From afb08462085132acf7a1962522952f7dbf064519 Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 8 Jun 2012 00:37:46 +0900 Subject: Made directories for keyboard and converter projects. --- ps2_usb/matrix.c | 452 ------------------------------------------------------- 1 file changed, 452 deletions(-) delete mode 100644 ps2_usb/matrix.c (limited to 'ps2_usb/matrix.c') diff --git a/ps2_usb/matrix.c b/ps2_usb/matrix.c deleted file mode 100644 index 4187ea060..000000000 --- a/ps2_usb/matrix.c +++ /dev/null @@ -1,452 +0,0 @@ -/* -Copyright 2011 Jun Wako - -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 . -*/ - -#include -#include -#include -#include -#include "print.h" -#include "util.h" -#include "debug.h" -#include "ps2.h" -#include "matrix.h" - - -static void matrix_make(uint8_t code); -static void matrix_break(uint8_t code); -#ifdef MATRIX_HAS_GHOST -static bool matrix_has_ghost_in_row(uint8_t row); -#endif - - -/* - * Matrix Array usage: - * 'Scan Code Set 2' is assigned into 256(32x8)cell matrix. - * Hmm, it is very sparse and not efficient :( - * - * Notes: - * Both 'Hanguel/English'(F1) and 'Hanja'(F2) collide with 'Delete'(E0 71) and 'Down'(E0 72). - * These two Korean keys need exceptional handling and are not supported for now. Sorry. - * - * 8bit wide - * +---------+ - * 0| | - * :| XX | 00-7F for normal codes(without E0-prefix) - * f|_________| - * 10| | - * :| E0 YY | 80-FF for E0-prefixed codes - * 1f| | (|0x80) is used as matrix position. - * +---------+ - * - * Exceptions: - * 0x83: F7(0x83) This is a normal code but beyond 0x7F. - * 0xFC: PrintScreen - * 0xFE: Pause - */ -static uint8_t matrix[MATRIX_ROWS]; -#define ROW(code) (code>>3) -#define COL(code) (code&0x07) - -// matrix positions for exceptional keys -#define F7 (0x83) -#define PRINT_SCREEN (0xFC) -#define PAUSE (0xFE) - -static bool is_modified = false; - - -inline -uint8_t matrix_rows(void) -{ - return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) -{ - return MATRIX_COLS; -} - -void matrix_init(void) -{ - ps2_host_init(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; - - return; -} - -/* - * PS/2 Scan Code Set 2: Exceptional Handling - * - * There are several keys to be handled exceptionally. - * The scan code for these keys are varied or prefix/postfix'd - * depending on modifier key state. - * - * Keyboard Scan Code Specification: - * http://www.microsoft.com/whdc/archive/scancode.mspx - * http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc - * - * - * 1) Insert, Delete, Home, End, PageUp, PageDown, Up, Down, Right, Left - * a) when Num Lock is off - * modifiers | make | break - * ----------+---------------------------+---------------------- - * Ohter | | - * LShift | E0 F0 12 | E0 12 - * RShift | E0 F0 59 | E0 59 - * L+RShift | E0 F0 12 E0 F0 59 | E0 59 E0 12 - * - * b) when Num Lock is on - * modifiers | make | break - * ----------+---------------------------+---------------------- - * Other | E0 12 | E0 F0 12 - * Shift'd | | - * - * Handling: These prefix/postfix codes are ignored. - * - * - * 2) Keypad / - * modifiers | make | break - * ----------+---------------------------+---------------------- - * Ohter | | - * LShift | E0 F0 12 | E0 12 - * RShift | E0 F0 59 | E0 59 - * L+RShift | E0 F0 12 E0 F0 59 | E0 59 E0 12 - * - * Handling: These prefix/postfix codes are ignored. - * - * - * 3) PrintScreen - * modifiers | make | break - * ----------+--------------+----------------------------------- - * Other | E0 12 E0 7C | E0 F0 7C E0 F0 12 - * Shift'd | E0 7C | E0 F0 7C - * Control'd | E0 7C | E0 F0 7C - * Alt'd | 84 | F0 84 - * - * Handling: These prefix/postfix codes are ignored, and both scan codes - * 'E0 7C' and 84 are seen as PrintScreen. - * - * 4) Pause - * modifiers | make(no break code) - * ----------+-------------------------------------------------- - * Other | E1 14 77 E1 F0 14 F0 77 - * Control'd | E0 7E E0 F0 7E - * - * Handling: Both code sequences are treated as a whole. - * And we need a ad hoc 'pseudo break code' hack to get the key off - * because it has no break code. - * - */ -uint8_t matrix_scan(void) -{ - - // scan code reading states - static enum { - INIT, - F0, - E0, - E0_F0, - // Pause - E1, - E1_14, - E1_14_77, - E1_14_77_E1, - E1_14_77_E1_F0, - E1_14_77_E1_F0_14, - E1_14_77_E1_F0_14_F0, - // Control'd Pause - E0_7E, - E0_7E_E0, - E0_7E_E0_F0, - } state = INIT; - - - is_modified = false; - - // 'pseudo break code' hack - if (matrix_is_on(ROW(PAUSE), COL(PAUSE))) { - matrix_break(PAUSE); - } - - uint8_t code; - while ((code = ps2_host_recv())) { - switch (state) { - case INIT: - switch (code) { - case 0xE0: - state = E0; - break; - case 0xF0: - state = F0; - break; - case 0xE1: - state = E1; - break; - case 0x83: // F7 - matrix_make(F7); - state = INIT; - break; - case 0x84: // Alt'd PrintScreen - matrix_make(PRINT_SCREEN); - state = INIT; - break; - default: // normal key make - if (code < 0x80) { - matrix_make(code); - } else { - debug("unexpected scan code at INIT: "); debug_hex(code); debug("\n"); - } - state = INIT; - } - break; - case E0: // E0-Prefixed - switch (code) { - case 0x12: // to be ignored - case 0x59: // to be ignored - state = INIT; - break; - case 0x7E: // Control'd Pause - state = E0_7E; - break; - case 0xF0: - state = E0_F0; - break; - default: - if (code < 0x80) { - matrix_make(code|0x80); - } else { - debug("unexpected scan code at E0: "); debug_hex(code); debug("\n"); - } - state = INIT; - } - break; - case F0: // Break code - switch (code) { - case 0x83: // F7 - matrix_break(F7); - state = INIT; - break; - case 0x84: // Alt'd PrintScreen - matrix_break(PRINT_SCREEN); - state = INIT; - break; - default: - if (code < 0x80) { - matrix_break(code); - } else { - debug("unexpected scan code at F0: "); debug_hex(code); debug("\n"); - } - state = INIT; - } - break; - case E0_F0: // Break code of E0-prefixed - switch (code) { - case 0x12: // to be ignored - case 0x59: // to be ignored - state = INIT; - break; - default: - if (code < 0x80) { - matrix_break(code|0x80); - } else { - debug("unexpected scan code at E0_F0: "); debug_hex(code); debug("\n"); - } - state = INIT; - } - break; - // following are states of Pause - case E1: - switch (code) { - case 0x14: - state = E1_14; - break; - default: - state = INIT; - } - break; - case E1_14: - switch (code) { - case 0x77: - state = E1_14_77; - break; - default: - state = INIT; - } - break; - case E1_14_77: - switch (code) { - case 0xE1: - state = E1_14_77_E1; - break; - default: - state = INIT; - } - break; - case E1_14_77_E1: - switch (code) { - case 0xF0: - state = E1_14_77_E1_F0; - break; - default: - state = INIT; - } - break; - case E1_14_77_E1_F0: - switch (code) { - case 0x14: - state = E1_14_77_E1_F0_14; - break; - default: - state = INIT; - } - break; - case E1_14_77_E1_F0_14: - switch (code) { - case 0xF0: - state = E1_14_77_E1_F0_14_F0; - break; - default: - state = INIT; - } - break; - case E1_14_77_E1_F0_14_F0: - switch (code) { - case 0x77: - matrix_make(PAUSE); - state = INIT; - break; - default: - state = INIT; - } - break; - // Following are states of Control'd Pause - case E0_7E: - if (code == 0xE0) - state = E0_7E_E0; - else - state = INIT; - break; - case E0_7E_E0: - if (code == 0xF0) - state = E0_7E_E0_F0; - else - state = INIT; - break; - case E0_7E_E0_F0: - if (code == 0x7E) - matrix_make(PAUSE); - state = INIT; - break; - default: - state = INIT; - } - phex(code); - } - return 1; -} - -bool matrix_is_modified(void) -{ - return 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<