From b36e532b5e0eef219f33075e6e60b68d104484ee Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Sat, 4 Jun 2016 00:10:47 -0400
Subject: cleans up folder structure

* consolidates docs
* deletes converter/
* updates .md references (most)
---
 converter/terminal_usb/matrix.c | 262 ----------------------------------------
 1 file changed, 262 deletions(-)
 delete mode 100644 converter/terminal_usb/matrix.c

(limited to 'converter/terminal_usb/matrix.c')

diff --git a/converter/terminal_usb/matrix.c b/converter/terminal_usb/matrix.c
deleted file mode 100644
index 36901536f..000000000
--- a/converter/terminal_usb/matrix.c
+++ /dev/null
@@ -1,262 +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/>.
-*/
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#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 3' is assigned into 17x8 cell matrix.
- *
- *    8bit wide
- *   +---------+
- *  0|         |
- *  :|         | 0x00-0x87
- *  ;|         |
- * 17|         |
- *   +---------+
- */
-static uint8_t matrix[MATRIX_ROWS];
-#define ROW(code)      (code>>3)
-#define COL(code)      (code&0x07)
-
-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)
-{
-    debug_enable = true;
-    //debug_matrix = true;
-    //debug_keyboard = true;
-    //debug_mouse = false;
-
-    ps2_host_init();
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-
-    return;
-}
-
-uint8_t matrix_scan(void)
-{
-
-    // scan code reading states
-    static enum {
-        RESET,
-        RESET_RESPONSE,
-        KBD_ID0,
-        KBD_ID1,
-        CONFIG,
-        READY,
-        F0,
-    } state = RESET;
-
-    is_modified = false;
-
-    uint8_t code;
-    if ((code = ps2_host_recv())) {
-        debug("r"); debug_hex(code); debug(" ");
-    }
-
-    switch (state) {
-        case RESET:
-            debug("wFF ");
-            if (ps2_host_send(0xFF) == 0xFA) {
-                debug("[ack]\nRESET_RESPONSE: ");
-                state = RESET_RESPONSE;
-            }
-            break;
-        case RESET_RESPONSE:
-            if (code == 0xAA) {
-                debug("[ok]\nKBD_ID: ");
-                state = KBD_ID0;
-            } else if (code) {
-                debug("err\nRESET: ");
-                state = RESET;
-            }
-            break;
-        // after reset receive keyboad ID(2 bytes)
-        case KBD_ID0:
-            if (code) {
-                state = KBD_ID1;
-            }
-            break;
-        case KBD_ID1:
-            if (code) {
-                debug("\nCONFIG: ");
-                state = CONFIG;
-            }
-            break;
-        case CONFIG:
-            debug("wF8 ");
-            if (ps2_host_send(0xF8) == 0xFA) {
-                debug("[ack]\nREADY\n");
-                state = READY;
-            }
-            break;
-        case READY:
-            switch (code) {
-                case 0x00:
-                    break;
-                case 0xF0:
-                    state = F0;
-                    debug(" ");
-                    break;
-                default:    // normal key make
-                    if (code < 0x88) {
-                        matrix_make(code);
-                    } else {
-                        debug("unexpected scan code at READY: "); debug_hex(code); debug("\n");
-                    }
-                    state = READY;
-                    debug("\n");
-            }
-            break;
-        case F0:    // Break code
-            switch (code) {
-                case 0x00:
-                    break;
-                default:
-                    if (code < 0x88) {
-                        matrix_break(code);
-                    } else {
-                        debug("unexpected scan code at F0: "); debug_hex(code); debug("\n");
-                    }
-                    state = READY;
-                    debug("\n");
-            }
-            break;
-    }
-    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<<col));
-}
-
-inline
-uint8_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-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");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop(matrix[i]);
-    }
-    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 matrix_make(uint8_t code)
-{
-    if (!matrix_is_on(ROW(code), COL(code))) {
-        matrix[ROW(code)] |= 1<<COL(code);
-        is_modified = true;
-    }
-}
-
-inline
-static void matrix_break(uint8_t code)
-{
-    if (matrix_is_on(ROW(code), COL(code))) {
-        matrix[ROW(code)] &= ~(1<<COL(code));
-        is_modified = true;
-    }
-}
-- 
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