Linduino
1.3.0
Linear Technology Arduino-Compatible Demonstration Board
LT_Wire.h
Go to the documentation of this file.
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/*!
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TwoWire.h - TWI/I2C library for Arduino & Wiring
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Copyright (c) 2006 Nicholas Zambetti. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts
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Modified 2014 to conserve memory for master mode and PMBus compliance
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*/
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/*! @file
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@ingroup LT_Wire
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Library Header File for LT_Wire
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*/
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#ifndef LT_TwoWire_h
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#define LT_TwoWire_h
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#include <inttypes.h>
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#include <Wire.h>
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class
LT_TwoWire
:
public
TwoWire
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{
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public
:
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LT_TwoWire
();
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//! Initiate Prep
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//! @speed 10000 to 400000
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//! @return void
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void
begin
(uint32_t speed);
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//! Read from a slave I2C device.
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//! @return number of bytes read. If different from quantity, something bad happened.
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uint8_t
requestFrom
(uint8_t
address
,
//!< 7-bit I2C address
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uint8_t *acceptBuffer,
//!< buffer pointer to fill
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uint16_t quantity
//!< anticipated length of read
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);
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//! Read from a slave I2C device.
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//! @return number of bytes read. If different from quantity, something bad happened.
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uint8_t
requestFrom
(uint8_t address,
//!< 7-bit I2C address
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uint8_t *acceptBuffer,
//!< buffer pointer to fill
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uint16_t quantity,
//!< anticipated length of read
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uint8_t sendStop
//!< whether to STOP or anticipate a repeated START
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);
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//! Read from a slave I2C device.
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//! @return number of bytes read. If different from quantity, something bad happened.
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uint8_t
requestFrom
(
int
address,
//!< 7-bit I2C address
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uint8_t *acceptBuffer,
//!< buffer pointer to fill
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int
quantity
//!< anticipated length of read
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);
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//! Read from a slave I2C device.
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//! @return number of bytes read. If different from quantity, something bad happened.
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uint8_t
requestFrom
(
int
address,
//!< 7-bit I2C address
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uint8_t *acceptBuffer,
//!< buffer pointer to fill
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int
quantity,
//!< anticipated length of read
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int
sendStop
//!< whether to STOP or anticipate a repeated START
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);
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};
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extern
LT_TwoWire
LT_Wire
;
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#endif
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LT_TwoWire
Definition:
LT_Wire.h:36
LT_Wire
LT_TwoWire LT_Wire
Definition:
LT_Wire.cpp:84
LT_TwoWire::requestFrom
uint8_t requestFrom(uint8_t address, uint8_t *acceptBuffer, uint16_t quantity)
Read from a slave I2C device.
Definition:
LT_Wire.cpp:67
address
static uint8_t address
Definition:
DC2091A.ino:83
LT_TwoWire::LT_TwoWire
LT_TwoWire()
Definition:
LT_Wire.cpp:46
LT_TwoWire::begin
void begin(uint32_t speed)
Initiate Prep 10000 to 400000.
Definition:
LT_Wire.cpp:52
LTSketchbook
libraries
LT_SMBUS
LT_Wire.h
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