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/>.
39 * HID keycode(1 byte):
40 * Higher 5 bits indicates ROW and lower 3 bits COL.
47 * Matrix space(16 * 16):
49 * 0 +----------------+
52 * 16 +----------------+
56 #define CODE(row, col) (((row) << 4) | (col))
57 #define ROW(code) (((code) & ROW_MASK) >> 4)
58 #define COL(code) ((code) & COL_MASK)
59 #define ROW_BITS(code) (1 << COL(code))
62 // Integrated key state of all keyboards
63 static report_keyboard_t keyboard_report
;
65 static bool matrix_is_mod
=false;
68 * USB Host Shield HID keyboards
69 * This supports two cascaded hubs and four keyboards
72 USBHub
hub1(&usb_host
);
73 USBHub
hub2(&usb_host
);
74 HIDBoot
<HID_PROTOCOL_KEYBOARD
> kbd1(&usb_host
);
75 HIDBoot
<HID_PROTOCOL_KEYBOARD
> kbd2(&usb_host
);
76 HIDBoot
<HID_PROTOCOL_KEYBOARD
> kbd3(&usb_host
);
77 HIDBoot
<HID_PROTOCOL_KEYBOARD
> kbd4(&usb_host
);
78 KBDReportParser kbd_parser1
;
79 KBDReportParser kbd_parser2
;
80 KBDReportParser kbd_parser3
;
81 KBDReportParser kbd_parser4
;
84 uint8_t matrix_rows(void) { return MATRIX_ROWS
; }
85 uint8_t matrix_cols(void) { return MATRIX_COLS
; }
86 bool matrix_has_ghost(void) { return false; }
87 void matrix_init(void) {
88 // USB Host Shield setup
90 kbd1
.SetReportParser(0, (HIDReportParser
*)&kbd_parser1
);
91 kbd2
.SetReportParser(0, (HIDReportParser
*)&kbd_parser2
);
92 kbd3
.SetReportParser(0, (HIDReportParser
*)&kbd_parser3
);
93 kbd4
.SetReportParser(0, (HIDReportParser
*)&kbd_parser4
);
96 static void or_report(report_keyboard_t report
) {
97 // integrate reports into keyboard_report
98 keyboard_report
.mods
|= report
.mods
;
99 for (uint8_t i
= 0; i
< KEYBOARD_REPORT_KEYS
; i
++) {
100 if (IS_ANY(report
.keys
[i
])) {
101 for (uint8_t j
= 0; j
< KEYBOARD_REPORT_KEYS
; j
++) {
102 if (! keyboard_report
.keys
[j
]) {
103 keyboard_report
.keys
[j
] = report
.keys
[i
];
111 uint8_t matrix_scan(void) {
112 static uint16_t last_time_stamp1
= 0;
113 static uint16_t last_time_stamp2
= 0;
114 static uint16_t last_time_stamp3
= 0;
115 static uint16_t last_time_stamp4
= 0;
117 // check report came from keyboards
118 if (kbd_parser1
.time_stamp
!= last_time_stamp1
||
119 kbd_parser2
.time_stamp
!= last_time_stamp2
||
120 kbd_parser3
.time_stamp
!= last_time_stamp3
||
121 kbd_parser4
.time_stamp
!= last_time_stamp4
) {
123 last_time_stamp1
= kbd_parser1
.time_stamp
;
124 last_time_stamp2
= kbd_parser2
.time_stamp
;
125 last_time_stamp3
= kbd_parser3
.time_stamp
;
126 last_time_stamp4
= kbd_parser4
.time_stamp
;
128 // clear and integrate all reports
129 keyboard_report
= {};
130 or_report(kbd_parser1
.report
);
131 or_report(kbd_parser2
.report
);
132 or_report(kbd_parser3
.report
);
133 or_report(kbd_parser4
.report
);
135 matrix_is_mod
= true;
137 dprintf("state: %02X %02X", keyboard_report
.mods
, keyboard_report
.reserved
);
138 for (uint8_t i
= 0; i
< KEYBOARD_REPORT_KEYS
; i
++) {
139 dprintf(" %02X", keyboard_report
.keys
[i
]);
143 matrix_is_mod
= false;
147 timer
= timer_read();
149 timer
= timer_elapsed(timer
);
151 dprintf("host.Task: %d\n", timer
);
157 bool matrix_is_modified(void) {
158 return matrix_is_mod
;
161 bool matrix_is_on(uint8_t row
, uint8_t col
) {
162 uint8_t code
= CODE(row
, col
);
165 if (keyboard_report
.mods
& ROW_BITS(code
)) {
169 for (uint8_t i
= 0; i
< KEYBOARD_REPORT_KEYS
; i
++) {
170 if (keyboard_report
.keys
[i
] == code
) {
177 matrix_row_t
matrix_get_row(uint8_t row
) {
178 uint16_t row_bits
= 0;
180 if (IS_MOD(CODE(row
, 0)) && keyboard_report
.mods
) {
181 row_bits
|= keyboard_report
.mods
;
184 for (uint8_t i
= 0; i
< KEYBOARD_REPORT_KEYS
; i
++) {
185 if (IS_ANY(keyboard_report
.keys
[i
])) {
186 if (row
== ROW(keyboard_report
.keys
[i
])) {
187 row_bits
|= ROW_BITS(keyboard_report
.keys
[i
]);
194 uint8_t matrix_key_count(void) {
197 count
+= bitpop(keyboard_report
.mods
);
198 for (uint8_t i
= 0; i
< KEYBOARD_REPORT_KEYS
; i
++) {
199 if (IS_ANY(keyboard_report
.keys
[i
])) {
206 void matrix_print(void) {
207 print("\nr/c 0123456789ABCDEF\n");
208 for (uint8_t row
= 0; row
< matrix_rows(); row
++) {
209 xprintf("%02d: ", row
);
210 print_bin_reverse16(matrix_get_row(row
));
215 void led_set(uint8_t usb_led
)
217 kbd1
.SetReport(0, 0, 2, 0, 1, &usb_led
);
218 kbd2
.SetReport(0, 0, 2, 0, 1, &usb_led
);
219 kbd3
.SetReport(0, 0, 2, 0, 1, &usb_led
);
220 kbd4
.SetReport(0, 0, 2, 0, 1, &usb_led
);