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After some digging/debugging, it turns out we need to set the following variable to '1' to have this 5th LED working: DEFAULT_MB6582_CS I found this out by this table in src/cs_menu_leds.inc where the fifth bit (reading from right to left) is only set in the first 'if' routine: CS_MENU_LED_LFO_Wav_Pattern andlw 0x0f ; 16 entries JUMPTABLE_2BYTES_UNSECURE retlw b'00000001' ; Sine retlw b'00000010' ; Triangle retlw b'00000100' ; Saw retlw b'00001000' ; Pulse retlw b'00010000' ; Random #if DEFAULT_MB6582_CS retlw b'00100001' ; Positive Sine retlw b'00100010' ; Positive Triangle retlw b'00100100' ; Positive Saw retlw b'00101000' ; Positive Pulse #else retlw b'00010001' ; Positive Sine retlw b'00010010' ; Positive Triangle retlw b'00010100' ; Positive Saw retlw b'00011000' ; Positive Pulse #endif retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved

I have still exactly the same 'issue'... From another place in the manual ( LFO section ) http://ucapps.de/midibox_sid_manual_l.html Wav (Waveform): selects the shape of the LFO. Following waveforms are provided: Sine, Triangle, Pulse, Ramp (Sawtooth), Random (Sample&Hold), and positive Sine/Triangle/Pulse/Ramp So I would indeed expect the 'positive' LED to be lit (new style?), in stead of the multiple leds (old style?) when selecting the other waveforms in the active/selected LFO... Will be doing some more investigations in the ASM configuration file, as it seems to be another setting :-)

Hi @TK. A great alternative for this would be to have the active SID led 'flash/dim' whenever there is midi activity like this is done in the FM v1. (instrument 1/4 led flash/dim) Would that be a feasible option (both programming wise, as resource PIC wise)?

my problem was a bad driver chip on the bhp_seq interface board....

Hi Keeze, I am not sure how, but I missed your offer. Many, many thanks, but sorry again for missing your response. Currently I am running with 2 blue modules, and my problem was solved by replacing the driver IC on the mbhp_seq interface board. So many thanks for your offer, and unless your are going to scrap our lcd's, I am not in a need anymore.

I just shared this thread in the Discord channel. Maybe that helps. At least there are knowledgable people there :-) Also tried to find some clues in the code, but this is hard for me. I did find something interesting (not sure if it is relatated at all), in src/cs_menu_leds.inc Searching for the word 'TMP5' shows in line 127: 127 ;; TMP5[5..0]: LFO waveform and in line 159: 159 ;; TMP5[6]: SID play state So in this file it looks like it's structured, but is the 'array' [5..0] correct? Should it be [4..0], and should there be a separate section for TMP5[5]?

Hi Oli, I just stumbled upon your question, and I never considered this function, however, it might be interesting... My first question would also be, which of the LFO's would it indicate, as there are 6? Is it a sum? Not sure.... As a test I configured my ASM file, and added a line for the function (and removing a working function from the hardware position just like you did). In my case the first SR1,0 (normally used for SID1 LED indicator). DOUT_ENTRY TMP5, 4, 0, 0 ; LFO Random LED DOUT_ENTRY TMP5, 5, 1, 0 ; LFO positive LED ;; additional LED functions which could be added: However, on first test, no magic....` I will also have a look to see if I get thus going in a way...

Did you have any better result with the 5v version?

Hi, Anyone got a spare TLV5630IDW ?

Hi All, I see a lot of folks have migrated to OLED for their SEQv4. boxes. Anyone willing to sell their old LCD? Location in Europe, otherwise shipping will be to expensive... Thanks in advance!

Hi, are all the connections shared, except the CS? when I use either SD , or Ethernet these work, but not at the same time…

Hi All, I purchased these 2 LCD display's but with the 'universal' driver in the MB-SEQv4 the output is garbled. After some more searching, it looks like these displays are '4-bit'. Can I choose a compatible driver and compile after that? Which one would suffice from the list: clcd_parallel holtek16514 ipad juce macos pcd8544 ssd1322 st7637 t6963_h t6963_v uc1610 universal The specs I could find for my display: Product Introduction: Model : LCM4002A-Ver 1 Product Type: Character LCD Module Display Format: 40*02 Characters Interface: 6800 4-bit Parallel Font: English/Japanese Control chip:SPLC780D Outline Dimension: 182.00(W)x33.50(H)x14.50(T)mm Visual Area: 163.00×26.60mm Active Area: 147.50×11.50mm Viewing Direction: 6:00 IC Package: COB Power Supply(Typ): 5.0V

Sourcing in the following is important for compiling: source_me_MBHP_CORE_STM32F4 It looks like I can compile after installing Debian package: sudo apt install gcc-arm-none-eabi After this, I can successfully compile!

Hi all, During build of my new SEQ hardware, I am struggling to get LCD working. I would like to see if I can switch to 4 bit mode, but need to compile the application for this. Do I need to pull this repo: https://github.com/midibox/mios32/tree/master/apps/sequencers/midibox_seq_v4 as startpoint for finding the source/adapt and compile like with MB SID app? Thanks!

Hi All, I understood the following in the 'retrocomp.cz' website: 15 June 2024 - new ARMSID firmware 2.16 One of the changes I noted was the capability of using the ext-in with this firmware. I really like that, but this feature is not yet available on the ARM2SID I have on my unit, but after checking with Martin, he replied that this is in the works and will be released also soon... I am looking forward for people able to test this feature, the results of the audio quality, and mods needed...