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/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "I2CSlave.h"
#if DEVICE_I2CSLAVE
namespace mbed {
I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
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) != 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) != length;
}
int I2CSlave::write(int data) {
return i2c_byte_write(&_i2c, data);
}
void I2CSlave::stop(void) {
i2c_stop(&_i2c);
}
}
#endif
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