X-Git-Url: https://git.armaanb.net/?a=blobdiff_plain;f=atreus.rkt;h=3783c5ae333ab4f743f2497d0b61245b32b15814;hb=99528bd789b9485dd9f069131850457ecbc174b6;hp=8c4c397a9feffa7fa4011431fe6a2e840d843cb3;hpb=12e418cecbb3897eb730b18580a4cb6f3b012169;p=atreides.git diff --git a/atreus.rkt b/atreus.rkt index 8c4c397..3783c5a 100644 --- a/atreus.rkt +++ b/atreus.rkt @@ -1,20 +1,21 @@ #lang racket -(define cols 6) +(define cols 12) (define rows 4) (define x-offset 20) (define y-offset 20) (define spacing 19) -(define angle 0) +(define angle 10) -(define column-offsets '(8 5 0 6 11 15)) +(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) + (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) @@ -80,11 +81,11 @@ (define microcontroller-module `(module A_STAR (layer Front) (tedit 4FDC31C8) (tstamp 543EF800) - (at 134 50 270) + (at 134 65 270) (path /543EEB02) - (fp_line (start -15.24 7.62) (end 10.1 7.62) (layer F.SilkS) (width 0.381)) + (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)) - ;; columns (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) @@ -98,7 +99,6 @@ (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)) - ;; rows (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) @@ -106,7 +106,22 @@ (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)))) + (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 "") @@ -120,8 +135,13 @@ (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 (+ 11 s) (string->symbol (format "N-diode-~s" s)))))) + (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." @@ -135,45 +155,82 @@ (list 'add_net (last n))))) (define (switch row col) - (let* ([x (+ (* (+ 1 col) spacing) x-offset)] - [y (+ (list-ref column-offsets col) (* spacing row) y-offset)] + (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))] - [diode-net `(net ,(+ 11 diode) + ;; 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 ,(+ col 5) - ,(string->symbol (format "N-col-~s" col)))]) - (switch-module x y 0 label diode-net column-net))) + [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* ([x (if (= col 5) - 134 - (+ (* (+ 1 col) spacing) x-offset 9))] - [y (cond [(and (= col 5) (= row 2)) 81] - [(and (= col 5) (= row 3)) 84] - [#t (+ (list-ref column-offsets col) (* spacing row) y-offset)])] - [r (if (= col 5) 270 0)] + (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))]) - (diode-module x y r label - `(net ,(+ 11 diode) + [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 ,(+ row 1) - ,(string->symbol (format "N-row-~s" row)))))) + `(net ,(+ net-row 1) + ,(string->symbol (format "N-row-~s" net-row)))))) (define switches+diodes - (for/list ([col (in-range cols)] #:when true + (for/list ([col (in-range cols)] + #:when true [row (if (or (= 5 col) (= 6 col)) - '(2 3) (in-range rows))]) + '(0 1) (in-range rows))]) (list (switch row col) (diode row col)))) -;; TODO: row bridges -;; TODO: traces +(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) @@ -186,9 +243,14 @@ (display "\n" op) (for ([f board]) (pretty-print f op 1)) - ;; TODO: traces! (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")