added nofill layers, refactor code
This commit is contained in:
parent
c6499cab23
commit
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512
inductor_2.il
512
inductor_2.il
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@ -12,7 +12,6 @@ debug = nil
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; DEBUG output function, uncomment to get all output
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(procedure output( @rest args)
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(when debug (apply 'printf args))
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;()
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)
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; VECTOR HELPER FUNCTIONS
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@ -63,6 +62,33 @@ debug = nil
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result
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)
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; Tests if a float x is zero in respect to the manufacturing grid
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; (smaller then one grid spacing)
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(defun ind_isZero (x)
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abs(x)<1/mfgGrid
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)
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; return the sign of the input
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; (ind_sign 20) = 1
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; (ind_sign -10) = -1
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; (ind_sign 0) = 0
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(defun ind_sign (x)
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(if ind_isZero(x)
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then 0
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else
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(if (x > 0)
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then 1
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else -1
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)
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)
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)
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; only returns vectors with their sign as components
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; e.g. (cleanupDirVect 0.1:-20) == 1:-1
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(defun cleanDirVect (vect)
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(ind_sign car(vect)):(ind_sign cadr(vect))
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))
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; DRAWING HELPER FUNCTIONS
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; creates a pin using database functions
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; and a corresponding net with name name
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@ -145,20 +171,22 @@ debug = nil
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; Creates the start of the inductor
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; and places a pin there
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(defun ind_createStart (id start width dir)
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center = start; (addVect start multVect((invVect dir) width/2))
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points = list(
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(addVect center (-width):width)
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(addVect center width:width)
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(addVect center width:(-width))
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(addVect center (-width):(-width))
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(let (center points)
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center = start; (addVect start multVect((invVect dir) width/2))
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points = list(
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(addVect center (-width):width)
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(addVect center width:width)
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(addVect center width:(-width))
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(addVect center (-width):(-width))
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)
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(ind_createPin
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id
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"outer"
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points
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list("TopMetal2" "drawing")
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)
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)
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/*(ind_createPin
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id
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"outer"
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points
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list("TopMetal2" "drawing")
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)*/
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)
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; creates one segment of the inductor and calls itself recursively to complete
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@ -201,7 +229,7 @@ debug = nil
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isend = (n < 1)
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; DEBUG
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output("seg: %d, n: %L (start: %L, end: %L)\n", mod(seg, nseg), n, isstart, isend)
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(output "seg: %d, n: %L (start: %L, end: %L)\n", mod(seg, nseg), n, isstart, isend)
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when(isend
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l = (lenVect dir)
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@ -238,8 +266,9 @@ debug = nil
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)
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)
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when(isstart ind_createStart(id start whalv ndir))
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when((n<=1) ind_createEnd(id end whalv ndir))
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; FIXME: broken, and underpass is not generated anyway
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;when(isstart ind_createStart(id start whalv ndir))
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;when((n<=1) ind_createEnd(id end whalv ndir))
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n -= 1
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(output "n=%L\n", n)
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@ -249,74 +278,110 @@ debug = nil
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) ; when
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)
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defun(ind_gndshield (r width pitch gap window)
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(output "draw gnd shield with r=%L and w=%L\n", r, width)
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r2 = r + width
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m = 1/tan(mconst.PI/nseg)
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segw = 2*r/m
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pitch += width
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(defun iszero (x)
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abs(x) < 1/mfgGrid
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)
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(defun sign (x)
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(if iszero(x)
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then 0
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else
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(if (x > 0)
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then 1
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else -1
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)
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)
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)
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(defun cleanup (vect)
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(sign car(vect)):(sign cadr(vect))
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)
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for(n 0 nseg-1
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angle = mconst.PI*2/nseg * n
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rotmat = list(
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list(cos(angle) -sin(angle))
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list(sin(angle) cos(angle))
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)
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(defun ind_drawOctagon (r w1 w2 layer shorting)
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(let (a b start end)
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; define start
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a = (snap r*tanalpha)
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; a = (floor r*tanalpha*mfgGrid)/(0.25*mfgGrid)
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b = (snap r)
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start = 0:0
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end = 0:0
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w1 = width
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w = w1
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(when ((mod n 2) == 1)
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w2 = w1*sqrt(2)
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w= w2
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)
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w1 = (snap w1)
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w2 = (snap w2)
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w = (snap w)
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; contact_ring = append(contact_ring list(list(r2*cos(angle-mconst.PI/nseg) r2*sin(angle-mconst.PI/nseg))))
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for(y 0 floor(segw/(2*pitch))
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yr = (snap y*pitch)
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a = (snap min(yr*m + gap, r))
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l = (r-a)
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(for n 0 8
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(let (w)
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w = (if mod(n 2)==1 then w2 else w1)
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(case n
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(0
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start = -a:b
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end = a:b
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)
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(1
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start = b:-a
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end = a:-b
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)
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(2
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start = b:-a
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end = b:a
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)
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(3
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start = a:b
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end = b:a
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)
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(4
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start = a:-b
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end = -a:-b
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)
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(5
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start = -a:-b
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end = -b:-a
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)
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(6
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start = -b:-a
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end = -b:a
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)
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(7
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start = -b:a
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end = (addVect -a:b -shorting:-shorting)
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)
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)
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; draw ring segment
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(apply 'dbCreatePathSeg
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id
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gndshield_layer
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start
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end
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w
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if(mod(n 2)==0
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then list(
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"truncate"
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"truncate"
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list(0 0)
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)
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else list(
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"custom"
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(if n==7 then "truncate" else "custom")
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list(
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w1/2
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(if n==7 then 0 else w1/2)
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list(w1/2 w1/2 w2/2 w1/2 w1/2 w2/2)
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)
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)
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)
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) ; END apply
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) ; END let
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) ; END for
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)
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)
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(defun ind_gndshield2 (yr)
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(let (a l)
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a = min((yr*m + gap) r)
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l = (r-a)
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when(l>0
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; DEBUG
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(output "(r=%L, m=%L, w=%L) yr=%L, a=%L, length=%L\n" m r w yr a l)
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(when ((mod n 2) == 1)
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l /= sqrt(2)
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)
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l = (snap l)
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dir = (cleanup matmult(rotmat 0:-1))
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l = (snap l)
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dir = (cleanDirVect matmult(rotmat 0:-1))
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(output "%P\n", dir)
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start = matmult(rotmat yr:r)
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; start = (snap (car start)):(snap (cadr start))
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start = (floor((car start)*50.0)/50.0):(floor((cadr start)*50.0)/50.0)
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end = (addVect start (multVect dir l))
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; DEBUG
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(output "start=%P, end=%P (dir=%P)\n" start end dir)
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(dbCreatePathSeg
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id
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gndshield_layer
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@ -326,11 +391,13 @@ defun(ind_gndshield (r width pitch gap window)
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"truncate"
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"truncate"
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)
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when(y != 0
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when(yr != 0
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; DEBUG
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(output "create mirror at y=%L\n" -yr)
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start = -car(start):cadr(start)
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end = -car(end):cadr(end)
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dbCreatePathSeg(
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id
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gndshield_layer
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@ -341,122 +408,187 @@ defun(ind_gndshield (r width pitch gap window)
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"truncate"
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)
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)
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) ; for
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a = (floor r/m*mfgGrid/2)/(0.5*mfgGrid)
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b = (snap r)
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start = 0:0
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end = 0:0
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(print n)
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(ind_gndshield2 yr+pitch)
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) ; END when
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) ; END let
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)
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(case n
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(0
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start = -a:b
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end = a:b
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)
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(1
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start = b:-a
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end = a:-b
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)
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(2
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start = b:-a
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end = b:a
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)
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(3
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start = a:b
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end = b:a
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)
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(4
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start = a:-b
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end = -a:-b
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)
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(5
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start = -a:-b
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end = -b:-a
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)
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(6
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start = -b:-a
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end = -b:a
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)
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(7
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start = -b:a
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end = (addVect -a:b -window:-window)
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)
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)
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; draw contact ring
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(apply 'dbCreatePathSeg
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id
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gndshield_layer
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start
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end
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w
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if(mod(n 2)==0
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then list(
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"truncate"
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"truncate"
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list(0 0)
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)
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else list(
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"custom"
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(if n==7 then "truncate" else "custom")
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list(
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w1/2
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(if n==7 then 0 else w1/2)
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list(w1/2 w1/2 w2/2 w1/2 w1/2 w2/2)
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)
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)
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(defun ind_gndshield (r w1 w2 pitch gap window)
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(let (n w)
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for(n 0 nseg-1
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; DEBUG
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angle = mconst.PI*2/nseg * n
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rotmat = list(
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list(cos(angle) -sin(angle))
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list(sin(angle) cos(angle))
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)
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)
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)
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w = if((mod n 2)==1 then w2 else w1)
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(output "draw a gndshield part with w=%L\n" w)
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(ind_gndshield2 0)
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) ; END for
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)
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)
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; uses ind_drawSegment to create a complete inductor with
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; the given specification
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defun(drawInductor (n r width pitch)
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; the PCell cell view id
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id = pcCellView
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(when (not id)
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(error "could not find cell view")
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) ; when
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; set multiple globals
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inductorLayer = '("TopMetal2", "drawing")
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underpassLayer = '("TopMetal1", "drawing")
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output("generating inductor with r=%L, turns=%L, pitch=%L and width=%L\n" r n pitch width)
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whalv = snap(width/2)
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w = whalv*2
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; diagonal segment width
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w2halv = snap(width*sqrt(2)/2)
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w2 = 2*w2halv
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pitch = snap(pitch + w) ; pitch from segment sides
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r = snap(r - whalv) ; middle radius
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nseg = 8 ; octagonal inductor
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; calculation globals
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ahalv = mconst.PI/nseg ; angle between segments
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talpha = tan(ahalv)
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hl = snap((r-w/2)*talpha) ; start point
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; draw inductor
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(ind_drawSegment id n*nseg 0 -hl:r r)
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(let (id w whalv w2 w2halv ahalv talpha hl nseg)
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; the PCell cell view id
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id = pcCellView
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(when (not id)
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(error "could not find cell view")
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) ; when
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; set multiple globals
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inductorLayer = '("TopMetal2", "drawing")
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underpassLayer = '("TopMetal1", "drawing")
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output("generating inductor with r=%L, turns=%L, pitch=%L and width=%L\n" r n pitch width)
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whalv = snap(width/2)
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w = whalv*2
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; diagonal segment width
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w2halv = snap(width*sqrt(2)/2)
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w2 = 2*w2halv
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pitch = snap(pitch + w) ; pitch from segment sides
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r = snap(r - whalv) ; middle radius
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nseg = 8 ; octagonal inductor
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; calculation globals
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ahalv = mconst.PI/nseg ; angle between segments
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talpha = tan(ahalv)
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hl = snap((r-w/2)*talpha) ; start point
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; draw inductor
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(let (dir)
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(ind_drawSegment id n*nseg 0 -hl:r r)
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)
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)
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)
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(defun drawGndShield (r pitch width window)
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(defun drawGndShield (r layer pitch width window)
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; setup gndshield
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id = pcCellView
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gndshield_layer = '("Metal1" "drawing")
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nseg = 8
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(let (id gndshield_layer nseg dir tanalpha m w1 w2 ymax)
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r -= (snap width/2)
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w1 = (snap width*1.0)
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w2 = (snap width*1.0*sqrt(2))
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(ind_gndshield r pitch width width*2 (snap window))
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id = pcCellView
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gndshield_layer = layer
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nseg = 8
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tanalpha = tan(mconst.PI/nseg)
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segw = r/2.0*tanalpha
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pitch += width
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m = 1/tanalpha
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ymax = floor(segw/(2*pitch))
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(output "draw gnd shield with nfins=%L, r=%L, segw=%L, segcount=%L and w=%L on %L\n" ymax r segw (floor segw/(2*pitch)) width gndshield_layer)
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; draw the gndshield itself
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(ind_gndshield r w1 w2 pitch width*2 (snap window))
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; draw contact ring
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(ind_drawOctagon r w1 w2 gndshield_layer window)
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)
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)
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(defun ind_getOctagonPoints (r w1 w2 shorting)
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(let (a b start end)
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; define start
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a = (floor r*tan(mconst.PI/8)*mfgGrid*0.5)/(0.5*mfgGrid)
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b = (snap r)
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start = 0:0
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end = 0:0
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result=list()
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(for n 0 8
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(let (w)
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w = (if mod(n 2)==1 then w2 else w1)
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(case n
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(0
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start = -a:b
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end = a:b
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)
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(1
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start = a:b
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end = b:a
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)
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(2
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start = b:a
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end = b:-a
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)
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(3
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start = b:-a
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end = a:-b
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)
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(4
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start = a:-b
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end = -a:-b
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)
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(5
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start = -a:-b
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end = -b:-a
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)
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(6
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start = -b:-a
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end = -b:a
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)
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(7
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start = -b:a
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end = (addVect -a:b -shorting:-shorting)
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)
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)
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result=(append result list(list(start end w)))
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)
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)
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)
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result
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)
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(defun ind_segmentsToPolygon (seg)
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(output "segments=%L\n" seg)
|
||||
result = list(caar(seg))
|
||||
seg = cdr(seg)
|
||||
|
||||
(when seg
|
||||
result = (append result (ind_segmentsToPolygon seg))
|
||||
)
|
||||
result
|
||||
)
|
||||
|
||||
(defun drawBlockLayer (points layers)
|
||||
(let (layer)
|
||||
layer = car(layers)
|
||||
layers = cdr(layers)
|
||||
|
||||
; DEBUG
|
||||
(output "draw block layer %L\n", layer)
|
||||
|
||||
(dbCreatePolygon
|
||||
pcCellView
|
||||
layer
|
||||
points
|
||||
)
|
||||
|
||||
(when layers
|
||||
(drawBlockLayer points layers)
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
(defun drawBlockLayers (r layers)
|
||||
points = (ind_segmentsToPolygon (ind_getOctagonPoints r 0 0 0))
|
||||
(output "polygon points %L\n", points)
|
||||
(drawBlockLayer points layers)
|
||||
)
|
||||
|
||||
(defun setup ()
|
||||
|
|
@ -471,20 +603,38 @@ defun(drawInductor (n r width pitch)
|
|||
list(
|
||||
( turns "float" 1.0 )
|
||||
( radius "float" 100.0 )
|
||||
( width "float" 2.1 ); techGetSpacingRule(techGetTechFile(pcCellView) "minWidth" "TopMetal2" ))
|
||||
( width "float" 2.1 )
|
||||
( pitch "float" 2.1 )
|
||||
; gndshield parameters
|
||||
( gndshield "boolean" nil )
|
||||
( gndpitch "float" 2.1 )
|
||||
( gndwidth "float" 2.1 )
|
||||
( gndoverlap "float" 3 )
|
||||
( gndwindow "float" 2.1 )
|
||||
; layer setup
|
||||
( blockLayers "ilList" '(
|
||||
("Metal1" "nofill")
|
||||
("Metal2" "nofill")
|
||||
("Metal3" "nofill")
|
||||
("TopMetal1" "nofill")
|
||||
("TopMetal2" "nofill")
|
||||
("GatPoly" "nofill")
|
||||
("Activ" "nofill")
|
||||
("PWell" "block")
|
||||
)
|
||||
)
|
||||
( gndShieldLayer "ilList" '("Metal1" "drawing"))
|
||||
)
|
||||
(let
|
||||
()
|
||||
(setup)
|
||||
; (print blockLayers)
|
||||
(drawInductor turns radius width pitch)
|
||||
(when gndshield
|
||||
(drawGndShield radius+gndoverlap gndwidth gndpitch gndwindow)
|
||||
(drawGndShield radius+gndoverlap gndShieldLayer gndwidth gndpitch gndwindow)
|
||||
)
|
||||
(when blockLayers
|
||||
(drawBlockLayers radius+gndoverlap blockLayers)
|
||||
)
|
||||
)
|
||||
)
|
||||
|
|
|
|||
Loading…
Reference in New Issue