Merge remote-tracking branch 'upstream/master'

1 files changed, 228 insertions, 0 deletions

diff --git a/keyboards/kinesis/alvicstep/matrix.c b/keyboards/kinesis/alvicstep/matrix.c
new file mode 100644
index 0000000000..cb0d5ad7df
--- /dev/null
+++ b/keyboards/kinesis/alvicstep/matrix.c
@@ -0,0 +1,228 @@
+/*
+Copyright 2014 Warren Janssens <warren.janssens@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * scan matrix
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "action_layer.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "led.h"
+#include "config.h"
+
+#ifndef DEBOUNCE
+#   define DEBOUNCE	5
+#endif
+static uint8_t debouncing = DEBOUNCE;
+
+/* matrix state(1:on, 0:off) */
+static uint8_t matrix[MATRIX_ROWS];
+static uint8_t matrix_debouncing[MATRIX_ROWS];
+
+static matrix_row_t read_row(uint8_t row);
+static void unselect_rows(void);
+static void select_rows(uint8_t row);
+
+__attribute__ ((weak))
+void matrix_init_quantum(void) {
+    matrix_init_kb();
+}
+
+__attribute__ ((weak))
+void matrix_scan_quantum(void) {
+    matrix_scan_kb();
+}
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+    matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+    matrix_scan_user();
+}
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+inline
+uint8_t matrix_rows(void)
+{
+    return MATRIX_ROWS;
+}
+
+
+inline
+uint8_t matrix_cols(void)
+{
+    return MATRIX_COLS;
+}
+
+void matrix_init(void)
+{
+    //debug_enable = true;
+    
+    //dprint("matrix_init"); dprintln();
+    // output high (leds)
+    DDRD    = 0xFF;
+    PORTD   = 0xFF;
+    
+    // output low (multiplexers)
+    DDRF    = 0xFF;
+    PORTF   = 0x00;
+    
+    // input with pullup (matrix)
+    DDRB    = 0x00;
+    PORTB   = 0xFF;
+    
+    // input with pullup (program and keypad buttons)
+    DDRC    = 0x00;
+    PORTC   = 0xFF;
+    
+    // initialize row and col
+    unselect_rows();
+
+    // initialize matrix state: all keys off
+    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+        matrix[i] = 0;
+        matrix_debouncing[i] = 0;
+    }
+	
+}
+
+uint8_t matrix_scan(void)
+{
+
+    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+        select_rows(i);
+        uint8_t row = read_row(i);
+        if (matrix_debouncing[i] != row) {
+            matrix_debouncing[i] = row;
+            if (debouncing) {
+                debug("bounce!: "); debug_hex(debouncing); debug("\n");
+            }
+            debouncing = DEBOUNCE;
+        }
+        unselect_rows();
+    }
+
+    if (debouncing) {
+        if (--debouncing) {
+            _delay_ms(1);
+        } else {
+            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+                matrix[i] = matrix_debouncing[i];
+            }
+        }
+    }
+    matrix_scan_quantum();
+    return 1;
+}
+
+bool matrix_is_modified(void)
+{
+    if (debouncing) return false;
+    return true;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+{
+    return (matrix[row] & ((matrix_row_t)1<<col));
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+    return matrix[row];
+}
+
+void matrix_print(void)
+{
+    print("\nr/c 01234567\n");
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+        phex(row); print(": ");
+        pbin_reverse(matrix_get_row(row));
+        print("\n");
+    }
+}
+
+uint8_t matrix_key_count(void)
+{
+    uint8_t count = 0;
+    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+        count += bitpop16(matrix[i]);
+    }
+    return count;
+}
+
+static matrix_row_t read_row(uint8_t row)
+{
+	_delay_us(30);  // without this wait read unstable value.
+
+	//keypad and program buttons
+	if (row == 12)
+	{
+		return ~(PINC | 0b00111111);
+	}
+	return ~PINB;
+}
+
+static void unselect_rows(void)
+{
+    // set A,B,C,G to 0 (F4 - F7)
+    PORTF &= 0x0F;
+}
+
+static void select_rows(uint8_t row)
+{
+    // set A,B,C,G to row value
+    PORTF |= row << 4;
+}
+
+
+/* Row pin configuration
+PF0		A
+PF1		B
+PF2		C
+PF3		G	0 = U4, 1 = U5
+
+				4y0	4y1	4y2	4y3	4y4	4y5	4y6	4y7	5y0	5y1	5y2	5y3	5y4	5y5	5y6	5y7	
+				r1	r2	 r3 r4	r5	r6	r7	r8	r9	r10	r11	r12	r13	r14	r15	r16	
+PB0		21	c1	f6	f8	f7	5	4	3	2	1	=+								
+PB1		22	c2	f3	f5	f4	t	r	e	w	q	TAB								
+PB2		23	c3	ESC	f2	f1	g	f	d	s	a	CL								
+PB3		24	c4	f9	f11	f10	b	v	c	x	z	LS	UP		DN		[{	]}		
+PB4		25	c5  f12	SL	PS	RT		LT	§±	`~		6	7	8		9	0	-_ 	
+PB5		26	c6	PB	PGM	KPD							y	u	i		o	p	\	
+PB6		27	c7  			LC	DL	BS	RC	EN	SP	h	j	k		l	;:	'"	
+PB7		28	c8					RA		PU		PD	n	m	,<		.>	/?	RS	
+ */
+
+