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Diff: drivers/I2CSlave.cpp
- Revision:
- 149:156823d33999
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/I2CSlave.cpp Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,63 @@ +/* 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 "drivers/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