diff options
Diffstat (limited to 'x68k_usb')
| -rw-r--r-- | x68k_usb/Makefile | 85 | ||||
| -rw-r--r-- | x68k_usb/README | 129 | ||||
| -rw-r--r-- | x68k_usb/config_pjrc.h | 66 | ||||
| -rw-r--r-- | x68k_usb/keymap.c | 140 | ||||
| -rw-r--r-- | x68k_usb/led.c | 26 | ||||
| -rw-r--r-- | x68k_usb/matrix.c | 141 | ||||
| -rw-r--r-- | x68k_usb/x68k.c | 75 | ||||
| -rw-r--r-- | x68k_usb/x68k.h | 47 |
8 files changed, 709 insertions, 0 deletions
diff --git a/x68k_usb/Makefile b/x68k_usb/Makefile new file mode 100644 index 000000000..c4b9b221b --- /dev/null +++ b/x68k_usb/Makefile @@ -0,0 +1,85 @@ +# +# Makefile for PJRC Teensy +# + + +# Target file name (without extension). +TARGET = x68k_usb_pjrc + +# Directory common source filess exist +COMMON_DIR = .. + +# Directory keyboard dependent files exist +TARGET_DIR = . + +# keyboard dependent files +SRC = main.c \ + keymap.c \ + matrix.c \ + led.c \ + x68k.c + +CONFIG_H = config_pjrc.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 + + +# Build Options +# *Comment out* to disable the options. +# +MOUSEKEY_ENABLE = yes # Mouse keys +EXTRAKEY_ENABLE = yes # Audio control and System control +NKRO_ENABLE = yes # USB Nkey Rollover + + + +#---------------- Programming Options -------------------------- +AVRDUDE = avrdude +# Type: avrdude -c ? to get a full listing. +AVRDUDE_PROGRAMMER = avr109 +AVRDUDE_PORT = /dev/ttyACM0 +AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex +#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep + +# Uncomment the following if you want avrdude's erase cycle counter. +# Note that this counter needs to be initialized first using -Yn, +# see avrdude manual. +#AVRDUDE_ERASE_COUNTER = -y + +# Uncomment the following if you do /not/ wish a verification to be +# performed after programming the device. +#AVRDUDE_NO_VERIFY = -V + +# Increase verbosity level. Please use this when submitting bug +# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude> +# to submit bug reports. +#AVRDUDE_VERBOSE = -v -v + +AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) +#AVRDUDE_FLAGS = -p $(MCU) -c $(AVRDUDE_PROGRAMMER) +AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY) +AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE) +AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER) + +#PROGRAM_CMD = $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) +#PROGRAM_CMD = teensy_loader_cli -mmcu=$(MCU) -w -v $(TARGET).hex +PROGRAM_CMD = dfu-programmer atmega32u4 flash $(TARGET).hex + + + +include $(COMMON_DIR)/pjrc.mk +include $(COMMON_DIR)/common.mk diff --git a/x68k_usb/README b/x68k_usb/README new file mode 100644 index 000000000..0b61b2c4b --- /dev/null +++ b/x68k_usb/README @@ -0,0 +1,129 @@ +X68000 to USB keyboard protocol converter +========================================= +SHARP X68000 is a hobby computer released in Japan.(1987-93) +http://en.wikipedia.org/wiki/Sharp_X68000 + +X68000 keyboard has ALPS linear switches. +- DSETK0016CE01 green linear +- DSETK0023CE03 yellow linear + + +Hardware +-------- +Target MCU is ATMega32u4 but other USB capable AVR will also work. +You can use PJRC Teensy as dev board. + http://www.pjrc.com/teensy/ + +Wiring: + Mini-DIN Teensy + ----------------------------------------------------- + pin1 +5V VCC + pin2 MOUSE - + pin3 RXD PD2(RXD) + pin4 TXD PD3(TXD) NOTE: Not supported yet. + pin5 READY - + pin6 REMOTE - + pin7 GND GND + + +Firmware +-------- +Build: + $ cd x68k_usb + $ make + +And load the binary to MCU with your favorite programmer. +If you use Teensy you can load with PJRC Teensy Loader tool. + http://www.pjrc.com/teensy/loader.html + + +* * * * * * * * * * * * * * * * * * + + +X68000 Keyboard Protocol +======================== +http://kyoutan.jpn.org/uts/pc/pic/x68key/ + + +Connector +--------- +Mini DIN 7pin(female connector on computer side) + 7 6 5 + o o o + 4 o = o 3 + o o + 2 1 + + Mini-DIN + ------------- + pin1 +5V + pin2 MOUSE + pin3 RXD + pin4 TXD + pin5 READY + pin6 REMOTE + pin7 GND + + +Signaling +--------- +- TXD,RXD + Asynchronous, 2400baud, 1-startbit(L), 8-databit, 1-stopbit(H) + +- READY + ready/not ready(1/0) + + +Data from keyboard +------------------ +bit 7 make/break flag(0/1) +bit 6-0 following scan code + + +Data from computer +------------------ +- LED contorol ON/OFF(0/1) + bit 7 1(fixed) + bit 6 全角 + bit 5 ひらがな + bit 4 INS + bit 3 CAPS + bit 2 コード入力 + bit 1 ローマ字 + bit 0 かな + +- Repeat delay + bit 7 0(fixed) + bit 6 1(fixed) + bit 5 1(fixed) + bit 4 0(fixed) + bit 3-0 delay + REPEAT_DELAY = 200+delay*100 ms + default: 500ms + +- Repeat time + bit 7 0(fixed) + bit 6 1(fixed) + bit 5 1(fixed) + bit 4 1(fixed) + bit 3-0 time + REPEAT_TIME = 30+time^2*5 ms + default: 110ms + + +Scan Codes +---------- +,---. ,---. ,-------------------, ,-------------------. ,-----------. ,---------------. +| 61| | 62| | 63| 64| 65| 66| 67| | 68| 69| 6A| 6B| 6C| | 5A| 5B| 5C| | 5D| 52| 53| 54| +`---' `---' `-------------------' `-------------------' `-----------' `---------------' +,-----------------------------------------------------------. ,-----------. ,---------------. +| 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E| 0F| | 36| 5E| 37| | 3F| 40| 41| 42| +|-----------------------------------------------------------| |------------ |---------------| +| 10 | 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 1C| | | 38| 39| 3A| | 43| 44| 45| 46| +|------------------------------------------------------. 1D | `---=====---' |---------------| +| 71 | 1E| 1F| 20| 21| 2l| 23| 24| 25| 26| 27| 28| 29| | ___| 3C|___ | 47| 48| 49| 4A| +|-----------------------------------------------------------| | 3B|---| 3D| |-----------|---| +| 70 | 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 70 | `---| 3E|---' | 4B| 4C| 4D| | +`-----------------------------------------------------------| .---=====---. |-----------| 4E| + | 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| | + `---------------------------------------------' `-----------' `---------------' diff --git a/x68k_usb/config_pjrc.h b/x68k_usb/config_pjrc.h new file mode 100644 index 000000000..20758bf24 --- /dev/null +++ b/x68k_usb/config_pjrc.h @@ -0,0 +1,66 @@ +/* +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 + +/* controller configuration */ +#include "controller_teensy.h" + +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0x6800 +#define MANUFACTURER t.m.k. +#define PRODUCT SHARP X68000 keyboard converter +#define DESCRIPTION converts SHARP X68000 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(KB_LALT) | MOD_BIT(KB_RALT)) || \ + keyboard_report->mods == (MOD_BIT(KB_LCTRL) | MOD_BIT(KB_RSHIFT)) \ +) + + +/* mouse keys */ +#ifdef MOUSEKEY_ENABLE +# define MOUSEKEY_DELAY_TIME 255 +#endif + + +/* USART configuration + * asynchronous, 2400baud, 8-data bit, non parity, 1-stop bit, no flow control + */ +#ifdef __AVR_ATmega32U4__ +# define KBD_RX_VECT USART1_RX_vect +# define KBD_RX_DATA UDR1 +# define KBD_RX_BAUD 2400 +# define KBD_RX_UBBR ((F_CPU/(16UL*KBD_RX_BAUD))-1) +# define KBD_RX_INIT() do { \ + UBRR1L = (uint8_t) KBD_RX_UBBR; \ + UBRR1H = (uint8_t) (KBD_RX_UBBR>>8); \ + UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); \ + } while(0) +#else +# error "USART configuration is needed." +#endif + +#endif diff --git a/x68k_usb/keymap.c b/x68k_usb/keymap.c new file mode 100644 index 000000000..94c2aeee1 --- /dev/null +++ b/x68k_usb/keymap.c @@ -0,0 +1,140 @@ +/* +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 "usb_keycodes.h" +#include "util.h" +#include "keymap.h" + + + + +// Following macros help you to define a keymap with the form of actual keyboard layout. + +/* X68000 Keyboard Scan codes + ,---. ,---. ,-------------------, ,-------------------. ,-----------. ,---------------. + | 61| | 62| | 63| 64| 65| 66| 67| | 68| 69| 6A| 6B| 6C| | 5A| 5B| 5C| | 5D| 52| 53| 54| + `---' `---' `-------------------' `-------------------' `-----------' `---------------' + ,-----------------------------------------------------------. ,-----------. ,---------------. + | 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E| 0F| | 36| 5E| 37| | 3F| 40| 41| 42| + |-----------------------------------------------------------| |------------ |---------------| + | 10 | 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 1C| | | 38| 39| 3A| | 43| 44| 45| 46| + |------------------------------------------------------. 1D | `---=====---' |---------------| + | 71 | 1E| 1F| 20| 21| 2l| 23| 24| 25| 26| 27| 28| 29| | ___| 3C|___ | 47| 48| 49| 4A| + |-----------------------------------------------------------| | 3B|---| 3D| |-----------|---| + | 70 | 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 70 | `---| 3E|---' | 4B| 4C| 4D| | + `-----------------------------------------------------------| .---=====---. |-----------| 4E| + | 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| | + `---------------------------------------------' `-----------' `---------------' +*/ +#define KEYMAP( \ + K61,K62, K63,K64,K65,K66,K67, K68,K69,K6A,K6B,K6C, K5A,K5B,K5C, K5D,K52,K53,K54, \ + K01,K02,K03,K04,K05,K06,K07,K08,K09,K0A,K0B,K0C,K0D,K0E,K0F, K36,K5E,K37, K3F,K40,K41,K42, \ + K10,K11,K12,K13,K14,K15,K16,K17,K18,K19,K1A,K1B,K1C, K1D, K38,K39,K3A, K43,K44,K45,K46, \ + K71,K1E,K1F,K20,K21,K22,K23,K24,K25,K26,K27,K28,K29, K3C, K47,K48,K49,K4A, \ + K70,K2A,K2B,K2C,K2D,K2E,K2F,K30,K31,K32,K33,K34, K3B,K3E,K3D, K4B,K4C,K4D,K4E, \ + K5F,K55,K56, K35, K57,K58,K59,K60, K72, K73, K4F,K50,K51 \ +) { \ + { KB_NO, KB_##K01, KB_##K02, KB_##K03, KB_##K04, KB_##K05, KB_##K06, KB_##K07 }, \ + { KB_##K08, KB_##K09, KB_##K0A, KB_##K0B, KB_##K0C, KB_##K0D, KB_##K0E, KB_##K0F }, \ + { KB_##K10, KB_##K11, KB_##K12, KB_##K13, KB_##K14, KB_##K15, KB_##K16, KB_##K17 }, \ + { KB_##K18, KB_##K19, KB_##K1A, KB_##K1B, KB_##K1C, KB_##K1D, KB_##K1E, KB_##K1F }, \ + { KB_##K20, KB_##K21, KB_##K22, KB_##K23, KB_##K24, KB_##K25, KB_##K26, KB_##K27 }, \ + { KB_##K28, KB_##K29, KB_##K2A, KB_##K2B, KB_##K2C, KB_##K2D, KB_##K2E, KB_##K2F }, \ + { KB_##K30, KB_##K31, KB_##K32, KB_##K33, KB_##K34, KB_##K35, KB_##K36, KB_##K37 }, \ + { KB_##K38, KB_##K39, KB_##K3A, KB_##K3B, KB_##K3C, KB_##K3D, KB_##K3E, KB_##K3F }, \ + { KB_##K40, KB_##K41, KB_##K42, KB_##K43, KB_##K44, KB_##K45, KB_##K46, KB_##K47 }, \ + { KB_##K48, KB_##K49, KB_##K4A, KB_##K4B, KB_##K4C, KB_##K4D, KB_##K4E, KB_##K4F }, \ + { KB_##K50, KB_##K51, KB_##K52, KB_##K53, KB_##K54, KB_##K55, KB_##K56, KB_##K57 }, \ + { KB_##K58, KB_##K59, KB_##K5A, KB_##K5B, KB_##K5C, KB_##K5D, KB_##K5E, KB_##K5F }, \ + { KB_##K60, KB_##K61, KB_##K62, KB_##K63, KB_##K64, KB_##K65, KB_##K66, KB_##K67 }, \ + { KB_##K68, KB_##K69, KB_##K6A, KB_##K6B, KB_##K6C, KB_NO, KB_NO, KB_NO }, \ + { KB_##K70, KB_##K71, KB_##K72, KB_##K73, KB_NO, KB_NO, KB_NO, KB_NO, }, \ + { KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO, KB_NO } \ +} + + +// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed. +static const uint8_t PROGMEM fn_layer[] = { + 0, // Fn0 + 0, // Fn1 + 0, // 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[] = { + KB_NO, // Fn0 + KB_NO, // Fn1 + KB_NO, // Fn2 + KB_NO, // Fn3 + KB_NO, // Fn4 + KB_NO, // Fn5 + KB_NO, // Fn6 + KB_NO // Fn7 +}; + + +static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { +/* X68000 Keyboard Scan codes + ,---. ,---. ,-------------------, ,-------------------. ,-----------. ,---------------. + | 61| | 62| | 63| 64| 65| 66| 67| | 68| 69| 6A| 6B| 6C| | 5A| 5B| 5C| | 5D| 52| 53| 54| + `---' `---' `-------------------' `-------------------' `-----------' `---------------' + ,-----------------------------------------------------------. ,-----------. ,---------------. + | 01| 02| 03| 04| 05| 06| 07| 08| 09| 0A| 0B| 0C| 0D| 0E| 0F| | 36| 5E| 37| | 3F| 40| 41| 42| + |-----------------------------------------------------------| |------------ |---------------| + | 10 | 11| 12| 13| 14| 15| 16| 17| 18| 19| 1A| 1B| 1C| | | 38| 39| 3A| | 43| 44| 45| 46| + |------------------------------------------------------. 1D | `---=====---' |---------------| + | 71 | 1E| 1F| 20| 21| 2l| 23| 24| 25| 26| 27| 28| 29| | ___| 3C|___ | 47| 48| 49| 4A| + |-----------------------------------------------------------| | 3B|---| 3D| |-----------|---| + | 70 | 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 70 | `---| 3E|---' | 4B| 4C| 4D| | + `-----------------------------------------------------------| .---=====---. |-----------| 4E| + | 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| | + `---------------------------------------------' `-----------' `---------------' +*/ + KEYMAP( + NO, NO, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, PSCR,SLCK,PAUS, CAPS,NO, NO, NO, + ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSLS,BSPC, INS, HOME,PGUP, NLCK,PSLS,PAST,PMNS, + TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC, ENT, DEL, END, PGDN, P7, P8, P9, PPLS, + LCTL,A, S, D, F, G, H, J, K, L, SCLN,QUOT,ENT, UP, P4, P5, P6, PEQL, + LSFT,Z, X, C, V, B, N, M, COMM,DOT, SLSH,GRV, LEFT,DOWN,RGHT, P1, P2, P3, PENT, + LGUI,LALT,NO, SPC, RALT,RGUI,RCTL,APP, NO, NO, P0, PCMM,PDOT + ), +}; + + +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 fn_bits) +{ + return pgm_read_byte(&fn_layer[biton(fn_bits)]); +} + +uint8_t keymap_fn_keycode(uint8_t fn_bits) +{ + return pgm_read_byte(&fn_keycode[(biton(fn_bits))]); +} diff --git a/x68k_usb/led.c b/x68k_usb/led.c new file mode 100644 index 000000000..40156cf4a --- /dev/null +++ b/x68k_usb/led.c @@ -0,0 +1,26 @@ +/* +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 "x68k.h" +#include "led.h" + + +void led_set(uint8_t usb_led) +{ + // not supported now +} diff --git a/x68k_usb/matrix.c b/x68k_usb/matrix.c new file mode 100644 index 000000000..954e7ef12 --- /dev/null +++ b/x68k_usb/matrix.c @@ -0,0 +1,141 @@ +/* +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 "x68k.h" +#include "matrix.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) +{ + x68k_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) +{ + is_modified = false; + + uint8_t code; + code = x68k_recv(); + if (code == 0) { + return 0; + } + + phex(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; +} diff --git a/x68k_usb/x68k.c b/x68k_usb/x68k.c new file mode 100644 index 000000000..d17af51cc --- /dev/null +++ b/x68k_usb/x68k.c @@ -0,0 +1,75 @@ +/* +Copyright 2012 Jun WAKO <wakojun@gmail.com> + +This software is licensed with a Modified BSD License. +All of this is supposed to be Free Software, Open Source, DFSG-free, +GPL-compatible, and OK to use in both free and proprietary applications. +Additions and corrections to this file are welcome. + + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +* Neither the name of the copyright holders nor the names of + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdbool.h> +#include <avr/io.h> +#include <avr/interrupt.h> +#include "x68k.h" + + +void x68k_init(void) +{ + KBD_RX_INIT(); +} + +// RX ring buffer +#define RBUF_SIZE 8 +static uint8_t rbuf[RBUF_SIZE]; +static uint8_t rbuf_head = 0; +static uint8_t rbuf_tail = 0; + +uint8_t x68k_recv(void) +{ + uint8_t data = 0; + if (rbuf_head == rbuf_tail) { + return 0; + } + + data = rbuf[rbuf_tail]; + rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE; + return data; +} + +// USART RX complete interrupt +ISR(KBD_RX_VECT) +{ + uint8_t next = (rbuf_head + 1) % RBUF_SIZE; + if (next != rbuf_tail) { + rbuf[rbuf_head] = KBD_RX_DATA; + rbuf_head = next; + } +} diff --git a/x68k_usb/x68k.h b/x68k_usb/x68k.h new file mode 100644 index 000000000..2cfda63a7 --- /dev/null +++ b/x68k_usb/x68k.h @@ -0,0 +1,47 @@ +/* +Copyright 2012 Jun WAKO <wakojun@gmail.com> + +This software is licensed with a Modified BSD License. +All of this is supposed to be Free Software, Open Source, DFSG-free, +GPL-compatible, and OK to use in both free and proprietary applications. +Additions and corrections to this file are welcome. + + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +* Neither the name of the copyright holders nor the names of + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef X68K_H +#define X68K_H + +/* host role */ +void x68k_init(void); +uint8_t x68k_recv(void); + +/* device role */ + +#endif |