joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/hal/common/I2CSlave.cpp@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16 #include "I2CSlave.h"
nexpaq 1:55a6170b404f 17
nexpaq 1:55a6170b404f 18 #if DEVICE_I2CSLAVE
nexpaq 1:55a6170b404f 19
nexpaq 1:55a6170b404f 20 namespace mbed {
nexpaq 1:55a6170b404f 21
nexpaq 1:55a6170b404f 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
nexpaq 1:55a6170b404f 23 i2c_init(&_i2c, sda, scl);
nexpaq 1:55a6170b404f 24 i2c_frequency(&_i2c, 100000);
nexpaq 1:55a6170b404f 25 i2c_slave_mode(&_i2c, 1);
nexpaq 1:55a6170b404f 26 }
nexpaq 1:55a6170b404f 27
nexpaq 1:55a6170b404f 28 void I2CSlave::frequency(int hz) {
nexpaq 1:55a6170b404f 29 i2c_frequency(&_i2c, hz);
nexpaq 1:55a6170b404f 30 }
nexpaq 1:55a6170b404f 31
nexpaq 1:55a6170b404f 32 void I2CSlave::address(int address) {
nexpaq 1:55a6170b404f 33 int addr = (address & 0xFF) | 1;
nexpaq 1:55a6170b404f 34 i2c_slave_address(&_i2c, 0, addr, 0);
nexpaq 1:55a6170b404f 35 }
nexpaq 1:55a6170b404f 36
nexpaq 1:55a6170b404f 37 int I2CSlave::receive(void) {
nexpaq 1:55a6170b404f 38 return i2c_slave_receive(&_i2c);
nexpaq 1:55a6170b404f 39 }
nexpaq 1:55a6170b404f 40
nexpaq 1:55a6170b404f 41 int I2CSlave::read(char *data, int length) {
nexpaq 1:55a6170b404f 42 return i2c_slave_read(&_i2c, data, length) != length;
nexpaq 1:55a6170b404f 43 }
nexpaq 1:55a6170b404f 44
nexpaq 1:55a6170b404f 45 int I2CSlave::read(void) {
nexpaq 1:55a6170b404f 46 return i2c_byte_read(&_i2c, 0);
nexpaq 1:55a6170b404f 47 }
nexpaq 1:55a6170b404f 48
nexpaq 1:55a6170b404f 49 int I2CSlave::write(const char *data, int length) {
nexpaq 1:55a6170b404f 50 return i2c_slave_write(&_i2c, data, length) != length;
nexpaq 1:55a6170b404f 51 }
nexpaq 1:55a6170b404f 52
nexpaq 1:55a6170b404f 53 int I2CSlave::write(int data) {
nexpaq 1:55a6170b404f 54 return i2c_byte_write(&_i2c, data);
nexpaq 1:55a6170b404f 55 }
nexpaq 1:55a6170b404f 56
nexpaq 1:55a6170b404f 57 void I2CSlave::stop(void) {
nexpaq 1:55a6170b404f 58 i2c_stop(&_i2c);
nexpaq 1:55a6170b404f 59 }
nexpaq 1:55a6170b404f 60
nexpaq 1:55a6170b404f 61 }
nexpaq 1:55a6170b404f 62
nexpaq 1:55a6170b404f 63 #endif