/* 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"); } }