mirror of
git://projects.qi-hardware.com/fped.git
synced 2024-11-22 19:23:44 +02:00
c6312cd313
- moved all examples to examples/ - README: updated and corrected example invocation git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5748 99fdad57-331a-0410-800a-d7fa5415bdb3
74 lines
1.3 KiB
Plaintext
74 lines
1.3 KiB
Plaintext
/*
|
|
* Example of a QFN package (and general construction site to experiment with
|
|
* fped features during development)
|
|
*
|
|
* Everything you see here is likely to change sooner or later.
|
|
*
|
|
* http://www.nxp.com/acrobat/packages/footprint/SOT616-1_fp_reflow.pdf
|
|
*/
|
|
|
|
frame pad_up {
|
|
c: vec @(-D/2, 0mm)
|
|
o: vec c(D, C)
|
|
set pad = n+1
|
|
pad "$pad" c .
|
|
}
|
|
|
|
frame pads {
|
|
loop n = 0, N/4-1
|
|
|
|
vec @(P*(n-(N/4-1)/2), -Ay/2)
|
|
frame pad_up .
|
|
|
|
}
|
|
|
|
|
|
part "qfn"
|
|
|
|
|
|
set N = 24
|
|
|
|
/*
|
|
* Note that this table is not a great example because it contains lots of
|
|
* fields we don't really need for iterations. But it's useful for driving
|
|
* the GUI to extremes.
|
|
*/
|
|
|
|
table
|
|
{ P, Ax, Ay, Bx, By, C, D, SLx, SLy, SPx_tot, SPy_tot, SPx, SPy, Gx, Gy, Hx, Hy }
|
|
{ 0.5mm, 5mm, 5mm, 3.2mm, 3.2mm, 0.9mm, 0.24mm, 2.1mm, 2.1mm, 1.2mm,
|
|
1.2mm, 0.45mm, 0.45mm, 4.3mm, 4.3mm, 5.25mm, 5.25mm }
|
|
|
|
h_x0y0: vec @(-Hx/2, -Hy/2)
|
|
h_x1y1: vec .(Hx, Hy)
|
|
rect h_x0y0 h_x1y1 8mil
|
|
|
|
/*
|
|
* we can't draw the package outline on the silk screen for it would print
|
|
* over the pads.
|
|
*/
|
|
#if 0
|
|
g_x0y0: vec @(-Gx/2, -Gy/2)
|
|
g_x1y1: vec .(Gx, Gy)
|
|
#endif
|
|
|
|
frame pads @
|
|
|
|
// ARC, just for testing
|
|
|
|
c: vec @(-1mm, 1mm)
|
|
r: vec c(0mm, 0.5mm)
|
|
e: vec c(-0.5mm, 0mm)
|
|
arc c r e 2mil
|
|
|
|
r2: vec c(0mm, 0.8mm)
|
|
circ c r2 5mil
|
|
|
|
/*
|
|
x1 = 1+2*3
|
|
x2 = (1+2)*3
|
|
x3 = 1-(2+3)
|
|
*/
|
|
|
|
measy pad_up.c -> pad_up.o 0.2mm
|