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Messages - lokki

Pages: 1 ... 6 7 [8] 9 10 ... 14
106
PreenFM2 / Re: Screen problem
« on: August 12, 2017, 06:34:01 PM »
ok, i hope it stays that way.

maybe my assumption with the vibrations causing the glitch were not so wrong :-)


107
PreenFM2 / Re: Thoughts about operator tuning
« on: August 12, 2017, 01:06:10 AM »
this is an old topic, but i would like to see this implemented as well!

108
PreenFM2 / Re: Screen problem
« on: August 11, 2017, 02:01:50 PM »
if you have it opened, i would also check if the mod to remove the high pitched noise is already done. it's an easy thing to do, and in my case it made the screen garbling with MacBook air disappear because the oled used now a little less current.


109
PreenFM2 / Re: Screen problem
« on: August 10, 2017, 09:52:49 PM »
how do you power it? from usb or wall wart? i had issues with some usb connectors on my MacBook air not outputting enough current. this gave me a garbled oled output as well.


110
PreenFM2 / 2 filters in parallel
« on: August 08, 2017, 11:18:05 PM »
hi xavier,

would it be possible (codesizewise) to have two filters in parallel (not serial) at the output stage? the second one could just be fixed to bandpass mode. if you set first filter to lowpass and second to bandpass you can get formant vowel sounds, which work well with fm sounds.

111
PreenFM2 / Re: Screen problem
« on: August 05, 2017, 02:36:22 PM »
does the synth still produce sound, work as expected (apart from the display issue)?

maybe one of the display solderpoints has come loose. did you solder the synth yourself?
was there some heavy vibration from your jam going on?

just some ideas.

you can also attach a photo of the display here, it might help to identify the issue.

112
PreenFM2 / Re: midi channel for combo program change
« on: August 04, 2017, 05:36:21 PM »
yeah, it's main use case is to make the preenfm compatible with more modern midi instruments, like the linnstrument etc. these use the new mpe midi standard where general modulation is sent on channel one and channel 2-16 are used for the voices (notes) and specific modulation.

check here: http://expressiveness.org/2015/04/24/midi-specifications-for-multidimensional-polyphonic-expression-mpe

113
PreenFM2 / Re: midi channel for combo program change
« on: July 31, 2017, 10:00:03 PM »
 thanks. i finished it all and it works nicely! i tried to push it to my custom preenfm2 firmware git, but i did not suceed. find attached the changed files, in case you want to include that feature...

114
PreenFM2 / Re: midi channel for combo program change
« on: July 27, 2017, 05:17:03 PM »
ok i will attempt this myself, seems straightforward. i already have a version with hardcoded midichannel 1 for general modulation.

xavier, can you tell me where in the code i find the global menu? so i can try and add the value there.

115
PreenFM2 / midi channel for combo program change
« on: July 27, 2017, 12:02:21 AM »
what is the midi channel for program change?

what is the midi channel to change a combo program?

 is it just the first midi channel set in the menu?

it would be great if there was a global midi channel setting, that can receive program change and is independent from the settings of the instruments. (so for example instruments set to channel 2 to 5 and global midi channel 1)

also to think things further, it would be great if general cc messages could also arrive on the global channel and be spread to the four instruments. (for example, breath control on channel 1 would be applied to all 4 instruments)

this would decrease the midi messages you have to send and would also comply somewhat with the new mpe midi standard.


116
PreenFM2 / Re: possibility of obtaining a new pcb? or schematic?
« on: April 10, 2017, 11:17:25 AM »
actually it was xavier (as usual) that posted the right schematic. i was just doing stupid copying of a GitHub link. :-)

117
PreenFM2 / Re: possibility of obtaining a new pcb? or schematic?
« on: April 08, 2017, 08:09:36 PM »
haha true, sorry!!

118
PreenFM2 / Re: possibility of obtaining a new pcb? or schematic?
« on: April 07, 2017, 04:28:36 PM »
schematic is here:

https://github.com/Ixox/preenfm2/tree/master/hardware/preenF405

yeah, jumpers should be possible.

119
PreenFM2 / Re: preenFM is going to Eurorack
« on: February 15, 2017, 09:57:12 PM »
xavier i get this when i try to compile the adc branch:

build/PreenFM_irq.o: In function `TIM2_IRQHandler':
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_irq.c:236: undefined reference to `TIM_ClearITPendingBit'
build/PreenFM_init.o: In function `ADC_Config()':
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:137: undefined reference to `TIM_TimeBaseStructInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:144: undefined reference to `TIM_TimeBaseInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:145: undefined reference to `TIM_SelectOutputTrigger'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:146: undefined reference to `TIM_ITConfig'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:167: undefined reference to `DMA_StructInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:186: undefined reference to `DMA_Init'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:187: undefined reference to `DMA_Cmd'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:190: undefined reference to `ADC_StructInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:191: undefined reference to `ADC_CommonStructInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:194: undefined reference to `ADC_Cmd'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:195: undefined reference to `ADC_DeInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:205: undefined reference to `ADC_CommonInit'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:215: undefined reference to `ADC_Init'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:219: undefined reference to `ADC_RegularChannelConfig'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:220: undefined reference to `ADC_RegularChannelConfig'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:221: undefined reference to `ADC_RegularChannelConfig'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:222: undefined reference to `ADC_RegularChannelConfig'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:225: undefined reference to `ADC_DMARequestAfterLastTransferCmd'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:228: undefined reference to `ADC_DMACmd'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:231: undefined reference to `ADC_Cmd'
/home/lokki/Downloads/preenfm2-adcIn/src/PreenFM_init.c:234: undefined reference to `TIM_Cmd'
collect2: error: ld returned 1 exit status
Makefile:247: recipe for target 'build/p2_2.06o.elf' failed

120
PreenFM2 / Re: preenFM is going to Eurorack
« on: February 15, 2017, 09:46:29 PM »
i can compile the firmware for you if no one else does :-)

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