summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNick Brassel <nick@tzarc.org>2021-09-12 11:46:39 +1000
committerGitHub <noreply@github.com>2021-09-12 02:46:39 +0100
commitd0ac03ec8b2af7334ac657dadcf0601d6f3469c0 (patch)
tree2ffed2e10fa77367ef0fe7117f018a86e52137a7
parentcf68c6403c1fd53137e9134a1ac7a550a6595d52 (diff)
Remove unreferenced IBM4704, Sony NEWS, NeXT keyboard code. (#14380)
-rw-r--r--tmk_core/protocol/ibm4704.c185
-rw-r--r--tmk_core/protocol/ibm4704.h103
-rw-r--r--tmk_core/protocol/news.c161
-rw-r--r--tmk_core/protocol/news.h48
-rw-r--r--tmk_core/protocol/next_kbd.c219
-rw-r--r--tmk_core/protocol/next_kbd.h60
6 files changed, 0 insertions, 776 deletions
diff --git a/tmk_core/protocol/ibm4704.c b/tmk_core/protocol/ibm4704.c
deleted file mode 100644
index a19443976e..0000000000
--- a/tmk_core/protocol/ibm4704.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
-Copyright 2010,2011,2012,2013 Jun WAKO <wakojun@gmail.com>
-*/
-#include <stdbool.h>
-#include <util/delay.h>
-#include "debug.h"
-#include "ring_buffer.h"
-#include "ibm4704.h"
-
-#define WAIT(stat, us, err) \
- do { \
- if (!wait_##stat(us)) { \
- ibm4704_error = err; \
- goto ERROR; \
- } \
- } while (0)
-
-uint8_t ibm4704_error = 0;
-
-void ibm4704_init(void) {
- inhibit(); // keep keyboard from sending
- IBM4704_INT_INIT();
- IBM4704_INT_ON();
- idle(); // allow keyboard sending
-}
-
-/*
-Host to Keyboard
-----------------
-Data bits are LSB first and Parity is odd. Clock has around 60us high and 30us low part.
-
- ____ __ __ __ __ __ __ __ __ __ ________
-Clock \______/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
- ^ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ___
-Data ____|__/ X____X____X____X____X____X____X____X____X____X \___
- | Start 0 1 2 3 4 5 6 7 P Stop
- Request by host
-
-Start bit: can be long as 300-350us.
-Request: Host pulls Clock line down to request to send a command.
-Timing: After Request keyboard pull up Data and down Clock line to low for start bit.
- After request host release Clock line once Data line becomes hi.
- Host writes a bit while Clock is hi and Keyboard reads while low.
-Stop bit: Host releases or pulls up Data line to hi after 9th clock and waits for keyboard pull down the line to lo.
-*/
-uint8_t ibm4704_send(uint8_t data) {
- bool parity = true; // odd parity
- ibm4704_error = 0;
-
- IBM4704_INT_OFF();
-
- /* Request to send */
- idle();
- clock_lo();
-
- /* wait for Start bit(Clock:lo/Data:hi) */
- WAIT(data_hi, 300, 0x30);
-
- /* Data bit */
- for (uint8_t i = 0; i < 8; i++) {
- WAIT(clock_hi, 100, 0x40 + i);
- if (data & (1 << i)) {
- parity = !parity;
- data_hi();
- } else {
- data_lo();
- }
- WAIT(clock_lo, 100, 0x48 + i);
- }
-
- /* Parity bit */
- WAIT(clock_hi, 100, 0x34);
- if (parity) {
- data_hi();
- } else {
- data_lo();
- }
- WAIT(clock_lo, 100, 0x35);
-
- /* Stop bit */
- WAIT(clock_hi, 100, 0x34);
- data_hi();
-
- /* End */
- WAIT(data_lo, 100, 0x36);
-
- idle();
- IBM4704_INT_ON();
- return 0;
-ERROR:
- idle();
- if (ibm4704_error > 0x30) {
- xprintf("S:%02X ", ibm4704_error);
- }
- IBM4704_INT_ON();
- return -1;
-}
-
-/* wait forever to receive data */
-uint8_t ibm4704_recv_response(void) {
- while (!rbuf_has_data()) {
- _delay_ms(1);
- }
- return rbuf_dequeue();
-}
-
-uint8_t ibm4704_recv(void) {
- if (rbuf_has_data()) {
- return rbuf_dequeue();
- } else {
- return -1;
- }
-}
-
-/*
-Keyboard to Host
-----------------
-Data bits are LSB first and Parity is odd. Clock has around 60us high and 30us low part.
-
- ____ __ __ __ __ __ __ __ __ __ _______
-Clock \_____/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
- ____ ____ ____ ____ ____ ____ ____ ____ ____ ____
-Data ____/ X____X____X____X____X____X____X____X____X____X________
- Start 0 1 2 3 4 5 6 7 P Stop
-
-Start bit: can be long as 300-350us.
-Inhibit: Pull Data line down to inhibit keyboard to send.
-Timing: Host reads bit while Clock is hi.(rising edge)
-Stop bit: Keyboard pulls down Data line to lo after 9th clock.
-*/
-ISR(IBM4704_INT_VECT) {
- static enum { BIT0, BIT1, BIT2, BIT3, BIT4, BIT5, BIT6, BIT7, PARITY, STOP } state = BIT0;
- // LSB first
- static uint8_t data = 0;
- // Odd parity
- static uint8_t parity = false;
-
- ibm4704_error = 0;
-
- switch (state) {
- case BIT0:
- case BIT1:
- case BIT2:
- case BIT3:
- case BIT4:
- case BIT5:
- case BIT6:
- case BIT7:
- data >>= 1;
- if (data_in()) {
- data |= 0x80;
- parity = !parity;
- }
- break;
- case PARITY:
- if (data_in()) {
- parity = !parity;
- }
- if (!parity) goto ERROR;
- break;
- case STOP:
- // Data:Low
- WAIT(data_lo, 100, state);
- if (!rbuf_enqueue(data)) {
- print("rbuf: full\n");
- }
- ibm4704_error = IBM4704_ERR_NONE;
- goto DONE;
- break;
- default:
- goto ERROR;
- }
- state++;
- goto RETURN;
-ERROR:
- ibm4704_error = state;
- while (ibm4704_send(0xFE)) _delay_ms(1); // resend
- xprintf("R:%02X%02X\n", state, data);
-DONE:
- state = BIT0;
- data = 0;
- parity = false;
-RETURN:
- return;
-}
diff --git a/tmk_core/protocol/ibm4704.h b/tmk_core/protocol/ibm4704.h
deleted file mode 100644
index 4f88d148b3..0000000000
--- a/tmk_core/protocol/ibm4704.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
-Copyright 2014 Jun WAKO <wakojun@gmail.com>
-*/
-
-#pragma once
-
-#define IBM4704_ERR_NONE 0
-#define IBM4704_ERR_PARITY 0x70
-
-void ibm4704_init(void);
-uint8_t ibm4704_send(uint8_t data);
-uint8_t ibm4704_recv_response(void);
-uint8_t ibm4704_recv(void);
-
-/* Check pin configuration */
-#if !(defined(IBM4704_CLOCK_PORT) && defined(IBM4704_CLOCK_PIN) && defined(IBM4704_CLOCK_DDR) && defined(IBM4704_CLOCK_BIT))
-# error "ibm4704 clock pin configuration is required in config.h"
-#endif
-
-#if !(defined(IBM4704_DATA_PORT) && defined(IBM4704_DATA_PIN) && defined(IBM4704_DATA_DDR) && defined(IBM4704_DATA_BIT))
-# error "ibm4704 data pin configuration is required in config.h"
-#endif
-
-/*--------------------------------------------------------------------
- * static functions
- *------------------------------------------------------------------*/
-static inline void clock_lo(void) {
- IBM4704_CLOCK_PORT &= ~(1 << IBM4704_CLOCK_BIT);
- IBM4704_CLOCK_DDR |= (1 << IBM4704_CLOCK_BIT);
-}
-static inline void clock_hi(void) {
- /* input with pull up */
- IBM4704_CLOCK_DDR &= ~(1 << IBM4704_CLOCK_BIT);
- IBM4704_CLOCK_PORT |= (1 << IBM4704_CLOCK_BIT);
-}
-static inline bool clock_in(void) {
- IBM4704_CLOCK_DDR &= ~(1 << IBM4704_CLOCK_BIT);
- IBM4704_CLOCK_PORT |= (1 << IBM4704_CLOCK_BIT);
- _delay_us(1);
- return IBM4704_CLOCK_PIN & (1 << IBM4704_CLOCK_BIT);
-}
-static inline void data_lo(void) {
- IBM4704_DATA_PORT &= ~(1 << IBM4704_DATA_BIT);
- IBM4704_DATA_DDR |= (1 << IBM4704_DATA_BIT);
-}
-static inline void data_hi(void) {
- /* input with pull up */
- IBM4704_DATA_DDR &= ~(1 << IBM4704_DATA_BIT);
- IBM4704_DATA_PORT |= (1 << IBM4704_DATA_BIT);
-}
-static inline bool data_in(void) {
- IBM4704_DATA_DDR &= ~(1 << IBM4704_DATA_BIT);
- IBM4704_DATA_PORT |= (1 << IBM4704_DATA_BIT);
- _delay_us(1);
- return IBM4704_DATA_PIN & (1 << IBM4704_DATA_BIT);
-}
-
-static inline uint16_t wait_clock_lo(uint16_t us) {
- while (clock_in() && us) {
- asm("");
- _delay_us(1);
- us--;
- }
- return us;
-}
-static inline uint16_t wait_clock_hi(uint16_t us) {
- while (!clock_in() && us) {
- asm("");
- _delay_us(1);
- us--;
- }
- return us;
-}
-static inline uint16_t wait_data_lo(uint16_t us) {
- while (data_in() && us) {
- asm("");
- _delay_us(1);
- us--;
- }
- return us;
-}
-static inline uint16_t wait_data_hi(uint16_t us) {
- while (!data_in() && us) {
- asm("");
- _delay_us(1);
- us--;
- }
- return us;
-}
-
-/* idle state that device can send */
-static inline void idle(void) {
- clock_hi();
- data_hi();
-}
-
-/* inhibit device to send
- * keyboard checks Data line on start bit(Data:hi) and it stops sending if Data line is low.
- */
-static inline void inhibit(void) {
- clock_hi();
- data_lo();
-}
diff --git a/tmk_core/protocol/news.c b/tmk_core/protocol/news.c
deleted file mode 100644
index 4463e8dd42..0000000000
--- a/tmk_core/protocol/news.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
-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 "news.h"
-
-void news_init(void) { NEWS_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 news_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(NEWS_KBD_RX_VECT) {
- uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
- if (next != rbuf_tail) {
- rbuf[rbuf_head] = NEWS_KBD_RX_DATA;
- rbuf_head = next;
- }
-}
-
-/*
-SONY NEWS Keyboard Protocol
-===========================
-
-Resources
----------
- Mouse protocol of NWA-5461(Japanese)
- http://groups.google.com/group/fj.sys.news/browse_thread/thread/a01b3e3ac6ae5b2d
-
- SONY NEWS Info(Japanese)
- http://katsu.watanabe.name/doc/sonynews/
-
-
-Pinouts
--------
- EIA 232 male connector from NWP-5461
- -------------
- \ 1 2 3 4 5 /
- \ 6 7 8 9 /
- ---------
- 1 VCC
- 2 BZ(Speaker)
- 3 Keyboard Data(from keyboard MCU TxD)
- 4 NC
- 5 GND
- 6 Unknown Input(to keyboard MCU RxD via schmitt trigger)
- 7 Mouse Data(from Mouse Ext connector)
- 8 Unknown Input(to Keyboard MCU Input via diode and buffer)
- 9 FG
- NOTE: Two LED on keyboard are controlled by pin 6,8?
-
- EIA 232 male connector from NWP-411A
- -------------
- \ 1 2 3 4 5 /
- \ 6 7 8 9 /
- ---------
- 1 VCC
- 2 BZ(Speaker)
- 3 Keyboard Data(from keyboard MCU TxD)
- 4 NC
- 5 GND
- 6 NC
- 7 Mouse Data(from Mouse Ext connector)
- 8 NC
- 9 FG
- NOTE: These are just from my guess and not confirmed.
-
-
-Signaling
----------
- ~~~~~~~~~~ ____XOO0X111X222X333X444X555X666X777~~~~ ~~~~~~~
- Idle Start LSB MSB Stop Idle
-
- Idle: High
- Start bit: Low
- Stop bit: High
- Bit order: LSB first
-
- Baud rate: 9600
- Interface: TTL level(5V) UART
-
- NOTE: This is observed on NWP-5461 with its DIP switch all OFF.
-
-
-Format
-------
- MSB LSB
- 7 6 5 4 3 2 1 0 bit
- | | | | | | | |
- | +-+-+-+-+-+-+-- scan code(00-7F)
- +---------------- break flag: sets when released
-
-
-Scan Codes
-----------
- SONY NEWS NWP-5461
- ,---. ,------------------------, ,------------------------. ,---------.
- | 7A| | 01 | 02 | 03 | 04 | 05 | | 06 | 07 | 08 | 09 | 0A | | 68 | 69 | ,-----------.
- `---' `------------------------' `------------------------' `---------' | 64| 65| 52|
- ,-------------------------------------------------------------. ,---. ,---------------|
- | 0B| 0C| 0D| 0E| 0F| 10| 11| 12| 13| 14| 15| 16| 17| 18| 19 | | 6A| | 4B| 4C| 4D| 4E|
- |-------------------------------------------------------------| |---| |---------------|
- | 1A | 1B| 1C| 1D| 1E| 1F| 20| 21| 22| 23| 24| 25| 26| 27| | | 6B| | 4F| 50| 51| 56|
- |---------------------------------------------------------' | |---| |---------------|
- | 28 | 29| 2A| 2B| 2C| 2D| 2E| 2F| 30| 31| 32| 33| 34| 35 | | 6C| | 53| 54| 55| |
- |-------------------------------------------------------------| |---| |-----------| 5A|
- | 36 | 37| 38| 39| 3A| 3B| 3C| 3D| 3E| 3F| 40| 41| 42 | | 6D| | 57| 59| 58| |
- |-------------------------------------------------------------| |---| |---------------|
- | 43 | 44 | 45 | 46 | 47 | 48| 49| 4A | | 6E| | 66| 5B| 5C| 5D|
- `-------------------------------------------------------------' `---' `---------------'
-*/
diff --git a/tmk_core/protocol/news.h b/tmk_core/protocol/news.h
deleted file mode 100644
index 327a13856d..0000000000
--- a/tmk_core/protocol/news.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
-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.
-*/
-
-#pragma once
-
-/*
- * Primitive PS/2 Library for AVR
- */
-
-/* host role */
-void news_init(void);
-uint8_t news_recv(void);
-
-/* device role */
diff --git a/tmk_core/protocol/next_kbd.c b/tmk_core/protocol/next_kbd.c
deleted file mode 100644
index 6f118e6172..0000000000
--- a/tmk_core/protocol/next_kbd.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
-
-NeXT non-ADB Keyboard Protocol
-
-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 <util/atomic.h>
-#include <util/delay.h>
-#include "next_kbd.h"
-#include "debug.h"
-
-static inline void out_lo(void);
-static inline void out_hi(void);
-static inline void query(void);
-static inline void reset(void);
-static inline uint32_t response(void);
-
-/* The keyboard sends signal with 50us pulse width on OUT line
- * while it seems to miss the 50us pulse on In line.
- * next_kbd_set_leds() often fails to sync LED status with 50us
- * but it works well with 51us(+1us) on TMK converter(ATMeaga32u2) at least.
- * TODO: test on Teensy and Pro Micro configuration
- */
-#define out_hi_delay(intervals) \
- do { \
- out_hi(); \
- _delay_us((NEXT_KBD_TIMING + 1) * intervals); \
- } while (0);
-#define out_lo_delay(intervals) \
- do { \
- out_lo(); \
- _delay_us((NEXT_KBD_TIMING + 1) * intervals); \
- } while (0);
-#define query_delay(intervals) \
- do { \
- query(); \
- _delay_us((NEXT_KBD_TIMING + 1) * intervals); \
- } while (0);
-#define reset_delay(intervals) \
- do { \
- reset(); \
- _delay_us((NEXT_KBD_TIMING + 1) * intervals); \
- } while (0);
-
-void next_kbd_init(void) {
- out_hi();
- NEXT_KBD_IN_DDR &= ~(1 << NEXT_KBD_IN_BIT); // KBD_IN to input
- NEXT_KBD_IN_PORT |= (1 << NEXT_KBD_IN_BIT); // KBD_IN pull up
-
- query_delay(5);
- reset_delay(8);
-
- query_delay(5);
- reset_delay(8);
-}
-
-void next_kbd_set_leds(bool left, bool right) {
- cli();
- out_lo_delay(9);
-
- out_hi_delay(3);
- out_lo_delay(1);
-
- if (left) {
- out_hi_delay(1);
- } else {
- out_lo_delay(1);
- }
-
- if (right) {
- out_hi_delay(1);
- } else {
- out_lo_delay(1);
- }
-
- out_lo_delay(7);
- out_hi();
- sei();
-}
-
-#define NEXT_KBD_READ (NEXT_KBD_IN_PIN & (1 << NEXT_KBD_IN_BIT))
-uint32_t next_kbd_recv(void) {
- // First check to make sure that the keyboard is actually connected;
- // if not, just return
- // TODO: reflect the status of the keyboard in a return code
- if (!NEXT_KBD_READ) {
- sei();
- return 0;
- }
-
- query();
- uint32_t resp = response();
-
- return resp;
-}
-
-static inline uint32_t response(void) {
- cli();
-
- // try a 5ms read; this should be called after the query method has
- // been run so if a key is pressed we should get a response within
- // 5ms; if not then send a reset and exit
- uint8_t i = 0;
- uint32_t data = 0;
- uint16_t reset_timeout = 50000;
- while (NEXT_KBD_READ && reset_timeout) {
- asm("");
- _delay_us(1);
- reset_timeout--;
- }
- if (!reset_timeout) {
- reset();
- sei();
- return 0;
- }
- _delay_us(NEXT_KBD_TIMING / 2);
- for (; i < 22; i++) {
- if (NEXT_KBD_READ) {
- data |= ((uint32_t)1 << i);
- /* Note:
- * My testing with the ATmega32u4 showed that there might
- * something wrong with the timing here; by the end of the
- * second data byte some of the modifiers can get bumped out
- * to the next bit over if we just cycle through the data
- * based on the expected interval. There is a bit (i = 10)
- * in the middle of the data that is always on followed by
- * one that is always off - so we'll use that to reset our
- * timing in case we've gotten ahead of the keyboard;
- */
- if (i == 10) {
- i++;
- while (NEXT_KBD_READ)
- ;
- _delay_us(NEXT_KBD_TIMING / 2);
- }
- } else {
- /* redundant - but I don't want to remove if it might screw
- * up the timing
- */
- data |= ((uint32_t)0 << i);
- }
- _delay_us(NEXT_KBD_TIMING);
- }
-
- sei();
-
- return data;
-}
-
-static inline void out_lo(void) {
- NEXT_KBD_OUT_PORT &= ~(1 << NEXT_KBD_OUT_BIT);
- NEXT_KBD_OUT_DDR |= (1 << NEXT_KBD_OUT_BIT);
-}
-
-static inline void out_hi(void) {
- /* input with pull up */
- NEXT_KBD_OUT_DDR &= ~(1 << NEXT_KBD_OUT_BIT);
- NEXT_KBD_OUT_PORT |= (1 << NEXT_KBD_OUT_BIT);
-}
-
-static inline void query(void) {
- out_lo_delay(5);
- out_hi_delay(1);
- out_lo_delay(3);
- out_hi();
-}
-
-static inline void reset(void) {
- out_lo_delay(1);
- out_hi_delay(4);
- out_lo_delay(1);
- out_hi_delay(6);
- out_lo_delay(10);
- out_hi();
-}
diff --git a/tmk_core/protocol/next_kbd.h b/tmk_core/protocol/next_kbd.h
deleted file mode 100644
index 1249ebf392..0000000000
--- a/tmk_core/protocol/next_kbd.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
-NeXT non-ADB Keyboard Protocol
-
-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.
-
-*/
-
-#pragma once
-
-#include <stdbool.h>
-
-#define NEXT_KBD_KMBUS_IDLE 0x300600
-#define NEXT_KBD_TIMING 50
-
-extern uint8_t next_kbd_error;
-
-/* host role */
-void next_kbd_init(void);
-void next_kbd_set_leds(bool left, bool right);
-uint32_t next_kbd_recv(void);