Hi Tomas
discussion moved to the new forum. Hope to see you there.
however :
yes, pro tools- if you want to compete with the pros, then you got to
use the pro tools.
if codec2, freeDV etc wants to compete for head space with the japanese
radios and the speech codec chip owners, that's the only way.
it's not going to compete by putting a radio in a showbox when pro tools
put it in a matchbox !
frankly, as a pro, I dont have time to F*** around with Kicads
defficiencies , compared to the $10,000 altium tools.
and I dont have time to F**k around with child grade FPGA simulators
compared with my $10,000 Modelsim. *
Now having said that :
1) Altium ha a free Viewer, and can export to several PCB programs.
2) The reduced feature MODELSIM version supplied with the Xilinx tools
is EXCELLENT - and pretty good speed on a modern PC.
3) The Xilinx tools are FREE . Like VIVADO.
:-) glen
On 22/07/2020 22:26, Tomas Härdin wrote:
sön 2020-07-19 klockan 09:25 +1000 skrev glen english:
I am designing an SM3000, and now is the time for input from users.
(input request below)
[...]
I have chosen the Xilinx Zynq XC7007S hybrid CortexA9 / FPGA . The
single core will give us 7x the computational power of the STM32F4 , and
that is before we use the NEON instruction unit. The FPGA has 1.8Mb of
variable aspect dual port block RAMs and 66 DSP units that will run at
350 MHz if pipelined. The use of LPDDR2 will enable high power saving
options.
So anyone wanting to develop or modify the SM3000 would need to install
two pieces of proprietary software with considerable strings attached?
Those being Vivado and Altium. This is unfortunate for an otherwise
libre project. Especially since KiCAD, yosys and nextpnr exist.
What I want to achieve is a instant on, plug and play solution with
digital radio /front panel upgrade path.
In the spirit of the SM1000. Turn on and it is ready 1 second later
.
Just load the image and no more to do.
This is the way to drive uptake and broad usage.
and no issues like Pi SD card corruptions when it gets power pulled.
Both boot time and SD card issues should be possible to mitigate by
picking a more appropriate distro than NOOBS, and appropriate boot
flags (-o ro). The real problems with the Pi is the blobs and the NDAs.
That's all the feedback I had for now.
/Tomas
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Glen English
RF Communications and Electronics Engineer
CORTEX RF
&
Pacific Media Technologies Pty Ltd
ABN 40 075 532 008
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