BA / Mbed OS BaBoRo_test2

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mbed-os/drivers/I2CSlave.cpp@0:02dd72d1d465, 2018-04-24 (annotated)

Committer:
borlanic
Date:
Tue Apr 24 11:45:18 2018 +0000
Revision:
0:02dd72d1d465
BaBoRo_test2 - backup 1

Who changed what in which revision?

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borlanic 0:02dd72d1d465 1 /* mbed Microcontroller Library
borlanic 0:02dd72d1d465 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:02dd72d1d465 3 *
borlanic 0:02dd72d1d465 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:02dd72d1d465 5 * you may not use this file except in compliance with the License.
borlanic 0:02dd72d1d465 6 * You may obtain a copy of the License at
borlanic 0:02dd72d1d465 7 *
borlanic 0:02dd72d1d465 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:02dd72d1d465 9 *
borlanic 0:02dd72d1d465 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:02dd72d1d465 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:02dd72d1d465 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:02dd72d1d465 13 * See the License for the specific language governing permissions and
borlanic 0:02dd72d1d465 14 * limitations under the License.
borlanic 0:02dd72d1d465 15 */
borlanic 0:02dd72d1d465 16 #include "drivers/I2CSlave.h"
borlanic 0:02dd72d1d465 17
borlanic 0:02dd72d1d465 18 #if DEVICE_I2CSLAVE
borlanic 0:02dd72d1d465 19
borlanic 0:02dd72d1d465 20 namespace mbed {
borlanic 0:02dd72d1d465 21
borlanic 0:02dd72d1d465 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
borlanic 0:02dd72d1d465 23 i2c_init(&_i2c, sda, scl);
borlanic 0:02dd72d1d465 24 i2c_frequency(&_i2c, 100000);
borlanic 0:02dd72d1d465 25 i2c_slave_mode(&_i2c, 1);
borlanic 0:02dd72d1d465 26 }
borlanic 0:02dd72d1d465 27
borlanic 0:02dd72d1d465 28 void I2CSlave::frequency(int hz) {
borlanic 0:02dd72d1d465 29 i2c_frequency(&_i2c, hz);
borlanic 0:02dd72d1d465 30 }
borlanic 0:02dd72d1d465 31
borlanic 0:02dd72d1d465 32 void I2CSlave::address(int address) {
borlanic 0:02dd72d1d465 33 int addr = (address & 0xFF) | 1;
borlanic 0:02dd72d1d465 34 i2c_slave_address(&_i2c, 0, addr, 0);
borlanic 0:02dd72d1d465 35 }
borlanic 0:02dd72d1d465 36
borlanic 0:02dd72d1d465 37 int I2CSlave::receive(void) {
borlanic 0:02dd72d1d465 38 return i2c_slave_receive(&_i2c);
borlanic 0:02dd72d1d465 39 }
borlanic 0:02dd72d1d465 40
borlanic 0:02dd72d1d465 41 int I2CSlave::read(char *data, int length) {
borlanic 0:02dd72d1d465 42 return i2c_slave_read(&_i2c, data, length) != length;
borlanic 0:02dd72d1d465 43 }
borlanic 0:02dd72d1d465 44
borlanic 0:02dd72d1d465 45 int I2CSlave::read(void) {
borlanic 0:02dd72d1d465 46 return i2c_byte_read(&_i2c, 0);
borlanic 0:02dd72d1d465 47 }
borlanic 0:02dd72d1d465 48
borlanic 0:02dd72d1d465 49 int I2CSlave::write(const char *data, int length) {
borlanic 0:02dd72d1d465 50 return i2c_slave_write(&_i2c, data, length) != length;
borlanic 0:02dd72d1d465 51 }
borlanic 0:02dd72d1d465 52
borlanic 0:02dd72d1d465 53 int I2CSlave::write(int data) {
borlanic 0:02dd72d1d465 54 return i2c_byte_write(&_i2c, data);
borlanic 0:02dd72d1d465 55 }
borlanic 0:02dd72d1d465 56
borlanic 0:02dd72d1d465 57 void I2CSlave::stop(void) {
borlanic 0:02dd72d1d465 58 i2c_stop(&_i2c);
borlanic 0:02dd72d1d465 59 }
borlanic 0:02dd72d1d465 60
borlanic 0:02dd72d1d465 61 }
borlanic 0:02dd72d1d465 62
borlanic 0:02dd72d1d465 63 #endif