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drivers/source/I2CSlave.cpp
80 строк
2 KB
Przemyslaw Stekiel
Change explicit pinmap to static pinmap
28 ноя 2019, 10:32
28 ноя 2019, 10:32
b2dad08
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/* mbed Microcontroller Library * Copyright (c) 2006-2019 ARM Limited * SPDX-License-Identifier: Apache-2.0 * * 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); } I2CSlave::I2CSlave(const i2c_pinmap_t &static_pinmap) : _i2c() { i2c_init_direct(&_i2c, &static_pinmap); 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