mb944

thanks sepoman, I'll keep an eye out for some! best regards, Alex

Hi, I know that The baudrates For LTC and MIDI ports arent the same, but we change the baudrate in the software. I was wondering if it would work to "MIX the ports" (see collage of thorsten's chematics) and simply buffer and send the midi signals twice, alternating the baudrates... I'll try it out on this rainy afternoon... ;D Cheers

Hi folks! These days, it seems that Serial ports Are phasing out on laptops, or maybe I'm just a lucky winner without a serial port on mine ;D I need to get an extra midi port on the damn thing. Any ideas for an LTC -->LPT mod ? I saw that Midiman Used to sell parallel port midi interfaces. Does anyone know where schematics/drivers for such design might be? Thanks in advance for any advice, Alex

Hello there! I'm really itching to make an extra midi interface for my pc and am looking forward to the USB PIC Module. Any news on it's progress? thanks! Alex

Spot on, TGP! Thanks! I'll get busy on it ;D

HI! I really love the way the power led indicator fades out as the voltage drops when I switch of my midibox. Therefore, I was wondering If there was a simple way of putting the equivalent of an Enveloppe (ATTACK, RELEASE) to the power of the dout pins, so that they can gradually fade on or off, like the cool apple on the back of mac laptops , Any ideas? cheers

Hello, This question is rather "extra-mios", and I appologize in advance, but I have a problem... I have a compiled PIC16F877 hex file that I want to run on PIC18F452. Is there an easy way of running this on these "easier to find in shops" chips? I have tried using a disassembler but I end up with a mplab cant recompile... Any suggestions, Many thanks in advance, Alex

Hello there! I'm planning on "midifiing" an old electric guitar I have kicking around. the triggering of notes is more or less sorted in my head (optical gates using timed finger blocking for velocity) But I'm not quite decided on the fretboard. My initial idea is the DIN the frets and ground the strings at the approprate moment (the rest of the work can be left to the software) ... But the big plan would be to remove the strings and have some sort of proximity detection on one end of the neck. Obviously, this would be a lot more fun to use, as I could scale the fret distances as I like via software, thus making an instruments to itself Any ideas as to working this out? Maybe IR ? Any solutions to getting my finger position along the neck "READ" would be very handy many thanks in advance, -Alex

Thanks TL! It works fine!! best regards, Alex

Hello midiboxers! I am really getting envolved in midiboxing and having enjoyed all the physical hardware developement side of it, I'm having some fun with Coding. What I am triying to do here is to Light a red led when an encoder approaches its maximum absolute value (above 100). I am using enc_example2_v1_3Â as a skelletton for my little project. I noticed that Just before sending the encoder value (third midi byte), MIOS moves it from TMP1 to W I assumed I could insert my code here and compare W with the WARNING_LEVEL... Here's what I'm wrote: ;; send the third MIDI byte movf TMP1, W ; value from 0x00 to 0x7f movlw 0x64 ; ABOVE THIS VALUE,LIGHT WARNING LED movwf WARNING_LEVEL movf TMP1, W ; value from 0x00 to 0x7f CPFSGT WARNING_LEVEL; COMPARE ENCODER VALUE WITH WARNING_LEVEL movlw 0x14 CALL MIOS_DOUT_PinSet1; LIGHT WARNING LED Call MIOS_MIDI_TxBufferPut At the moment, PINSET1 is being called every time I move the encoder. Can I make CPFSGT skip two lines? Better still, can I use something like: IF w>100 then movlw 0x14 CALL MIOS_DOUT_PinSet1 end if Thanks for any suggestions! Best regards, Alex

Hi! thanks for the info, Another lesson learnt ;) Best regards, Alex

Hi there! I don't know much about electronics so this question might seem very silly but here it goes, I have wired 16 leds to a Breadboarded DOUT module, without the resistors, because the leds work happily on 5v They are ultra violet and i'm worried I damage my eyes (really bright little things!!) I'm not looking forward to taking it all appart and starting over with the resistors, so... CAN I PUT THE RESISTOR BETWEEN GROUND PIN OF MODULE AND COMMON GROUND OF LEDS? I tried on a single led and it dimmed ok, will this cause any damage to my ics? thanks in advance, Alex

HI! ok, thanks for the info! I guess i'll stick a JACK up my nose from now on ;D The board looks purple because I took the foto with my mobile phone... ;) Have fun! Alex

Salut mec! When i saw your cool Camambert board it struck me: THE ULTIMATE REASON REX TRAVELLER! ;D this circular trigger pad is going to revolutionize my musik making too, i'll use it to trigger REX slices in any way or order i want. I etched a quick board to play with, but I have the very same problems as you describe: Notes seem monophonic and are quite noisy too. how did you fix it in the end? thanks in advance, Alex

Thorsten, Thanks for the advice! using the sid player, I am really beginning to get somewhere! here is a recording of THE LAST NINJA: www.gavinaldred.com/poorsid.mp3 It's another one of those most frustrating moments where things start to take shape in the middle of the night! the audio line is still wired directly to the SID out pin because I get nothing from the proper pins I'll wrorry about that once i know it's the last step to eternal satisfaction 8) Does it sound to you like something is still wrong? I do have last version of MIOS and have checked checked the 1K pullup and the hardware update, though got myself a bit confused, so here is my core<->sid hardware config(hope it makes sense): SID    CORE SC ------MD (PIN 28) RC ------RC SO ------SO MU ------MU I just won the bid for a working C64 including PSU, so I'll keep it in mind as a second chance... It's so frustrating not to know what to think of the sound it's currently producing!! Hope the new MP3 rings a bell to someone! I'm off to bed for now because I'm starting to hear my noisy laptop's ventilator play sid leads  :P Best regards, Alex

Ok here's an update: I found a 14VDC 800mA adapter but It only makes the sid Roar a sound until it receives a midi note, which stops it dead. You can listen to a new recording of it here (directly from pin): www.gavinaldred.com/poorsid.mp3 Anyone heard this kind of sound before fixing something? I'm allready on the lookout for another chip just in case it's hopeless. Anyone selling one cheap in europe? thanks, Alex

Hi! I also have a 12Vdc 500mA adapter I usualy use for other midiboxes, but I get similar results with that too. I'll look around the house for something else... best regards, Alex

Oups, your mp3 sounds great if you compare it to mine... :P www.gavinaldred.com/poorsid.mp3 thanks for the feedback, Alex

hi Pwx! I'm getting closer! when I power up, after say 3 seconds(probably the time mios takes to boot up) I hear a distant lead tune respond to the keys I play, but it only lasts half a second and fades away into a big distorted hum. Maybe my sid is damaged? I tried wiring the audio cable directly to the sid out pin and it does the same distorted not for half a second, only completely overdriven. Anyone experienced this before? My Power supply is 17Vdc@400ma (I dont have the original C64, just the chip) and it supplies the core and sid at the same time, correctly, at least my meter says so. Alex

Hello! all should be working ok, interconnection test rated 14/14 so I should be getting somewhere! I have no Lcd on my 6581 based sid module without control surface so I'm kind of blind as to what is going on in there. Is there and easy sysex I can send on the fly to get the sid to play a little tune or something? I have tried MIDIOX keys, but no sound, just an occasionnal high pitched Hiss. sid chip gets slightly warm too, suppose that is normal? Thanks for any suggestions! Alex

Hi Thorsten, thanks for the advice, I Made this weekend an ASM weekend, going through all the examples etc, and guess what? i wrote my own data table! thanks to your very comprehensive documentation,I now have this baby up and running, including animated Leds, custom lcd messages, all from visual basic!!! Alex

hi! thanks for the suggestions! the easiest solution seems to me to just have the din and ain pins "pluggable" instead of the chips ok, each button/pot/knob will need an individual wire, but I only had mini boxes in mind thanks again for the support Alex

Hi there! I would like to make several small midiboxes for differant purposes that I can Stack and shuffle together according to the project I work on. it would be cool to connect a differant physical controller for each VST I load in the host. Anyway, thats the concept, here's the question: It would be a waste to make a brand new core for each module so, could I have say a mother midibox with external 5 PIN DIN and AIN connectors? If so, could I go as far as scattering SHIFT REGISTERS over say 5 meters of cable or will I loose the clock? Thanks for any ideas or comments ;D

Ok, I'm playing with the main.ASM to see if I can make DATA2 (note number) of the received midi messages set the corresponding PIN to 5V: I thought I would use the MIOS_DOUT_PinSet1 fonction, Heres what I am trying: ;; -------------------------------------------------------------------------- ;; This function is called by MIOS when a complete MIDI event has been received ;; Input: ;; o first MIDI event byte in MIOS_PARAMETER1 ;; o second MIDI event byte in MIOS_PARAMETER2 ;; o third MIDI event byte in MIOS_PARAMETER3 ;; -------------------------------------------------------------------------- USER_MPROC_NotifyReceivedEvent movf MIOS_PARAMETER2, W call MIOS_DOUT_PinSet1 return I had no errors upon compilation but nothing happens when I send midi to the core. Any suggestions? please don't be rough, it's my first asm attempt :P cheers

Hi there! I have made a nice little box with only pushbutton integrated encoders. I have in mind to handle the leds with visual basic for animations etc. the example application enc_example2_v1_3.zip handles my encoders very well so i would like to keep it as a base, but now I need to take control of the Dout pins. Is there a simple code I can add to make the pins controllable like those on the midio128? If not, will sysex debugging work or must I activate it? thanks in advance for any advice, ::) Alex