71f08bdf15
Add CRC generation for sd card
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Works great according to the testbench
2025-06-06 18:13:14 -07:00
35cb264b26
Its working! Demo commit
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We have something at least, audio is working and sounding dang good
2025-06-06 01:06:20 -07:00
7980424dc8
Lots of changes, trying to get ROM working
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I think I did some funny math errors so new goal is 8-bit pcm
2025-06-05 18:48:53 -07:00
02e2d77640
header for rom_sd.sv
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2025-06-04 14:34:49 -07:00
1beb6cbf5c
Implement rom_sd state machine
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2025-06-04 13:17:36 -07:00
89558d8313
More fixup on rom_sd
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2025-06-03 22:36:57 -07:00
2387fdbe3b
Fixup on rom_sd flowchart
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2025-06-03 22:36:01 -07:00
b9b6be7cbe
Typo fixup
2025-06-02 17:47:35 -07:00
636b375c48
added headers/ updated old ones
2025-06-02 17:36:27 -07:00
dff929de84
Initial work on rom_sd
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This module needs way reworked to just be a state machine. I was trying
to get way too tricky with it so I went back to the drawing board and
made a state machine diagram for it. The diagram is included with this
commit. I also moved the current collection of documentation to a doc/
folder, and added a second-long audio rom to test everything out once
the rom_sd is working.
2025-06-02 14:02:50 -07:00
a50efdc6c6
Fixed up debouncer and added some assertions
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I moved around where packages are. I couldn't find any evidence of where
other people put them, but for now they are in the `lib/` folder. Other
infrastructure changes are that all the weird includes we need to make
the linter happy are gated behind ifdefs, so they don't mess with
vivado.
I kinda can't believe concurrent assertions work because there's so
little info about them, good to ssee they actually do something
2025-05-30 13:56:52 -07:00
d4bedd06ce
added pwn.sv
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added x16 fast forward speed to playback_controller.sv
corrected dates on pwn.sv, playback_controller.sv, display_converter.sv,
and seconds_display.sv
2025-05-29 14:48:46 -07:00
100c8017cc
Added audio buffer
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It should be working reasonably well at this point
2025-05-28 19:23:17 -07:00
927437e12c
Fixup to get main demo working
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This adds some unnecessary stuff into the debug core that I used to
troubleshoot. There are like 5 bugfixes here. Especially of note is the
low freq clock gen, I was trying to use modulo like you would do in a
computer program but it was too slow, so I had to move the logic around
a bunch.
2025-05-26 22:52:14 -07:00
ec6ce08b21
Add stubbed out pwm implementation
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2025-05-22 20:26:29 -07:00
3f626074f9
Added playback controller and testbench
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2025-05-22 20:06:31 -07:00
18aab51325
Add debouncer TB and fixup on debouncer
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2025-05-19 16:13:35 -07:00
3b30a32045
Moved 7 segment display logic to subdirectory
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Also fixed up the one type I found in the seconds display
2025-05-19 15:48:05 -07:00
15509fa27a
Fixup merge
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2025-05-19 15:26:01 -07:00
89a9c5a60c
Merge branch 'wcude'
2025-05-19 15:22:32 -07:00
2fde75a330
Added a in-progress top file
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Some of this stuff should get split out into 7-segment logic probably,
having logic in the top file seems like a bad call
2025-05-19 15:21:53 -07:00
4b041651d4
added seven segment display logic / seconds counter
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2025-05-17 20:38:52 -07:00
34d62a197f
Add some stubbed out modules for the first bit
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Hopefully theses are right ...
2025-05-16 17:58:25 -07:00
831e588986
Add vivado project
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ci/woodpecker/push/test-workflow Pipeline was successful
Hopefully this is enough of the project files for this to work ...
2025-05-16 17:16:08 -07:00
bd7286a858
Initial commit
2025-05-06 13:46:53 -07:00
