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
);