electrodancer Posted February 13, 2015 Report Share Posted February 13, 2015 Hello there in the past ive always uploaded the hex with midi,...but i notice it does not work with the new stm32F4 core. Also after uploading the bootloader with the stm software...it does not show up in the mios midi terminal. whats have i done wrong? cheers, Vincent Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 13, 2015 Author Report Share Posted February 13, 2015 and what is the "legacy usb driver" ?? (im running everything from a laptop and have no usb soundcard) Quote Link to comment Share on other sites More sharing options...
Marxon Posted February 13, 2015 Report Share Posted February 13, 2015 So you successfully uploaded the MIOS32 bootloader app to your STM? After flashing you have to use the STM Micro USB port instead the Mini USB port, maybe you missed that? Best regards Marxon Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 13, 2015 Author Report Share Posted February 13, 2015 yess i have done that and after this you a supposed to connect the seccond usb cable...when i do that notthing happens ...and in mios i can not select it thank you for helping cheers Vincent Quote Link to comment Share on other sites More sharing options...
mono Posted February 13, 2015 Report Share Posted February 13, 2015 electrodancer, looks like a driver issue to me. try re-installing the correct version and then it should connect. if it doesnt, the problem is on your side...;-) regards, mOnO Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 13, 2015 Author Report Share Posted February 13, 2015 yes i was thinking that too....but already installed the driver...and nothing maybe i have the wrong driver...could someone point me in the right direction ? Quote Link to comment Share on other sites More sharing options...
mono Posted February 13, 2015 Report Share Posted February 13, 2015 http://ucapps.de/mios32_download.html under "drivers" you can find the windows-drivers for mios32. make sure to pick the right one for you os. if it still doesnt work try uninstalling and re-installing... regards, mOnO Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 14, 2015 Author Report Share Posted February 14, 2015 i tried that driver (also uninstalled it and reinstald again) but keep geting the message instalation failed ! Quote Link to comment Share on other sites More sharing options...
Marxon Posted February 14, 2015 Report Share Posted February 14, 2015 (edited) You dont need to install a driver. The driver you downloaded is the GM5 driver and in the description is also written that the STM is not supported . You can use it as alternative to the legacy ("onboard") driver for other cores. After you connect the Core Module, wait until your operating system has found the interface, the driver will be installed automatically. Look in your device manager if some new hardware (usb audio device) is detected. If nothing happens then there is something wrong. Edited February 14, 2015 by Marxon Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 14, 2015 Author Report Share Posted February 14, 2015 Thanks for your help everybody might have discovered the problem...the board ive got is a STM32F401C-DISCO and needs to be STM32F407....(they look so much the same) if anybody can think of a workaround ..so i can still use the board....il be eternally grateful to you cheers Vince Quote Link to comment Share on other sites More sharing options...
Marxon Posted February 14, 2015 Report Share Posted February 14, 2015 Welcome to the Club. :rolleyes: Somehow i received a wrong wrong board too. Same name, but another version. Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 14, 2015 Author Report Share Posted February 14, 2015 im glad to hear im not the only one......they look so much alike ! is it possible to only change the processor ic ?....if this is possible i can order only the prosessor instead of a whole board Quote Link to comment Share on other sites More sharing options...
Marxon Posted February 14, 2015 Report Share Posted February 14, 2015 Sorry there is no possibility. It was discussed in past: The STM32F401 is very limited, most major applications (such as MBNG, MBSEQ) wouldn't fit into the small flash memory. However, before you throw it away, you could send it to me so that I can provide (and test) a MIOS32 variant for this chip for the case that somebody want's to use it for less complex applications like MIDIO128 Best Regards, Thorsten. Where did you ordered your board? Can you send a link? Quote Link to comment Share on other sites More sharing options...
mono Posted February 14, 2015 Report Share Posted February 14, 2015 hi marxon, is the gm5 driver for the lpc-board, if its not needed for the stm32 ? mOnO Quote Link to comment Share on other sites More sharing options...
Marxon Posted February 14, 2015 Report Share Posted February 14, 2015 As said the STM is not supported but it is recommended for other cores running MIOS32 applications (including the LPC) because it has a higher robustness of SysEx transfers and better a performance then the windows legacy driver. The GM5 driver also gives multi client capabilities. Quote Link to comment Share on other sites More sharing options...
mono Posted February 14, 2015 Report Share Posted February 14, 2015 thanks for advising me. regards, m0n0 Quote Link to comment Share on other sites More sharing options...
electrodancer Posted February 15, 2015 Author Report Share Posted February 15, 2015 i got my board from Farnell Quote Link to comment Share on other sites More sharing options...
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