Renames keyboard folder to keyboards, adds couple of tmk's fixes (#432)

* fixes from tmk's repo

* rename keyboard to keyboards

keyboards/sixkeyboard/matrix.c

@@ -0,0 +1,120 @@
+/*
+
+Note for ErgoDox EZ customizers: Here be dragons!
+This is not a file you want to be messing with.
+All of the interesting stuff for you is under keymaps/ :)
+Love, Erez
+
+Copyright 2013 Oleg Kostyuk <cub.uanic@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 "sixkeyboard.h"
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+}
+
+inline
+uint8_t matrix_rows(void)
+{
+    return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void)
+{
+    return MATRIX_COLS;
+}
+
+void matrix_init(void)
+{
+
+    DDRC  &= ~(1<<7);
+    PORTC |=  (1<<7);
+    DDRB  &= ~(1<<7 | 1<<5);
+    PORTB |=  (1<<7 | 1<<5);
+    DDRD  &= ~(1<<6 | 1<<4 | 1<<1);
+    PORTD |=  (1<<6 | 1<<4 | 1<<1);
+
+    matrix_init_kb();
+
+}
+
+uint8_t matrix_scan(void)
+{
+    matrix[0] = (PINC&(1<<7) ? 0 : (1<<0)) | (PINB&(1<<7) ? 0 : (1<<1)) | (PINB&(1<<5) ? 0 : (1<<2));
+    matrix[1] = (PIND&(1<<6) ? 0 : (1<<0)) | (PIND&(1<<1) ? 0 : (1<<1)) | (PIND&(1<<4) ? 0 : (1<<2));
+
+    matrix_scan_kb();
+
+    return 1;
+}
+
+bool matrix_is_modified(void)
+{
+    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 0123456789ABCDEF\n");
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+        phex(row); print(": ");
+        pbin_reverse16(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;
+}
+