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flyweight303

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Posts posted by flyweight303

  4. Ethernet over usb

    in MIDIbox SEQ

    Posted

    Ah now I get it. The documentation helped a lot. Osc is supported over WiFi on lemur android. So if I connect the midibox to a WiFi router it should work. Better even because its wireless. So the whole USB Ethernet is pointless :) thanks a mil. Cheers Tim

  7. SmashTV Core STM32F4 SDCARD questions

    in MIDIbox SEQ

    Posted

    Hi Thorsten,

    Indeed the sdcard command failed, i just soldered another sdcard socket and it works!  I am really happy that i didn't braek anything while troubleshooting.   Still don't know what was so different with the socket which didn't work, but still really happy that it works now.

     

    Thanks all,

     

    Best regards,

     

    Tim

  8. STM32F407 Discovery not detected in Win 8.1

    in MIDIbox SEQ

    Posted

    Still no luck with the SDcard,

    All pins are connected ok.

     

    9 NC

    1 PB2

    2 PA7

    3 GND

    4 VDD 3v

    5 PA5

    6 GND

    7 PA6

    8 NC

     

    SD cards Shield connected to GND

    When connected to micro usb LD1 is blinking.

     

    When ejecting or inserting the SD card nothing hapens.

    3 v is available on pin 4 and 2 data lines

     

    The correct IC's in the sockets, the resistor network connect with common pin on 1.

     

    After flashing the seq4 app should some jumpers be removed?

     

     

     

     

     

    post-21175-0-43204100-1428169400_thumb.p

  14. STM32F407 Discovery not detected in Win 8.1

    in MIDIbox SEQ

    Posted · Edited by flyweight303

    So i managed to flash the core with the mios bootloader and sequencer 4 application.

    I first flashed midibox_seq_v4_088_pre9 but the sd card is not detected (4GB fat32).

    Messages: SD card not mounted

     

    If i take the sd in and out while connected to miosstudio nothing happened.

     

    i reverted to midibox_seq_v4_087, and also tried the GM midi driver but MIOSStudio fails to see the SD card.

     

    I used the following reader, and soldered pin 3 and 4 together.

    http://katalog.we-online.de/em/datasheet/693061010911.pdf

     

    Pinount from sdcard holder solderjoints to the STM32F4 core board.

    -8 not connected

    -7 PA6

    -6 GND

    -5 SCK PA5

    -4 VDD

    -3 GND

    -2 PC5

    -1 P82

    -9 GND

     

    The sd cards holder case is also connected to ground. Does anyone see a mistake? how should any SDcard be connected to the Coreboard? otherwise i can still try it with wires.

    How i can further test if the coreboard is soldered ok?

    The 1k resistor network is soldered with the letters faced to the right of the board.The ic's are connected as displayed on the board.

     

    Any help more then welcome,

     

    Best regards

     

    Tim

  16. STM32F407 Discovery not detected in Win 8.1

    in MIDIbox SEQ

    Posted

    Today I soldered together the core PCB from Smashtv. Looking really forward to building the midibox.

    But i ran in a problem and not able to flash the bootloader

    When i connect the STM32F407 with a mini-usb cable (only discovery connected via mini usb).

    jumpers CN3, JP1,2,3 are connected.LD2 blinks a couple of times and then nothing.

     

    The board is laying on my wooden desk.

    When i turn it LD1 starts blinking and the 4 colour leds start rotating.

     

    I installed the signed Win8.1 driver, and the latest st util.

    Sometimes i get an error that the usb device descriptor request failed, or sometimes nothing.

    In the device manager i can sometimes find the devices as unkown usb device, selecting the driver by hand fails.

    I tried to disable driver signing, varios different versions of the driver but no luck.

     

    If i start ST util and try to detect the board the program craches.

     

    Are there some problems with win 8.1 (i found quite some issues with win8 but mainly from a while back when there was no signed driver yet) or do i need a specific mini usb cable?

    Any hint is very welcome, meanwhile i will get a new mini usbcable.

     

    Best regards,

     

    Tim

     

     

     

  17. MPC style Note Repeat Function

    in MIDIbox SEQ

    Posted

    The way Roland implemented the arpegiator is way more flexible. To mimic the note repeat on the mpc you just select 1/4 1/6 1/8 etc. There is a knob to change octave intervals, note length. Then you can also change swing and Vario's note orders. Then there are many many other ARP types. I mean the note repeat is nothing more then a simple ARP? Or am I missing something?

  19. MIDI Box seq 4 plus step input idea

    in MIDIbox SEQ

    Posted

    Hi Guys,

    I am a Midibox seq newbe, i just ordered the parts to build one but no frontpanel pcb (+aout_ng) .

    At the moment i am just orientating on the design.

    Directly stolen from the MC-303, the world first groove box ;)

     

    post-21175-0-47349400-1418558292_thumb.p

     

    My aim after building the Midibox SEQ 4 (+) is to intergrate a sampler of some kind. For example an old smartphone, maybe the Rasperry PI (performance is not so good) or maybe another ARm based board could be used to run linux and linuxsampler https://www.linuxsampler.org.

    Linuxsampler is a real fully featured  sampler that supports the SFZ format.

    In my interface I looking to play notes some how, so it can be used standalone.

    I am currios what you guys think of the idea.

     

    BTW is it already possible to play notes using the current step sequencer?

     

    Best regards,

     

    Tim B

     

    post-21175-0-21680100-1418558300_thumb.j

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