Kev Mann / mbed-dev-OS5_10_4

RTC auf true

drivers/I2CSlave.cpp@0:38ceb79fef03, 2018-11-28 (annotated)

Committer:
kevman
Date:
Wed Nov 28 15:10:15 2018 +0000
Revision:
0:38ceb79fef03
RTC modified

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include "drivers/I2CSlave.h"
kevman 0:38ceb79fef03 17
kevman 0:38ceb79fef03 18 #if DEVICE_I2CSLAVE
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 namespace mbed {
kevman 0:38ceb79fef03 21
kevman 0:38ceb79fef03 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c()
kevman 0:38ceb79fef03 23 {
kevman 0:38ceb79fef03 24 i2c_init(&_i2c, sda, scl);
kevman 0:38ceb79fef03 25 i2c_frequency(&_i2c, 100000);
kevman 0:38ceb79fef03 26 i2c_slave_mode(&_i2c, 1);
kevman 0:38ceb79fef03 27 }
kevman 0:38ceb79fef03 28
kevman 0:38ceb79fef03 29 void I2CSlave::frequency(int hz)
kevman 0:38ceb79fef03 30 {
kevman 0:38ceb79fef03 31 i2c_frequency(&_i2c, hz);
kevman 0:38ceb79fef03 32 }
kevman 0:38ceb79fef03 33
kevman 0:38ceb79fef03 34 void I2CSlave::address(int address)
kevman 0:38ceb79fef03 35 {
kevman 0:38ceb79fef03 36 int addr = (address & 0xFF) | 1;
kevman 0:38ceb79fef03 37 i2c_slave_address(&_i2c, 0, addr, 0);
kevman 0:38ceb79fef03 38 }
kevman 0:38ceb79fef03 39
kevman 0:38ceb79fef03 40 int I2CSlave::receive(void)
kevman 0:38ceb79fef03 41 {
kevman 0:38ceb79fef03 42 return i2c_slave_receive(&_i2c);
kevman 0:38ceb79fef03 43 }
kevman 0:38ceb79fef03 44
kevman 0:38ceb79fef03 45 int I2CSlave::read(char *data, int length)
kevman 0:38ceb79fef03 46 {
kevman 0:38ceb79fef03 47 return i2c_slave_read(&_i2c, data, length) != length;
kevman 0:38ceb79fef03 48 }
kevman 0:38ceb79fef03 49
kevman 0:38ceb79fef03 50 int I2CSlave::read(void)
kevman 0:38ceb79fef03 51 {
kevman 0:38ceb79fef03 52 return i2c_byte_read(&_i2c, 0);
kevman 0:38ceb79fef03 53 }
kevman 0:38ceb79fef03 54
kevman 0:38ceb79fef03 55 int I2CSlave::write(const char *data, int length)
kevman 0:38ceb79fef03 56 {
kevman 0:38ceb79fef03 57 return i2c_slave_write(&_i2c, data, length) != length;
kevman 0:38ceb79fef03 58 }
kevman 0:38ceb79fef03 59
kevman 0:38ceb79fef03 60 int I2CSlave::write(int data)
kevman 0:38ceb79fef03 61 {
kevman 0:38ceb79fef03 62 return i2c_byte_write(&_i2c, data);
kevman 0:38ceb79fef03 63 }
kevman 0:38ceb79fef03 64
kevman 0:38ceb79fef03 65 void I2CSlave::stop(void)
kevman 0:38ceb79fef03 66 {
kevman 0:38ceb79fef03 67 i2c_stop(&_i2c);
kevman 0:38ceb79fef03 68 }
kevman 0:38ceb79fef03 69
kevman 0:38ceb79fef03 70 }
kevman 0:38ceb79fef03 71
kevman 0:38ceb79fef03 72 #endif