66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
||
|
|
*
|
||
|
|
* This file is part of PortaPack.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; see the file COPYING. If not, write to
|
||
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
||
|
|
* Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "i2c_pp.hpp"
|
||
|
|
|
||
|
|
void I2C::start(const I2CConfig& config) {
|
||
|
|
i2cStart(_driver, &config);
|
||
|
|
}
|
||
|
|
|
||
|
|
void I2C::stop() {
|
||
|
|
i2cStop(_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool I2C::transfer(
|
||
|
|
const address_t slave_address,
|
||
|
|
const uint8_t* const data_tx, const size_t count_tx,
|
||
|
|
uint8_t* const data_rx, const size_t count_rx,
|
||
|
|
systime_t timeout
|
||
|
|
) {
|
||
|
|
i2cAcquireBus(_driver);
|
||
|
|
const msg_t status = i2cMasterTransmitTimeout(
|
||
|
|
_driver, slave_address, data_tx, count_tx, data_rx, count_rx, timeout
|
||
|
|
);
|
||
|
|
i2cReleaseBus(_driver);
|
||
|
|
return (status == RDY_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool I2C::receive(
|
||
|
|
const address_t slave_address,
|
||
|
|
uint8_t* const data, const size_t count,
|
||
|
|
systime_t timeout
|
||
|
|
) {
|
||
|
|
i2cAcquireBus(_driver);
|
||
|
|
const msg_t status = i2cMasterReceiveTimeout(
|
||
|
|
_driver, slave_address, data, count, timeout
|
||
|
|
);
|
||
|
|
i2cReleaseBus(_driver);
|
||
|
|
return (status == RDY_OK);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool I2C::transmit(
|
||
|
|
const address_t slave_address,
|
||
|
|
const uint8_t* const data, const size_t count,
|
||
|
|
systime_t timeout
|
||
|
|
) {
|
||
|
|
return transfer(slave_address, data, count, NULL, 0, timeout);
|
||
|
|
}
|