mirror of
git://projects.qi-hardware.com/kicad-libs.git
synced 2024-11-22 19:41:33 +02:00
20b7c5f395
- add rounding, - add pad numbers, and - more measurements. Alas, the geometry still doesn't look quite right: in the 32 pin package, the pads seem short and too wide. In the 48 pin version, it's the opposite.
100 lines
2.1 KiB
Plaintext
100 lines
2.1 KiB
Plaintext
/* MACHINE-GENERATED ! */
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frame meas_aux {
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set ?dy = -1
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__0: vec @(-wx/2, -wy/2)
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__1: vec @(wx/2, wy/2)
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}
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frame land {
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table
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{ dx, dy, n }
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{ 0, -1, i }
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{ 1, 0, i+N/4 }
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{ 0, 1, i+N/2 }
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{ -1, 0, i+3*N/4 }
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set side = e*(i-N/8-0.5)
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table
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{ sx, sy }
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{ side*-dy, side*dx }
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table
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{ ix, iy, ox, oy, wx, wy }
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{ Gmin/2*dx, Gmin/2*dy, Zmax/2*dx, Zmax/2*dy, Xmax*-dy, Xmax*dx }
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loop i = 1, N/4
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__0: vec @(ix, iy)
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__1: vec .(sx, sy)
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__2: vec .(ox-ix, oy-iy)
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frame meas_aux .
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__4: vec .(wx/2, wy/2)
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__3: vec __1(-wx/2, -wy/2)
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pad "$n" . __4
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__5: vec @((ix+ox)/2, (iy+oy)/2)
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}
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package "QFP$N-$pkg-$dens"
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unit mm
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table
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{ pkg, N, Dmin, Dmax, D1max, Lmin, Lmax, e, narrow, bmin, bmax, b1min, b1max }
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{ "MS026BBA", 32, 8.9mm, 9.1mm, 7.1mm, 0.45mm, 0.75mm, 0.8mm, 0, 0.3mm, 0.45mm, 0.3mm, 0.4mm }
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{ "MS026BBC", 48, 8.9mm, 9.1mm, 7.1mm, 0.45mm, 0.75mm, 0.5mm, 1, 0.17mm, 0.27mm, 0.17mm, 0.23mm }
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table
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{ Dtol, Ltol }
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{ Dmax-Dmin, Lmax-Lmin }
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table
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{ Smin, Cs, Smax }
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{ Dmin-2*Lmax, sqrt(Dtol*Dtol+Ltol*Ltol), Smin+Cs }
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set Cl = Dmax-Dmin
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set Cw = b1max-b1min
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table
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{ dens, ?narrow, Jt, Jh, Js, Court }
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{ "A", 0, 0.55mm, 0.45mm, 0.05mm, 0.5mm }
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{ "B", 0, 0.35mm, 0.35mm, 0.03mm, 0.25mm }
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{ "C", 0, 0.15mm, 0.25mm, 0.01mm, 0.1mm }
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{ "A", 1, 0.55mm, 0.45mm, 0.01mm, 0.5mm }
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{ "B", 1, 0.35mm, 0.35mm, -0.02mm, 0.25mm }
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{ "C", 1, 0.15mm, 0.25mm, -0.04mm, 0.1mm }
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table
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{ ?narrow, Jt_round, Jh_round, Js_round }
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{ 0, 0.02mm, 0.02mm, 0.01mm }
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{ 1, 0.02mm, 0.1mm, 0.01mm }
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set pcb_tolerance = 0.1mm
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set placement_tolerance = 0.1mm
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table
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{ F, P }
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{ pcb_tolerance, placement_tolerance }
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set Zmax_raw = Dmin+2*Jt+sqrt(Cl*Cl+F*F+P*P)
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set Gmin_raw = Smax-2*Jh-sqrt(Cs*Cs+F*F+P*P)
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set Xmax_raw = b1min+2*Js+sqrt(Cw*Cw+F*F+P*P)
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set Zmax = floor(Zmax_raw/Jt_round+0.5)*Jt_round
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set Gmin = floor(Gmin_raw/Jh_round+0.5)*Jh_round
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set Xmax = floor(Xmax_raw/Js_round+0.5)*Js_round
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frame land @
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measy land.__2 -> land.__1 -7mm
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measy land.__0 >> land.__0 6mm
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measy land.__2 >> land.__4 5mm
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measy land.__5 >> land.__5 7mm
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measx meas_aux.__0 -> land.__4 -1mm
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