diff options
| -rw-r--r-- | converter/pc98_usb/Makefile | 83 | ||||
| -rw-r--r-- | converter/pc98_usb/README | 65 | ||||
| -rw-r--r-- | converter/pc98_usb/command_extra.c | 43 | ||||
| -rw-r--r-- | converter/pc98_usb/config.h | 100 | ||||
| -rw-r--r-- | converter/pc98_usb/keymap.c | 187 | ||||
| -rw-r--r-- | converter/pc98_usb/led.c | 33 | ||||
| -rw-r--r-- | converter/pc98_usb/matrix.c | 168 | ||||
| -rw-r--r-- | protocol/serial.h | 1 | ||||
| -rw-r--r-- | protocol/serial_soft.c | 52 |
9 files changed, 732 insertions, 0 deletions
diff --git a/converter/pc98_usb/Makefile b/converter/pc98_usb/Makefile new file mode 100644 index 000000000..076371dbf --- /dev/null +++ b/converter/pc98_usb/Makefile @@ -0,0 +1,83 @@ +# Target file name (without extension). +TARGET = pc98_usb + +# Directory common source filess exist +TOP_DIR = ../.. + +# Directory keyboard dependent files exist +TARGET_DIR = . + +# keyboard dependent files +SRC = keymap.c \ + matrix.c \ + led.c \ + command_extra.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 += -DBOOT_SIZE=4096 + + +# Search Path +VPATH += $(TARGET_DIR) +VPATH += $(TOP_DIR) + + +include $(TOP_DIR)/protocol/lufa.mk +include $(TOP_DIR)/protocol.mk +include $(TOP_DIR)/common.mk +include $(TOP_DIR)/rules.mk diff --git a/converter/pc98_usb/README b/converter/pc98_usb/README new file mode 100644 index 000000000..7d9547d50 --- /dev/null +++ b/converter/pc98_usb/README @@ -0,0 +1,65 @@ +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 ediging config.h. + + Pin mini DIN MCU + ---------------------------------- + 1 ~RST PD1 + 2 GND GND + 3 ~RDY PD4 + 4 RXD PD2 + 5 ~RTY PD5 + 6 NC + 7 NC + 8 5V VCC + + + + +Protocol +-------- +Singnal: Asynchronous, Positive logic, 19200baud, Least bit first +Frame format: 1-Start bit(Lo), 8-Data bits, Odd-Parity, 1-Stop bit + +This converter uses software method for testing purpose. AVR UART engine will work better. + + + + +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 + +PC98 keyboard commands +http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt diff --git a/converter/pc98_usb/command_extra.c b/converter/pc98_usb/command_extra.c new file mode 100644 index 000000000..50389467e --- /dev/null +++ b/converter/pc98_usb/command_extra.c @@ -0,0 +1,43 @@ +#include "stdbool.h" +#include "stdint.h" +#include "keycode.h" +#include "serial.h" +#include "print.h" +#include "command.h" + +bool command_extra(uint8_t code) +{ + switch (code) { + case KC_H: + case KC_SLASH: /* ? */ + print("\n\n----- Sun converter Help -----\n"); + print("UP: Bell On\n"); + print("DOWN: Bell Off\n"); + print("LEFT: Click On\n"); + print("RIGHT: Click Off\n"); + return false; + case KC_UP: + print("Bell On\n"); + serial_send(0x02); + break; + case KC_DOWN: + print("Bell Off\n"); + serial_send(0x03); + break; + case KC_LEFT: + print("Click On\n"); + serial_send(0x0A); + break; + case KC_RIGHT: + print("Click Off\n"); + serial_send(0x0B); + break; + case KC_NUMLOCK: + print("layout\n"); + serial_send(0x0F); + break; + default: + return false; + } + return true; +} diff --git a/converter/pc98_usb/config.h b/converter/pc98_usb/config.h new file mode 100644 index 000000000..6ef2c6ac3 --- /dev/null +++ b/converter/pc98_usb/config.h @@ -0,0 +1,100 @@ +/* +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() ( \ + keyboard_report->mods == (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT)) || \ + keyboard_report->mods == (MOD_BIT(KC_LGUI) | MOD_BIT(KC_RGUI)) || \ + keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \ +) + + +/* PC98 Serial(USART) configuration + * asynchronous, positive logic, 19200baud, bit order: LSB first + * 1-start bit, 8-data bit, odd parity, 1-stop bit + */ +#define SERIAL_BAUD 19200 +#define SERIAL_PARITY_ODD +#define SERIAL_BIT_ORDER_LSB + +/* PC98 Reset Port */ +#define PC98_RST_DDR DDRD +#define PC98_RST_PORT PORTD +#define PC98_RST_BIT 1 +/* 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 + +/* RXD Port */ +#define SERIAL_RXD_DDR DDRD +#define SERIAL_RXD_PORT PORTD +#define SERIAL_RXD_PIN PIND +#define SERIAL_RXD_BIT 2 +#define SERIAL_RXD_READ() (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) +/* RXD Interupt */ +#define SERIAL_RXD_VECT INT2_vect +#define SERIAL_RXD_INIT() do { \ + /* pin configuration: input with pull-up */ \ + SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \ + SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \ + /* enable interrupt: INT2(falling edge) */ \ + EICRA |= ((1<<ISC21)|(0<<ISC20)); \ + EIMSK |= (1<<INT2); \ +} while (0) +#define SERIAL_RXD_INT_ENTER() +#define SERIAL_RXD_INT_EXIT() do { \ + /* clear interrupt flag */ \ + EIFR = (1<<INTF2); \ +} while (0) + +/* TXD Port: Not used */ +#define SERIAL_TXD_DDR DDRD +#define SERIAL_TXD_PORT PORTD +#define SERIAL_TXD_PIN PIND +#define SERIAL_TXD_BIT 3 +/* negative logic */ +#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0) +#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0) +#define SERIAL_TXD_INIT() do { \ + /* pin configuration: output */ \ + SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \ + /* idle */ \ + SERIAL_TXD_ON(); \ +} while (0) + +#endif diff --git a/converter/pc98_usb/keymap.c b/converter/pc98_usb/keymap.c new file mode 100644 index 000000000..1e2dd03d5 --- /dev/null +++ b/converter/pc98_usb/keymap.c @@ -0,0 +1,187 @@ +/* +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 "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_NO, KC_NO, KC_##K5A, KC_NO, 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_NO, 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 } \ +} + + + + +// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed. +static const uint8_t PROGMEM fn_layer[] = { + 2, // Fn0 + 3, // Fn1 + 4, // Fn2 + 0, // Fn3 + 0, // Fn4 + 0, // Fn5 + 0, // Fn6 + 0 // Fn7 +}; + +// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer. +// See layer.c for details. +static const uint8_t PROGMEM fn_keycode[] = { + KC_NO, // Fn0 + KC_SCLN, // Fn1 + KC_SLSH, // Fn2 + KC_NO, // Fn3 + KC_NO, // Fn4 + KC_NO, // Fn5 + KC_NO, // Fn6 + KC_NO // Fn7 +}; + + +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( + PAUS,COPY, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, + ESC, 1, 2, 3, 4, 5, NO, NO, 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,SCLN, + LSFT, Z, X, C, V, B, INS, DOWN, DEL, N, M,COMM, DOT,SLSH, + LGUI, LALT, LCTL, LSFT, SPC, SPC, RALT + ), +}; + + +uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col) +{ + return pgm_read_byte(&keymaps[(layer)][(row)][(col)]); +} + +uint8_t keymap_fn_layer(uint8_t index) +{ + return pgm_read_byte(&fn_layer[index]); +} + +uint8_t keymap_fn_keycode(uint8_t index) +{ + return pgm_read_byte(&fn_keycode[index]); +} + + +#if 0 +/* PC-9801-98-S02 Raku Raku keyboard(Luckyboard) M-siki mode + ,---------------------------------------------------------------. + | 60| 61| 62| 63| 64| 65| 66| 67| 68| 69| 6A| 6B| 36| 37| 3F| 3E| + `---------------------------------------------------------------' + ,---------------------------------------------------------------. + | 00| 01| 02| 03| 04| 05| NUM|CAPS| 06| 07| 08| 09| 0A| 0E| + |---------------------------------------------------------------| + | 0F| 10| 25| 20| 23| 2B| 3A | 2F| 15| 13| 11| 19| 1C| + |---------------------------------------------------------------| + | 74| 12| 16| 17| 1D| 18| 3B | 3C | 24| 1E| 14| 2E| 22| | + |---------------------------------------------------------------| + | 70| xx| 2A| 2C| xx| xx| 38| 3D | 39| 21| 29| 1F| xx| 2D| 70| + `---------------------------------------------------------------' + | 73| 51| xx| xx| 34| xx| 35| xx| + `-----------------------------------------------' +*/ + +#define KEYMAP_M( \ + K60, K61, K62, K63, K64, K65, K66, K67, K68, K69, K6A, K6B, K36, K37, K3F, K3E, \ + K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0E, \ + K0F, K10, K25, K23, K20, K2B, K3A, K2F, K15, K13, K11, K19, K1C, \ + K74, K12, K16, K17, K1D, K18, K3B, K3C, K24, K1E, K14, K2E, K22, \ + K70, K2A, K2C, K38, K3D, K39, K21, K29, K1F, K2D, \ + K73, K51, K34, 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_##K1D, KC_##K1E, KC_##K1F }, \ + { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_NO, KC_NO }, \ + { KC_NO, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D, KC_##K2E, KC_##K2F }, \ + { KC_NO, KC_NO, KC_NO, KC_NO, 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_NO, KC_NO, KC_NO, KC_NO, 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_NO, 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 } \ +} +#endif diff --git a/converter/pc98_usb/led.c b/converter/pc98_usb/led.c new file mode 100644 index 000000000..48c3f1c2b --- /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 000000000..2f1e821c5 --- /dev/null +++ b/converter/pc98_usb/matrix.c @@ -0,0 +1,168 @@ +/* +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; +} + +void matrix_init(void) +{ + print_enable = true; + debug_enable = true; + //debug_matrix = true; + + 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); + + DDRD |= 1<<7; + + + 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); + + // 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; + + debug_hex(code); debug(" "); + + 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; +} diff --git a/protocol/serial.h b/protocol/serial.h index bd071bec9..96913c867 100644 --- a/protocol/serial.h +++ b/protocol/serial.h @@ -41,6 +41,7 @@ POSSIBILITY OF SUCH DAMAGE. /* host role */ void serial_init(void); uint8_t serial_recv(void); +int16_t serial_recv2(void); void serial_send(uint8_t data); #endif diff --git a/protocol/serial_soft.c b/protocol/serial_soft.c index beddc353c..3c9c914ed 100644 --- a/protocol/serial_soft.c +++ b/protocol/serial_soft.c @@ -48,8 +48,20 @@ POSSIBILITY OF SUCH DAMAGE. #define WAIT_US (1000000/SERIAL_BAUD) +/* debug for signal timing, see debug pin with oscilloscope */ +#ifdef SERIAL_SOFT_DEBUG + #define SERIAL_SOFT_DEBUG_INIT() (DDRD |= 1<<7) + #define SERIAL_SOFT_DEBUG_TGL() (PORTD ^= 1<<7) +#else + #define SERIAL_SOFT_DEBUG_INIT() + #define SERIAL_SOFT_DEBUG_TGL() +#endif + + void serial_init(void) { + SERIAL_SOFT_DEBUG_INIT(); + SERIAL_RXD_INIT(); SERIAL_TXD_INIT(); } @@ -60,6 +72,7 @@ static uint8_t rbuf[RBUF_SIZE]; static uint8_t rbuf_head = 0; static uint8_t rbuf_tail = 0; + uint8_t serial_recv(void) { uint8_t data = 0; @@ -72,6 +85,18 @@ uint8_t serial_recv(void) return data; } +int16_t serial_recv2(void) +{ + uint8_t data = 0; + if (rbuf_head == rbuf_tail) { + return -1; + } + + data = rbuf[rbuf_tail]; + rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; + return data; +} + void serial_send(uint8_t data) { /* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */ @@ -103,22 +128,36 @@ void serial_send(uint8_t data) /* detect edge of start bit */ ISR(SERIAL_RXD_VECT) { + SERIAL_SOFT_DEBUG_TGL() SERIAL_RXD_INT_ENTER() uint8_t data = 0; + #ifdef SERIAL_BIT_ORDER_MSB uint8_t mask = 0x80; #else uint8_t mask = 0x01; #endif + +#ifdef SERIAL_PARITY_ODD + uint8_t parity = 0; +#elif defined(SERIAL_PARITY_EVEN) + uint8_t parity = 1; +#endif + /* to center of start bit */ _delay_us(WAIT_US/2); + SERIAL_SOFT_DEBUG_TGL() do { /* to center of next bit */ _delay_us(WAIT_US); + SERIAL_SOFT_DEBUG_TGL() if (SERIAL_RXD_READ()) { data |= mask; +#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) + parity ^= 1; +#endif } #ifdef SERIAL_BIT_ORDER_MSB mask >>= 1; @@ -126,14 +165,27 @@ ISR(SERIAL_RXD_VECT) mask <<= 1; #endif } while (mask); + +#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) + /* to center of parity bit */ + _delay_us(WAIT_US); + if (SERIAL_RXD_READ()) { parity ^= 1; } + SERIAL_SOFT_DEBUG_TGL() +#endif + /* to center of stop bit */ _delay_us(WAIT_US); uint8_t next = (rbuf_head + 1) % RBUF_SIZE; +#if defined(SERIAL_PARITY_EVEN) || defined(SERIAL_PARITY_ODD) + if (parity && next != rbuf_tail) { +#else if (next != rbuf_tail) { +#endif rbuf[rbuf_head] = data; rbuf_head = next; } SERIAL_RXD_INT_EXIT(); + SERIAL_SOFT_DEBUG_TGL() } |