c3e2dc6b48
Philips I2C bus generic support other new bus architecture.
90 lines
2.0 KiB
Objective-C
90 lines
2.0 KiB
Objective-C
#
|
|
# Copyright (c) 1998 Nicolas Souchu
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. 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.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
#
|
|
# $Id: iicbus_if.m,v 1.1.2.4 1998/08/13 17:10:43 son Exp $
|
|
#
|
|
|
|
INTERFACE iicbus
|
|
|
|
#
|
|
# Interprete interrupt
|
|
#
|
|
METHOD int intr {
|
|
device_t dev;
|
|
int event;
|
|
char *buf;
|
|
};
|
|
|
|
#
|
|
# Send REPEATED_START condition
|
|
#
|
|
METHOD int repeated_start {
|
|
device_t dev;
|
|
u_char slave;
|
|
};
|
|
|
|
#
|
|
# Send START condition
|
|
#
|
|
METHOD int start {
|
|
device_t dev;
|
|
u_char slave;
|
|
};
|
|
|
|
#
|
|
# Send STOP condition
|
|
#
|
|
METHOD int stop {
|
|
device_t dev;
|
|
};
|
|
|
|
#
|
|
# Read from I2C bus
|
|
#
|
|
METHOD int read {
|
|
device_t dev;
|
|
char *buf;
|
|
int len;
|
|
int *bytes;
|
|
};
|
|
|
|
#
|
|
# Write to the I2C bus
|
|
#
|
|
METHOD int write {
|
|
device_t dev;
|
|
char *buf;
|
|
int len;
|
|
int *bytes;
|
|
};
|
|
|
|
#
|
|
# Reset I2C bus
|
|
#
|
|
METHOD int reset {
|
|
device_t dev;
|
|
u_char speed;
|
|
};
|