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-rw-r--r--converter/usb_usb/matrix.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/converter/usb_usb/matrix.c b/converter/usb_usb/matrix.c
new file mode 100644
index 0000000000..83d5ab6c83
--- /dev/null
+++ b/converter/usb_usb/matrix.c
@@ -0,0 +1,133 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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/>.
+*/
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "usb_hid.h"
+#include "keycode.h"
+#include "util.h"
+#include "print.h"
+#include "debug.h"
+#include "matrix.h"
+
+/* KEY CODE to Matrix
+ *
+ * HID keycode(1 byte):
+ * Higher 5 bits indicates ROW and lower 3 bits COL.
+ *
+ * 7 6 5 4 3 2 1 0
+ * +---------------+
+ * | ROW | COL |
+ * +---------------+
+ *
+ * Matrix space(32 * 8):
+ * 01234567
+ * 0 +--------+
+ * : | |
+ * : | |
+ * 31 +--------+
+ */
+#define ROW_MASK 0xF8
+#define COL_MASK 0x07
+#define CODE(row, col) (((row) << 3) | (col))
+#define ROW(code) (((code) & ROW_MASK) >> 3)
+#define COL(code) ((code) & COL_MASK)
+#define ROW_BITS(code) (1 << COL(code))
+
+
+uint8_t matrix_rows(void) { return MATRIX_ROWS; }
+uint8_t matrix_cols(void) { return MATRIX_COLS; }
+void matrix_init(void) {}
+bool matrix_has_ghost(void) { return false; }
+
+static bool matrix_is_mod =false;
+
+uint8_t matrix_scan(void) {
+ static uint16_t last_time_stamp = 0;
+
+ if (last_time_stamp != usb_hid_time_stamp) {
+ last_time_stamp = usb_hid_time_stamp;
+ matrix_is_mod = true;
+ } else {
+ matrix_is_mod = false;
+ }
+ return 1;
+}
+
+bool matrix_is_modified(void) {
+
+ return matrix_is_mod;
+}
+
+bool matrix_is_on(uint8_t row, uint8_t col) {
+ uint8_t code = CODE(row, col);
+
+ if (IS_MOD(code)) {
+ if (usb_hid_keyboard_report.mods & ROW_BITS(code)) {
+ return true;
+ }
+ }
+ for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+ if (usb_hid_keyboard_report.keys[i] == code) {
+ return true;
+ }
+ }
+ return false;
+}
+
+uint8_t matrix_get_row(uint8_t row) {
+ uint8_t row_bits = 0;
+
+ if (IS_MOD(CODE(row, 0)) && usb_hid_keyboard_report.mods) {
+ row_bits |= usb_hid_keyboard_report.mods;
+ }
+
+ for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+ if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
+ if (row == ROW(usb_hid_keyboard_report.keys[i])) {
+ row_bits |= ROW_BITS(usb_hid_keyboard_report.keys[i]);
+ }
+ }
+ }
+ return row_bits;
+}
+
+uint8_t matrix_key_count(void) {
+ uint8_t count = 0;
+
+ count += bitpop(usb_hid_keyboard_report.mods);
+ for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+ if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
+ count++;
+ }
+ }
+ return count;
+}
+
+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));
+#ifdef MATRIX_HAS_GHOST
+ if (matrix_has_ghost_in_row(row)) {
+ print(" <ghost");
+ }
+#endif
+ print("\n");
+ }
+}