diff options
author | tmk <nobody@nowhere> | 2012-09-04 14:24:52 +0900 |
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committer | tmk <nobody@nowhere> | 2012-09-04 14:24:52 +0900 |
commit | dc79a8521946a3a2e5b86945b8043b87a8b8d78c (patch) | |
tree | 737827112555c00a7f2ebbb88e61079c460be71a /converter/usb_usb/matrix.c | |
parent | 7350b7c6aa300a234244c264b10d1732803c27df (diff) | |
parent | 232ab308e358e41f3253d66fa009c1ebca0951a2 (diff) |
Merge branch 'usb_hid'
Diffstat (limited to 'converter/usb_usb/matrix.c')
-rw-r--r-- | converter/usb_usb/matrix.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/converter/usb_usb/matrix.c b/converter/usb_usb/matrix.c new file mode 100644 index 0000000000..1cfecde203 --- /dev/null +++ b/converter/usb_usb/matrix.c @@ -0,0 +1,133 @@ +/* +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 "usb_keycodes.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 < 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 < 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 < 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"); + } +} |