2 Copyright 2016 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
41 * HID keycode(1 byte):
42 * Higher 5 bits indicates ROW and lower 3 bits COL.
49 * Matrix space(16 * 16):
51 * 0 +----------------+
54 * 16 +----------------+
58 #define CODE(row, col) (((row) << 4) | (col))
59 #define ROW(code) (((code) & ROW_MASK) >> 4)
60 #define COL(code) ((code) & COL_MASK)
61 #define ROW_BITS(code) (1 << COL(code))
64 // Integrated key state of all keyboards
65 static report_keyboard_t keyboard_report;
67 static bool matrix_is_mod =false;
70 * USB Host Shield HID keyboards
71 * This supports two cascaded hubs and four keyboards
74 USBHub hub1(&usb_host);
75 USBHub hub2(&usb_host);
76 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd1(&usb_host);
77 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd2(&usb_host);
78 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd3(&usb_host);
79 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd4(&usb_host);
80 KBDReportParser kbd_parser1;
81 KBDReportParser kbd_parser2;
82 KBDReportParser kbd_parser3;
83 KBDReportParser kbd_parser4;
86 uint8_t matrix_rows(void) { return MATRIX_ROWS; }
87 uint8_t matrix_cols(void) { return MATRIX_COLS; }
88 bool matrix_has_ghost(void) { return false; }
89 void matrix_init(void) {
90 // USB Host Shield setup
92 kbd1.SetReportParser(0, (HIDReportParser*)&kbd_parser1);
93 kbd2.SetReportParser(0, (HIDReportParser*)&kbd_parser2);
94 kbd3.SetReportParser(0, (HIDReportParser*)&kbd_parser3);
95 kbd4.SetReportParser(0, (HIDReportParser*)&kbd_parser4);
98 static void or_report(report_keyboard_t report) {
99 // integrate reports into keyboard_report
100 keyboard_report.mods |= report.mods;
101 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
102 if (IS_ANY(report.keys[i])) {
103 for (uint8_t j = 0; j < KEYBOARD_REPORT_KEYS; j++) {
104 if (! keyboard_report.keys[j]) {
105 keyboard_report.keys[j] = report.keys[i];
113 uint8_t matrix_scan(void) {
114 static uint16_t last_time_stamp1 = 0;
115 static uint16_t last_time_stamp2 = 0;
116 static uint16_t last_time_stamp3 = 0;
117 static uint16_t last_time_stamp4 = 0;
119 // check report came from keyboards
120 if (kbd_parser1.time_stamp != last_time_stamp1 ||
121 kbd_parser2.time_stamp != last_time_stamp2 ||
122 kbd_parser3.time_stamp != last_time_stamp3 ||
123 kbd_parser4.time_stamp != last_time_stamp4) {
125 last_time_stamp1 = kbd_parser1.time_stamp;
126 last_time_stamp2 = kbd_parser2.time_stamp;
127 last_time_stamp3 = kbd_parser3.time_stamp;
128 last_time_stamp4 = kbd_parser4.time_stamp;
130 // clear and integrate all reports
131 keyboard_report = {};
132 or_report(kbd_parser1.report);
133 or_report(kbd_parser2.report);
134 or_report(kbd_parser3.report);
135 or_report(kbd_parser4.report);
137 matrix_is_mod = true;
139 dprintf("state: %02X %02X", keyboard_report.mods, keyboard_report.reserved);
140 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
141 dprintf(" %02X", keyboard_report.keys[i]);
145 matrix_is_mod = false;
149 timer = timer_read();
151 timer = timer_elapsed(timer);
153 dprintf("host.Task: %d\n", timer);
156 static uint8_t usb_state = 0;
157 if (usb_state != usb_host.getUsbTaskState()) {
158 usb_state = usb_host.getUsbTaskState();
159 dprintf("usb_state: %02X\n", usb_state);
161 // restore LED state when keyboard comes up
162 if (usb_state == USB_STATE_RUNNING) {
163 keyboard_set_leds(host_keyboard_leds());
169 bool matrix_is_modified(void) {
170 return matrix_is_mod;
173 bool matrix_is_on(uint8_t row, uint8_t col) {
174 uint8_t code = CODE(row, col);
177 if (keyboard_report.mods & ROW_BITS(code)) {
181 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
182 if (keyboard_report.keys[i] == code) {
189 matrix_row_t matrix_get_row(uint8_t row) {
190 uint16_t row_bits = 0;
192 if (IS_MOD(CODE(row, 0)) && keyboard_report.mods) {
193 row_bits |= keyboard_report.mods;
196 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
197 if (IS_ANY(keyboard_report.keys[i])) {
198 if (row == ROW(keyboard_report.keys[i])) {
199 row_bits |= ROW_BITS(keyboard_report.keys[i]);
206 uint8_t matrix_key_count(void) {
209 count += bitpop(keyboard_report.mods);
210 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
211 if (IS_ANY(keyboard_report.keys[i])) {
218 void matrix_print(void) {
219 print("\nr/c 0123456789ABCDEF\n");
220 for (uint8_t row = 0; row < matrix_rows(); row++) {
221 xprintf("%02d: ", row);
222 print_bin_reverse16(matrix_get_row(row));
227 void led_set(uint8_t usb_led)
229 kbd1.SetReport(0, 0, 2, 0, 1, &usb_led);
230 kbd2.SetReport(0, 0, 2, 0, 1, &usb_led);
231 kbd3.SetReport(0, 0, 2, 0, 1, &usb_led);
232 kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);