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authortmk2012-06-08 00:37:46 +0900
committertmk2012-06-08 13:32:38 +0900
commitafb08462085132acf7a1962522952f7dbf064519 (patch)
treebc60f28142bc36d882f5930191ba8da98a27c47c /adb_usb/matrix.c
parent63d82fcaeb78d0764f39667b937262ed4a692c17 (diff)
Made directories for keyboard and converter projects.
Diffstat (limited to 'adb_usb/matrix.c')
-rw-r--r--adb_usb/matrix.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/adb_usb/matrix.c b/adb_usb/matrix.c
deleted file mode 100644
index a2367af56..000000000
--- a/adb_usb/matrix.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
-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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "util.h"
-#include "debug.h"
-#include "host.h"
-#include "led.h"
-#include "adb.h"
-#include "matrix.h"
-
-
-#if (MATRIX_COLS > 16)
-# error "MATRIX_COLS must not exceed 16"
-#endif
-#if (MATRIX_ROWS > 255)
-# error "MATRIX_ROWS must not exceed 255"
-#endif
-
-#define CAPS 0x39
-#define CAPS_UP (CAPS | 0x80)
-#define ROW(key) ((key)>>3&0x0F)
-#define COL(key) ((key)&0x07)
-
-
-static bool _matrix_is_modified = false;
-
-// matrix state buffer(1:on, 0:off)
-#if (MATRIX_COLS <= 8)
-static uint8_t *matrix;
-static uint8_t _matrix0[MATRIX_ROWS];
-#else
-static uint16_t *matrix;
-static uint16_t _matrix0[MATRIX_ROWS];
-#endif
-
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-static void _register_key(uint8_t key);
-
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
- adb_host_init();
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
- matrix = _matrix0;
-
- print_enable = true;
- debug_enable = true;
- debug_matrix = true;
- debug_keyboard = true;
- debug_mouse = true;
- print("debug enabled.\n");
- return;
-}
-
-uint8_t matrix_scan(void)
-{
- uint16_t codes;
- uint8_t key0, key1;
-
- _matrix_is_modified = false;
- codes = adb_host_kbd_recv();
- key0 = codes>>8;
- key1 = codes&0xFF;
-
-#ifdef MATRIX_HAS_LOCKING_CAPS
- // Send Caps key up event
- if (matrix_is_on(ROW(CAPS), COL(CAPS))) {
- _matrix_is_modified = true;
- _register_key(CAPS_UP);
- }
-#endif
- if (codes == 0) { // no keys
- return 0;
- } else if (key0 == 0xFF && key1 != 0xFF) { // error
- return codes&0xFF;
- } else {
-#ifdef MATRIX_HAS_LOCKING_CAPS
- if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) {
- // Ignore LockingCaps key down event when CAPS LOCK is on
- if (key0 == CAPS && (key1 == CAPS || key1 == 0xFF)) return 0;
- if (key0 == CAPS) key0 = key1;
- if (key1 == CAPS) key1 = 0xFF;
- // Convert LockingCaps key up event into down event
- if (key0 == CAPS_UP) key0 = CAPS;
- if (key1 == CAPS_UP) key1 = CAPS;
- } else {
- // CAPS LOCK off:
- // Ignore LockingCaps key up event when CAPS LOCK is off
- if (key0 == CAPS_UP && (key1 == CAPS_UP || key1 == 0xFF)) return 0;
- if (key0 == CAPS_UP) key0 = key1;
- if (key1 == CAPS_UP) key1 = 0xFF;
- }
-#endif
- _matrix_is_modified = true;
- _register_key(key0);
- if (key1 != 0xFF) // key1 is 0xFF when no second key.
- _register_key(key1);
- }
-
- if (debug_enable) {
- print("adb_host_kbd_recv: "); phex16(codes); print("\n");
- }
- return 1;
-}
-
-bool matrix_is_modified(void)
-{
- return _matrix_is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
-#ifdef MATRIX_HAS_GHOST
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- if (matrix_has_ghost_in_row(i))
- return true;
- }
-#endif
- return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<<col));
-}
-
-inline
-#if (MATRIX_COLS <= 8)
-uint8_t matrix_get_row(uint8_t row)
-#else
-uint16_t matrix_get_row(uint8_t row)
-#endif
-{
- return matrix[row];
-}
-
-void matrix_print(void)
-{
-#if (MATRIX_COLS <= 8)
- print("\nr/c 01234567\n");
-#else
- print("\nr/c 0123456789ABCDEF\n");
-#endif
- for (uint8_t row = 0; row < matrix_rows(); row++) {
- phex(row); print(": ");
-#if (MATRIX_COLS <= 8)
- pbin_reverse(matrix_get_row(row));
-#else
- pbin_reverse16(matrix_get_row(row));
-#endif
-#ifdef MATRIX_HAS_GHOST
- if (matrix_has_ghost_in_row(row)) {
- print(" <ghost");
- }
-#endif
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-#if (MATRIX_COLS <= 8)
- count += bitpop(matrix[i]);
-#else
- count += bitpop16(matrix[i]);
-#endif
- }
- return count;
-}
-
-#ifdef MATRIX_HAS_GHOST
-inline
-static bool matrix_has_ghost_in_row(uint8_t row)
-{
- // no ghost exists in case less than 2 keys on
- if (((matrix[row] - 1) & matrix[row]) == 0)
- return false;
-
- // ghost exists in case same state as other row
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- if (i != row && (matrix[i] & matrix[row]) == matrix[row])
- return true;
- }
- return false;
-}
-#endif
-
-inline
-static void _register_key(uint8_t key)
-{
- uint8_t col, row;
- col = key&0x07;
- row = (key>>3)&0x0F;
- if (key&0x80) {
- matrix[row] &= ~(1<<col);
- } else {
- matrix[row] |= (1<<col);
- }
-}