abstract footprint file format
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f8fe77771f
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156
fp_generator.py
Normal file
156
fp_generator.py
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@ -0,0 +1,156 @@
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from datetime import datetime
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from pathlib import Path
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from typing import List, Literal, Optional, Tuple, Union
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INCH = 25.4
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class Footprint:
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text_size = {
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# layer: (size_x, size_y, stroke)
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"F.SilkS": (0.030 * INCH, 0.030 * INCH, 0.007 * INCH),
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"B.SilkS": (0.030 * INCH, 0.030 * INCH, 0.007 * INCH),
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"F.Fab": (0.030 * INCH, 0.030 * INCH, 0.005 * INCH),
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"B.Fab": (0.030 * INCH, 0.030 * INCH, 0.005 * INCH),
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None: (0.030 * INCH, 0.030 * INCH, 0.005 * INCH),
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}
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def __init__(
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self,
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name: str,
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description: Optional[str] = None,
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keywords: Optional[List[str]] = None,
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):
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self.name = name
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self.description = "" if description is None else description
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self._pads = []
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self._models = []
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self._contents = (
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"("
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f'footprint "{self.name}"\n'
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f' (version {datetime.now().strftime("%Y%m%d")})\n'
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" (generator pcbnew)\n"
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' (layer "F.Cu")\n'
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" (attr smd)\n"
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)
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if description is not None:
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self._contents += f' (descr "{description}")\n'
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if keywords is not None:
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self._contents += f' (tags "{" ".join(keywords)}")\n'
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def add_pad(
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self,
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id: Union[int, str],
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x: float,
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y: float,
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size: Union[float, Tuple[float]],
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hole: Optional[float] = None,
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shape: Optional[Literal["circle", "rect", "round_rect"]] = None,
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):
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try:
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size = (float(size), float(size))
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except ValueError:
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size = tuple(size)
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if shape not in [None, "circle", "rect", "round_rect"]:
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raise ValueError
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if hole is not None:
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self._contents.replace("(attr smd)", "(attr through_hole)")
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self._contents += (
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f' (pad "{id}" thru_hole {shape} '
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f"(at {x} {y}) "
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f"(size {size[0]} {size[1]}) "
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f"(drill {hole}) "
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"(layers *.Cu *.Mask)"
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")\n"
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)
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def add_model(
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self,
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path: Union[Path, str],
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offset: Tuple[float] = (0, 0, 0),
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rotate: Tuple[float] = (0, 0, 0),
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scale: Tuple[float] = (1, 1, 1),
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):
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self._contents += (
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f' (model "{str(path)}" '
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f"(offset (xyz {offset[0]} {offset[1]} {offset[2]})) "
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f"(scale (xyz {scale[0]} {scale[1]} {scale[2]})) "
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f"(rotate (xyz {rotate[0]} {rotate[1]} {rotate[2]})) "
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")\n"
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)
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def add_text(
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self,
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name: str,
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text: str,
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x: float,
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y: float,
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layer: str,
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rotation: float = 0,
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size: Optional[Tuple[float]] = None,
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hidden: bool = False,
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):
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if size is None:
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if layer in self.text_size:
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size = self.text_size[layer]
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else:
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size = self.text_size[None]
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self._contents += (
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f' (fp_text {name} "{text}" '
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f"(at {x} {y} {rotation}) "
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f'(layer "{layer}") '
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f"{'hide' if hidden else ''}"
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f"(effects (font (size {size[0]} {size[1]}) (thickness {size[2]}))) "
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")\n"
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)
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def add_line(
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self,
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start: Tuple[float],
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end: Tuple[float],
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layer: str,
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stroke: Optional[float] = None,
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):
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if stroke is None:
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if layer in self.text_size:
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stroke = self.text_size[layer][2]
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else:
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stroke = self.text_size[None][2]
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stroke = float(stroke)
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self._contents += (
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f' (fp_line (start {start[0]} {start[1]}) (end {end[0]} {end[1]}) (layer "{layer}") (width {stroke}))\n'
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)
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def add_rect(
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self,
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start: Tuple[float],
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end: Tuple[float],
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layer: str,
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stroke: Optional[float] = None,
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fill: bool = False,
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):
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if stroke is None:
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if layer in self.text_size:
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stroke = self.text_size[layer][2]
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else:
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stroke = self.text_size[None][2]
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stroke = float(stroke)
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self._contents += (
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" (fp_rect "
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f"(start {start[0]} {start[1]}) "
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f"(end {end[0]} {end[1]}) "
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f"(stroke (width {stroke}) (type default)) "
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f'(fill {"none" if not fill else "solidButIDontKnowWhatStringToUse"}) '
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f'(layer "{layer}") '
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")\n"
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)
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def write(self, lib: Union[Path, str]):
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with open(Path(lib) / f"{self.name}.kicad_mod", "w") as f:
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f.write(self._contents + ")")
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108
generate.py
108
generate.py
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@ -13,19 +13,24 @@ from selenium.webdriver.support import expected_conditions as EC
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from selenium.webdriver.support.select import By
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from selenium.webdriver.support.wait import WebDriverWait
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from fp_generator import INCH, Footprint
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dir_ = Path(__file__).parent
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rng = np.random.default_rng()
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SILK_WIDTH = 0.007 * INCH
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PARTS_SAMTEC = [
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# Pin Headers
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*[f"TSW-1{i:02d}-07-L-S" for i in range(1, 51)],
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*[f"TSW-1{i:02d}-07-L-D" for i in range(1, 51)],
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# *[f"TSW-1{i:02d}-07-L-T" for i in range(1, 51)],
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# *[f"TSW-1{i:02d}-07-L-Q" for i in range(1, 51)],
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*[f"TSW-2{i:02d}-07-L-S" for i in range(2, 26)],
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*[f"TSW-2{i:02d}-07-L-D" for i in range(2, 26)],
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# *[f"TSW-2{i:02d}-07-L-T" for i in range(2, 26)],
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# *[f"TSW-2{i:02d}-07-L-Q" for i in range(2, 26)],
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*[f"TSW-1{i:02d}-07-L-S" for i in range(1, 5)],
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# *[f"TSW-1{i:02d}-07-L-S" for i in range(1, 51)],
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# *[f"TSW-1{i:02d}-07-L-D" for i in range(1, 51)],
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# # *[f"TSW-1{i:02d}-07-L-T" for i in range(1, 51)],
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# # *[f"TSW-1{i:02d}-07-L-Q" for i in range(1, 51)],
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# *[f"TSW-2{i:02d}-07-L-S" for i in range(2, 26)],
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# *[f"TSW-2{i:02d}-07-L-D" for i in range(2, 26)],
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# # *[f"TSW-2{i:02d}-07-L-T" for i in range(2, 26)],
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# # *[f"TSW-2{i:02d}-07-L-Q" for i in range(2, 26)],
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# Sockets
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# SSW
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# SMH
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@ -66,7 +71,7 @@ def download_step_samtec(part: str) -> None:
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"prefs",
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{"download.default_directory": str(tmp)},
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)
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chrome_options.add_argument("--headless")
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# chrome_options.add_argument("--headless")
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with webdriver.Chrome(
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options=chrome_options,
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@ -135,11 +140,6 @@ def download_step_molex(part: Union[str, int]) -> None:
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raise ValueError(f"Could not download .stp for part {part}")
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now = datetime.now()
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INCH = 25.4
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SILK_WIDTH = 0.007 * INCH
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def footprint_samtec(part: str, lib: Optional[Union[Path, str]] = None) -> str:
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if any([part.startswith(s) for s in ["TSW-", "HTSW-"]]):
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# pinheader
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@ -156,8 +156,8 @@ def footprint_samtec(part: str, lib: Optional[Union[Path, str]] = None) -> str:
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lead_style = "vertical"
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plating = {
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"F": "Gold flash on post, Matte Tin on tail",
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"L": '10 µ" (0.25 µm) Gold on post, Matte Tin on tail',
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"G": '10 µ" (0.25 µm) Gold on post, Gold flash on balance',
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"L": "10 µin (0.25 µm) Gold on post, Matte Tin on tail",
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"G": "10 µin (0.25 µm) Gold on post, Gold flash on balance",
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"T": "Matte Tin",
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}[match[5]]
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cols = {"S": 1, "D": 2, "T": 3, "Q": 4}[match[6]]
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@ -179,46 +179,34 @@ def footprint_samtec(part: str, lib: Optional[Union[Path, str]] = None) -> str:
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if lib is None:
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lib = dir_ / "samtec.pretty"
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lib = Path(lib)
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with open(lib / f"{fp_name}.kicad_mod", "w") as f:
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f.write(
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"\n".join(
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(
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f'(footprint "{fp_name}" (version {now.strftime("%Y%m%d")}) (generator pcbnew) (layer "F.Cu")',
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r" (attr through_hole)",
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f' (descr "{description}")',
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f' (tags "{" ".join(keywords)}")',
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f' (fp_text reference "REF**" (at {center[0]} {-2.032}) (layer "F.SilkS")',
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r" (effects (font (size 0.762 0.762) (thickness 0.127)))",
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r" )",
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f' (fp_text value "VAL**" (at {center[0]} {center[1]} 90) (layer "F.Fab") hide',
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r" (effects (font (size 0.762 0.762) (thickness 0.127)))",
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r" )",
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r' (fp_text user "${REFERENCE}" ' f'(at {center[0]} {center[1]} 90) (layer "F.Fab")',
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r" (effects (font (size 1 1) (thickness 0.15)))",
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r" )",
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f" (fp_rect (start {-0.05 * INCH} {-0.05 * INCH}) "
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f"(end {0.05 * INCH + strobe[0] * (cols - 1)} {0.05 * INCH + strobe[1] * (rows - 1)})",
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f' (stroke (width {SILK_WIDTH}) (type default)) (fill none) (layer "F.SilkS")' r" )",
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f" (fp_line (start {-0.05 * INCH} {0.05 * INCH}) (end {0.05 * INCH} {0.05 * INCH}) "
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f'(layer "F.SilkS") (width {SILK_WIDTH}))',
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f" (fp_line (start {0.05 * INCH} {-0.05 * INCH}) (end {0.05 * INCH} {0.05 * INCH}) "
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f'(layer "F.SilkS") (width {SILK_WIDTH}))',
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*[
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f' (pad "{pad + 1}" thru_hole {"rect" if pad == 0 else "circle"} '
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f"(at {strobe[0] * (pad % cols)} {strobe[1] * int(pad / cols)}) "
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f"(size {pad_size} {pad_size}) (drill {hole_diam}) (layers *.Cu *.Mask))"
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for pad in range(rows * cols)
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],
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f' (model "/home/brendan/Documents/projects/kicad/samtec.pretty/3dshapes/{part}.stp"',
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f" (offset (xyz {center[0]} {-center[1]} 0))",
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r" (scale (xyz 1 1 1))",
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r" (rotate (xyz -90 0 90))",
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r" )",
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r")",
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)
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)
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+ "\n"
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fp = Footprint(fp_name, description=description, keywords=keywords)
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fp.add_text("reference", "REF**", center[0], -2.032, layer="F.SilkS")
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fp.add_text("value", "VAL**", center[0], center[1], rotation=90, layer="F.Fab", hidden=True)
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fp.add_text("user", r"${REFERENCE}**", center[0], center[1], rotation=90, layer="F.Fab")
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fp.add_rect(
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[-0.05 * INCH] * 2,
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(0.05 * INCH + strobe[0] * (cols - 1), 0.05 * INCH + strobe[1] * (rows - 1)),
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layer="F.SilkS",
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)
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fp.add_line((-0.05 * INCH, 0.05 * INCH), (0.05 * INCH, 0.05 * INCH), layer="F.SilkS")
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fp.add_line((0.05 * INCH, -0.05 * INCH), (0.05 * INCH, 0.05 * INCH), layer="F.SilkS")
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for pad in range(rows * cols):
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fp.add_pad(
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pad + 1,
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strobe[0] * (pad % cols),
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strobe[1] * int(pad / cols),
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size=pad_size,
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hole=hole_diam,
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shape="rect" if pad == 0 else "circle",
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)
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fp.add_model(
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f"/home/brendan/Documents/projects/kicad/samtec.pretty/3dshapes/{part}.stp",
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(center[0], center[1], 0),
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rotate=(-90, 0, 90),
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)
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fp.write(lib)
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elif any([part.startswith(s) for s in ["SSW-"]]):
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# socket
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raise NotImplementedError()
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@ -231,15 +219,15 @@ if __name__ == "__main__":
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pool = Pool(10)
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# for part in PARTS_SAMTEC:
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# time.sleep(rng.random() * 3)
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# download_step_samtec(part)
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# footprint_samtec(part)
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for part in PARTS_SAMTEC:
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# time.sleep(rng.random() * 3)
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# download_step_samtec(part)
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footprint_samtec(part)
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# pool.map(download_step_samtec, PARTS_SAMTEC)
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# pool.map(footprint_samtec, PARTS_SAMTEC)
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# for part in PARTS_MOLEX:
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# download_step_molex(part)
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pool.map(download_step_molex, PARTS_MOLEX)
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# pool.map(download_step_molex, PARTS_MOLEX)
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pool.close()
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