mirror of https://github.com/ARMmbed/mbed-os.git
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "drivers/I2CSlave.h"
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#if DEVICE_I2CSLAVE
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namespace mbed {
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I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c()
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{
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i2c_init(&_i2c, sda, scl);
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i2c_frequency(&_i2c, 100000);
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i2c_slave_mode(&_i2c, 1);
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}
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void I2CSlave::frequency(int hz)
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{
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i2c_frequency(&_i2c, hz);
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}
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void I2CSlave::address(int address)
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{
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int addr = (address & 0xFF) | 1;
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i2c_slave_address(&_i2c, 0, addr, 0);
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}
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int I2CSlave::receive(void)
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{
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return i2c_slave_receive(&_i2c);
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}
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int I2CSlave::read(char *data, int length)
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{
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return i2c_slave_read(&_i2c, data, length) != length;
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}
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int I2CSlave::read(void)
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{
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return i2c_byte_read(&_i2c, 0);
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}
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int I2CSlave::write(const char *data, int length)
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{
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return i2c_slave_write(&_i2c, data, length) != length;
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}
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int I2CSlave::write(int data)
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{
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return i2c_byte_write(&_i2c, data);
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}
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void I2CSlave::stop(void)
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{
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i2c_stop(&_i2c);
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}
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}
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#endif
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