Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/hal/common/I2CSlave.cpp@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 /* mbed Microcontroller Library
bryantaylor 0:eafc3fd41f75 2 * Copyright (c) 2006-2013 ARM Limited
bryantaylor 0:eafc3fd41f75 3 *
bryantaylor 0:eafc3fd41f75 4 * Licensed under the Apache License, Version 2.0 (the "License");
bryantaylor 0:eafc3fd41f75 5 * you may not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 6 * You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 7 *
bryantaylor 0:eafc3fd41f75 8 * http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 9 *
bryantaylor 0:eafc3fd41f75 10 * Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 11 * distributed under the License is distributed on an "AS IS" BASIS,
bryantaylor 0:eafc3fd41f75 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 13 * See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 14 * limitations under the License.
bryantaylor 0:eafc3fd41f75 15 */
bryantaylor 0:eafc3fd41f75 16 #include "I2CSlave.h"
bryantaylor 0:eafc3fd41f75 17
bryantaylor 0:eafc3fd41f75 18 #if DEVICE_I2CSLAVE
bryantaylor 0:eafc3fd41f75 19
bryantaylor 0:eafc3fd41f75 20 namespace mbed {
bryantaylor 0:eafc3fd41f75 21
bryantaylor 0:eafc3fd41f75 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
bryantaylor 0:eafc3fd41f75 23 i2c_init(&_i2c, sda, scl);
bryantaylor 0:eafc3fd41f75 24 i2c_frequency(&_i2c, 100000);
bryantaylor 0:eafc3fd41f75 25 i2c_slave_mode(&_i2c, 1);
bryantaylor 0:eafc3fd41f75 26 }
bryantaylor 0:eafc3fd41f75 27
bryantaylor 0:eafc3fd41f75 28 void I2CSlave::frequency(int hz) {
bryantaylor 0:eafc3fd41f75 29 i2c_frequency(&_i2c, hz);
bryantaylor 0:eafc3fd41f75 30 }
bryantaylor 0:eafc3fd41f75 31
bryantaylor 0:eafc3fd41f75 32 void I2CSlave::address(int address) {
bryantaylor 0:eafc3fd41f75 33 int addr = (address & 0xFF) | 1;
bryantaylor 0:eafc3fd41f75 34 i2c_slave_address(&_i2c, 0, addr, 0);
bryantaylor 0:eafc3fd41f75 35 }
bryantaylor 0:eafc3fd41f75 36
bryantaylor 0:eafc3fd41f75 37 int I2CSlave::receive(void) {
bryantaylor 0:eafc3fd41f75 38 return i2c_slave_receive(&_i2c);
bryantaylor 0:eafc3fd41f75 39 }
bryantaylor 0:eafc3fd41f75 40
bryantaylor 0:eafc3fd41f75 41 int I2CSlave::read(char *data, int length) {
bryantaylor 0:eafc3fd41f75 42 return i2c_slave_read(&_i2c, data, length) != length;
bryantaylor 0:eafc3fd41f75 43 }
bryantaylor 0:eafc3fd41f75 44
bryantaylor 0:eafc3fd41f75 45 int I2CSlave::read(void) {
bryantaylor 0:eafc3fd41f75 46 return i2c_byte_read(&_i2c, 0);
bryantaylor 0:eafc3fd41f75 47 }
bryantaylor 0:eafc3fd41f75 48
bryantaylor 0:eafc3fd41f75 49 int I2CSlave::write(const char *data, int length) {
bryantaylor 0:eafc3fd41f75 50 return i2c_slave_write(&_i2c, data, length) != length;
bryantaylor 0:eafc3fd41f75 51 }
bryantaylor 0:eafc3fd41f75 52
bryantaylor 0:eafc3fd41f75 53 int I2CSlave::write(int data) {
bryantaylor 0:eafc3fd41f75 54 return i2c_byte_write(&_i2c, data);
bryantaylor 0:eafc3fd41f75 55 }
bryantaylor 0:eafc3fd41f75 56
bryantaylor 0:eafc3fd41f75 57 void I2CSlave::stop(void) {
bryantaylor 0:eafc3fd41f75 58 i2c_stop(&_i2c);
bryantaylor 0:eafc3fd41f75 59 }
bryantaylor 0:eafc3fd41f75 60
bryantaylor 0:eafc3fd41f75 61 }
bryantaylor 0:eafc3fd41f75 62
bryantaylor 0:eafc3fd41f75 63 #endif