modtronix H / mbed_nz32sc151

mbed library for NZ32-SC151

common/I2CSlave.cpp@17:639ed60ce759, 2016-08-19 (annotated)

Committer:
modtronix-com
Date:
Fri Aug 19 15:46:42 2016 +1000
Revision:
17:639ed60ce759
Parent:
1:71204b8406f2 
Added tag v1.1 for changeset 076cbe3e55be

Who changed what in which revision?

UserRevisionLine numberNew contents of line
modtronix 1:71204b8406f2 1 /* mbed Microcontroller Library
modtronix 1:71204b8406f2 2 * Copyright (c) 2006-2013 ARM Limited
modtronix 1:71204b8406f2 3 *
modtronix 1:71204b8406f2 4 * Licensed under the Apache License, Version 2.0 (the "License");
modtronix 1:71204b8406f2 5 * you may not use this file except in compliance with the License.
modtronix 1:71204b8406f2 6 * You may obtain a copy of the License at
modtronix 1:71204b8406f2 7 *
modtronix 1:71204b8406f2 8 * http://www.apache.org/licenses/LICENSE-2.0
modtronix 1:71204b8406f2 9 *
modtronix 1:71204b8406f2 10 * Unless required by applicable law or agreed to in writing, software
modtronix 1:71204b8406f2 11 * distributed under the License is distributed on an "AS IS" BASIS,
modtronix 1:71204b8406f2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
modtronix 1:71204b8406f2 13 * See the License for the specific language governing permissions and
modtronix 1:71204b8406f2 14 * limitations under the License.
modtronix 1:71204b8406f2 15 */
modtronix 1:71204b8406f2 16 #include "I2CSlave.h"
modtronix 1:71204b8406f2 17
modtronix 1:71204b8406f2 18 #if DEVICE_I2CSLAVE
modtronix 1:71204b8406f2 19
modtronix 1:71204b8406f2 20 namespace mbed {
modtronix 1:71204b8406f2 21
modtronix 1:71204b8406f2 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
modtronix 1:71204b8406f2 23 i2c_init(&_i2c, sda, scl);
modtronix 1:71204b8406f2 24 i2c_frequency(&_i2c, 100000);
modtronix 1:71204b8406f2 25 i2c_slave_mode(&_i2c, 1);
modtronix 1:71204b8406f2 26 }
modtronix 1:71204b8406f2 27
modtronix 1:71204b8406f2 28 void I2CSlave::frequency(int hz) {
modtronix 1:71204b8406f2 29 i2c_frequency(&_i2c, hz);
modtronix 1:71204b8406f2 30 }
modtronix 1:71204b8406f2 31
modtronix 1:71204b8406f2 32 void I2CSlave::address(int address) {
modtronix 1:71204b8406f2 33 int addr = (address & 0xFF) | 1;
modtronix 1:71204b8406f2 34 i2c_slave_address(&_i2c, 0, addr, 0);
modtronix 1:71204b8406f2 35 }
modtronix 1:71204b8406f2 36
modtronix 1:71204b8406f2 37 int I2CSlave::receive(void) {
modtronix 1:71204b8406f2 38 return i2c_slave_receive(&_i2c);
modtronix 1:71204b8406f2 39 }
modtronix 1:71204b8406f2 40
modtronix 1:71204b8406f2 41 int I2CSlave::read(char *data, int length) {
modtronix 1:71204b8406f2 42 return i2c_slave_read(&_i2c, data, length) != length;
modtronix 1:71204b8406f2 43 }
modtronix 1:71204b8406f2 44
modtronix 1:71204b8406f2 45 int I2CSlave::read(void) {
modtronix 1:71204b8406f2 46 return i2c_byte_read(&_i2c, 0);
modtronix 1:71204b8406f2 47 }
modtronix 1:71204b8406f2 48
modtronix 1:71204b8406f2 49 int I2CSlave::write(const char *data, int length) {
modtronix 1:71204b8406f2 50 return i2c_slave_write(&_i2c, data, length) != length;
modtronix 1:71204b8406f2 51 }
modtronix 1:71204b8406f2 52
modtronix 1:71204b8406f2 53 int I2CSlave::write(int data) {
modtronix 1:71204b8406f2 54 return i2c_byte_write(&_i2c, data);
modtronix 1:71204b8406f2 55 }
modtronix 1:71204b8406f2 56
modtronix 1:71204b8406f2 57 void I2CSlave::stop(void) {
modtronix 1:71204b8406f2 58 i2c_stop(&_i2c);
modtronix 1:71204b8406f2 59 }
modtronix 1:71204b8406f2 60
modtronix 1:71204b8406f2 61 }
modtronix 1:71204b8406f2 62
modtronix 1:71204b8406f2 63 #endif