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Diffstat (limited to 'keyboards/converter/usb_usb/matrix.cpp')
-rw-r--r--keyboards/converter/usb_usb/matrix.cpp234
1 files changed, 234 insertions, 0 deletions
diff --git a/keyboards/converter/usb_usb/matrix.cpp b/keyboards/converter/usb_usb/matrix.cpp
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+++ b/keyboards/converter/usb_usb/matrix.cpp
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+/*
+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);
+}