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common/I2CSlave.cpp@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/I2CSlave.cpp@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #include "I2CSlave.h"
mbed_official 0:fd0d7bdfcdc2 17
mbed_official 0:fd0d7bdfcdc2 18 #if DEVICE_I2CSLAVE
mbed_official 0:fd0d7bdfcdc2 19
mbed_official 0:fd0d7bdfcdc2 20 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 21
mbed_official 0:fd0d7bdfcdc2 22 I2CSlave::I2CSlave(PinName sda, PinName scl) {
mbed_official 0:fd0d7bdfcdc2 23 i2c_init(&_i2c, sda, scl);
mbed_official 0:fd0d7bdfcdc2 24 i2c_frequency(&_i2c, 100000);
mbed_official 0:fd0d7bdfcdc2 25 i2c_slave_mode(&_i2c, 1);
mbed_official 0:fd0d7bdfcdc2 26 }
mbed_official 0:fd0d7bdfcdc2 27
mbed_official 0:fd0d7bdfcdc2 28 void I2CSlave::frequency(int hz) {
mbed_official 0:fd0d7bdfcdc2 29 i2c_frequency(&_i2c, hz);
mbed_official 0:fd0d7bdfcdc2 30 }
mbed_official 0:fd0d7bdfcdc2 31
mbed_official 0:fd0d7bdfcdc2 32 void I2CSlave::address(int address) {
mbed_official 0:fd0d7bdfcdc2 33 int addr = (address & 0xFF) | 1;
mbed_official 0:fd0d7bdfcdc2 34 i2c_slave_address(&_i2c, 0, addr, 0);
mbed_official 0:fd0d7bdfcdc2 35 }
mbed_official 0:fd0d7bdfcdc2 36
mbed_official 0:fd0d7bdfcdc2 37 int I2CSlave::receive(void) {
mbed_official 0:fd0d7bdfcdc2 38 return i2c_slave_receive(&_i2c);
mbed_official 0:fd0d7bdfcdc2 39 }
mbed_official 0:fd0d7bdfcdc2 40
mbed_official 0:fd0d7bdfcdc2 41 int I2CSlave::read(char *data, int length) {
mbed_official 0:fd0d7bdfcdc2 42 return i2c_slave_read(&_i2c, data, length);
mbed_official 0:fd0d7bdfcdc2 43 }
mbed_official 0:fd0d7bdfcdc2 44
mbed_official 0:fd0d7bdfcdc2 45 int I2CSlave::read(void) {
mbed_official 0:fd0d7bdfcdc2 46 return i2c_byte_read(&_i2c, 0);
mbed_official 0:fd0d7bdfcdc2 47 }
mbed_official 0:fd0d7bdfcdc2 48
mbed_official 0:fd0d7bdfcdc2 49 int I2CSlave::write(const char *data, int length) {
mbed_official 0:fd0d7bdfcdc2 50 return i2c_slave_write(&_i2c, data, length);
mbed_official 0:fd0d7bdfcdc2 51 }
mbed_official 0:fd0d7bdfcdc2 52
mbed_official 0:fd0d7bdfcdc2 53 int I2CSlave::write(int data) {
mbed_official 0:fd0d7bdfcdc2 54 return i2c_byte_write(&_i2c, data);
mbed_official 0:fd0d7bdfcdc2 55 }
mbed_official 0:fd0d7bdfcdc2 56
mbed_official 0:fd0d7bdfcdc2 57 void I2CSlave::stop(void) {
mbed_official 0:fd0d7bdfcdc2 58 i2c_stop(&_i2c);
mbed_official 0:fd0d7bdfcdc2 59 }
mbed_official 0:fd0d7bdfcdc2 60
mbed_official 0:fd0d7bdfcdc2 61 }
mbed_official 0:fd0d7bdfcdc2 62
mbed_official 0:fd0d7bdfcdc2 63 #endif