239 lines
6.9 KiB
C++
239 lines
6.9 KiB
C++
/*
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Copyright 2016 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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// USB HID host
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#include "Usb.h"
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#include "usbhub.h"
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#include "hid.h"
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#include "hidboot.h"
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#include "parser.h"
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#include "keycode.h"
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#include "util.h"
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#include "print.h"
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#include "debug.h"
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#include "timer.h"
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#include "matrix.h"
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#include "led.h"
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#include "host.h"
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#include "keyboard.h"
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/* KEY CODE to Matrix
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*
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* HID keycode(1 byte):
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* Higher 5 bits indicates ROW and lower 3 bits COL.
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*
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* 7 6 5 4 3 2 1 0
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* +---------------+
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* | ROW | COL |
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* +---------------+
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*
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* Matrix space(16 * 16):
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* r\c0123456789ABCDEF
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* 0 +----------------+
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* : | |
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* : | |
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* 16 +----------------+
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*/
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#define ROW_MASK 0xF0
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#define COL_MASK 0x0F
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#define CODE(row, col) (((row) << 4) | (col))
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#define ROW(code) (((code) & ROW_MASK) >> 4)
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#define COL(code) ((code) & COL_MASK)
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#define ROW_BITS(code) (1 << COL(code))
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// Integrated key state of all keyboards
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static report_keyboard_t keyboard_report;
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static bool matrix_is_mod = false;
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/*
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* USB Host Shield HID keyboards
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* This supports two cascaded hubs and four keyboards
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*/
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USB usb_host;
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USBHub hub1(&usb_host);
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USBHub hub2(&usb_host);
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HIDBoot<HID_PROTOCOL_KEYBOARD> kbd1(&usb_host);
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HIDBoot<HID_PROTOCOL_KEYBOARD> kbd2(&usb_host);
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HIDBoot<HID_PROTOCOL_KEYBOARD> kbd3(&usb_host);
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HIDBoot<HID_PROTOCOL_KEYBOARD> kbd4(&usb_host);
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KBDReportParser kbd_parser1;
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KBDReportParser kbd_parser2;
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KBDReportParser kbd_parser3;
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KBDReportParser kbd_parser4;
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extern "C"
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{
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uint8_t matrix_rows(void) { return MATRIX_ROWS; }
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uint8_t matrix_cols(void) { return MATRIX_COLS; }
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bool matrix_has_ghost(void) { return false; }
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void matrix_init(void) {
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// USB Host Shield setup
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usb_host.Init();
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kbd1.SetReportParser(0, (HIDReportParser*)&kbd_parser1);
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kbd2.SetReportParser(0, (HIDReportParser*)&kbd_parser2);
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kbd3.SetReportParser(0, (HIDReportParser*)&kbd_parser3);
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kbd4.SetReportParser(0, (HIDReportParser*)&kbd_parser4);
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}
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static void or_report(report_keyboard_t report) {
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// integrate reports into keyboard_report
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keyboard_report.mods |= report.mods;
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (IS_ANY(report.keys[i])) {
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for (uint8_t j = 0; j < KEYBOARD_REPORT_KEYS; j++) {
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if (! keyboard_report.keys[j]) {
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keyboard_report.keys[j] = report.keys[i];
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break;
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}
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}
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}
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}
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}
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uint8_t matrix_scan(void) {
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static uint16_t last_time_stamp1 = 0;
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static uint16_t last_time_stamp2 = 0;
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static uint16_t last_time_stamp3 = 0;
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static uint16_t last_time_stamp4 = 0;
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// check report came from keyboards
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if (kbd_parser1.time_stamp != last_time_stamp1 ||
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kbd_parser2.time_stamp != last_time_stamp2 ||
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kbd_parser3.time_stamp != last_time_stamp3 ||
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kbd_parser4.time_stamp != last_time_stamp4) {
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last_time_stamp1 = kbd_parser1.time_stamp;
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last_time_stamp2 = kbd_parser2.time_stamp;
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last_time_stamp3 = kbd_parser3.time_stamp;
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last_time_stamp4 = kbd_parser4.time_stamp;
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// clear and integrate all reports
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keyboard_report = {};
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or_report(kbd_parser1.report);
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or_report(kbd_parser2.report);
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or_report(kbd_parser3.report);
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or_report(kbd_parser4.report);
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matrix_is_mod = true;
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dprintf("state: %02X %02X", keyboard_report.mods, keyboard_report.reserved);
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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dprintf(" %02X", keyboard_report.keys[i]);
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}
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dprint("\r\n");
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} else {
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matrix_is_mod = false;
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}
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uint16_t timer;
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timer = timer_read();
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usb_host.Task();
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timer = timer_elapsed(timer);
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if (timer > 100) {
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dprintf("host.Task: %d\n", timer);
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}
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static uint8_t usb_state = 0;
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if (usb_state != usb_host.getUsbTaskState()) {
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usb_state = usb_host.getUsbTaskState();
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dprintf("usb_state: %02X\n", usb_state);
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// restore LED state when keyboard comes up
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if (usb_state == USB_STATE_RUNNING) {
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dprintf("speed: %s\n", usb_host.getVbusState()==FSHOST ? "full" : "low");
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keyboard_set_leds(host_keyboard_leds());
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}
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}
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return 1;
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}
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bool matrix_is_modified(void) {
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return matrix_is_mod;
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}
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bool matrix_is_on(uint8_t row, uint8_t col) {
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uint8_t code = CODE(row, col);
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if (IS_MOD(code)) {
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if (keyboard_report.mods & ROW_BITS(code)) {
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return true;
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}
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}
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (keyboard_report.keys[i] == code) {
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return true;
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}
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}
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return false;
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}
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matrix_row_t matrix_get_row(uint8_t row) {
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uint16_t row_bits = 0;
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if (IS_MOD(CODE(row, 0)) && keyboard_report.mods) {
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row_bits |= keyboard_report.mods;
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}
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (IS_ANY(keyboard_report.keys[i])) {
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if (row == ROW(keyboard_report.keys[i])) {
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row_bits |= ROW_BITS(keyboard_report.keys[i]);
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}
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}
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}
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return row_bits;
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}
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uint8_t matrix_key_count(void) {
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uint8_t count = 0;
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count += bitpop(keyboard_report.mods);
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
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if (IS_ANY(keyboard_report.keys[i])) {
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count++;
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}
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}
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return count;
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}
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void matrix_print(void) {
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print("\nr/c 0123456789ABCDEF\n");
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for (uint8_t row = 0; row < matrix_rows(); row++) {
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xprintf("%02d: ", row);
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print_bin_reverse16(matrix_get_row(row));
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print("\n");
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}
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}
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void led_set(uint8_t usb_led)
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{
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kbd1.SetReport(0, 0, 2, 0, 1, &usb_led);
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kbd2.SetReport(0, 0, 2, 0, 1, &usb_led);
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kbd3.SetReport(0, 0, 2, 0, 1, &usb_led);
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kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);
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}
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};
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