diff options
Diffstat (limited to 'gerbonara')
| -rw-r--r-- | gerbonara/cad/breakout.py | 100 | ||||
| -rw-r--r-- | gerbonara/cad/primitives.py | 3 |
2 files changed, 102 insertions, 1 deletions
diff --git a/gerbonara/cad/breakout.py b/gerbonara/cad/breakout.py new file mode 100644 index 0000000..fae06c9 --- /dev/null +++ b/gerbonara/cad/breakout.py @@ -0,0 +1,100 @@ + +from dataclasses import dataclass + +from ..utils import MM +from .primitives import * + + +@dataclass +class PadRing(Positioned): + w: int + h: int + pitch: float = 2.54 + clearance: float = 0.2 + rows: int = 2 + trace_width: float = 0.4 + drill_dia: float = 0.9 + stagger: bool = False + + def ports(self): + x, y, rotation = self.abs_pos + + x += self.pitch/2 + y += self.pitch/2 + + x += self.pitch * self.rows + y += self.pitch * self.rows + + pad_dia = self.pitch - 2*self.clearance - self.trace_width + offset = pad_dia/2 - self.trace_width/2 + + for i in range(1, self.w): + yield (x+self.pitch/2 + i*self.pitch, y+offset) + yield (x+self.pitch/2 + i*self.pitch, y+(self.h+1)*self.pitch-offset) + + for i in range(1, self.h): + yield (x+offset, y+self.pitch/2 + i*self.pitch) + yield (x+(self.w+1)*self.pitch-offset, y+self.pitch/2 + i*self.pitch) + + + def generate(self, bbox, border_text, unit=MM): + x, y, rotation = self.abs_pos + + x += self.pitch/2 + y += self.pitch/2 + + x += self.pitch * self.rows + y += self.pitch * self.rows + + pad_dia = self.pitch - 2*self.clearance - self.trace_width + + for i in range(self.w + 2 + 2*(self.rows-1)): + for j in range(self.rows): + yield THTPad.circle(x + (i - (self.rows - 1))*self.pitch, y - j*self.pitch, self.drill_dia, pad_dia, paste=False) + yield THTPad.circle(x + (i - (self.rows - 1))*self.pitch, y + (self.h + 1 + j)*self.pitch, self.drill_dia, pad_dia, paste=False) + + if self.rows >= 2 and 1 <= i < self.w: + yield Trace(self.trace_width, start=(x+i*self.pitch, y-self.pitch), end=(x+(i + 0.5)*self.pitch, y+pad_dia/2 - self.trace_width/2)) + yield Trace(self.trace_width, start=(x+i*self.pitch, y+(self.h+2)*self.pitch), end=(x+(i + 0.5)*self.pitch, y+(self.h+1)*self.pitch -pad_dia/2 + self.trace_width/2), orientation=('cw',)) + + for i in range(1, self.h+1): + for j in range(self.rows): + yield THTPad.circle(x - j*self.pitch, y + i*self.pitch, self.drill_dia, pad_dia, paste=False) + yield THTPad.circle(x + (self.w + 1 + j)*self.pitch, y + i*self.pitch, self.drill_dia, pad_dia, paste=False) + + if self.rows >= 2 and i < self.h: + yield Trace(self.trace_width, + start=( + x-self.pitch, + y+i*self.pitch), + end=( + x+pad_dia/2 - self.trace_width/2, + y+(i + 0.5)*self.pitch), + orientation=('cw',)) + yield Trace(self.trace_width, + start=( + x+(self.w+2)*self.pitch, + y+i*self.pitch), + end=( + x+(self.w+1)*self.pitch -pad_dia/2 + self.trace_width/2, + y+(i + 0.5)*self.pitch)) + + +def _breakout_demo(): + b = Board(100, 80) + + ring = PadRing(5, 5, 8, 12) + for obj in ring.generate(None, None): + b.add(obj) + + for x, y in ring.ports(): + b.add(Trace(0.1, start=(23, 27), end=(x, y))) + + with open('/tmp/test.svg', 'w') as f: + f.write(str(b.pretty_svg())) + b.layer_stack().save_to_directory('/tmp/testdir') + + +if __name__ == '__main__': + _breakout_demo() + diff --git a/gerbonara/cad/primitives.py b/gerbonara/cad/primitives.py index 9a9a373..ff2518c 100644 --- a/gerbonara/cad/primitives.py +++ b/gerbonara/cad/primitives.py @@ -480,8 +480,9 @@ class Trace: end: object = None waypoints: [(float, float)] = field(default_factory=list) style: str = 'oblique' - orientation: [str] = tuple() # 'top' or 'bottom' + orientation: [str] = tuple() # 'cw' or 'ccw' roundover: float = 0 + side: str = 'top' unit: LengthUnit = MM parent: object = None |