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Diffstat (limited to 'converter/next_usb/matrix.c')
| -rw-r--r-- | converter/next_usb/matrix.c | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/converter/next_usb/matrix.c b/converter/next_usb/matrix.c deleted file mode 100644 index d91cd2577..000000000 --- a/converter/next_usb/matrix.c +++ /dev/null @@ -1,271 +0,0 @@ -/* -NeXT non-ADB Keyboard USB Converter - -Copyright 2013, Benjamin Gould (bgould@github.com) - -Based on: -TMK firmware code Copyright 2011,2012 Jun WAKO <wakojun@gmail.com> -Arduino code by "Ladyada" Limor Fried (http://ladyada.net/, http://adafruit.com/), released under BSD license - -Timing reference thanks to http://m0115.web.fc2.com/ (dead link), http://cfile7.uf.tistory.com/image/14448E464F410BF22380BB -Pinouts thanks to http://www.68k.org/~degs/nextkeyboard.html -Keycodes from http://ftp.netbsd.org/pub/NetBSD/NetBSD-release-6/src/sys/arch/next68k/dev/ - -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 <stdint.h> -#include <stdbool.h> -#include <avr/io.h> -#include <util/delay.h> -#include "print.h" -#include "util.h" -#include "serial.h" -#include "matrix.h" -#include "debug.h" -#include "matrix.h" -#include "next_kbd.h" - -static void matrix_make(uint8_t code); -static void matrix_break(uint8_t code); - -static uint8_t matrix[MATRIX_ROWS]; -#define ROW(code) ((code>>3)&0xF) -#define COL(code) (code&0x07) - -static bool is_modified = false; - -/* number of matrix rows */ -inline -uint8_t matrix_rows(void) -{ - return MATRIX_ROWS; -} - -/* number of matrix columns */ -inline -uint8_t matrix_cols(void) -{ - return MATRIX_COLS; -} - -#ifndef NEXT_KBD_LED1_ON -#define NEXT_KBD_LED1_ON -#endif - -#ifndef NEXT_KBD_LED1_OFF -#define NEXT_KBD_LED1_OFF -#endif - -#define NEXT_KBD_PWR_READ (NEXT_KBD_PWR_PIN&(1<<NEXT_KBD_PWR_BIT)) - -static bool power_state = false; - -/* intialize matrix for scanning. should be called once. */ -void matrix_init(void) -{ -#ifdef DEBUG_ON_INIT - debug_enable = true; -#endif - - // I've found that the matrix likes a little while for things to - // settle down before it gets started. Not sure why :) - _delay_ms(250); - - dprintf("[ Intializing NeXT keyboard ]\n"); - NEXT_KBD_LED1_DDR |= (1<<NEXT_KBD_LED1_BIT); // LED pin to output - NEXT_KBD_LED1_ON; - - NEXT_KBD_PWR_DDR &= ~(1<<NEXT_KBD_PWR_BIT); // Power Button pin to input - NEXT_KBD_PWR_PIN |= (1<<NEXT_KBD_PWR_BIT); // KBD_PWR pull up - - power_state = NEXT_KBD_PWR_READ ? false : true; - dprintf("Initial power button state: %b\n", power_state); - - next_kbd_init(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; - -#ifdef NEXT_KBD_INIT_FLASH_LEDS - dprintf("flashing LEDs:"); - // flash the LEDs after initialization - bool leds_on = true; - for (uint8_t i = 0; i <= 6; i++) - { - leds_on = leds_on ? false : true; - dprintf(" %b", leds_on); - next_kbd_set_leds(leds_on, leds_on); - _delay_ms(250); - } - dprintf("\n"); -#endif - - dprintf("[ NeXT keyboard initialized ]\n"); - - return; -} - -#define NEXT_KBD_KEYCODE(response) (uint8_t)((response&0xFF)>>1) -#define NEXT_KBD_PRESSED_KEYCODE(response) (uint8_t)(((response)&0xF00)==0x400) -#define NEXT_KBD_PRESSED(response, mask) (uint8_t)(((response)&mask)>0) -#define NEXT_KBD_PRESSED_CONTROL(response) NEXT_KBD_PRESSED(response,0x01000) -#define NEXT_KBD_PRESSED_SHIFT_LEFT(response) NEXT_KBD_PRESSED(response,0x02000) -#define NEXT_KBD_PRESSED_SHIFT_RGHT(response) NEXT_KBD_PRESSED(response,0x04000) -#define NEXT_KBD_PRESSED_CMD_LEFT(response) NEXT_KBD_PRESSED(response,0x08000) -#define NEXT_KBD_PRESSED_CMD_RGHT(response) NEXT_KBD_PRESSED(response,0x10000) -#define NEXT_KBD_PRESSED_ALT_LEFT(response) NEXT_KBD_PRESSED(response,0x20000) -#define NEXT_KBD_PRESSED_ALT_RGHT(response) NEXT_KBD_PRESSED(response,0x40000) -#define NEXT_KBD_MAKE_OR_BREAK(key, code) \ - do { \ - if (NEXT_KBD_PRESSED_##key(resp) > 0) \ - matrix_make(code); \ - else \ - matrix_break(code); \ - } while (0); - -#define NEXT_KBD_PWR_KEYCODE 0x58 - -/* scan all key states on matrix */ -uint8_t matrix_scan(void) -{ - _delay_ms(5); - - //next_kbd_set_leds(false, false); - NEXT_KBD_LED1_OFF; - - is_modified = false; - - if (!NEXT_KBD_PWR_READ) { - matrix_make(NEXT_KBD_PWR_KEYCODE); - power_state = 1; - if (is_modified) - { - dprintf("Power state 1\n"); - - } - } else { - matrix_break(NEXT_KBD_PWR_KEYCODE); - power_state = 0; - if (is_modified) - { - dprintf("Power state 0\n"); - - } - } - - uint32_t resp = (next_kbd_recv()); - - if (resp == NEXT_KBD_KMBUS_IDLE) - { - return 0; - } - - NEXT_KBD_LED1_ON; - -#ifdef NEXT_KBD_SHIFT_FLASH_LEDS - next_kbd_set_leds( - NEXT_KBD_PRESSED_SHIFT_LEFT(resp) ? true : false, - NEXT_KBD_PRESSED_SHIFT_RGHT(resp) ? true : false - ); -#endif - - dprintf("[ r=%04lX keycode=%02X pressed=%X CTRL=%X SHIFT_LEFT=%X SHIFT_RGHT=%X CMD_LEFT=%X CMD_RGHT=%X ALT_LEFT=%X ALT_RGHT=%X ]\n", \ - resp, \ - NEXT_KBD_KEYCODE(resp), \ - NEXT_KBD_PRESSED_KEYCODE(resp), \ - NEXT_KBD_PRESSED_CONTROL(resp), \ - NEXT_KBD_PRESSED_SHIFT_LEFT(resp), \ - NEXT_KBD_PRESSED_SHIFT_RGHT(resp), \ - NEXT_KBD_PRESSED_CMD_LEFT(resp), \ - NEXT_KBD_PRESSED_CMD_RGHT(resp), \ - NEXT_KBD_PRESSED_ALT_LEFT(resp), \ - NEXT_KBD_PRESSED_ALT_RGHT(resp) \ - ); - - // Modifier keys don't return keycode; have to check the upper bits - NEXT_KBD_MAKE_OR_BREAK(ALT_RGHT, 0x51); - NEXT_KBD_MAKE_OR_BREAK(ALT_LEFT, 0x52); - NEXT_KBD_MAKE_OR_BREAK(CMD_RGHT, 0x53); - NEXT_KBD_MAKE_OR_BREAK(CMD_LEFT, 0x54); - NEXT_KBD_MAKE_OR_BREAK(SHIFT_RGHT, 0x55); - NEXT_KBD_MAKE_OR_BREAK(SHIFT_LEFT, 0x56); - NEXT_KBD_MAKE_OR_BREAK(CONTROL, 0x57); - NEXT_KBD_MAKE_OR_BREAK(KEYCODE, NEXT_KBD_KEYCODE(resp)); - - return 1; -} - -/* whether modified from previous scan. used after matrix_scan. */ -bool matrix_is_modified() -{ - return is_modified; -} - -/* whether a switch is on */ -inline -bool matrix_is_on(uint8_t row, uint8_t col) -{ - return (matrix[row] & (1<<col)); -} - -/* matrix state on row */ -inline -uint8_t matrix_get_row(uint8_t row) -{ - return matrix[row]; -} - -/* print matrix for debug */ -void matrix_print(void) -{ -} - -inline -static void matrix_make(uint8_t code) -{ - if (!matrix_is_on(ROW(code), COL(code))) { - matrix[ROW(code)] |= 1<<COL(code); - is_modified = true; - } -} - -inline -static void matrix_break(uint8_t code) -{ - if (matrix_is_on(ROW(code), COL(code))) { - matrix[ROW(code)] &= ~(1<<COL(code)); - is_modified = true; - } -} |