1 files changed, 234 insertions, 0 deletions
diff --git a/keyboards/converter/usb_usb/matrix.cpp b/keyboards/converter/usb_usb/matrix.cpp
new file mode 100644
index 0000000000..88517afc91
--- /dev/null
+++ b/keyboards/converter/usb_usb/matrix.cpp
@@ -0,0 +1,234 @@
+/*
+Copyright 2016 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>
+
+// USB HID host
+#include "Usb.h"
+#include "usbhub.h"
+#include "hid.h"
+#include "hidboot.h"
+#include "parser.h"
+
+#include "keycode.h"
+#include "util.h"
+#include "print.h"
+#include "debug.h"
+#include "timer.h"
+#include "matrix.h"
+#include "led.h"
+#include "host.h"
+#include "keyboard.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(16 * 16):
+ *   r\c0123456789ABCDEF
+ *   0 +----------------+
+ *   : |                |
+ *   : |                |
+ *  16 +----------------+
+ */
+#define ROW_MASK 0xF0
+#define COL_MASK 0x0F
+#define CODE(row, col)  (((row) << 4) | (col))
+#define ROW(code)       (((code) & ROW_MASK) >> 4)
+#define COL(code)       ((code) & COL_MASK)
+#define ROW_BITS(code)  (1 << COL(code))
+
+
+// Integrated key state of all keyboards
+static report_keyboard_t keyboard_report;
+
+static bool matrix_is_mod = false;
+
+/*
+ * USB Host Shield HID keyboards
+ * This supports two cascaded hubs and four keyboards
+ */
+USB usb_host;
+USBHub hub1(&usb_host);
+USBHub hub2(&usb_host);
+HIDBoot<HID_PROTOCOL_KEYBOARD>    kbd1(&usb_host);
+HIDBoot<HID_PROTOCOL_KEYBOARD>    kbd2(&usb_host);
+HIDBoot<HID_PROTOCOL_KEYBOARD>    kbd3(&usb_host);
+HIDBoot<HID_PROTOCOL_KEYBOARD>    kbd4(&usb_host);
+KBDReportParser kbd_parser1;
+KBDReportParser kbd_parser2;
+KBDReportParser kbd_parser3;
+KBDReportParser kbd_parser4;
+
+
+uint8_t matrix_rows(void) { return MATRIX_ROWS; }
+uint8_t matrix_cols(void) { return MATRIX_COLS; }
+bool matrix_has_ghost(void) { return false; }
+void matrix_init(void) {
+    // USB Host Shield setup
+    usb_host.Init();
+    kbd1.SetReportParser(0, (HIDReportParser*)&kbd_parser1);
+    kbd2.SetReportParser(0, (HIDReportParser*)&kbd_parser2);
+    kbd3.SetReportParser(0, (HIDReportParser*)&kbd_parser3);
+    kbd4.SetReportParser(0, (HIDReportParser*)&kbd_parser4);
+}
+
+static void or_report(report_keyboard_t report) {
+    // integrate reports into keyboard_report
+    keyboard_report.mods |= report.mods;
+    for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (IS_ANY(report.keys[i])) {
+            for (uint8_t j = 0; j < KEYBOARD_REPORT_KEYS; j++) {
+                if (! keyboard_report.keys[j]) {
+                    keyboard_report.keys[j] = report.keys[i];
+                    break;
+                }
+            }
+        }
+    }
+}
+
+uint8_t matrix_scan(void) {
+    static uint16_t last_time_stamp1 = 0;
+    static uint16_t last_time_stamp2 = 0;
+    static uint16_t last_time_stamp3 = 0;
+    static uint16_t last_time_stamp4 = 0;
+
+    // check report came from keyboards
+    if (kbd_parser1.time_stamp != last_time_stamp1 ||
+        kbd_parser2.time_stamp != last_time_stamp2 ||
+        kbd_parser3.time_stamp != last_time_stamp3 ||
+        kbd_parser4.time_stamp != last_time_stamp4) {
+
+        last_time_stamp1 = kbd_parser1.time_stamp;
+        last_time_stamp2 = kbd_parser2.time_stamp;
+        last_time_stamp3 = kbd_parser3.time_stamp;
+        last_time_stamp4 = kbd_parser4.time_stamp;
+
+        // clear and integrate all reports
+        keyboard_report = {};
+        or_report(kbd_parser1.report);
+        or_report(kbd_parser2.report);
+        or_report(kbd_parser3.report);
+        or_report(kbd_parser4.report);
+
+        matrix_is_mod = true;
+
+        dprintf("state:  %02X %02X", keyboard_report.mods, keyboard_report.reserved);
+        for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+            dprintf(" %02X", keyboard_report.keys[i]);
+        }
+        dprint("\r\n");
+    } else {
+        matrix_is_mod = false;
+    }
+
+    uint16_t timer;
+    timer = timer_read();
+    usb_host.Task();
+    timer = timer_elapsed(timer);
+    if (timer > 100) {
+        dprintf("host.Task: %d\n", timer);
+    }
+
+    static uint8_t usb_state = 0;
+    if (usb_state != usb_host.getUsbTaskState()) {
+        usb_state = usb_host.getUsbTaskState();
+        dprintf("usb_state: %02X\n", usb_state);
+
+        // restore LED state when keyboard comes up
+        if (usb_state == USB_STATE_RUNNING) {
+            dprintf("speed: %s\n", usb_host.getVbusState()==FSHOST ? "full" : "low");
+            keyboard_set_leds(host_keyboard_leds());
+        }
+    }
+    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 (keyboard_report.mods & ROW_BITS(code)) {
+            return true;
+        }
+    }
+    for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (keyboard_report.keys[i] == code) {
+            return true;
+        }
+    }
+    return false;
+}
+
+matrix_row_t matrix_get_row(uint8_t row) {
+    uint16_t row_bits = 0;
+
+    if (IS_MOD(CODE(row, 0)) && keyboard_report.mods) {
+        row_bits |= keyboard_report.mods;
+    }
+
+    for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (IS_ANY(keyboard_report.keys[i])) {
+            if (row == ROW(keyboard_report.keys[i])) {
+                row_bits |= ROW_BITS(keyboard_report.keys[i]);
+            }
+        }
+    }
+    return row_bits;
+}
+
+uint8_t matrix_key_count(void) {
+    uint8_t count = 0;
+
+    count += bitpop(keyboard_report.mods);
+    for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (IS_ANY(keyboard_report.keys[i])) {
+            count++;
+        }
+    }
+    return count;
+}
+
+void matrix_print(void) {
+    print("\nr/c 0123456789ABCDEF\n");
+    for (uint8_t row = 0; row < matrix_rows(); row++) {
+        xprintf("%02d: ", row);
+        print_bin_reverse16(matrix_get_row(row));
+        print("\n");
+    }
+}
+
+void led_set(uint8_t usb_led)
+{
+    kbd1.SetReport(0, 0, 2, 0, 1, &usb_led);
+    kbd2.SetReport(0, 0, 2, 0, 1, &usb_led);
+    kbd3.SetReport(0, 0, 2, 0, 1, &usb_led);
+    kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);
+}