Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

mbed-dev/drivers/I2CSlave.cpp@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1 /* mbed Microcontroller Library
vipinranka 12:9a20164dcc47 2 * Copyright (c) 2006-2013 ARM Limited
vipinranka 12:9a20164dcc47 3 *
vipinranka 12:9a20164dcc47 4 * Licensed under the Apache License, Version 2.0 (the "License");
vipinranka 12:9a20164dcc47 5 * you may not use this file except in compliance with the License.
vipinranka 12:9a20164dcc47 6 * You may obtain a copy of the License at
vipinranka 12:9a20164dcc47 7 *
vipinranka 12:9a20164dcc47 8 * http://www.apache.org/licenses/LICENSE-2.0
vipinranka 12:9a20164dcc47 9 *
vipinranka 12:9a20164dcc47 10 * Unless required by applicable law or agreed to in writing, software
vipinranka 12:9a20164dcc47 11 * distributed under the License is distributed on an "AS IS" BASIS,
vipinranka 12:9a20164dcc47 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vipinranka 12:9a20164dcc47 13 * See the License for the specific language governing permissions and
vipinranka 12:9a20164dcc47 14 * limitations under the License.
vipinranka 12:9a20164dcc47 15 */
vipinranka 12:9a20164dcc47 16 #include "drivers/I2CSlave.h"
vipinranka 12:9a20164dcc47 17
vipinranka 12:9a20164dcc47 18 #if DEVICE_I2CSLAVE
vipinranka 12:9a20164dcc47 19
vipinranka 12:9a20164dcc47 20 namespace mbed {
vipinranka 12:9a20164dcc47 21
vipinranka 12:9a20164dcc47 22 I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
vipinranka 12:9a20164dcc47 23 i2c_init(&_i2c, sda, scl);
vipinranka 12:9a20164dcc47 24 i2c_frequency(&_i2c, 100000);
vipinranka 12:9a20164dcc47 25 i2c_slave_mode(&_i2c, 1);
vipinranka 12:9a20164dcc47 26 }
vipinranka 12:9a20164dcc47 27
vipinranka 12:9a20164dcc47 28 void I2CSlave::frequency(int hz) {
vipinranka 12:9a20164dcc47 29 i2c_frequency(&_i2c, hz);
vipinranka 12:9a20164dcc47 30 }
vipinranka 12:9a20164dcc47 31
vipinranka 12:9a20164dcc47 32 void I2CSlave::address(int address) {
vipinranka 12:9a20164dcc47 33 int addr = (address & 0xFF) | 1;
vipinranka 12:9a20164dcc47 34 i2c_slave_address(&_i2c, 0, addr, 0);
vipinranka 12:9a20164dcc47 35 }
vipinranka 12:9a20164dcc47 36
vipinranka 12:9a20164dcc47 37 int I2CSlave::receive(void) {
vipinranka 12:9a20164dcc47 38 return i2c_slave_receive(&_i2c);
vipinranka 12:9a20164dcc47 39 }
vipinranka 12:9a20164dcc47 40
vipinranka 12:9a20164dcc47 41 int I2CSlave::read(char *data, int length) {
vipinranka 12:9a20164dcc47 42 return i2c_slave_read(&_i2c, data, length) != length;
vipinranka 12:9a20164dcc47 43 }
vipinranka 12:9a20164dcc47 44
vipinranka 12:9a20164dcc47 45 int I2CSlave::read(void) {
vipinranka 12:9a20164dcc47 46 return i2c_byte_read(&_i2c, 0);
vipinranka 12:9a20164dcc47 47 }
vipinranka 12:9a20164dcc47 48
vipinranka 12:9a20164dcc47 49 int I2CSlave::write(const char *data, int length) {
vipinranka 12:9a20164dcc47 50 return i2c_slave_write(&_i2c, data, length) != length;
vipinranka 12:9a20164dcc47 51 }
vipinranka 12:9a20164dcc47 52
vipinranka 12:9a20164dcc47 53 int I2CSlave::write(int data) {
vipinranka 12:9a20164dcc47 54 return i2c_byte_write(&_i2c, data);
vipinranka 12:9a20164dcc47 55 }
vipinranka 12:9a20164dcc47 56
vipinranka 12:9a20164dcc47 57 void I2CSlave::stop(void) {
vipinranka 12:9a20164dcc47 58 i2c_stop(&_i2c);
vipinranka 12:9a20164dcc47 59 }
vipinranka 12:9a20164dcc47 60
vipinranka 12:9a20164dcc47 61 }
vipinranka 12:9a20164dcc47 62
vipinranka 12:9a20164dcc47 63 #endif