Author Topic: LambdaSpeak FS  (Read 7938 times)

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Offline RetroCPC

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Re: LambdaSpeak FS
« Reply #75 on: 12:07, 15 May 21 »
Really impressive - as soona s ai complete the current PCB I'm working on I plan to contact Dream and see whats possible - I'd like to use there later SAM5xxx series IC's as we can then easily make a CPC "Sound card" that outperforms the Roland box :)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #76 on: 22:07, 17 May 21 »
Oh, I need to ask, because we just developed an expanded serial mode, so I got distracted.
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Offline RetroCPC

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Re: LambdaSpeak FS
« Reply #77 on: 23:53, 17 May 21 »
Any more details on the extended serial mode?

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #78 on: 19:44, 18 May 21 »
Any more details on the extended serial mode?
See Github...

https://github.com/lambdamikel/LambdaSpeak-FS
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Offline GUNHED

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Re: LambdaSpeak FS
« Reply #79 on: 02:23, 26 May 21 »
Hello dear LFS users...

For the LambdaSpeak FS there is now Firmware 10 and an updated RSX ROM for it.
The update is about the serial connection / protocol, which is now more save. (see my homepage).

If you need you ATMega644 updated with new Firmware, I can do that for you of course :-)

A new batch of 10 boards is nearly ready btw.
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #80 on: 17:44, 02 June 21 »
Is there any interest in XMODEM transfers using the serial port?
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Offline HAL 6128

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Re: LambdaSpeak FS
« Reply #81 on: 21:18, 02 June 21 »
You mean the CP/M tool XMODEN? It's nice to transfer files via Putty to the CPC. Why not?
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Offline GUNHED

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Re: LambdaSpeak FS
« Reply #82 on: 22:59, 02 June 21 »
You mean the CP/M tool XMODEN? It's nice to transfer files via Putty to the CPC. Why not?
For today I added to the ROM for LFS just two new commands, to transfer data using XMODEM protocol:

|S.XBLK: The command '|S.XBLK,address,length' will send a memory area to the serial port using XMODEM. The parameter 'address' defines the start address in RAM and 'lenght' defines the number of 128 byte blocks.

|R.XBLK: This command '|R.XBLK,address' is used to receive data via XMODEM and to store it in RAM at 'address'.

Attention: Before using commands '|S.XBLK' and '|R.XBLK' please switch the LSF into serial mode! Stable up to 14400 baud, tomorrow I'll make it even faster.  :)
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #83 on: 18:01, 14 July 21 »
Today, eventually I got the Click2Speech Boards, so the next 10 units of LFS are nearly ready to be shipped. First I want to get the 3.5" male 2 male though, to add them to the LFS. Then I will thoroughly test every unit. The price will be around 55-60 Euros plus shipping. I don't know exactly yet.


If you want an unit let me know, and I will put you to the preorder list (see first post).
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline RetroCPC

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Re: LambdaSpeak FS
« Reply #84 on: 14:15, 15 July 21 »
Great news, I suggest anyone considering a unit to grab one while they are available - as the world-wide semiconductor situation is really really critical, almost any new IC orders are "52 weeks+" which means we have no idea when we can provide stock.

I'm constantly get requests for help with sourcing or help / suggestions with redesign... but its like chasing your tail, redesign a new part in and it or something else becomes 52 weeks plus lead times...


Offline GUNHED

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Re: LambdaSpeak FS
« Reply #85 on: 15:39, 15 July 21 »
That's exactly how it is. 'Waiting times' for chips are crazy!


BTW: Does somebody know where to find very short cables with two male plugs (3,5mm jacks)?
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Offline SkulleateR

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Re: LambdaSpeak FS
« Reply #86 on: 15:54, 15 July 21 »
BTW: Does somebody know where to find very short cables with two male plugs (3,5mm jacks)?
20 cm is the shortest I know of : https://kurze-kabel.de/epages/7fc6aa8e-47e1-451f-b7e8-d9a53c078722.sf/de_DE/?ObjectPath=/Shops/7fc6aa8e-47e1-451f-b7e8-d9a53c078722/Products/E01

Offline eto

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Re: LambdaSpeak FS
« Reply #87 on: 16:12, 15 July 21 »
Does somebody know where to find very short cables with two male plugs (3,5mm jacks)?

How short and how cheap should it be?

Offline genesis8

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Re: LambdaSpeak FS
« Reply #88 on: 16:15, 15 July 21 »
Ymodem would be safer (better error control, not adding characters at end of file so it is a multiple of 128 like on the Notepad) and better as it can send the name of the file, beware of the different of ymodem implementation (like xmodem though : checksum, crc, 1K...)
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Offline GUNHED

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Re: LambdaSpeak FS
« Reply #89 on: 15:57, 16 July 21 »
20 cm is the shortest I know of : https://kurze-kabel.de/epages/7fc6aa8e-47e1-451f-b7e8-d9a53c078722.sf/de_DE/?ObjectPath=/Shops/7fc6aa8e-47e1-451f-b7e8-d9a53c078722/Products/E01

Thanks for the link. But 6 Euros is much money (for the buyers).
Eventually I got one for 2 Euros per piece with golden contacts.


Ymodem would be safer (better error control, not adding characters at end of file so it is a multiple of 128 like on the Notepad) and better as it can send the name of the file, beware of the different of ymodem implementation (like xmodem though : checksum, crc, 1K...)

On a short distance 5 Volt serial protocol XMODEM is great, because it works with 128 byte blocks and the protocol is clearly defined. Adding characters is no problem on the CPC, because it operates with 128 byte records (on disc) and these blocks get filled up using &1A anyway.
In addition it's 'spoken' by nearly everything.  :)

However, to add YMODEM is no deal and no problem.  :)  Which one (exactly) do you want? I will add it for file transfer if you like.



Just estimated the final price of the LFS per unit: 55,44 Euros
« Last Edit: 16:03, 16 July 21 by GUNHED »
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
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Offline GUNHED

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Re: LambdaSpeak FS
« Reply #90 on: 16:09, 16 July 21 »
Well, this was a double post, but since I can't delete it I try to say something meaningful...  :picard:  Waiting...  :picard2:


Let's say... One fully tested and working LFS including shipping will be 57 Euro.

Two more units can be ordered right now. Then they're sold out again.
« Last Edit: 16:14, 16 July 21 by GUNHED »
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #91 on: 16:27, 23 July 21 »
Good news: Got a dozen of 4 GB SD-cards for cheap. They will be my present of all new LFS customers, including prefilled MP3s (just to demonstrate the MP3 jukebox).  :)
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
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Offline genesis8

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Re: LambdaSpeak FS
« Reply #92 on: 16:55, 23 July 21 »

However, to add YMODEM is no deal and no problem.  :)  Which one (exactly) do you want? I will add it for file transfer if you like.


Ymodem CRC 1k as seen in http://pauillac.inria.fr/~doligez/zmodem/ymodem.txt
Ymodem-g seems a bit too much for the CPC ?
Zmodem would be a dream of course
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Offline GUNHED

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Re: LambdaSpeak FS
« Reply #93 on: 17:16, 30 July 21 »
Just a little pcb and you got full MIDI power...



https://www.youtube.com/watch?v=pALPSsPMABM

http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #94 on: 13:50, 02 August 21 »
And now the Midi recorder and the MIDI player...



https://www.youtube.com/watch?v=5fY1LYohHOA


Oh, btw. the new batch of LFS is finally ready to be shipped... (waited for cables from GB a long time eventually).
« Last Edit: 17:17, 02 August 21 by GUNHED »
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline zhulien

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Re: LambdaSpeak FS
« Reply #95 on: 05:19, 03 August 21 »
For today I added to the ROM for LFS just two new commands, to transfer data using XMODEM protocol:

|S.XBLK: The command '|S.XBLK,address,length' will send a memory area to the serial port using XMODEM. The parameter 'address' defines the start address in RAM and 'lenght' defines the number of 128 byte blocks.

|R.XBLK: This command '|R.XBLK,address' is used to receive data via XMODEM and to store it in RAM at 'address'.

Attention: Before using commands '|S.XBLK' and '|R.XBLK' please switch the LSF into serial mode! Stable up to 14400 baud, tomorrow I'll make it even faster.  :)


Why not |SUCK and |BLOW?  My Amstrad used to like sucking people's d*** (data). 


Offline zhulien

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Re: LambdaSpeak FS
« Reply #96 on: 05:24, 03 August 21 »
Any chance for a companion board that could be external to the Mx4 bus - as likely only needs power... with like 4 or 6 stereo 3.5mm inputs, and 1 stereo 3.5mm output - all mixed so we can use CPC audio, Speech Synth + mp3 board, PlayCity and future audio items at once without constant plugging / unplugging... if on the Mx4 bus, would bluetooth audio out be possible to sync with headphones?

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #97 on: 17:39, 03 August 21 »
Why not |SUCK and |BLOW?  My Amstrad used to like sucking people's d*** (data).
Because SUCK is another protocol compared to XMODEM (see Vortex SIO documentation). No, this is not a joke - SUCK and BLOW do have a defined protocol.
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http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline GUNHED

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Re: LambdaSpeak FS
« Reply #98 on: 17:44, 03 August 21 »
Off-Topic:
/ OFF TOPIC...

Any chance for a companion board that could be external to the Mx4 bus - as likely only needs power... with like 4 or 6 stereo 3.5mm inputs, and 1 stereo 3.5mm output - all mixed so we can use CPC audio, Speech Synth + mp3 board, PlayCity and future audio items at once without constant plugging / unplugging... if on the Mx4 bus, would bluetooth audio out be possible to sync with headphones?

That's a great idea. I always wanted a little sound mixer for 5x 3.5" in and one single out - going to the stereo you what you want. Would be awesome to have such a thing!!!

/ BACK TO TOPIC...
« Last Edit: 17:48, 03 August 21 by GUNHED »
http://futureos.de --> Get the revolutionary FutureOS (Update: 2021.01.24)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.07.15)

Offline zhulien

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Re: LambdaSpeak FS
« Reply #99 on: 10:38, 04 August 21 »
How is a companion software not off topic, but a companion hardware off topic?   as great as the Llambdaspeak is, i need multiple sets of speakers to hear everything... i have 6 speakers on my desk for 1 CPC and still cannot hear everything.