Life is random and unfair!
Fork of mbed-dev by
Embed:
(wiki syntax)
Show/hide line numbers
I2CSlave.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #include "drivers/I2CSlave.h" 00017 00018 #if DEVICE_I2CSLAVE 00019 00020 namespace mbed { 00021 00022 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() { 00023 i2c_init(&_i2c, sda, scl); 00024 i2c_frequency(&_i2c, 100000); 00025 i2c_slave_mode(&_i2c, 1); 00026 } 00027 00028 void I2CSlave::frequency(int hz) { 00029 i2c_frequency(&_i2c, hz); 00030 } 00031 00032 void I2CSlave::address(int address) { 00033 int addr = (address & 0xFF) | 1; 00034 i2c_slave_address(&_i2c, 0, addr, 0); 00035 } 00036 00037 int I2CSlave::receive(void) { 00038 return i2c_slave_receive(&_i2c); 00039 } 00040 00041 int I2CSlave::read(char *data, int length) { 00042 return i2c_slave_read(&_i2c, data, length) != length; 00043 } 00044 00045 int I2CSlave::read(void) { 00046 return i2c_byte_read(&_i2c, 0); 00047 } 00048 00049 int I2CSlave::write(const char *data, int length) { 00050 return i2c_slave_write(&_i2c, data, length) != length; 00051 } 00052 00053 int I2CSlave::write(int data) { 00054 return i2c_byte_write(&_i2c, data); 00055 } 00056 00057 void I2CSlave::stop(void) { 00058 i2c_stop(&_i2c); 00059 } 00060 00061 } 00062 00063 #endif
Generated on Tue Jul 12 2022 19:28:24 by 1.7.2