Fix a few silly goofs.

This commit is contained in:
Phil Hagelberg 2014-12-04 08:10:58 -08:00
parent d2aa1ef4b0
commit bbcbfc81c9

View file

@ -6,31 +6,18 @@
(define pressed 0)
(define column-pins (list 11 12 15 14 10 4 7 8 9 5 6))
(define layout (vector key-a key-s key-d key-f key-g
(define column-pins (vector 11 12 15 14 10 4 7 8 9 5 6))
(define layout (vector key-a key-s key-d key-f key-g 0
key-h key-j key-k key-l key-semicolon))
(define (scan-column pin keycode)
(if (and (= 0 pressed) (low? pin))
(if (low? pin)
(set! pressed keycode)))
(define (loop)
(set! pressed 0)
;; this causes a vector exception
;; (for 0 10 (lambda (n) (scan-column (vector-ref column-pins n)
;; (vector-ref layout n))))
;; while the unrolled version works great
(scan-column 11 key-a)
(scan-column 12 key-s)
(scan-column 15 key-d)
(scan-column 14 key-f)
(scan-column 10 key-g)
(scan-column 7 key-h)
(scan-column 8 key-j)
(scan-column 9 key-k)
(scan-column 5 key-l)
(scan-column 6 key-semicolon)
(for 0 10 (lambda (n) (scan-column (vector-ref column-pins n)
(vector-ref layout n))))
(call-c-func "usb_send" 0 pressed 0 0 0 0 0)
(loop))
@ -41,23 +28,11 @@
#x23 #x23 #x23 #x29 #x2D #x2D))
(set! arduino-pins (vector 4 8 2 1 16 64 128 64 16 32 64 128 64 128
8 2 4 32 65 128))
;; this causes a vector exception:
;; (for-each-vector column-pins input)
;; (for-each-vector column-pins high) ; activate pullup resistors
;; while unrolling the loop works fine
(high 11)
(high 12)
(high 15)
(high 14)
(high 10)
(high 4)
(high 7)
(high 8)
(high 9)
(high 5)
(high 6)
(for-each-vector input column-pins)
(for-each-vector high column-pins) ; activate pullup resistors
(call-c-func "usb_init")
(pause 200))
(init)
(loop)