Micah B / mbed

mbed

Dependents:   DHTSensor_Test K64F_eCompass_OneNET_JW

i2c_api.h@0:2cc6bb4d7fea, 2015-02-25 (annotated)

Committer:
mbotkinl
Date:
Wed Feb 25 20:22:22 2015 +0000
Revision:
0:2cc6bb4d7fea
Working code to read Temperature and Humidity readings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbotkinl 0:2cc6bb4d7fea 1 /* mbed Microcontroller Library
mbotkinl 0:2cc6bb4d7fea 2 * Copyright (c) 2006-2013 ARM Limited
mbotkinl 0:2cc6bb4d7fea 3 *
mbotkinl 0:2cc6bb4d7fea 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbotkinl 0:2cc6bb4d7fea 5 * you may not use this file except in compliance with the License.
mbotkinl 0:2cc6bb4d7fea 6 * You may obtain a copy of the License at
mbotkinl 0:2cc6bb4d7fea 7 *
mbotkinl 0:2cc6bb4d7fea 8 * http://www.apache.org/licenses/LICENSE-2.0
mbotkinl 0:2cc6bb4d7fea 9 *
mbotkinl 0:2cc6bb4d7fea 10 * Unless required by applicable law or agreed to in writing, software
mbotkinl 0:2cc6bb4d7fea 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbotkinl 0:2cc6bb4d7fea 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbotkinl 0:2cc6bb4d7fea 13 * See the License for the specific language governing permissions and
mbotkinl 0:2cc6bb4d7fea 14 * limitations under the License.
mbotkinl 0:2cc6bb4d7fea 15 */
mbotkinl 0:2cc6bb4d7fea 16 #ifndef MBED_I2C_API_H
mbotkinl 0:2cc6bb4d7fea 17 #define MBED_I2C_API_H
mbotkinl 0:2cc6bb4d7fea 18
mbotkinl 0:2cc6bb4d7fea 19 #include "device.h"
mbotkinl 0:2cc6bb4d7fea 20
mbotkinl 0:2cc6bb4d7fea 21 #if DEVICE_I2C
mbotkinl 0:2cc6bb4d7fea 22
mbotkinl 0:2cc6bb4d7fea 23 #ifdef __cplusplus
mbotkinl 0:2cc6bb4d7fea 24 extern "C" {
mbotkinl 0:2cc6bb4d7fea 25 #endif
mbotkinl 0:2cc6bb4d7fea 26
mbotkinl 0:2cc6bb4d7fea 27 typedef struct i2c_s i2c_t;
mbotkinl 0:2cc6bb4d7fea 28
mbotkinl 0:2cc6bb4d7fea 29 enum {
mbotkinl 0:2cc6bb4d7fea 30 I2C_ERROR_NO_SLAVE = -1,
mbotkinl 0:2cc6bb4d7fea 31 I2C_ERROR_BUS_BUSY = -2
mbotkinl 0:2cc6bb4d7fea 32 };
mbotkinl 0:2cc6bb4d7fea 33
mbotkinl 0:2cc6bb4d7fea 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
mbotkinl 0:2cc6bb4d7fea 35 void i2c_frequency (i2c_t *obj, int hz);
mbotkinl 0:2cc6bb4d7fea 36 int i2c_start (i2c_t *obj);
mbotkinl 0:2cc6bb4d7fea 37 int i2c_stop (i2c_t *obj);
mbotkinl 0:2cc6bb4d7fea 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
mbotkinl 0:2cc6bb4d7fea 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
mbotkinl 0:2cc6bb4d7fea 40 void i2c_reset (i2c_t *obj);
mbotkinl 0:2cc6bb4d7fea 41 int i2c_byte_read (i2c_t *obj, int last);
mbotkinl 0:2cc6bb4d7fea 42 int i2c_byte_write (i2c_t *obj, int data);
mbotkinl 0:2cc6bb4d7fea 43
mbotkinl 0:2cc6bb4d7fea 44 #if DEVICE_I2CSLAVE
mbotkinl 0:2cc6bb4d7fea 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
mbotkinl 0:2cc6bb4d7fea 46 int i2c_slave_receive(i2c_t *obj);
mbotkinl 0:2cc6bb4d7fea 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
mbotkinl 0:2cc6bb4d7fea 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
mbotkinl 0:2cc6bb4d7fea 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
mbotkinl 0:2cc6bb4d7fea 50 #endif
mbotkinl 0:2cc6bb4d7fea 51
mbotkinl 0:2cc6bb4d7fea 52 #ifdef __cplusplus
mbotkinl 0:2cc6bb4d7fea 53 }
mbotkinl 0:2cc6bb4d7fea 54 #endif
mbotkinl 0:2cc6bb4d7fea 55
mbotkinl 0:2cc6bb4d7fea 56 #endif
mbotkinl 0:2cc6bb4d7fea 57
mbotkinl 0:2cc6bb4d7fea 58 #endif