74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/*
|
|
Copyright 2018 Jun WAKO <wakojun@gmail.com>
|
|
Copyright 2016 Ethan Apodaca <papodaca@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
|
|
|
|
#include <stdint.h>
|
|
#include "gpio.h"
|
|
|
|
#define XT_DATA_IN() \
|
|
do { \
|
|
setPinInput(XT_DATA_PIN); \
|
|
writePinHigh(XT_DATA_PIN); \
|
|
} while (0)
|
|
|
|
#define XT_DATA_READ() readPin(XT_DATA_PIN)
|
|
|
|
#define XT_DATA_LO() \
|
|
do { \
|
|
writePinLow(XT_DATA_PIN); \
|
|
setPinOutput(XT_DATA_PIN); \
|
|
} while (0)
|
|
|
|
#define XT_CLOCK_IN() \
|
|
do { \
|
|
setPinInput(XT_CLOCK_PIN); \
|
|
writePinHigh(XT_CLOCK_PIN); \
|
|
} while (0)
|
|
|
|
#define XT_CLOCK_READ() readPin(XT_CLOCK_PIN)
|
|
|
|
#define XT_CLOCK_LO() \
|
|
do { \
|
|
writePinLow(XT_CLOCK_PIN); \
|
|
setPinOutput(XT_CLOCK_PIN); \
|
|
} while (0)
|
|
|
|
void xt_host_init(void);
|
|
|
|
uint8_t xt_host_recv(void);
|