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added horizontal trunk route edit to vertical trunk route

This commit is contained in:
Joey Kunzler 2020-05-05 12:18:26 -07:00
parent 1b6634bb97
commit 91dbbed9ba
1 changed files with 12 additions and 1 deletions
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13
compiler/base/hierarchy_layout.py
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@ -955,6 +955,9 @@ class layout():
max_y = max([pin.center().y for pin in pins])
min_y = min([pin.center().y for pin in pins])
max_y_uc = max([pin.uc().y for pin in pins])
min_y_bc = min([pin.bc().y for pin in pins])
# if we are less than a pitch, just create a non-preferred layer jog
if max_y - min_y <= pitch:
@ -978,7 +981,15 @@ class layout():
# Route each pin to the trunk
for pin in pins:
mid = vector(trunk_offset.x, pin.center().y)
# If there is sufficient space, Route from the edge of the pins
# Otherwise, route from the center of the pins
if max_y_uc - min_y_bc > pitch:
if pin.center().y == max_y:
mid = vector(trunk_offset.x, pin.bc().y)
else:
mid = vector(trunk_offset.x, pin.uc().y)
else:
mid = vector(trunk_offset.x, pin.center().y)
self.add_path(self.horizontal_layer, [pin.center(), mid])
self.add_via_center(layers=layer_stack,
offset=mid)