DSO203 GCC APP - Community Edition (2.51+SmTech1.8+Fixes)

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pmos69
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by pmos69 » Thu Mar 08, 2012 6:56 am

Code: Select all

v1.16
- Replaced Hanning window lookup table with function (memory optimization)
https://github.com/pmos69/dso203_gcc/zipball/master
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glt
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by glt » Sat Mar 10, 2012 12:54 am

Is there a hex file to download or do we need to compile ourselves?

elfe111
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by elfe111 » Sat Mar 10, 2012 1:36 am

The needed hex (APP_G251.hex) is in the Bin directiry

What a great firts post from me ;) - but if it helps!

pmos69
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by pmos69 » Sat Mar 10, 2012 10:52 am

Code: Select all

v1.17

- Complete FFT re-implementation: (still has bugs)
		- FFT assembly routines replaced with "no nonsense" integer C code
		- All calculations made in-place (half the memory used)
		- Now using 512 samples (256 buckets)
		- FFT range boundary painted in blue
- Project cleanup (code size reduction)
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Jerson
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by Jerson » Sat Mar 10, 2012 7:18 pm

This time it looks and operates fine.

pmos69
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by pmos69 » Sat Mar 10, 2012 9:21 pm

Jerson wrote:This time it looks and operates fine.
I hope so. My head hurts from all this math :)
At least it's better, and still has room for further optimizations.
Just wanted to release it once I got it working.
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chip
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by chip » Sat Mar 10, 2012 11:20 pm

pmos69 wrote:
Jerson wrote:This time it looks and operates fine.
I hope so. My head hurts from all this math :)
At least it's better, and still has room for further optimizations.
Just wanted to release it once I got it working.
Yes, so much better.
image for comparison

pmos69
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by pmos69 » Sun Mar 11, 2012 2:26 am

chip wrote:
pmos69 wrote:
Jerson wrote:This time it looks and operates fine.
I hope so. My head hurts from all this math :)
At least it's better, and still has room for further optimizations.
Just wanted to release it once I got it working.
Yes, so much better.
image for comparison
:)
Wow, seems like I got the scaling right also.
Thanks.
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marcosin
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by marcosin » Mon Mar 12, 2012 4:06 am

Great pmos69 !

chip
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Re: DSO Quad GCC port (2.51+SmTech1.8+Fixes)

Post by chip » Mon Mar 12, 2012 5:07 am

and where you hid the constant component of the signal? in DC mode

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