kushagra brahmbhatt / IoT_Security

IoT Home Alarm System

Dependents:   IoTBurglar_and_Fire_AlarmSystem

i2c_api.h@0:2f388b030837, 2016-04-29 (annotated)

Committer:
kbrahmbhatt6
Date:
Fri Apr 29 06:59:59 2016 +0000
Revision:
0:2f388b030837
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kbrahmbhatt6 0:2f388b030837 1 /* mbed Microcontroller Library
kbrahmbhatt6 0:2f388b030837 2 * Copyright (c) 2006-2013 ARM Limited
kbrahmbhatt6 0:2f388b030837 3 *
kbrahmbhatt6 0:2f388b030837 4 * Licensed under the Apache License, Version 2.0 (the "License");
kbrahmbhatt6 0:2f388b030837 5 * you may not use this file except in compliance with the License.
kbrahmbhatt6 0:2f388b030837 6 * You may obtain a copy of the License at
kbrahmbhatt6 0:2f388b030837 7 *
kbrahmbhatt6 0:2f388b030837 8 * http://www.apache.org/licenses/LICENSE-2.0
kbrahmbhatt6 0:2f388b030837 9 *
kbrahmbhatt6 0:2f388b030837 10 * Unless required by applicable law or agreed to in writing, software
kbrahmbhatt6 0:2f388b030837 11 * distributed under the License is distributed on an "AS IS" BASIS,
kbrahmbhatt6 0:2f388b030837 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kbrahmbhatt6 0:2f388b030837 13 * See the License for the specific language governing permissions and
kbrahmbhatt6 0:2f388b030837 14 * limitations under the License.
kbrahmbhatt6 0:2f388b030837 15 */
kbrahmbhatt6 0:2f388b030837 16 #ifndef MBED_I2C_API_H
kbrahmbhatt6 0:2f388b030837 17 #define MBED_I2C_API_H
kbrahmbhatt6 0:2f388b030837 18
kbrahmbhatt6 0:2f388b030837 19 #include "device.h"
kbrahmbhatt6 0:2f388b030837 20
kbrahmbhatt6 0:2f388b030837 21 #if DEVICE_I2C
kbrahmbhatt6 0:2f388b030837 22
kbrahmbhatt6 0:2f388b030837 23 #ifdef __cplusplus
kbrahmbhatt6 0:2f388b030837 24 extern "C" {
kbrahmbhatt6 0:2f388b030837 25 #endif
kbrahmbhatt6 0:2f388b030837 26
kbrahmbhatt6 0:2f388b030837 27 typedef struct i2c_s i2c_t;
kbrahmbhatt6 0:2f388b030837 28
kbrahmbhatt6 0:2f388b030837 29 enum {
kbrahmbhatt6 0:2f388b030837 30 I2C_ERROR_NO_SLAVE = -1,
kbrahmbhatt6 0:2f388b030837 31 I2C_ERROR_BUS_BUSY = -2
kbrahmbhatt6 0:2f388b030837 32 };
kbrahmbhatt6 0:2f388b030837 33
kbrahmbhatt6 0:2f388b030837 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
kbrahmbhatt6 0:2f388b030837 35 void i2c_frequency (i2c_t *obj, int hz);
kbrahmbhatt6 0:2f388b030837 36 int i2c_start (i2c_t *obj);
kbrahmbhatt6 0:2f388b030837 37 int i2c_stop (i2c_t *obj);
kbrahmbhatt6 0:2f388b030837 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
kbrahmbhatt6 0:2f388b030837 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
kbrahmbhatt6 0:2f388b030837 40 void i2c_reset (i2c_t *obj);
kbrahmbhatt6 0:2f388b030837 41 int i2c_byte_read (i2c_t *obj, int last);
kbrahmbhatt6 0:2f388b030837 42 int i2c_byte_write (i2c_t *obj, int data);
kbrahmbhatt6 0:2f388b030837 43
kbrahmbhatt6 0:2f388b030837 44 #if DEVICE_I2CSLAVE
kbrahmbhatt6 0:2f388b030837 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
kbrahmbhatt6 0:2f388b030837 46 int i2c_slave_receive(i2c_t *obj);
kbrahmbhatt6 0:2f388b030837 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
kbrahmbhatt6 0:2f388b030837 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
kbrahmbhatt6 0:2f388b030837 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
kbrahmbhatt6 0:2f388b030837 50 #endif
kbrahmbhatt6 0:2f388b030837 51
kbrahmbhatt6 0:2f388b030837 52 #ifdef __cplusplus
kbrahmbhatt6 0:2f388b030837 53 }
kbrahmbhatt6 0:2f388b030837 54 #endif
kbrahmbhatt6 0:2f388b030837 55
kbrahmbhatt6 0:2f388b030837 56 #endif
kbrahmbhatt6 0:2f388b030837 57
kbrahmbhatt6 0:2f388b030837 58 #endif