add zynq symbol generator script

zynq_sym_gen.py

@@ -0,0 +1,77 @@
+from pathlib import Path
+
+dir_root = Path(__file__).parent / ".."
+
+
+def csv2kisym(infile, out, name=None):
+    with open(infile, "r") as f:
+        lines = f.readlines()
+
+    part = lines[0].split()[1]
+    pin_lines = lines[3:]
+    while pin_lines[-1].strip() == "" or "Total Number of Pins" in pin_lines[-1]:
+        pin_lines.pop(-1)
+
+    if name is not None:
+        name = part.upper()
+
+    lib = [
+        "(kicad_symbol_lib (version 20220914) (generator kicad_symbol_editor)",
+        f'(symbol "{name}" (in_bom yes) (on_board yes)',
+        '(property "Reference" "U" (id 0) (at 0 0 0)(effects (font (size 1.27 1.27))))',
+        '(property "Value" "" (id 1) (at 0 0 0)(effects (font (size 1.27 1.27)) hide))',
+        '(property "Footprint" "" (id 2) (at 0 0 0)(effects (font (size 1.27 1.27)) hide))',
+        '(property "Datasheet" "" (id 3) (at 0 0 0)(effects (font (size 1.27 1.27)) hide))',
+        '(property "Manufacturer" "" (id 4) (at 0 0 0)(effects (font (size 1.27 1.27)) hide))',
+        '(property "ManufacturerPartNumber" "" (id 5) (at 0 0 0)(effects (font (size 1.27 1.27))))',
+        '(property "ki_locked" "" (id 6) (at 0 0 0)(effects (font (size 1.27 1.27))))',
+        '(property "ki_description" "" (id 7) (at 0 0 0)(effects (font (size 1.27 1.27)) hide))',
+        # f'(symbol "{name}_1_0" (pin output line (at -3.81 -45.72 0) (length 2.54)(name "" (effects (font (size 1.27 1.27))))(number "" (effects (font (size 1.27 1.27))))))',
+    ]
+
+    lib += [f'(symbol "{name}_{1}_1"']
+    for ii, p in enumerate(pin_lines):
+        (
+            pad,
+            pin_name,
+            mem_byte_group,
+            bank,
+            vccaux_group,
+            super_logic_region,
+            io_type,
+            no_connect,
+        ) = p.split()
+        if io_type in ["HR", "DRR"]:
+            pin_type = "bidirectional"
+        elif io_type == "MIO" and "PS_MIO" in pin_name and "VREF" not in pin_name:
+            pin_type = "bidirectional"
+        elif pin_name == "GND":
+            pin_type = "power_in"
+        elif "VCC" in pin_name and io_type == "NA":
+            pin_type = "power_in"
+        else:
+            pin_type = "unspecified"
+
+        lib += [
+            f"(pin {pin_type} line"
+            f"(at -3.81 {-2.54 * ii} 0) (length 3.81)"
+            f'(name "{pin_name}" (effects (font (size 1.27 1.27))))'
+            f'(number "{pad}" (effects (font (size 1.27 1.27))))'
+            ")"
+        ]
+    lib += [")"]  # symbol variant
+
+    lib += [")"]  # symbol
+
+    lib += [")"]  # library
+
+    with open(out, "w") as f:
+        f.write("\n".join(lib))
+
+
+if __name__ == "__main__":
+    csv2kisym(
+        dir_root / "references" / "xc7z020clg484pkg.txt",
+        dir_root / "hardware" / "zynq.kicad_sym",
+        name="XC7Z020-1CLG484I",
+    )