summaryrefslogtreecommitdiff
path: root/converter/pc98_usb
diff options
context:
space:
mode:
Diffstat (limited to 'converter/pc98_usb')
-rw-r--r--converter/pc98_usb/Makefile83
-rw-r--r--converter/pc98_usb/README67
-rw-r--r--converter/pc98_usb/config.h123
-rw-r--r--converter/pc98_usb/keymap.c208
-rw-r--r--converter/pc98_usb/led.c33
-rw-r--r--converter/pc98_usb/matrix.c211
6 files changed, 725 insertions, 0 deletions
diff --git a/converter/pc98_usb/Makefile b/converter/pc98_usb/Makefile
new file mode 100644
index 0000000000..56738b34b2
--- /dev/null
+++ b/converter/pc98_usb/Makefile
@@ -0,0 +1,83 @@
+# Target file name (without extension).
+TARGET = pc98_usb
+
+# Directory common source filess exist
+TMK_DIR = ../..
+
+# Directory keyboard dependent files exist
+TARGET_DIR = .
+
+# keyboard dependent files
+SRC = keymap.c \
+ matrix.c \
+ led.c \
+ protocol/serial_uart.c
+# protocol/serial_soft.c
+
+CONFIG_H = config.h
+
+
+# MCU name, you MUST set this to match the board you are using
+# type "make clean" after changing this, so all files will be rebuilt
+#MCU = at90usb162 # Teensy 1.0
+MCU = atmega32u4 # Teensy 2.0
+#MCU = at90usb646 # Teensy++ 1.0
+#MCU = at90usb1286 # Teensy++ 2.0
+
+
+# Processor frequency.
+# Normally the first thing your program should do is set the clock prescaler,
+# so your program will run at the correct speed. You should also set this
+# variable to same clock speed. The _delay_ms() macro uses this, and many
+# examples use this variable to calculate timings. Do not add a "UL" here.
+F_CPU = 16000000
+
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+# This will define a symbol, F_USB, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+# Interrupt driven control endpoint task
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+
+# Build Options
+# *Comment out* to disable the options.
+#
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = yes # Console for debug
+#NKRO_ENABLE = yes # USB Nkey Rollover
+
+
+# Boot Section Size in bytes
+# Teensy halfKay 512
+# Atmel DFU loader 4096
+# LUFA bootloader 4096
+OPT_DEFS += -DBOOTLOADER_SIZE=4096
+
+
+# Search Path
+VPATH += $(TARGET_DIR)
+VPATH += $(TMK_DIR)
+
+
+include $(TMK_DIR)/protocol/lufa.mk
+include $(TMK_DIR)/protocol.mk
+include $(TMK_DIR)/common.mk
+include $(TMK_DIR)/rules.mk
diff --git a/converter/pc98_usb/README b/converter/pc98_usb/README
new file mode 100644
index 0000000000..c9bdf3d846
--- /dev/null
+++ b/converter/pc98_usb/README
@@ -0,0 +1,67 @@
+PC98 to USB keyboard protocol converter
+=======================================
+Target MCU is ATMega32u4 but other USB capable AVR will also work.
+
+
+Connector
+---------
+
+ 8Pin mini DIN
+ ___ ___
+ / |_| \
+ / 8 7 6 \
+ | 5 4 3 |
+ \_ 2 1 _/
+ \_____/
+ (receptacle)
+
+
+Wiring: You can change this with editing config.h.
+
+ Pin mini DIN MCU
+ ----------------------------------
+ 1 ~RST(TXD) PD3
+ 2 GND GND
+ 3 ~RDY PD4
+ 4 RXD PD2
+ 5 ~RTY PD5
+ 6 NC
+ 7 NC
+ 8 5V VCC
+
+
+
+
+Protocol
+--------
+Signal: Asynchronous, Positive logic, 19200baud, Least bit first
+Frame format: 1-Start bit(Lo), 8-Data bits, Odd-Parity, 1-Stop bit
+
+
+
+Build Firmware
+--------------
+Just use 'make'
+
+ $ cd pc98_usb
+ $ make
+
+Then, load the binary to MCU with your favorite programmer.
+
+
+
+Other PC98 converter projects and resource
+------------------------------------------
+PC98 to USB
+http://davy.nyacom.net/kbd98usb/
+
+PC98 to PS/2
+http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm
+http://www.tsp.ne.jp/~sawada/mago/src/gka98at.asm
+
+PC98 keyboard commands
+http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt
+
+
+Inhibit repeating key:
+0x9C, 0x70
diff --git a/converter/pc98_usb/config.h b/converter/pc98_usb/config.h
new file mode 100644
index 0000000000..b8d676e4cf
--- /dev/null
+++ b/converter/pc98_usb/config.h
@@ -0,0 +1,123 @@
+/*
+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/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0x9898
+#define DEVICE_VER 0x0100
+#define MANUFACTURER t.m.k.
+#define PRODUCT PC98 keyboard converter
+#define DESCRIPTION converts PC98 keyboard protocol into USB
+
+
+/* matrix size */
+#define MATRIX_ROWS 16
+#define MATRIX_COLS 8
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+ host_get_first_key() == KC_CANCEL \
+)
+
+
+/* PC98 Reset Port shared with TXD */
+#define PC98_RST_DDR DDRD
+#define PC98_RST_PORT PORTD
+#define PC98_RST_BIT 3
+/* PC98 Ready Port */
+#define PC98_RDY_DDR DDRD
+#define PC98_RDY_PORT PORTD
+#define PC98_RDY_BIT 4
+/* PC98 Retry Port */
+#define PC98_RTY_DDR DDRD
+#define PC98_RTY_PORT PORTD
+#define PC98_RTY_BIT 5
+
+/*
+ * PC98 Serial(USART) configuration
+ * asynchronous, positive logic, 19200baud, bit order: LSB first
+ * 1-start bit, 8-data bit, odd parity, 1-stop bit
+ */
+/*
+ * Software Serial
+ */
+#define SERIAL_SOFT_BAUD 19200
+#define SERIAL_SOFT_PARITY_ODD
+#define SERIAL_SOFT_BIT_ORDER_LSB
+#define SERIAL_SOFT_LOGIC_POSITIVE
+/* RXD Port */
+#define SERIAL_SOFT_RXD_DDR DDRD
+#define SERIAL_SOFT_RXD_PORT PORTD
+#define SERIAL_SOFT_RXD_PIN PIND
+#define SERIAL_SOFT_RXD_BIT 2
+#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
+/* RXD Interupt */
+#define SERIAL_SOFT_RXD_VECT INT2_vect
+#define SERIAL_SOFT_RXD_INIT() do { \
+ /* pin configuration: input with pull-up */ \
+ SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
+ SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
+ /* enable interrupt: INT2(falling edge) */ \
+ EICRA |= ((1<<ISC21)|(0<<ISC20)); \
+ EIMSK |= (1<<INT2); \
+ sei(); \
+} while (0)
+#define SERIAL_SOFT_RXD_INT_ENTER()
+#define SERIAL_SOFT_RXD_INT_EXIT() do { \
+ /* clear interrupt flag */ \
+ EIFR = (1<<INTF2); \
+} while (0)
+/* TXD Port */
+#define SERIAL_SOFT_TXD_DDR DDRD
+#define SERIAL_SOFT_TXD_PORT PORTD
+#define SERIAL_SOFT_TXD_PIN PIND
+#define SERIAL_SOFT_TXD_BIT 3
+#define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0)
+#define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
+#define SERIAL_SOFT_TXD_INIT() do { \
+ /* pin configuration: output */ \
+ SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
+ /* idle */ \
+ SERIAL_SOFT_TXD_ON(); \
+} while (0)
+
+
+/*
+ * Hardware Serial(UART)
+ */
+#ifdef __AVR_ATmega32U4__
+ #define SERIAL_UART_BAUD 19200
+ #define SERIAL_UART_DATA UDR1
+ #define SERIAL_UART_UBRR ((F_CPU/(16UL*SERIAL_UART_BAUD))-1)
+ #define SERIAL_UART_RXD_VECT USART1_RX_vect
+ #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1))
+ #define SERIAL_UART_INIT() do { \
+ UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \
+ UBRR1H = (uint8_t) (SERIAL_UART_UBRR>>8); /* baud rate */ \
+ UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
+ UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
+ UCSR1C |= (1<<UPM11) | (1<<UPM10); /* parity: none(00), even(01), odd(11) */ \
+ sei(); \
+ } while(0)
+#else
+ #error "USART configuration is needed."
+#endif
+
+
+#endif
diff --git a/converter/pc98_usb/keymap.c b/converter/pc98_usb/keymap.c
new file mode 100644
index 0000000000..8922ea7bab
--- /dev/null
+++ b/converter/pc98_usb/keymap.c
@@ -0,0 +1,208 @@
+/*
+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/pgmspace.h>
+#include "keycode.h"
+#include "action.h"
+#include "action_macro.h"
+#include "util.h"
+#include "keymap.h"
+
+
+
+
+/* PC-9801-98-S02 Raku Raku keyboard(Luckyboard) Normal Mode
+ ,---------------------------------------------------------------.
+ | 60| 61| 62| 63| 64| 65| 66| 67| 68| 69| 6A| 6B| 36| 37| 3F| 3E|
+ `---------------------------------------------------------------'
+ ,---------------------------------------------------------------.
+ | 00| 01| 02| 03| 04| 05| 58| 71| 06| 07| 08| 09| 0A| 0E|
+ |---------------------------------------------------------------|
+ | 0F| 10| 11| 12| 13| 14| 3A | 15| 16| 17| 18| 19| 1C|
+ |---------------------------------------------------------'. |
+ | 74| 20| 21| 22| 23| 24| 3B | 3C | 25| 26| 27| 28| 29| |
+ |---------------------------------------------------------------|
+ | 70| 2A| 2B| 2C| 2D| 2E| 38| 3D | 39| 2F| 30| 31| 32| 33| 70|
+ `---------------------------------------------------------------'
+ | 73| 51| 5B| 59| 34| 5A| 35| xx|
+ `-----------------------------------------------'
+ xx: 74 35 F4 B5
+*/
+#define KEYMAP( \
+ K60, K61, K62, K63, K64, K65, K66, K67, K68, K69, K6A, K6B, K36, K37, K3F, K3E, \
+ K00, K01, K02, K03, K04, K05, K58, K71, K06, K07, K08, K09, K0A, K0E, \
+ K0F, K10, K11, K12, K13, K14, K3A, K15, K16, K17, K18, K19, K1C, \
+ K74, K20, K21, K22, K23, K24, K3B, K3C, K25, K26, K27, K28, K29, \
+ K70,K2A, K2B, K2C, K2D, K2E, K38, K3D, K39, K2F, K30, K31, K32, K33, \
+ K73, K51, K5B, K59, K34, K5A, K35 \
+) { \
+ { KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07 }, \
+ { KC_##K08, KC_##K09, KC_##K0A, KC_NO, KC_NO, KC_NO, KC_##K0E, KC_##K0F }, \
+ { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17 }, \
+ { KC_##K18, KC_##K19, KC_NO, KC_NO, KC_##K1C, KC_NO, KC_NO, KC_NO }, \
+ { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27 }, \
+ { KC_##K28, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D, KC_##K2E, KC_##K2F }, \
+ { KC_##K30, KC_##K31, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37 }, \
+ { KC_##K38, KC_##K39, KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D, KC_##K3E, KC_##K3F }, \
+ { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_NO, KC_##K51, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_##K58, KC_##K59, KC_##K5A, KC_##K5B, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_##K67 }, \
+ { KC_##K68, KC_##K69, KC_##K6A, KC_##K6B, KC_NO, KC_NO, KC_NO, KC_NO }, \
+ { KC_##K70, KC_##K71, KC_NO, KC_##K73, KC_##K74, KC_NO, KC_NO, KC_NO }, \
+ { KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO, KC_NO } \
+}
+
+
+
+static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /*
+ ,---------------------------------------------------------------.
+ | 60| 61| 62| 63| 64| 65| 66| 67| 68| 69| 6A| 6B| 36| 37| 3F| 3E|
+ `---------------------------------------------------------------'
+ ,---------------------------------------------------------------.
+ | 00| 01| 02| 03| 04| 05| 58| 71| 06| 07| 08| 09| 0A| 0E|
+ |---------------------------------------------------------------|
+ | 0F| 10| 11| 12| 13| 14| 3A | 15| 16| 17| 18| 19| 1C|
+ |---------------------------------------------------------------|
+ | 74| 20| 21| 22| 23| 24| MINS| EQL| 25| 26| 27| 28| 29| |
+ |---------------------------------------------------------------|
+ | 70| 2A| 2B| 2C| 2D| 2E| 38| 3D | 39| 2F| 30| 31| 32| 33| 70|
+ `---------------------------------------------------------------'
+ | 73| 51| 5B| 59| 34| 5A| 35| xx|
+ `-----------------------------------------------'
+ */
+ KEYMAP(
+ CANCEL,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, FN6,
+ ESC, 1, 2, 3, 4, 5, FN4, FN5, 6, 7, 8, 9, 0, BSPC,
+ TAB, Q, W, E, R, T, UP, Y, U, I, O, P, ENT,
+ LCTL, A, S, D, F, G, MINS, EQL, H, J, K, L, FN2,
+ LSFT, Z, X, C, V, B, GRV, BSLS, QUOT, N, M,COMM, DOT, FN1,
+ LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
+ ),
+ KEYMAP(
+ PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14,
+ GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL,
+ TAB, Q, W, E, R, T, UP, HOME,PGDN,PGUP, END, P, ENT,
+ LCTL, A, S, D, F, G, MINS, EQL, LEFT,DOWN, UP,RGHT,SCLN,
+ LSFT, Z, X, C, V, B, INS, DOWN, DEL,HOME,PGDN,PGUP, END,TRNS,
+ LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
+ ),
+ KEYMAP(
+ PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14,
+ GRV, F1, F2, F3, F4, F5, NO, NO, F6, F7, F8, F9, F10, DEL,
+ TAB, Q, W, E, R, T, UP, WH_L,WH_D,WH_U,WH_R, P, ENT,
+ LCTL, A, S, D, F, G, MINS, EQL, MS_L,MS_D,MS_U,MS_R,TRNS,
+ LSFT, Z, X, C, V, B, INS, DOWN, BTN3,BTN2,BTN1,BTN4,BTN5,TRNS,
+ LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT
+ ),
+};
+static const uint8_t PROGMEM overlays[][MATRIX_ROWS][MATRIX_COLS] = {};
+
+/*
+ * Macro definition
+ */
+enum macro_id {
+ LBRACKET,
+ RBRACKET,
+ DUMMY,
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+ keyevent_t event = record->event;
+ //uint8_t tap_count = record->tap_count;
+
+ switch (id) {
+ case LBRACKET:
+ return (event.pressed ?
+ MACRO( T(LBRC), END ) :
+ MACRO( T(LBRC), END ) );
+ case RBRACKET:
+ return (event.pressed ?
+ MACRO( T(RBRC), END ) :
+ MACRO( T(RBRC), END ) );
+ }
+ return MACRO_NONE;
+}
+
+/*
+ * Action function
+ */
+void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+/*
+ keyevent_t event = record->event;
+ uint8_t tap_count = record->tap_count;
+ switch (id) {
+ case 0xFF:
+ action_macro_play(get_macro(opt, event.pressed));
+ break;
+ }
+*/
+}
+
+
+/*
+ * Fn actions
+ */
+static const uint16_t PROGMEM fn_actions[] = {
+ ACTION_LAYER_TAP_TOGGLE(0), // FN0
+ ACTION_LAYER_TAP_KEY(1, KC_SLASH), // FN1
+ ACTION_LAYER_TAP_KEY(2, KC_SCLN), // FN2
+ ACTION_LAYER_MOMENTARY(2), // FN3
+ ACTION_MACRO(LBRACKET), // FN4
+ ACTION_MACRO(RBRACKET), // FN5
+ ACTION_MACRO(DUMMY), // FN6
+};
+
+
+
+
+
+
+/*
+ * No need to edit.
+ */
+#define KEYMAPS_SIZE (sizeof(keymaps) / sizeof(keymaps[0]))
+#define FN_ACTIONS_SIZE (sizeof(fn_actions) / sizeof(fn_actions[0]))
+
+/* translates key to keycode */
+uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
+{
+ if (layer < KEYMAPS_SIZE) {
+ return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
+ } else {
+ // fall back to layer 0
+ return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]);
+ }
+}
+
+/* translates Fn keycode to action */
+action_t keymap_fn_to_action(uint8_t keycode)
+{
+ action_t action;
+ if (FN_INDEX(keycode) < FN_ACTIONS_SIZE) {
+ action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]);
+ } else {
+ action.code = ACTION_NO;
+ }
+ return action;
+}
diff --git a/converter/pc98_usb/led.c b/converter/pc98_usb/led.c
new file mode 100644
index 0000000000..48c3f1c2b2
--- /dev/null
+++ b/converter/pc98_usb/led.c
@@ -0,0 +1,33 @@
+/*
+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 "serial.h"
+#include "led.h"
+
+
+void led_set(uint8_t usb_led)
+{
+ uint8_t sun_led = 0;
+ if (usb_led & (1<<USB_LED_NUM_LOCK)) sun_led |= (1<<0);
+ if (usb_led & (1<<USB_LED_COMPOSE)) sun_led |= (1<<1);
+ if (usb_led & (1<<USB_LED_SCROLL_LOCK)) sun_led |= (1<<2);
+ if (usb_led & (1<<USB_LED_CAPS_LOCK)) sun_led |= (1<<3);
+
+ serial_send(0x0E);
+ serial_send(sun_led);
+}
diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c
new file mode 100644
index 0000000000..8833e0a851
--- /dev/null
+++ b/converter/pc98_usb/matrix.c
@@ -0,0 +1,211 @@
+/*
+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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 22:30:06 +0000