From b64143d0dc615f952d2d464263cb3ff11fa82834 Mon Sep 17 00:00:00 2001 From: tmk Date: Thu, 18 Oct 2012 10:41:37 +0900 Subject: [PATCH 1/2] Add Sun converter initial files. --- protocol/serial.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++ protocol/serial.h | 45 ++++++++++++++++++++++++++++ 2 files changed, 120 insertions(+) create mode 100644 protocol/serial.c create mode 100644 protocol/serial.h diff --git a/protocol/serial.c b/protocol/serial.c new file mode 100644 index 00000000..b5c2ae31 --- /dev/null +++ b/protocol/serial.c @@ -0,0 +1,75 @@ +/* +Copyright 2012 Jun WAKO + +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 +#include +#include +#include "serial.h" + + +void serial_init(void) +{ + SERIAL_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 serial_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(SERIAL_RX_VECT) +{ + uint8_t next = (rbuf_head + 1) % RBUF_SIZE; + if (next != rbuf_tail) { + rbuf[rbuf_head] = SERIAL_RX_DATA; + rbuf_head = next; + } +} diff --git a/protocol/serial.h b/protocol/serial.h new file mode 100644 index 00000000..93b9ee92 --- /dev/null +++ b/protocol/serial.h @@ -0,0 +1,45 @@ +/* +Copyright 2012 Jun WAKO + +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 SERIAL_H +#define SERIAL_H + +/* host role */ +void serial_init(void); +uint8_t serial_recv(void); + +#endif From 6536dc9a145f42c26d16f6c3a98b9c8225fc9c3e Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 19 Oct 2012 14:06:18 +0900 Subject: [PATCH 2/2] Use software serial for Sun. --- common/mousekey.h | 2 +- protocol/{serial.c => serial_soft.c} | 47 +++++++++++++++++++++++++--- rules.mk | 2 +- 3 files changed, 45 insertions(+), 6 deletions(-) rename protocol/{serial.c => serial_soft.c} (71%) diff --git a/common/mousekey.h b/common/mousekey.h index ac26a46c..d8d7beaa 100644 --- a/common/mousekey.h +++ b/common/mousekey.h @@ -45,7 +45,7 @@ along with this program. If not, see . #define MOUSEKEY_TIME_TO_MAX 20 #endif #ifndef MOUSEKEY_WHEEL_MAX_SPEED -#define MOUSEKEY_WHEEL_MAX_SPEED 16 +#define MOUSEKEY_WHEEL_MAX_SPEED 8 #endif #ifndef MOUSEKEY_WHEEL_TIME_TO_MAX #define MOUSEKEY_WHEEL_TIME_TO_MAX 40 diff --git a/protocol/serial.c b/protocol/serial_soft.c similarity index 71% rename from protocol/serial.c rename to protocol/serial_soft.c index b5c2ae31..b7d06b64 100644 --- a/protocol/serial.c +++ b/protocol/serial_soft.c @@ -38,12 +38,19 @@ POSSIBILITY OF SUCH DAMAGE. #include #include #include +#include #include "serial.h" +/* + * Stupid Inefficient Busy-wait Software Serial + * is still useful for negative logic signal like Sun protocol not supported by hardware USART. + */ + +#define WAIT_US (1000000/SERIAL_BAUD) void serial_init(void) { - SERIAL_RX_INIT(); + SERIAL_RXD_INIT(); } // RX ring buffer @@ -64,12 +71,44 @@ uint8_t serial_recv(void) return data; } -// USART RX complete interrupt -ISR(SERIAL_RX_VECT) +//ISR(INT2_vect) +ISR(SERIAL_RXD_VECT) { + SERIAL_RXD_INT_ENTER() + + uint8_t data = 0; +#ifdef SERIAL_BIT_ORDER_MSB + uint8_t pos = 0x80; +#else + uint8_t pos = 0x01; +#endif + // to center of start bit + _delay_us(WAIT_US/2); + do { + // to center of next bit + _delay_us(WAIT_US); + + if (SERIAL_RXD_PIN&(1<>= 1; +#else + pos <<= 1; +#endif + } while (pos); + // to center of stop bit + _delay_us(WAIT_US); + +#ifdef SERIAL_NEGATIVE_LOGIC + data = ~data; +#endif + uint8_t next = (rbuf_head + 1) % RBUF_SIZE; if (next != rbuf_tail) { - rbuf[rbuf_head] = SERIAL_RX_DATA; + rbuf[rbuf_head] = data; rbuf_head = next; } + + SERIAL_RXD_INT_EXIT(); } diff --git a/rules.mk b/rules.mk index f53fe912..2e4fce51 100644 --- a/rules.mk +++ b/rules.mk @@ -252,7 +252,7 @@ EXTMEMOPTS = # (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12' # LDFLAGS = -Wl,-Map=$(TARGET).map,--cref -LDFLAGS += -Wl,--relax +#LDFLAGS += -Wl,--relax LDFLAGS += -Wl,--gc-sections LDFLAGS += $(EXTMEMOPTS) LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))