+++ /dev/null
-#lang racket
-
-(define cols 12)
-(define rows 4)
-
-(define x-offset 20)
-(define y-offset 20)
-
-(define spacing 19)
-(define angle 10)
-
-(define column-offsets '(8 5 0 6 11 53 53 11 6 0 5 8))
-
-(define (switch-module x y rotation label net-pos net-neg)
- ;; TODO: set timestamps?
- `(module MX_FLIP (layer Front) (tedit 4FD81CDD) (tstamp 543EF801)
- (at ,x ,y ,rotation)
- (path /543DB910) ; TODO: this is not documented; no idea what it does
- (fp_text reference ,label (at 0 3.302 ,rotation) (layer F.SilkS)
- (effects (font (size 1.524 1.778) (thickness 0.254))))
- (fp_line (start -6.35 -6.35) (end 6.35 -6.35)
- (layer F.SilkS) (width 0.381))
- (fp_line (start 6.35 -6.35) (end 6.35 6.35)
- (layer F.SilkS) (width 0.381))
- (fp_line (start 6.35 6.35) (end -6.35 6.35)
- (layer F.SilkS) (width 0.381))
- (fp_line (start -6.35 6.35) (end -6.35 -6.35)
- (layer F.SilkS) (width 0.381))
- (pad 0 np_thru_hole circle (at 0 0) (size 3.9878 3.9878)
- (drill 3.9878)) ; switch hole, no copper
- (pad 0 np_thru_hole circle (at -5.08 0) (size 1.7018 1.7018)
- (drill 1.7018)) ; board-mount hole, no copper
- (pad 0 np_thru_hole circle (at 5.08 0) (size 1.7018 1.7018)
- (drill 1.7018)) ; board-mount hole, no copper
- (pad 1 thru_hole circle (at 2.54 -5.08) (size 2.286 2.286) (drill 1.4986)
- (layers *.Cu *.SilkS *.Mask) ,net-pos)
- (pad 1 thru_hole circle (at 3.81 -2.54) (size 2.286 2.286) (drill 1.4986)
- (layers *.Cu *.SilkS *.Mask) ,net-pos)
- (pad 2 thru_hole circle (at -2.54 -5.08) (size 2.286 2.286) (drill 1.4986)
- (layers *.Cu *.SilkS *.Mask) ,net-neg)
- (pad 2 thru_hole circle (at -3.81 -2.54) (size 2.286 2.286) (drill 1.4986)
- (layers *.Cu *.SilkS *.Mask) ,net-neg)))
-
-(define (diode-module x y rotation label net-pos net-neg)
- `(module DIODE (layer Front) (tedit 4E0F7A99) (tstamp 543EF854)
- (at ,x ,y ,(+ 90 rotation))
- (path /543DB90F)
- (fp_text reference D2:2 (at 0 0 180) (layer F.SilkS) hide
- (effects (font (size 1.016 1.016) (thickness 0.2032))))
- (fp_line (start -1.524 -1.143) (end 1.524 -1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start 1.524 -1.143) (end 1.524 1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start 0 -1.143) (end 0 1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start 0 -1.143) (end -1.524 0)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start -1.524 0) (end 0 1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start 1.524 1.143) (end -1.524 1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start -1.524 1.143) (end -1.524 -1.143)
- (layer F.SilkS) (width 0.2032))
- (fp_line (start -3.81 0) (end -1.6637 0) (layer Back) (width 0.6096))
- (fp_line (start 1.6637 0) (end 3.81 0) (layer Back) (width 0.6096))
- (fp_line (start -3.81 0) (end -1.6637 0) (layer Front) (width 0.6096))
- (fp_line (start 1.6637 0) (end 3.81 0) (layer Front) (width 0.6096))
-
- (pad 1 thru_hole circle (at -3.81 0 180) (size 1.651 1.651)
- (drill 0.9906) (layers *.Cu *.SilkS *.Mask) ,net-neg)
- (pad 2 thru_hole rect (at 3.81 0 ,rotation) (size 1.651 1.651)
- (drill 0.9906) (layers *.Cu *.SilkS *.Mask) ,net-pos)
- (pad 99 smd rect (at -1.6637 0 ,rotation) (size 0.8382 0.8382)
- (layers Front F.Paste F.Mask))
- (pad 99 smd rect (at -1.6637 0 ,rotation) (size 0.8382 0.8382)
- (layers Back B.Paste B.Mask))
- (pad 99 smd rect (at 1.6637 0 ,rotation) (size 0.8382 0.8382)
- (layers Front F.Paste F.Mask))
- (pad 99 smd rect (at 1.6637 0 ,rotation) (size 0.8382 0.8382)
- (layers Back B.Paste B.Mask))))
-
-(define microcontroller-module
- `(module A_STAR (layer Front) (tedit 4FDC31C8) (tstamp 543EF800)
- (at 134 65 270)
- (path /543EEB02)
- (fp_line (start 10.1 7.62) (end 10.1 -7.62) (layer F.SilkS) (width 0.381))
- (fp_line (start 10.1 -7.62) (end -15.24 -7.62) (layer F.SilkS) (width 0.381))
-
- (pad B5 thru_hole circle (at -13.97 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 7 N-col-2))
- (pad B4 thru_hole circle (at -11.43 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 8 N-col-3))
- (pad E6 thru_hole circle (at -8.89 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 9 N-col-4))
- (pad D7 thru_hole circle (at -6.35 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 5 N-col-0))
- (pad C6 thru_hole circle (at -3.81 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 6 N-col-1))
- (pad D4 thru_hole circle (at -1.27 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 10 N-col-5))
-
- (pad D0 thru_hole circle (at 1.27 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 1 N-row-0))
- (pad D1 thru_hole circle (at 3.81 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 2 N-row-1))
- (pad D3 thru_hole circle (at 6.35 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 3 N-row-2))
- (pad D2 thru_hole circle (at 8.89 6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 4 N-row-3))
-
- (pad F7 thru_hole circle (at -13.97 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 13 N-col-8))
- (pad F6 thru_hole circle (at -11.43 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 12 N-col-7))
- (pad B6 thru_hole circle (at -8.89 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 11 N-col-6))
- (pad B7 thru_hole circle (at -6.35 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 15 N-col-10))
- (pad D6 thru_hole circle (at -3.81 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 14 N-col-9))
- (pad RST thru_hole circle (at -1.27 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 0 ""))
- (pad GND thru_hole circle (at 6.35 -6.35 270) (size 1.7526 1.7526)
- (drill 1.0922) (layers *.Cu *.SilkS *.Mask) (net 0 ""))))
-
-(define nets
- `((net 0 "")
- (net 1 N-row-0)
- (net 2 N-row-1)
- (net 3 N-row-2)
- (net 4 N-row-3)
- (net 5 N-col-0)
- (net 6 N-col-1)
- (net 7 N-col-2)
- (net 8 N-col-3)
- (net 9 N-col-4)
- (net 10 N-col-5)
- (net 11 N-col-6)
- (net 12 N-col-7)
- (net 13 N-col-8)
- (net 14 N-col-9)
- (net 15 N-col-10)
- ,@(for/list ([s (in-range 42)])
- (list 'net (+ 16 s) (string->symbol (format "N-diode-~s" s))))))
-
-(define (net-class nets)
- (append '(net_class Default "This is the default net class."
- (clearance 0.254)
- (trace_width 0.2032)
- (via_dia 0.889)
- (via_drill 0.635)
- (uvia_dia 0.508)
- (uvia_drill 0.127))
- (for/list ([n nets])
- (list 'add_net (last n)))))
-
-(define (switch row col)
- (let* ([left? (< col 6)]
- [rotation (if left? -10 10)]
- [x (* (+ 1 col) spacing)]
- [y (+ (list-ref column-offsets col) (* spacing row))]
- [hypotenuse (sqrt (+ (* x x) (* y y)))]
- [Θ (atan (/ y x))]
- [Θ′ (- Θ (degrees->radians rotation))]
- [x′ (+ (if left? x-offset 5) (* hypotenuse (cos Θ′)))]
- [y′ (+ (if left? y-offset (+ y-offset 42.885)) (* hypotenuse (sin Θ′)))]
- [label (format "SW~a:~a" col row)]
- [diode (+ row (* col 4))]
- ;; if we try to number nets linearly, kicad segfaults; woo!
- ;; so we re-use the nets we skipped with the missing col 5/6 diodes
- [diode (cond [(> diode 44) (- diode 20)]
- [(> diode 41) (- diode 21)]
- [true diode])]
- [net-col (if left? col (- col 1))]
- [diode-net `(net ,(+ 16 diode)
- ,(string->symbol (format "N-diode-~s" diode)))]
- [column-net `(net ,(+ net-col 5)
- ,(string->symbol (format "N-col-~s" net-col)))])
- (switch-module x′ y′ rotation label
- (if left? diode-net column-net)
- (if left? column-net diode-net))))
-
-(define (diode row col)
- (let* ([left? (< col 6)]
- [rotation (if left? -10 10)]
- [x (* (+ 1 col) spacing)]
- [y (+ (list-ref column-offsets col) (* spacing row))]
- [hypotenuse (sqrt (+ (* x x) (* y y)))]
- [Θ (atan (/ y x))]
- [Θ′ (- Θ (degrees->radians rotation))]
- [x′ (+ (if left? x-offset 5) (* hypotenuse (cos Θ′))
- (if left? 9 -9))]
- [y′ (+ (if left? y-offset (+ y-offset 42.885))
- (* hypotenuse (sin Θ′)))]
- [label (format "D~a:~a" col row)]
- [diode (+ row (* col 4))]
- ;; if we try to number nets linearly, kicad segfaults; woo!
- ;; so we re-use the nets we skipped with the missing col 5/6 diodes
- [diode (cond [(> diode 44) (- diode 20)]
- [(> diode 41) (- diode 21)]
- [true diode])]
- [net-row (cond [(= col 5) 2]
- [(= col 6) 3]
- [true row])])
- (diode-module x′ y′ rotation label
- `(net ,(+ 16 diode)
- ,(string->symbol (format "N-diode-~s" diode)))
- `(net ,(+ net-row 1)
- ,(string->symbol (format "N-row-~s" net-row))))))
-
-(define switches+diodes
- (for/list ([col (in-range cols)]
- #:when true
- [row (if (or (= 5 col) (= 6 col))
- '(0 1) (in-range rows))])
- (list (switch row col) (diode row col))))
-
-(define edge-cuts
- (for/list [(s '([31 22] [84 22] [127 30]
- [129 49] [129 75] [139 75]
- [139 49] [141 30] [185 22]
- [237 22] [250 95] [161 112] [107 112] [18 95]))
- (e '([84 22] [127 30]
- [129 49] [129 75] [139 75] [139 49]
- [141 30] [185 22]
- [237 22] [250 95] [161 112] [107 112] [18 95] [31 22]))]
- `(gr_line (start ,@s) (end ,@e) (angle 90) (layer Edge.Cuts) (width 0.3))))
-
-(define board
- (apply append nets
- (list (net-class nets))
- (list microcontroller-module)
- edge-cuts
- switches+diodes))
-
-(define (write-placement filename)
- (when (file-exists? filename) (delete-file filename))
- (call-with-output-file filename
- (λ (op)
- (display (call-with-input-file "header.rktd"
- (curry read-string 9999)) op)
- ;; kicad has this terrible bug where it's whitespace-sensitive here =(
- (display "\n" op)
- (for ([f board])
- (pretty-print f op 1))
- (display (call-with-input-file "traces.rktd"
- (curry read-string 999999)) op)
- (display ")" op))))
-
-;; TODOs:
-
-;; controller traces
-;; middle switch traces
-;; middle switch diodes below
-
-(write-placement "atreus.kicad_pcb")
projects / atreides.git / blobdiff