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| author | David Shah <davey1576@gmail.com> | 2019-04-19 17:40:55 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-19 17:40:55 +0100 |
| commit | 5344bc3b65f4e06f983db781e9a82d30b3f1512b (patch) | |
| tree | 5f794074ccc963a9dbf756558e34a8eba0d5fa26 /generic/examples/simple_timing.py | |
| parent | 0be844e6a8d0a36a50815ec5331fd7480dd20db6 (diff) | |
| parent | 87a24460813b9f52189323352554a1c352836ee2 (diff) | |
| download | nextpnr-5344bc3b65f4e06f983db781e9a82d30b3f1512b.tar.gz nextpnr-5344bc3b65f4e06f983db781e9a82d30b3f1512b.tar.bz2 nextpnr-5344bc3b65f4e06f983db781e9a82d30b3f1512b.zip | |
Merge pull request #261 from YosysHQ/pygeneric
Python API for generic architecture
Diffstat (limited to 'generic/examples/simple_timing.py')
| -rw-r--r-- | generic/examples/simple_timing.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/generic/examples/simple_timing.py b/generic/examples/simple_timing.py new file mode 100644 index 00000000..a955c8d7 --- /dev/null +++ b/generic/examples/simple_timing.py @@ -0,0 +1,15 @@ +for cname, cell in ctx.cells: + if cell.type != "GENERIC_SLICE": + continue + if cname in ("$PACKER_GND", "$PACKER_VCC"): + continue + K = int(cell.params["K"]) + if cell.params["FF_USED"] == "1": + ctx.addCellTimingClock(cell=cname, port="CLK") + for i in range(K): + ctx.addCellTimingSetupHold(cell=cname, port="I[%d]" % i, clock="CLK", + setup=ctx.getDelayFromNS(0.2), hold=ctx.getDelayFromNS(0)) + ctx.addCellTimingClockToOut(cell=cname, port="Q", clock="CLK", clktoq=ctx.getDelayFromNS(0.2)) + else: + for i in range(K): + ctx.addCellTimingDelay(cell=cname, fromPort="I[%d]" % i, toPort="Q", delay=ctx.getDelayFromNS(0.2))
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