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prod/doc: some initial test process documentation (still very incomplete)
This commit is contained in:
Werner Almesberger
parent
601d1bf173
commit
d0ab9d92c2
14
prod/doc/Makefile
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14
prod/doc/Makefile
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@ -0,0 +1,14 @@
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PNGS=flow.png setup-A.png setup-B.png setup-C.png setup-D.png
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all: $(PNGS)
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flow.png: flow.fig
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fig2dev -L png -m 0.7 -S 4 $< $@ || { rm -f $@; exit 1; }
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setup-%.png: setup.fig
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./figfilt `echo $@ | tr -cd 'A-Z'` $< | \
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fig2dev -L png -m 0.7 -S 4 >$@ || \
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{ rm -f $@; exit 1; }
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clean:
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rm -f $(PNGS)
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173
prod/doc/flow.fig
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173
prod/doc/flow.fig
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@ -0,0 +1,173 @@
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#FIG 3.2 Produced by xfig version 3.2.5b
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Landscape
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Center
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Metric
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A4
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100.00
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Single
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-2
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1200 2
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6 2205 2205 4545 3195
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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2250 2250 4500 2250 4500 3150 2250 3150 2250 2250
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2385 2250 2385 3150
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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4365 2250 4365 3150
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-6
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6 2205 5355 4545 6345
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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2250 5400 4500 5400 4500 6300 2250 6300 2250 5400
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2385 5400 2385 6300
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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4365 5400 4365 6300
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-6
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6 2205 630 4545 1620
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5 1 0 3 0 7 50 -1 -1 0.000 0 1 0 0 2700.000 1125.000 2700 675 2250 1125 2700 1575
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5 1 0 3 0 7 50 -1 -1 0.000 0 0 0 0 4050.000 1125.000 4050 675 4500 1125 4050 1575
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2700 675 4050 675
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2700 1575 4050 1575
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-6
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6 2205 8505 4545 9495
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5 1 0 3 0 7 50 -1 -1 0.000 0 1 0 0 2700.000 9000.000 2700 8550 2250 9000 2700 9450
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5 1 0 3 0 7 50 -1 -1 0.000 0 0 0 0 4050.000 9000.000 4050 8550 4500 9000 4050 9450
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2700 8550 4050 8550
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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2700 9450 4050 9450
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-6
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6 5805 6930 8145 7920
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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5850 6975 8100 6975 8100 7875 5850 7875 5850 6975
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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5985 6975 5985 7875
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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7965 6975 7965 7875
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-6
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6 5805 5355 8145 6345
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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5850 5400 8100 5400 8100 6300 5850 6300 5850 5400
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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5985 5400 5985 6300
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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7965 5400 7965 6300
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-6
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6 5805 2205 8145 3195
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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5850 2250 8100 2250 8100 3150 5850 3150 5850 2250
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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5985 2250 5985 3150
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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7965 2250 7965 3150
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-6
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6 5805 3780 8145 4770
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
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5850 3825 8100 3825 8100 4725 5850 4725 5850 3825
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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5985 3825 5985 4725
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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7965 3825 7965 4725
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-6
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6 11205 8505 13545 9495
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5 1 0 3 0 7 50 -1 -1 0.000 0 1 0 0 11700.000 9000.000 11700 8550 11250 9000 11700 9450
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5 1 0 3 0 7 50 -1 -1 0.000 0 0 0 0 13050.000 9000.000 13050 8550 13500 9000 13050 9450
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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11700 8550 13050 8550
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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11700 9450 13050 9450
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-6
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2 3 0 3 0 7 50 -1 -1 0.000 1 0 -1 0 0 5
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3375 3825 2250 4275 3375 4725 4500 4275 3375 3825
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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3375 6300 3375 6975
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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3375 7875 3375 8550
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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4500 7425 5850 7425
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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8100 7425 9450 7425
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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5850 5850 4500 5850
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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3375 4725 3375 5400
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 3
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1 1 2.00 120.00 120.00
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10575 6975 10575 5850 8100 5850
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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3375 3150 3375 3825
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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3375 1575 3375 2250
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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8775 7425 8775 5895
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2 3 0 3 0 7 50 -1 -1 0.000 1 0 -1 0 0 5
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10575 3825 9450 4275 10575 4725 11700 4275 10575 3825
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 3
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1 1 2.00 120.00 120.00
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10575 3825 10575 2700 8100 2700
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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5850 2700 4500 2700
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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8100 4275 9450 4275
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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8775 2655 8775 1350
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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9225 2700 9225 1350
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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8775 5805 8775 4320
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
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8775 4230 8775 2745
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2 3 0 3 0 7 50 -1 -1 0.000 1 0 -1 0 0 5
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10575 6975 9450 7425 10575 7875 11700 7425 10575 6975
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 3
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1 1 2.00 120.00 120.00
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11700 7425 12375 7425 12375 8550
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 3
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1 1 2.00 120.00 120.00
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11700 4275 12375 4275 12375 7425
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
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1 1 2.00 120.00 120.00
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4500 4275 5850 4275
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2 3 0 3 0 7 50 -1 -1 0.000 1 0 -1 0 0 5
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3375 6975 2250 7425 3375 7875 4500 7425 3375 6975
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2 2 0 4 4 7 55 -1 -1 0.000 0 0 -1 0 0 5
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1800 1935 12825 1935 12825 5130 1800 5130 1800 1935
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4 1 0 50 -1 18 18 0.0000 4 210 1395 3375 1215 From SMT\001
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4 1 0 50 -1 18 18 0.0000 4 210 750 3375 2655 Flash\001
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4 1 0 50 -1 18 18 0.0000 4 210 1200 3375 2970 firmware\001
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4 1 0 50 -1 18 18 0.0000 4 210 1410 3375 4365 Success ?\001
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4 1 0 50 -1 18 18 0.0000 4 210 915 3375 7515 Pass ?\001
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4 1 0 50 -1 18 18 0.0000 4 270 1095 6975 7515 Analyze\001
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4 2 0 50 -1 18 18 0.0000 4 270 1425 1665 3690 atusb only\001
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4 1 0 50 -1 18 18 0.0000 4 270 900 6975 5940 Repair\001
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4 1 0 50 -1 18 18 0.0000 4 210 2370 8775 1215 Feedback to SMT\001
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4 1 0 50 -1 18 18 0.0000 4 270 975 3375 9090 Accept\001
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4 1 0 50 -1 18 18 0.0000 4 210 1425 3375 5805 Functional\001
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4 1 0 50 -1 18 18 0.0000 4 195 510 3375 6120 test\001
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4 1 0 50 -1 18 18 0.0000 4 270 1095 6975 4365 Analyze\001
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4 1 0 50 -1 18 18 0.0000 4 270 900 6975 2790 Repair\001
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4 1 0 50 -1 18 18 0.0000 4 210 1230 10575 4365 Fixable ?\001
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4 1 0 50 -1 18 18 0.0000 4 210 1890 12375 9090 Discard/Defer\001
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4 1 0 50 -1 18 18 0.0000 4 210 1230 10575 7515 Fixable ?\001
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4 0 0 50 -1 18 18 0.0000 4 210 390 11700 4185 No\001
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4 0 0 50 -1 18 18 0.0000 4 210 390 11700 7335 No\001
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4 0 0 50 -1 18 18 0.0000 4 210 390 4500 4185 No\001
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4 0 0 50 -1 18 18 0.0000 4 210 390 4500 7335 No\001
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4 2 0 50 -1 18 18 0.0000 4 210 525 3240 4995 Yes\001
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4 2 0 50 -1 18 18 0.0000 4 210 525 3240 8145 Yes\001
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4 2 0 50 -1 18 18 0.0000 4 210 525 10440 6885 Yes\001
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4 2 0 50 -1 18 18 0.0000 4 210 525 10440 3735 Yes\001
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125
prod/doc/index.html
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125
prod/doc/index.html
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<TITLE>Production and testing</TITLE>
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<BODY>
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<HTML>
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<H1>Production and testing</H1>
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This document gives a high-level description of the production test process
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for <B>atben</B> and <B>atusb</B> boards, plus - in the case of <B>atusb</B>
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the production steps required between the boards leaving the SMT line and the
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actual testing.
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<P>
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The testing serves two purposes:
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<OL>
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<LI>Ascertain the correctness of the preceding production steps, and
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<LI>identify suffering from random production flaws and either discard
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them or prepare them for repair.
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</OL>
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The results of testing and fault analysis also provide feedback for the
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SMT process and steps preceding it.
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<P>
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The following diagram illustrates the workflow:
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<P>
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<IMG src="flow.png">
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<P>
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Only <B>atusb</B> boards contain firmware and need flashing (which is
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a two-step process, see below). The functional tests and further fault
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analysis are largely the same for <B>atben</B> and <B>atusb</B>.
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<P>
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Devices accepted for further use can then be packaged for shipping.
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Defective devices can be discarded or retained for a deeper analysis.
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<H2>Terminology</H2>
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<DL>
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<DT>Ben</DT>
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<DD>a device capable of hosting the <B>atben</B> and <B>atusb-pgm</B>
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boards. In the production process, a Ben can perform three different
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roles:
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<OL>
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<LI> Host an <B>atben</B> board acting as DUT
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<LI> Host an <B>atben</B> board acting as reference
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<LI> Host an <B>atusb-pgm</B> used for flashing the boot loader
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</OL>
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In this document, we assume that a single Ben is used in all
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three roles, with the board in its 8:10 card slot changed as
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the role requires.
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<DT>PC</DT>
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<DD>a device capable of connecting to a Ben via USB, and of hosting an
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<B>atusb</B> board. In the production process, a PC can perform three
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different roles:
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<OL>
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<LI> Host an <B>atusb</B> board acting as DUT
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<LI> Host an <B>atusb</B> board acting as reference
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<LI> Control a Ben via USB (for convenience)
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</OL>
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In this document, we assume that a single PC is used in all
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three roles, with one USB host port permanently connecting to the
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Ben, and a second USB host port populated with <B>atusb</B> boards
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as needed.
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<DT>DUT</DT>
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<DD>Device Under Test. An <B>atben</B> or <B>atusb</B> board that
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has left SMT, and is being prepared for testing or in the process
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of being tested.
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<DT>Reference</DT>
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<DD>An <B>atben</B> or <B>atusb</B> device that is known to work and
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and that acts as a peer for RF communication with the DUT.
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<DT>SMT</DT>
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<DD>In this context, the actual process of soldering components to
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the unpopulated PCB, and all related tasks providing an input to
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this process. Such related tasks include the configuration of the
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SMT line, and testing and conditioning of the components to solder.
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</DL>
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<H2>Setup</H2>
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<H3>PC software installation</H3>
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<H3>Ben software installation</H3>
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<H3>Ben software setup</H3>
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<H3>Test profiles</H3>
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<H2>Flashing (atusb only)<H2>
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<H3>Flashing the boot loader</H3>
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<P>
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<IMG src="setup-C.png">
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<P>
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<H3>Flashing the application</H3>
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<P>
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<IMG src="setup-D.png">
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<P>
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<H2>Functional test</H2>
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<H3>Test setup for atben</H3>
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<P>
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<IMG src="setup-A.png">
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<P>
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<H3>Test setup for atusb</H3>
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<P>
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<IMG src="setup-B.png">
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<P>
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<H3>Test procedure</H3>
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<H2>Fault analysis</H2>
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<H3>Component orientation</H3>
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<H3>Clock frequency</H3>
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<P>
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<HR>
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Last update: 2011-05-17 <I>Werner Almesberger</I>
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<HR>
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</BODY>
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</HTML>
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59
prod/doc/setup.fig
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59
prod/doc/setup.fig
Normal file
@ -0,0 +1,59 @@
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#FIG 3.2 Produced by xfig version 3.2.5b
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Landscape
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Center
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Metric
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A4
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100.00
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Single
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-2
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1200 2
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2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
|
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3600 6300 4950 6300 4950 6975 3600 6975 3600 6300
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2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 4
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3600 6300 3825 5850 5175 5850 4950 6300
|
||||
# A
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2 3 0 1 4 4 60 -1 20 0.000 0 0 -1 0 0 7
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||||
4050 3960 3915 3960 3915 3690 4005 3690 4005 3870 4050 3870
|
||||
4050 3960
|
||||
# A
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||||
2 2 0 1 13 13 60 -1 20 0.000 0 0 -1 0 0 5
|
||||
3600 6570 3330 6570 3330 6435 3600 6435 3600 6570
|
||||
# B
|
||||
2 3 0 1 13 13 70 -1 20 0.000 0 0 -1 0 0 7
|
||||
4050 3960 3915 3960 3915 3690 4005 3690 4005 3870 4050 3870
|
||||
4050 3960
|
||||
# BD
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||||
2 2 0 1 4 4 70 -1 20 0.000 0 0 -1 0 0 5
|
||||
3600 6570 3330 6570 3330 6435 3600 6435 3600 6570
|
||||
# C
|
||||
2 3 0 1 11 11 80 -1 20 0.000 0 0 -1 0 0 6
|
||||
3600 3825 3330 3825 3330 3870 3375 3915 3600 3915 3600 3825
|
||||
# C
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||||
2 2 0 1 4 4 80 -1 20 0.000 0 0 -1 0 0 5
|
||||
3015 4365 2745 4365 2745 4230 3015 4230 3015 4365
|
||||
# ABC
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||||
2 2 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
|
||||
4050 3600 4725 3600 4725 4050 4050 4050 4050 3600
|
||||
# ABC
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||||
3 2 0 3 1 7 55 -1 -1 0.000 0 0 0 5
|
||||
4950 6525 5355 6210 5310 5265 5265 4095 4725 3690
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||||
0.000 -1.000 -1.000 -1.000 0.000
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||||
# C
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||||
3 2 0 3 1 7 85 -1 -1 0.000 0 0 0 3
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||||
4050 3915 3825 3915 3600 3870
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||||
0.000 -1.000 0.000
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# A
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4 2 0 60 -1 18 18 0.0000 4 270 1635 3780 3915 atben (DUT)\001
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# A
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4 2 0 60 -1 18 18 0.0000 4 270 1425 3150 6615 atusb (ref)\001
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||||
4 1 0 50 -1 18 18 0.0000 4 210 405 4275 6750 PC\001
|
||||
# B
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||||
4 2 0 70 -1 18 18 0.0000 4 270 1425 3780 3915 atben (ref)\001
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||||
# BD
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||||
4 2 0 70 -1 18 18 0.0000 4 270 1635 3150 6615 atusb (DUT)\001
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||||
# C
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||||
4 2 0 80 -1 18 18 0.0000 4 270 1470 3915 3690 atusb-pgm\001
|
||||
# C
|
||||
4 2 0 80 -1 18 18 0.0000 4 270 1635 3960 4680 atusb (DUT)\001
|
||||
# ABC
|
||||
4 1 0 50 -1 18 18 0.0000 4 210 540 4365 3915 Ben\001
|
||||
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