61
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 19, 2020, 05:05:55 AM »
Ok- thanks I'll give it a try. Are the any particular options I will need to select when formatting the SD?
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62
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 18, 2020, 12:27:32 PM »
Xavier, do you think in time the compatibility issue with this SD card for SD access mode can be fixed?
Or is it more likely that the card will need to replaced with a different model?
The obvious limitation is not being able to backup my patches (or import patches to try out), or do future firmware updates via SD mode. Everything 'internal' to the synth itself seems to be working fine so far in 0.96.
Personally I find creating patches in the FM3 quite enjoyable. I had gotten used to the FM2 interface, but the FM3 display makes it really easy to see what's going on. I will really give it a workout when my OT comes back from repair.
Or is it more likely that the card will need to replaced with a different model?
The obvious limitation is not being able to backup my patches (or import patches to try out), or do future firmware updates via SD mode. Everything 'internal' to the synth itself seems to be working fine so far in 0.96.
Personally I find creating patches in the FM3 quite enjoyable. I had gotten used to the FM2 interface, but the FM3 display makes it really easy to see what's going on. I will really give it a workout when my OT comes back from repair.
63
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 16, 2020, 09:04:02 AM »
Ha- thanks. Just logged in to post that 
Edit: some more details. I have tried on PC's running Win7 and Win10. For both, the Preen FM3 text display, where the name of the firmware file should be, is junk text/symbols. When I enter SD card mode, the FM3 display shows the letter R with a spinning '/' symbol.
On the Win7 PC, it says "format the drive'. On the Win10 PC, it says 'Enter a disk in USB Drive D'. It recognizes a STM32 USB mass storage device but I can't actually access it: if I try I get the 'enter a disk' message.
Not sure if it helps but I figure the more info I can provide the better.
Edit: some more details. I have tried on PC's running Win7 and Win10. For both, the Preen FM3 text display, where the name of the firmware file should be, is junk text/symbols. When I enter SD card mode, the FM3 display shows the letter R with a spinning '/' symbol.
On the Win7 PC, it says "format the drive'. On the Win10 PC, it says 'Enter a disk in USB Drive D'. It recognizes a STM32 USB mass storage device but I can't actually access it: if I try I get the 'enter a disk' message.
Not sure if it helps but I figure the more info I can provide the better.
64
preenfm2 and preenfm3 / Re: r6 > euro retrofit?
« on: November 16, 2020, 07:13:46 AM »
Last answer from Xavier to this was a no:
http://ixox.fr/forum/index.php?topic=69695.msg74381#msg74381
Maybe things have changed?
http://ixox.fr/forum/index.php?topic=69695.msg74381#msg74381
Maybe things have changed?
65
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 14, 2020, 11:32:16 AM »
Yes I can read and save presets.
I don't know about the type of card, sorry- you would have to ask Ardi @ Van Daal.
I've emailed him to ask.
I don't know about the type of card, sorry- you would have to ask Ardi @ Van Daal.
I've emailed him to ask.
66
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 14, 2020, 11:20:08 AM »Quote
Can you try what follows.
This comes from the official dfu-util site :
https://github.com/libusb/libusb/wiki/Windows#How_to_use_libusb_on_Windows
We'll use Zadig to try to fix the driver.
Download and install it.
- Enter DFU mode on your preenfm
- Launch Zadig.
- Option > list all devices
- Select your DFU device.
- For it, select WINUSB drivers. Click replace driver.
Once it done, try again to run the command.
Thanks
This works! Bootloader is now 1.05 and firmware is 0.96.
The only remaining problems I see is the text about the firmware version is still random symbols,
and when I enter SD card access mode (button 3) my computer asks me to format the disk. Should I say yes or no?
67
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 14, 2020, 10:24:46 AM »
Thanks for your patience, I really am not a 'computer person' past simple things- I'm trying!
Can I just make sure I am right about this part- I can connect FM3 to the computer with the USB cable and boot to DFU mode. I don't need to do this:
To do so, put a jumber on the boot0 bins between center pin and Vcc, and switch on your preen.
I ran the commands as per the readme, first the booltoader. The cmnd window only flashed up for a second or two. Then the same with the firmware cmnd, the same thing. I checked just in case, the bootloader is still 1.02.
EDIT The cmnd file is called 'flash_bootloader' and in the READ ME it's called 'install_bootloader'- I don't know if that matters?
I entered "dfu-util-l" into a termina, , it says it is not recognized.
EDIT: what does this instruction mean please? Opon a commmand term and cd into this folder.
Can I just make sure I am right about this part- I can connect FM3 to the computer with the USB cable and boot to DFU mode. I don't need to do this:
To do so, put a jumber on the boot0 bins between center pin and Vcc, and switch on your preen.
I ran the commands as per the readme, first the booltoader. The cmnd window only flashed up for a second or two. Then the same with the firmware cmnd, the same thing. I checked just in case, the bootloader is still 1.02.
EDIT The cmnd file is called 'flash_bootloader' and in the READ ME it's called 'install_bootloader'- I don't know if that matters?
I entered "dfu-util-l" into a termina, , it says it is not recognized.
EDIT: what does this instruction mean please? Opon a commmand term and cd into this folder.
68
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 14, 2020, 09:15:00 AM »
So I should run the file called 'dfu-util'?
No - I read that and it just looked too complicated for me to understand
Do I need that to try your file?
EDIT: I tried running dfu-util. A text box flashed briefly on my computer monitor then closed.
Quote
Did you install STM32 DfuSe already ? (the second solution listed on the wiki)
No - I read that and it just looked too complicated for me to understand
Do I need that to try your file?EDIT: I tried running dfu-util. A text box flashed briefly on my computer monitor then closed.
69
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 14, 2020, 01:27:46 AM »
I'm trying to get past the first step.
I assume I can skip this bit as there is already bootloader 1.02 installed: Connect the boot0 pins with vcc on back side of the main PCB.
I hold menu while plugging the USB cable in. Select button 2 for DFU mode. The Preen screen says 'DFU mode' for a second then the screen goes blank. I don't have DC power connected, only USB.
This first time I did this my computer displayed a message saying it recognised a DFU device. The computer definitely sees "DFU in FS mode" connected.
Go to https://devanlai.github.io/webdfu/dfu-util/ using Chrome. When I click connect, there is no option for "DFU in FS Mode" only a list of 'unknown devices' none of which are DFU. I tested the process without the Preen connected to the computer and the list was the same, so I think this means WebDFU is not seeing the Preen.
I have tried on 2 separate computers running Win7 and Win10, both with the same result.
EDIT: the other thing I noticed is that when the PreenFM comes on (while holding 'Menu' button), there is a line of random text below the options. I think this is where the firmware update files would be to choose from pressing + or -. I press - + and the line of text changes but it is always nonsense/random symbols.
I assume I can skip this bit as there is already bootloader 1.02 installed: Connect the boot0 pins with vcc on back side of the main PCB.
I hold menu while plugging the USB cable in. Select button 2 for DFU mode. The Preen screen says 'DFU mode' for a second then the screen goes blank. I don't have DC power connected, only USB.
This first time I did this my computer displayed a message saying it recognised a DFU device. The computer definitely sees "DFU in FS mode" connected.
Go to https://devanlai.github.io/webdfu/dfu-util/ using Chrome. When I click connect, there is no option for "DFU in FS Mode" only a list of 'unknown devices' none of which are DFU. I tested the process without the Preen connected to the computer and the list was the same, so I think this means WebDFU is not seeing the Preen.
I have tried on 2 separate computers running Win7 and Win10, both with the same result.
EDIT: the other thing I noticed is that when the PreenFM comes on (while holding 'Menu' button), there is a line of random text below the options. I think this is where the firmware update files would be to choose from pressing + or -. I press - + and the line of text changes but it is always nonsense/random symbols.
70
preenfm2 and preenfm3 / Re: Preen FM3 volume output levels
« on: November 13, 2020, 11:11:12 AM »
Thanks Xavier, that advice helps already, especially about allocating Inst to outputs.
Algo 1, only op1 on all other ops off (I call this an 'init' patch).
Inst 1 is loaded with this 'init' patch as above. Nothing is assigned to Inst 2-6.
Inst 1 has 1 voice, all other Inst set to 0 voices.
Using 1 voice for Inst 1 is louder than using 2 voices.
Inst 1 is assigned to output 1-2.
Switching the unused instruments outputs to other than 1-2 also increases the volume output. With Inst 2 assigned to output 1-2, the output of Inst 1 is quieter (even though Inst 2 has nothing assigned to it).
Algo 1, only op1 on all other ops off (I call this an 'init' patch).
Inst 1 is loaded with this 'init' patch as above. Nothing is assigned to Inst 2-6.
Inst 1 has 1 voice, all other Inst set to 0 voices.
Using 1 voice for Inst 1 is louder than using 2 voices.
Inst 1 is assigned to output 1-2.
Switching the unused instruments outputs to other than 1-2 also increases the volume output. With Inst 2 assigned to output 1-2, the output of Inst 1 is quieter (even though Inst 2 has nothing assigned to it).
71
preenfm2 and preenfm3 / Preen FM3 volume output levels
« on: November 12, 2020, 11:46:11 PM »
On firmware 0.92 - I can't update until I hear back from Ardi about how to get to the SD card (I got a pre-built unit from Van Daal. The case is nice but there is no access to the SD card!)
Does anyone else find the audio output level on the FM3 low? I have to pump up the amplifier to hear it well compared to other synth units.
I have checked all the settings both in the mixer section and the patch itself (just a pure sine wave) and it is definitely set to put out maximum volume, but is still relatively quiet.
Does anyone else find the audio output level on the FM3 low? I have to pump up the amplifier to hear it well compared to other synth units.
I have checked all the settings both in the mixer section and the patch itself (just a pure sine wave) and it is definitely set to put out maximum volume, but is still relatively quiet.
72
preenfm2 and preenfm3 / Re: Bootloader 1.05 : SD card access
« on: November 12, 2020, 11:40:06 PM »
Thanks Xavier
That's good to know. I think I'll wait until that firmware update so I only have to take the case apart once.
That's good to know. I think I'll wait until that firmware update so I only have to take the case apart once.
73
preenfm2 and preenfm3 / Bootloader 1.05 : SD card access
« on: November 12, 2020, 12:14:40 AM »
Moved by Xavier from an other thread
I hope this is the right place to post. It may be a very stupid question.
The PreenFM3 wiki says the SD card needs to be removed to put firmware files on it.
Is there a way to boot FM3 in USB disk mode (like FM2) to transfer the file to the SD card over USB?
I bought a pre-built FM3 from Ardi and there is no physical access to remove the SD card.
I hope this is the right place to post. It may be a very stupid question.
The PreenFM3 wiki says the SD card needs to be removed to put firmware files on it.
Is there a way to boot FM3 in USB disk mode (like FM2) to transfer the file to the SD card over USB?
I bought a pre-built FM3 from Ardi and there is no physical access to remove the SD card.
74
preenfm2 and preenfm3 / Re: Any tips for a beginner? Learning preenFM2 and FM synthesis.
« on: October 09, 2020, 03:30:45 AM »
I found this to be a pretty good guide.
http://javelinart.com/FM_Synthesis_of_Real_Instruments.pdf
Also here:
https://www.soundonsound.com/techniques/introduction-frequency-modulation
http://javelinart.com/FM_Synthesis_of_Real_Instruments.pdf
Also here:
https://www.soundonsound.com/techniques/introduction-frequency-modulation
75
preenfm2 and preenfm3 / Re: IM velocity: stupid question
« on: September 26, 2020, 10:40:18 AM »
Thanks for the explanation Xavier.