TEST PROG1: Trust Mike :slight_smile:

    * TEST CORE1: Ok!

    * TEST CORE2:V3

    * TEST CORE3: it doesn’t seem to be a problem like this

    * TEST CORE4: indeed RX is only 1V or around 0.2V instead of 5V …!

    * TEST CORE5: no prob with gnd

    * TEST CORE6: seems to be ok BUT on out, M+ = M- …

    * TEST CORE7: 1N4148 is correctly placed

    * TEST CORE8: Ok too for the resistor at midi out

    * TEST CORE9: ok

    * TEST CORE10: ok

    * TEST CORE11: that C5 has contact with the +5V/Ground rails (see also mbhp_4xsid_c64_psu_optimized.pdf)!

    * TEST OUT1: Ok with a led but lighted up everytime with a little blinking effect

    * TEST OUT2: …?!

any ideas before I’ll burn all :stuck_out_tongue:

2

Make sure the optocoupler is facing the right way.

Hope it helps,

Lyle

3

hi lylehaze

my opto is correctly put on the problematic core!

I really don’t understand

I’ll recheck all the solders on the core to track a short circuit I didn’t see…

fortunately, my other core is ok.

mios uploaded.

my 2 DIN are ok, but my DOUT behaves strangely (i don’t know if it comes from my led matrix or my dout itself: a line seems to be always on, but with a very little luminance… strange)

I have to check the ain.

I think I had to make my own modules PCB

a big pcb with cores, ain, din, dout, double sided, with vynil coat

I’m sure my problem comes from bad soldering on the one sided modules &/or wires…

grrrrrrrrrrr

4

You seem to have a lot of intermittent errors, proto. Earlier in the chat you mentioned that your PSU stopped working, the other core (which now mysteriously works) didn’t even send out an upload request, …  Try and focus on one thing at a time.

5

you are right nils, but it was my first day plugged with protodeck and i just was afraid by thé beast and its behaviours :wink:

so today is a cold head day… better to check without thinking to drop the whole stuff into thé sea…!

i have to check further the core2. probably the short circuit that cause my psu to sleep a bit had just…killed it!

the Core 1 is ok

upload works, etc

Ain & Din are ok :slight_smile:

dout or code that drives it doesnt light leds matrix correctly

i’m using an uln on the first SR like noofny did.

the code is : http://code.assembla.com/protodeck/subversion/nodes/protodeck/protodeck_CORE_1/main.c

but it doesnt work

i suspected my matrix but it is ok after checking it

firmware has to respond to midi notes by lighting leds but in order bypass this part, i hardcoded values of ledmatrix storage table…all the same.

any ideas or suggestions?

 

http://code.assembla.com/protodeck/subversion/nodes/protodeck/protodeck_CORE_1/main.c