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Diffstat (limited to 'protocol/news.c')
| -rw-r--r-- | protocol/news.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/protocol/news.c b/protocol/news.c deleted file mode 100644 index 00755a5e2..000000000 --- a/protocol/news.c +++ /dev/null @@ -1,168 +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| - `-------------------------------------------------------------' `---' `---------------' -*/ |