OCuLink Riser for the Supermicro AIOM Slot

@@ -1,124 +0,0 @@-#!/usr/bin/env python3-"""Board outline, keepouts and component placement for the riser (board frame: x 0..76, y 0 faceplate .. 115 fingers)."""-import json, math, os, sys-sys.path.insert(0, os.path.dirname(__file__))-import hs--W, L = 76.0, 115.0-H = 38.0---def outline():-    """Closed list of (kind, ...) segments: ('line', x1,y1,x2,y2) or ('arc', sx,sy, mx,my, ex,ey).-    OCP NIC 3.0 v1.6.0 Fig. 8/9 + SFF-TA-1002 Fig. 5-39 (tongue, keys, lead-in chamfers)."""-    segs = []-    F = hs.F-    tongue = [(F - 31.480, F - 20.4 - 1.125), (F - 20.4 + 1.125, F - 0.925),-              (F + 0.925, F + 12.26 - 1.375), (F + 12.26 + 1.375, F + 31.995)]-    slots = [(F - 20.4, 2.25, 7.0), (F, 1.85, 7.0), (F + 12.26, 2.75, 7.0)]-    ch = 0.75     # 45 degree lead-in on every tongue corner-    # ears: x [0, 3.76] and [72.24, 76]; outer slots 2.50 wide, 6.10 deep; 30 degree chamfer 3.00 long-    ear_w, oslot_w, oslot_d = 3.7625, 2.5, 6.10-    c30 = 3.00 * math.tan(math.radians(30))-    pts = []--    def P(x, y):-        pts.append((x, y))--    # start at faceplate edge, top-left, go clockwise in board frame (x right, y down)-    P(0, 0); P(W, 0)-    # right long edge down to the latch notch: notch 3.50 wide, 2.75 deep, ends 30.00 from the card edge-    ny1, ny0 = L - 30.0 - 3.5, L - 30.0-    P(W, ny1); P(W - 2.75, ny1); P(W - 2.75, ny0); P(W, ny0)-    # right ear with 30 degree chamfer-    P(W, L - 3.00); P(W - c30, L); P(W - ear_w, L)-    # right outer slot (round bottom)-    segs_pts = list(pts)-    return segs_pts, tongue, slots, (ear_w, oslot_w, oslot_d, c30, ny1, ny0, ch)---def outline_poly():-    """The outline as a simple polygon (arcs as polylines) for checks, built independently of outline_segments."""-    F = hs.F-    pts = []-    W_, L_ = W, L-    c30 = 3.00 * math.tan(math.radians(30))-    ear = 3.7625-    ow, od = 2.5, 6.10-    ch = 0.75-    tongue = [(F - 31.480, F - 20.4 - 1.125), (F - 20.4 + 1.125, F - 0.925),-              (F + 0.925, F + 12.26 - 1.375), (F + 12.26 + 1.375, F + 31.995)]-    keys = [(F - 20.4, 2.25, 7.0), (F, 1.85, 7.0), (F + 12.26, 2.75, 7.0)]-    ny1, ny0 = L_ - 33.5, L_ - 30.0--    def roundslot(xc, w, d, east_to_west=True, n=12):-        r = w / 2-        out = [(xc + r, L_), (xc + r, L_ - d + r)]-        for i in range(1, n):-            a = math.pi * i / n-            out.append((xc + r * math.cos(a), L_ - d + r - r * math.sin(a)))-        out += [(xc - r, L_ - d + r), (xc - r, L_)]-        return out--    pts += [(0, 0), (W_, 0), (W_, ny1), (W_ - 2.75, ny1), (W_ - 2.75, ny0), (W_, ny0), (W_, L_ - 3.00), (W_ - c30, L_),-            (W_ - ear, L_)]-    # right outer slot-    pts += roundslot(tongue[3][1] + ow / 2, ow, od)[1:-1]-    for i in range(3, -1, -1):-        a, b = tongue[i]-        pts += [(b, L_ - ch), (b - ch, L_), (a + ch, L_), (a, L_ - ch)]-        if i > 0:-            xc, w, d = keys[i - 1]-            pts += roundslot(xc, w, d)[1:-1]-    pts += roundslot(tongue[0][0] - ow / 2, ow, od)[1:-1]-    pts += [(ear, L_), (c30, L_), (0, L_ - 3.00), (0, ny0), (2.75, ny0), (2.75, ny1), (0, ny1)]-    return pts---# ------------------------------------------------------------------------------------------ placement-def placement():-    """ref -> (x, y, rot_deg, side). rot in KiCad degrees (counter-clockwise on screen)."""-    P = {}-    P["J1"] = (hs.F, L, 0, "F")-    for k in range(4):-        P[f"J{2+k}"] = (hs.CX[k], 0.0, 0, "F")-    P["H1"] = (5.5, 115 - 109.76, 0, "F")-    P["H2"] = (70.5, 115 - 109.76, 0, "F")-    # west region (top side): scan chain, FRU, supervisor, PERST buffer-    P["U1"] = (8.8, 60.0, 0, "F")       # TSSOP-16-    P["C1"] = (13.3, 56.4, 90, "F")-    P["R3"] = (4.2, 55.4, 0, "F"); P["R4"] = (4.2, 56.75, 0, "F"); P["R5"] = (4.6, 64.0, 0, "F")-    P["R6"] = (13.3, 62.6, 90, "F"); P["R7"] = (4.6, 65.4, 0, "F")-    P["U2"] = (8.8, 72.0, 0, "F")       # SOIC-8-    P["C2"] = (13.4, 69.0, 90, "F"); P["R8"] = (4.6, 75.6, 0, "F"); P["JP1"] = (5.2, 78.2, 0, "F")-    P["U3"] = (8.8, 48.6, 0, "F")       # SOT-23-6-    P["C3"] = (12.4, 48.6, 90, "F"); P["R9"] = (5.2, 50.8, 0, "F")-    P["U4"] = (8.8, 39.0, 0, "F")       # TSSOP-14-    P["C4"] = (13.3, 35.6, 90, "F")-    for k in range(4):-        P[f"R{11+k}"] = (13.6, 38.2 + 1.3 * k, 0, "F")    # 33R series-    # power indication and bulk-    P["C5"] = (14.2, 92.0, 90, "F")-    P["D1"] = (5.0, 28.0, 90, "F"); P["R23"] = (5.0, 31.0, 90, "F")-    P["D2"] = (7.4, 28.0, 90, "F"); P["R24"] = (7.4, 31.0, 90, "F")-    P["TP1"] = (4.6, 87.0, 0, "F"); P["TP2"] = (4.6, 89.8, 0, "F"); P["TP3"] = (4.6, 92.6, 0, "F")-    P["TP4"] = (4.6, 95.4, 0, "F"); P["TP5"] = (4.6, 98.2, 0, "F")-    # 0.5 mm probe pads on their nets' routed top-layer traces (design/tp_spots.json, found by clearance search)-    _sp = json.load(open(os.path.join(os.path.dirname(__file__), "..", "design", "tp_spots.json")))-    for _ref, _net in (("TP6", "NIC_PWR_GOOD0"), ("TP7", "PORT0_PERST#"), ("TP8", "PORT1_PERST#"), ("TP9", "PORT2_PERST#"),-                       ("TP10", "PORT3_PERST#"), ("TP11", "SCAN0_CLK"), ("TP12", "SCAN0_DATA_OUT")):-        P[_ref] = (_sp[_net][1], _sp[_net][2], 0, "F")-    # PRSNT straps beside B70 (east)-    P["R1"] = (71.6, 101.6, 90, "F"); P["R2"] = (70.4, 101.6, 90, "F")-    # per-port ESD between the connector and the PERST# jog (pins 1..5 face the connector at rotation 270)-    for k in range(4):-        P[f"U{5+k}"] = (hs.CX[k] - 3.0, 9.6, 270, "F")-        P[f"R{15+k}"] = (15.8, 38.2 + 1.3 * k, 0, "F")      # PERST# pull-downs beside the 33 ohm series parts-    return P---if __name__ == "__main__":-    pl = placement()-    import outline2-    json.dump({"placement": pl, "outline": outline2.polygon(), "edges": outline2.fillet()[0]}, open(os.path.join(os.path.dirname(__file__), "..", "design", "layout.json"), "w"), indent=1)-    print(len(pl), "placed;", len(outline_poly()), "outline points")