DSP Book Yeditepe / mbed_f401re

mbed library sources with internal temperature sensor for nucleo f401

common/I2CSlave.cpp@0:7e2bd16f80af, 2015-01-17 (annotated)

Committer:
elessair
Date:
Sat Jan 17 18:03:58 2015 +0000
Revision:
0:7e2bd16f80af
nucleo f401re internal temperature added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:7e2bd16f80af 1 /* mbed Microcontroller Library
elessair 0:7e2bd16f80af 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:7e2bd16f80af 3 *
elessair 0:7e2bd16f80af 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:7e2bd16f80af 5 * you may not use this file except in compliance with the License.
elessair 0:7e2bd16f80af 6 * You may obtain a copy of the License at
elessair 0:7e2bd16f80af 7 *
elessair 0:7e2bd16f80af 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:7e2bd16f80af 9 *
elessair 0:7e2bd16f80af 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:7e2bd16f80af 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:7e2bd16f80af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:7e2bd16f80af 13 * See the License for the specific language governing permissions and
elessair 0:7e2bd16f80af 14 * limitations under the License.
elessair 0:7e2bd16f80af 15 */
elessair 0:7e2bd16f80af 16 #include "I2CSlave.h"
elessair 0:7e2bd16f80af 17
elessair 0:7e2bd16f80af 18 #if DEVICE_I2CSLAVE
elessair 0:7e2bd16f80af 19
elessair 0:7e2bd16f80af 20 namespace mbed {
elessair 0:7e2bd16f80af 21
elessair 0:7e2bd16f80af 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
elessair 0:7e2bd16f80af 23 i2c_init(&_i2c, sda, scl);
elessair 0:7e2bd16f80af 24 i2c_frequency(&_i2c, 100000);
elessair 0:7e2bd16f80af 25 i2c_slave_mode(&_i2c, 1);
elessair 0:7e2bd16f80af 26 }
elessair 0:7e2bd16f80af 27
elessair 0:7e2bd16f80af 28 void I2CSlave::frequency(int hz) {
elessair 0:7e2bd16f80af 29 i2c_frequency(&_i2c, hz);
elessair 0:7e2bd16f80af 30 }
elessair 0:7e2bd16f80af 31
elessair 0:7e2bd16f80af 32 void I2CSlave::address(int address) {
elessair 0:7e2bd16f80af 33 int addr = (address & 0xFF) | 1;
elessair 0:7e2bd16f80af 34 i2c_slave_address(&_i2c, 0, addr, 0);
elessair 0:7e2bd16f80af 35 }
elessair 0:7e2bd16f80af 36
elessair 0:7e2bd16f80af 37 int I2CSlave::receive(void) {
elessair 0:7e2bd16f80af 38 return i2c_slave_receive(&_i2c);
elessair 0:7e2bd16f80af 39 }
elessair 0:7e2bd16f80af 40
elessair 0:7e2bd16f80af 41 int I2CSlave::read(char *data, int length) {
elessair 0:7e2bd16f80af 42 return i2c_slave_read(&_i2c, data, length) != length;
elessair 0:7e2bd16f80af 43 }
elessair 0:7e2bd16f80af 44
elessair 0:7e2bd16f80af 45 int I2CSlave::read(void) {
elessair 0:7e2bd16f80af 46 return i2c_byte_read(&_i2c, 0);
elessair 0:7e2bd16f80af 47 }
elessair 0:7e2bd16f80af 48
elessair 0:7e2bd16f80af 49 int I2CSlave::write(const char *data, int length) {
elessair 0:7e2bd16f80af 50 return i2c_slave_write(&_i2c, data, length) != length;
elessair 0:7e2bd16f80af 51 }
elessair 0:7e2bd16f80af 52
elessair 0:7e2bd16f80af 53 int I2CSlave::write(int data) {
elessair 0:7e2bd16f80af 54 return i2c_byte_write(&_i2c, data);
elessair 0:7e2bd16f80af 55 }
elessair 0:7e2bd16f80af 56
elessair 0:7e2bd16f80af 57 void I2CSlave::stop(void) {
elessair 0:7e2bd16f80af 58 i2c_stop(&_i2c);
elessair 0:7e2bd16f80af 59 }
elessair 0:7e2bd16f80af 60
elessair 0:7e2bd16f80af 61 }
elessair 0:7e2bd16f80af 62
elessair 0:7e2bd16f80af 63 #endif