Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src by mbed official

cpp/I2CSlave.cpp

Committer:
mbed_official
Date:
2012-11-20
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751

File content as of revision 0:fd0d7bdfcdc2:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2012 ARM Limited
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#include "I2CSlave.h"

#if DEVICE_I2CSLAVE

namespace mbed {

I2CSlave::I2CSlave(PinName sda, PinName scl) {
    i2c_init(&_i2c, sda, scl);
    i2c_frequency(&_i2c, 100000);
    i2c_slave_mode(&_i2c, 1);
}

void I2CSlave::frequency(int hz) {
    i2c_frequency(&_i2c, hz);
}

void I2CSlave::address(int address) {
    int addr = (address & 0xFF) | 1;
    i2c_slave_address(&_i2c, 0, addr, 0);
}

int I2CSlave::receive(void) {
    return i2c_slave_receive(&_i2c);
}

int I2CSlave::read(char *data, int length) {
    return i2c_slave_read(&_i2c, data, length);
}

int I2CSlave::read(void) {
    return i2c_byte_read(&_i2c, 0);
}

int I2CSlave::write(const char *data, int length) {
    return i2c_slave_write(&_i2c, data, length);
}

int I2CSlave::write(int data) {
    return i2c_byte_write(&_i2c, data);
}

void I2CSlave::stop(void) {
    i2c_stop(&_i2c);
}

}

#endif