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-rw-r--r--converter/next_usb/matrix.c271
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 d91cd25774..0000000000
--- 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;
- }
-}
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