diff options
Diffstat (limited to 'converter/pc98_usb/matrix.c')
| -rw-r--r-- | converter/pc98_usb/matrix.c | 211 |
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 8833e0a851..0000000000 --- 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; -} |