Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

common/I2CSlave.cpp@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include "I2CSlave.h"
ebrus 0:6bc4ac881c8e 17
ebrus 0:6bc4ac881c8e 18 #if DEVICE_I2CSLAVE
ebrus 0:6bc4ac881c8e 19
ebrus 0:6bc4ac881c8e 20 namespace mbed {
ebrus 0:6bc4ac881c8e 21
ebrus 0:6bc4ac881c8e 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
ebrus 0:6bc4ac881c8e 23 i2c_init(&_i2c, sda, scl);
ebrus 0:6bc4ac881c8e 24 i2c_frequency(&_i2c, 100000);
ebrus 0:6bc4ac881c8e 25 i2c_slave_mode(&_i2c, 1);
ebrus 0:6bc4ac881c8e 26 }
ebrus 0:6bc4ac881c8e 27
ebrus 0:6bc4ac881c8e 28 void I2CSlave::frequency(int hz) {
ebrus 0:6bc4ac881c8e 29 i2c_frequency(&_i2c, hz);
ebrus 0:6bc4ac881c8e 30 }
ebrus 0:6bc4ac881c8e 31
ebrus 0:6bc4ac881c8e 32 void I2CSlave::address(int address) {
ebrus 0:6bc4ac881c8e 33 int addr = (address & 0xFF) | 1;
ebrus 0:6bc4ac881c8e 34 i2c_slave_address(&_i2c, 0, addr, 0);
ebrus 0:6bc4ac881c8e 35 }
ebrus 0:6bc4ac881c8e 36
ebrus 0:6bc4ac881c8e 37 int I2CSlave::receive(void) {
ebrus 0:6bc4ac881c8e 38 return i2c_slave_receive(&_i2c);
ebrus 0:6bc4ac881c8e 39 }
ebrus 0:6bc4ac881c8e 40
ebrus 0:6bc4ac881c8e 41 int I2CSlave::read(char *data, int length) {
ebrus 0:6bc4ac881c8e 42 return i2c_slave_read(&_i2c, data, length) != length;
ebrus 0:6bc4ac881c8e 43 }
ebrus 0:6bc4ac881c8e 44
ebrus 0:6bc4ac881c8e 45 int I2CSlave::read(void) {
ebrus 0:6bc4ac881c8e 46 return i2c_byte_read(&_i2c, 0);
ebrus 0:6bc4ac881c8e 47 }
ebrus 0:6bc4ac881c8e 48
ebrus 0:6bc4ac881c8e 49 int I2CSlave::write(const char *data, int length) {
ebrus 0:6bc4ac881c8e 50 return i2c_slave_write(&_i2c, data, length) != length;
ebrus 0:6bc4ac881c8e 51 }
ebrus 0:6bc4ac881c8e 52
ebrus 0:6bc4ac881c8e 53 int I2CSlave::write(int data) {
ebrus 0:6bc4ac881c8e 54 return i2c_byte_write(&_i2c, data);
ebrus 0:6bc4ac881c8e 55 }
ebrus 0:6bc4ac881c8e 56
ebrus 0:6bc4ac881c8e 57 void I2CSlave::stop(void) {
ebrus 0:6bc4ac881c8e 58 i2c_stop(&_i2c);
ebrus 0:6bc4ac881c8e 59 }
ebrus 0:6bc4ac881c8e 60
ebrus 0:6bc4ac881c8e 61 }
ebrus 0:6bc4ac881c8e 62
ebrus 0:6bc4ac881c8e 63 #endif