aboutsummaryrefslogtreecommitdiffstats
path: root/converter/pc98_usb/matrix.c
diff options
context:
space:
mode:
Diffstat (limited to 'converter/pc98_usb/matrix.c')
-rw-r--r--converter/pc98_usb/matrix.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c
deleted file mode 100644
index 8833e0a85..000000000
--- a/converter/pc98_usb/matrix.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
-Copyright 2012 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 "matrix.h"
-#include "debug.h"
-#include "protocol/serial.h"
-
-
-/*
- * Matrix Array usage:
- *
- * ROW: 16(4bits)
- * COL: 8(3bits)
- *
- * 8bit wide
- * +---------+
- * 0|00 ... 07|
- * 1|08 ... 0F|
- * :| ... |
- * :| ... |
- * E|70 ... 77|
- * F|78 ... 7F|
- * +---------+
- */
-static uint8_t matrix[MATRIX_ROWS];
-#define ROW(code) ((code>>3)&0xF)
-#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;
-}
-
-static void pc98_inhibit_repeat(void)
-{
- uint8_t code;
-
- while (serial_recv()) ;
-RETRY:
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
- _delay_ms(500);
- serial_send(0x9C);
-
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
- _delay_ms(100);
- while (!(code = serial_recv())) ;
- print("PC98: send 9C: "); print_hex8(code); print("\n");
- if (code != 0xFA) goto RETRY;
-
-
-
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
- _delay_ms(100);
- serial_send(0x70);
-
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
- _delay_ms(100);
- //code = serial_recv();
- while (!(code = serial_recv())) ;
- print("PC98: send 70: "); print_hex8(code); print("\n");
- if (code != 0xFA) goto RETRY;
-}
-
-void matrix_init(void)
-{
- PC98_RST_DDR |= (1<<PC98_RST_BIT);
- PC98_RDY_DDR |= (1<<PC98_RDY_BIT);
- PC98_RTY_DDR |= (1<<PC98_RTY_BIT);
- PC98_RST_PORT |= (1<<PC98_RST_BIT);
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
- PC98_RTY_PORT |= (1<<PC98_RTY_BIT);
-
-
- serial_init();
-
- // PC98 reset
-/*
- PC98_RST_PORT &= ~(1<<PC98_RST_BIT);
- _delay_us(15);
- PC98_RST_PORT |= (1<<PC98_RST_BIT);
- _delay_us(13);
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-*/
-
- _delay_ms(500);
- pc98_inhibit_repeat();
-
-
- // PC98 ready
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-
- debug("init\n");
- return;
-}
-
-uint8_t matrix_scan(void)
-{
- is_modified = false;
-
- uint16_t code;
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
- _delay_us(30);
- code = serial_recv2();
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
- if (code == -1) return 0;
-
-if (code == 0x60) {
- pc98_inhibit_repeat();
-
-/*
- PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
- _delay_ms(100);
- serial_send(0x96);
- PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
-*/
-
- return 0;
-}
-
- print_hex8(code); print(" ");
-
- if (code&0x80) {
- // break code
- if (matrix_is_on(ROW(code), COL(code))) {
- matrix[ROW(code)] &= ~(1<<COL(code));
- is_modified = true;
- }
- } else {
- // make code
- if (!matrix_is_on(ROW(code), COL(code))) {
- matrix[ROW(code)] |= (1<<COL(code));
- is_modified = true;
- }
- }
- return code;
-}
-
-bool matrix_is_modified(void)
-{
- return is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
- 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));
- 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;
-}