diff options
Diffstat (limited to 'protocol')
| -rw-r--r-- | protocol/x68k.c | 75 | ||||
| -rw-r--r-- | protocol/x68k.h | 47 |
2 files changed, 0 insertions, 122 deletions
diff --git a/protocol/x68k.c b/protocol/x68k.c deleted file mode 100644 index d17af51cc2..0000000000 --- a/protocol/x68k.c +++ /dev/null @@ -1,75 +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 "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/protocol/x68k.h b/protocol/x68k.h deleted file mode 100644 index 2cfda63a7a..0000000000 --- a/protocol/x68k.h +++ /dev/null @@ -1,47 +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. -*/ - -#ifndef X68K_H -#define X68K_H - -/* host role */ -void x68k_init(void); -uint8_t x68k_recv(void); - -/* device role */ - -#endif |