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Migrate all applets to the generic clock/strobe generator #113

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whitequark opened this issue Mar 12, 2019 · 1 comment
Open
3 of 12 tasks

Migrate all applets to the generic clock/strobe generator #113

whitequark opened this issue Mar 12, 2019 · 1 comment
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applet Component: applet

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@whitequark
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whitequark commented Mar 12, 2019 •
edited

This includes applets:

  • audio-dac
  • audio-yamaha-opl
  • debug-arm-swd
  • display-hd44780
  • display-pdi
  • i2c-master
  • jtag-probe
  • spi-master
  • memory-floppy
  • program-avr-spi
  • uart
  • video-rgb-input

Important note: when the applet includes an FSM, it's necessary to adjust min_cyc to account for the maximum amount of FSM states, such that a strobe is never missed. This is pretty much the only tricky part of this.
@whitequark whitequark added the applet Component: applet label Mar 12, 2019
@whitequark
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It can actually be quite annoying to do this, and it's less relevant with the SERDES+sideband design I would like to move towards. So I think perhaps it's only warranted to migrate to applet.derive_clock but not necessarily to the clock generator.

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