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authorjaseg <git@jaseg.de>2022-06-20 11:38:12 +0200
committerjaseg <git@jaseg.de>2022-06-20 11:38:12 +0200
commit4636383ffc221fb8baf2e4701843ebb218ec6c23 (patch)
tree0b3e805afc81f6ccc5c47b8fba998f4f3b492bf5 /gerbolyze
parentc1cda48a4ccd8b272b2af9ed1f51d0fb2aa63c51 (diff)
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protoboard: Add support for two-layer SMD layouts
Diffstat (limited to 'gerbolyze')
-rw-r--r--gerbolyze/protoboard.py45
1 files changed, 42 insertions, 3 deletions
diff --git a/gerbolyze/protoboard.py b/gerbolyze/protoboard.py
index a4b6478..6fe668d 100644
--- a/gerbolyze/protoboard.py
+++ b/gerbolyze/protoboard.py
@@ -287,6 +287,39 @@ class PropLayout:
children = ', '.join( f'{elem}:{width}' for elem, width in zip(self.content, self.proportions))
return f'PropLayout[{self.direction.upper()}]({children})'
+class TwoSideLayout:
+ def __init__(self, top, bottom):
+ self.top, self.bottom = top, bottom
+
+ def flip(self, defs):
+ out = dict(defs)
+ for layer in ('copper', 'mask', 'silk', 'paste'):
+ top, bottom = f'top {layer}', f'bottom {layer}'
+ tval, bval = defs.get(top), defs.get(bottom)
+
+ if tval:
+ defs[bottom] = tval
+ elif bottom in defs:
+ del defs[bottom]
+
+ if bval:
+ defs[top] = bval
+ elif top in defs:
+ del defs[top]
+
+ return defs
+
+ def generate(self, x, y, w, h, defs, center=True, clip=''):
+ if isinstance(self.top, str):
+ yield defs[self.top].generate(x, y, w, h, defs, center, clip)
+ else:
+ yield from self.top.generate(x, y, w, h, defs, center, clip)
+
+ if isinstance(self.bottom, str):
+ yield self.flip(defs[self.bottom].generate(x, y, w, h, defs, center, clip))
+ else:
+ yield from map(self.flip, self.bottom.generate(x, y, w, h, defs, center, clip))
+
def _map_expression(node):
match node:
case ast.Name():
@@ -295,7 +328,7 @@ def _map_expression(node):
case ast.Constant():
return node.value
- case ast.BinOp(op=ast.BitOr()) | ast.BinOp(op=ast.BitAnd()):
+ case ast.BinOp(op=ast.BitOr()) | ast.BinOp(op=ast.BitAnd()) | ast.BinOp(op=ast.Add()):
left_prop = right_prop = None
left, right = node.left, node.right
@@ -308,9 +341,9 @@ def _map_expression(node):
right_prop = _map_expression(right.right)
right = right.left
- direction = 'h' if isinstance(node.op, ast.BitOr) else 'v'
left, right = _map_expression(left), _map_expression(right)
+ direction = 'h' if isinstance(node.op, ast.BitOr) else 'v'
if isinstance(left, PropLayout) and left.direction == direction and left_prop is None:
left.content.append(right)
left.proportions.append(right_prop)
@@ -321,6 +354,12 @@ def _map_expression(node):
right.proportions.insert(0, left_prop)
return right
+ elif isinstance(node.op, ast.Add):
+ if left_prop or right_prop:
+ raise SyntaxError(f'Proportions ("@") not supported for two-side layout ("+")')
+
+ return TwoSideLayout(left, right)
+
else:
return PropLayout([left, right], direction, [left_prop, right_prop])
@@ -419,5 +458,5 @@ if __name__ == '__main__':
# print('===== Proto board =====')
#b = ProtoBoard('tht = THTCircles(); tht_small = THTCircles(pad_dia=1.0, drill=0.6, pitch=1.27)',
# 'tht@1in|(tht_small@2/tht@1)', mounting_holes=(3.2, 5.0, 5.0), border=2, center=False)
- b = ProtoBoard('smd = SMDPads(0.8, 1.27)', 'smd', mounting_holes=(3.2, 5.0, 5.0), border=2)
+ b = ProtoBoard('tht = THTCircles(); smd1 = SMDPads(0.8, 1.27); smd2 = SMDPads(0.95, 1.895)', 'tht@1in | (smd1 + smd2)', mounting_holes=(3.2, 5.0, 5.0), border=2)
print(b.generate(80, 60))