Mateusz Kowalik / Application

USB Serial application

Fork of USBSerial_HelloWorld by Samuel Mokrani

mbed-dev/drivers/I2CSlave.cpp@10:41552d038a69, 2017-01-10 (annotated)

Committer:
Zaitsev
Date:
Tue Jan 10 20:42:26 2017 +0000
Revision:
10:41552d038a69
USB Serial bi-directional bridge

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Zaitsev 10:41552d038a69 1 /* mbed Microcontroller Library
Zaitsev 10:41552d038a69 2 * Copyright (c) 2006-2013 ARM Limited
Zaitsev 10:41552d038a69 3 *
Zaitsev 10:41552d038a69 4 * Licensed under the Apache License, Version 2.0 (the "License");
Zaitsev 10:41552d038a69 5 * you may not use this file except in compliance with the License.
Zaitsev 10:41552d038a69 6 * You may obtain a copy of the License at
Zaitsev 10:41552d038a69 7 *
Zaitsev 10:41552d038a69 8 * http://www.apache.org/licenses/LICENSE-2.0
Zaitsev 10:41552d038a69 9 *
Zaitsev 10:41552d038a69 10 * Unless required by applicable law or agreed to in writing, software
Zaitsev 10:41552d038a69 11 * distributed under the License is distributed on an "AS IS" BASIS,
Zaitsev 10:41552d038a69 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Zaitsev 10:41552d038a69 13 * See the License for the specific language governing permissions and
Zaitsev 10:41552d038a69 14 * limitations under the License.
Zaitsev 10:41552d038a69 15 */
Zaitsev 10:41552d038a69 16 #include "drivers/I2CSlave.h"
Zaitsev 10:41552d038a69 17
Zaitsev 10:41552d038a69 18 #if DEVICE_I2CSLAVE
Zaitsev 10:41552d038a69 19
Zaitsev 10:41552d038a69 20 namespace mbed {
Zaitsev 10:41552d038a69 21
Zaitsev 10:41552d038a69 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
Zaitsev 10:41552d038a69 23 i2c_init(&_i2c, sda, scl);
Zaitsev 10:41552d038a69 24 i2c_frequency(&_i2c, 100000);
Zaitsev 10:41552d038a69 25 i2c_slave_mode(&_i2c, 1);
Zaitsev 10:41552d038a69 26 }
Zaitsev 10:41552d038a69 27
Zaitsev 10:41552d038a69 28 void I2CSlave::frequency(int hz) {
Zaitsev 10:41552d038a69 29 i2c_frequency(&_i2c, hz);
Zaitsev 10:41552d038a69 30 }
Zaitsev 10:41552d038a69 31
Zaitsev 10:41552d038a69 32 void I2CSlave::address(int address) {
Zaitsev 10:41552d038a69 33 int addr = (address & 0xFF) | 1;
Zaitsev 10:41552d038a69 34 i2c_slave_address(&_i2c, 0, addr, 0);
Zaitsev 10:41552d038a69 35 }
Zaitsev 10:41552d038a69 36
Zaitsev 10:41552d038a69 37 int I2CSlave::receive(void) {
Zaitsev 10:41552d038a69 38 return i2c_slave_receive(&_i2c);
Zaitsev 10:41552d038a69 39 }
Zaitsev 10:41552d038a69 40
Zaitsev 10:41552d038a69 41 int I2CSlave::read(char *data, int length) {
Zaitsev 10:41552d038a69 42 return i2c_slave_read(&_i2c, data, length) != length;
Zaitsev 10:41552d038a69 43 }
Zaitsev 10:41552d038a69 44
Zaitsev 10:41552d038a69 45 int I2CSlave::read(void) {
Zaitsev 10:41552d038a69 46 return i2c_byte_read(&_i2c, 0);
Zaitsev 10:41552d038a69 47 }
Zaitsev 10:41552d038a69 48
Zaitsev 10:41552d038a69 49 int I2CSlave::write(const char *data, int length) {
Zaitsev 10:41552d038a69 50 return i2c_slave_write(&_i2c, data, length) != length;
Zaitsev 10:41552d038a69 51 }
Zaitsev 10:41552d038a69 52
Zaitsev 10:41552d038a69 53 int I2CSlave::write(int data) {
Zaitsev 10:41552d038a69 54 return i2c_byte_write(&_i2c, data);
Zaitsev 10:41552d038a69 55 }
Zaitsev 10:41552d038a69 56
Zaitsev 10:41552d038a69 57 void I2CSlave::stop(void) {
Zaitsev 10:41552d038a69 58 i2c_stop(&_i2c);
Zaitsev 10:41552d038a69 59 }
Zaitsev 10:41552d038a69 60
Zaitsev 10:41552d038a69 61 }
Zaitsev 10:41552d038a69 62
Zaitsev 10:41552d038a69 63 #endif