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/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include "usb_hid.h"
#include "keycode.h"
#include "util.h"
#include "print.h"
#include "debug.h"
#include "matrix.h"
/* KEY CODE to Matrix
*
* HID keycode(1 byte):
* Higher 5 bits indicates ROW and lower 3 bits COL.
*
* 7 6 5 4 3 2 1 0
* +---------------+
* | ROW | COL |
* +---------------+
*
* Matrix space(32 * 8):
* 01234567
* 0 +--------+
* : | |
* : | |
* 31 +--------+
*/
#define ROW_MASK 0xF8
#define COL_MASK 0x07
#define CODE(row, col) (((row) << 3) | (col))
#define ROW(code) (((code) & ROW_MASK) >> 3)
#define COL(code) ((code) & COL_MASK)
#define ROW_BITS(code) (1 << COL(code))
uint8_t matrix_rows(void) { return MATRIX_ROWS; }
uint8_t matrix_cols(void) { return MATRIX_COLS; }
void matrix_init(void) {}
bool matrix_has_ghost(void) { return false; }
static bool matrix_is_mod =false;
uint8_t matrix_scan(void) {
static uint16_t last_time_stamp = 0;
if (last_time_stamp != usb_hid_time_stamp) {
last_time_stamp = usb_hid_time_stamp;
matrix_is_mod = true;
} else {
matrix_is_mod = false;
}
return 1;
}
bool matrix_is_modified(void) {
return matrix_is_mod;
}
bool matrix_is_on(uint8_t row, uint8_t col) {
uint8_t code = CODE(row, col);
if (IS_MOD(code)) {
if (usb_hid_keyboard_report.mods & ROW_BITS(code)) {
return true;
}
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (usb_hid_keyboard_report.keys[i] == code) {
return true;
}
}
return false;
}
uint8_t matrix_get_row(uint8_t row) {
uint8_t row_bits = 0;
if (IS_MOD(CODE(row, 0)) && usb_hid_keyboard_report.mods) {
row_bits |= usb_hid_keyboard_report.mods;
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
if (row == ROW(usb_hid_keyboard_report.keys[i])) {
row_bits |= ROW_BITS(usb_hid_keyboard_report.keys[i]);
}
}
}
return row_bits;
}
uint8_t matrix_key_count(void) {
uint8_t count = 0;
count += bitpop(usb_hid_keyboard_report.mods);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
count++;
}
}
return count;
}
void matrix_print(void) {
print("\nr/c 01234567\n");
for (uint8_t row = 0; row < matrix_rows(); row++) {
phex(row); print(": ");
pbin_reverse(matrix_get_row(row));
#ifdef MATRIX_HAS_GHOST
if (matrix_has_ghost_in_row(row)) {
print(" <ghost");
}
#endif
print("\n");
}
}
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