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- /*
- Copyright 2016 Jun Wako <[email protected]>
-
- 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) {
- 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);
- }
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