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/>.
44 * HID keycode(1 byte):
45 * Higher 5 bits indicates ROW and lower 3 bits COL.
52 * Matrix space(16 * 16):
54 * 0 +----------------+
57 * 16 +----------------+
61 #define CODE(row, col) (((row) << 4) | (col))
62 #define ROW(code) (((code) & ROW_MASK) >> 4)
63 #define COL(code) ((code) & COL_MASK)
64 #define ROW_BITS(code) (1 << COL(code))
67 // Integrated key state of all keyboards
68 static report_keyboard_t local_keyboard_report;
70 static bool matrix_is_mod = false;
73 * USB Host Shield HID keyboards
74 * This supports two cascaded hubs and four keyboards
77 USBHub hub1(&usb_host);
78 USBHub hub2(&usb_host);
79 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd1(&usb_host);
80 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd2(&usb_host);
81 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd3(&usb_host);
82 HIDBoot<HID_PROTOCOL_KEYBOARD> kbd4(&usb_host);
83 KBDReportParser kbd_parser1;
84 KBDReportParser kbd_parser2;
85 KBDReportParser kbd_parser3;
86 KBDReportParser kbd_parser4;
91 uint8_t matrix_rows(void) { return MATRIX_ROWS; }
92 uint8_t matrix_cols(void) { return MATRIX_COLS; }
93 bool matrix_has_ghost(void) { return false; }
94 void matrix_init(void) {
95 // USB Host Shield setup
97 kbd1.SetReportParser(0, (HIDReportParser*)&kbd_parser1);
98 kbd2.SetReportParser(0, (HIDReportParser*)&kbd_parser2);
99 kbd3.SetReportParser(0, (HIDReportParser*)&kbd_parser3);
100 kbd4.SetReportParser(0, (HIDReportParser*)&kbd_parser4);
103 static void or_report(report_keyboard_t report) {
104 // integrate reports into local_keyboard_report
105 local_keyboard_report.mods |= report.mods;
106 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
107 if (IS_ANY(report.keys[i])) {
108 for (uint8_t j = 0; j < KEYBOARD_REPORT_KEYS; j++) {
109 if (! local_keyboard_report.keys[j]) {
110 local_keyboard_report.keys[j] = report.keys[i];
118 uint8_t matrix_scan(void) {
119 static uint16_t last_time_stamp1 = 0;
120 static uint16_t last_time_stamp2 = 0;
121 static uint16_t last_time_stamp3 = 0;
122 static uint16_t last_time_stamp4 = 0;
124 // check report came from keyboards
125 if (kbd_parser1.time_stamp != last_time_stamp1 ||
126 kbd_parser2.time_stamp != last_time_stamp2 ||
127 kbd_parser3.time_stamp != last_time_stamp3 ||
128 kbd_parser4.time_stamp != last_time_stamp4) {
130 last_time_stamp1 = kbd_parser1.time_stamp;
131 last_time_stamp2 = kbd_parser2.time_stamp;
132 last_time_stamp3 = kbd_parser3.time_stamp;
133 last_time_stamp4 = kbd_parser4.time_stamp;
135 // clear and integrate all reports
136 local_keyboard_report = {};
137 or_report(kbd_parser1.report);
138 or_report(kbd_parser2.report);
139 or_report(kbd_parser3.report);
140 or_report(kbd_parser4.report);
142 matrix_is_mod = true;
144 dprintf("state: %02X %02X", local_keyboard_report.mods, local_keyboard_report.reserved);
145 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
146 dprintf(" %02X", local_keyboard_report.keys[i]);
150 matrix_is_mod = false;
154 timer = timer_read();
156 timer = timer_elapsed(timer);
158 dprintf("host.Task: %d\n", timer);
161 static uint8_t usb_state = 0;
162 if (usb_state != usb_host.getUsbTaskState()) {
163 usb_state = usb_host.getUsbTaskState();
164 dprintf("usb_state: %02X\n", usb_state);
166 // restore LED state when keyboard comes up
167 if (usb_state == USB_STATE_RUNNING) {
168 dprintf("speed: %s\n", usb_host.getVbusState()==FSHOST ? "full" : "low");
169 keyboard_set_leds(host_keyboard_leds());
175 bool matrix_is_modified(void) {
176 return matrix_is_mod;
179 bool matrix_is_on(uint8_t row, uint8_t col) {
180 uint8_t code = CODE(row, col);
183 if (local_keyboard_report.mods & ROW_BITS(code)) {
187 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
188 if (local_keyboard_report.keys[i] == code) {
195 matrix_row_t matrix_get_row(uint8_t row) {
196 uint16_t row_bits = 0;
198 if (IS_MOD(CODE(row, 0)) && local_keyboard_report.mods) {
199 row_bits |= local_keyboard_report.mods;
202 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
203 if (IS_ANY(local_keyboard_report.keys[i])) {
204 if (row == ROW(local_keyboard_report.keys[i])) {
205 row_bits |= ROW_BITS(local_keyboard_report.keys[i]);
212 uint8_t matrix_key_count(void) {
215 count += bitpop(local_keyboard_report.mods);
216 for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
217 if (IS_ANY(local_keyboard_report.keys[i])) {
224 void matrix_print(void) {
225 print("\nr/c 0123456789ABCDEF\n");
226 for (uint8_t row = 0; row < matrix_rows(); row++) {
227 xprintf("%02d: ", row);
228 print_bin_reverse16(matrix_get_row(row));
233 void led_set(uint8_t usb_led)
235 kbd1.SetReport(0, 0, 2, 0, 1, &usb_led);
236 kbd2.SetReport(0, 0, 2, 0, 1, &usb_led);
237 kbd3.SetReport(0, 0, 2, 0, 1, &usb_led);
238 kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);