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ADuCM350 is a Cortex-M3 ? what gcc support is missing ?If at all possible, the gcc-arm route is preferable.are there weird extensions ? Is it just the SDK for the hardware accelerated DFT that is missing ? (ie it is a driver problem?)I have done bringup of this kind of hw; and might be interested in helping out if I can.-Tim
On Tue, Jan 2, 2018 at 12:56 PM, 'Bionerd42' via OpenBiomedicalImaging <openbiomedicalimaging@googlegroups.com> wrote:
Hi all,there seems to be a way to migrate the PCB design to a tool that is actually free software.The next step is the firmware.According toSOFTWARE EQUIPMENT NEEDEDIAR Embedded Workbench for ARM (from Version 7.10+)ADuCM350 software development kit (SDK)which, according tohttp://www.mouser.com/catalog/catalogusd/645/2360.pdfcosts somewhere between $3000 and $6000.Does anyone have any idea how to tinker with the firmware ... reliably ... with a less prohibitive price tag?There seems to have been some attempt to use GCC for the ADuCM350:https://ez.analog.com/thread/72704,
but getting that to work might be more difficult than modifying actual firmware.
42Sent with ProtonMail Secure Email.
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-------- Original Message --------Subject: Re: Firmware toolchain for less than €3000?
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It maybe possible, the body being like a big resistor network/voltage divider. I wonder if there are papers detailing this idea out there?The main thing I'd think about would be timing, if you send out a 50khz signal from a single point, you'd need something more like an EEG system on the other side to receive all signals at all other electrode locations at once. So you would still have the number of electrodes to cycle through. If you stimulated from all electrodes at once, it'd be impossible to also receive at the same time.
On Mon, Jan 8, 2018 at 10:25 AM, <ope...@der-user.de> wrote:
Hi,
I was wondering if it would be possible to do all the measurements at
the same time.
As far as I understand the electrical current has to go back where it
came from (it's a circuit, after all). So if there are several
galvanically isolated(!) power sources (i.e. using transformers) it
could be possible to do all the measurements at the same time without
mutual disturbance.
I'm no EE, so what do you think? Is it possible? Do I miss a major
point? Are the interferences transmitted on the EM-field, especially as
we are using AC for the measurement?
bye
Markus
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