jesus antonio lopez / mbed

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Dependents:   2doejemplo Labo_TRSE_Drone

Fork of mbed by mbed official

i2c_api.h@71:7ec3cb6bbcc4, 2013-11-29 (annotated)

Committer:
jalp89
Date:
Fri Nov 29 09:39:46 2013 +0000
Revision:
71:7ec3cb6bbcc4
Parent:
66:9c8f0e3462fb 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 66:9c8f0e3462fb 1 /* mbed Microcontroller Library
bogdanm 66:9c8f0e3462fb 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 66:9c8f0e3462fb 3 *
bogdanm 66:9c8f0e3462fb 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 66:9c8f0e3462fb 5 * you may not use this file except in compliance with the License.
bogdanm 66:9c8f0e3462fb 6 * You may obtain a copy of the License at
bogdanm 66:9c8f0e3462fb 7 *
bogdanm 66:9c8f0e3462fb 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 66:9c8f0e3462fb 9 *
bogdanm 66:9c8f0e3462fb 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 66:9c8f0e3462fb 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 66:9c8f0e3462fb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 66:9c8f0e3462fb 13 * See the License for the specific language governing permissions and
bogdanm 66:9c8f0e3462fb 14 * limitations under the License.
bogdanm 66:9c8f0e3462fb 15 */
bogdanm 66:9c8f0e3462fb 16 #ifndef MBED_I2C_API_H
bogdanm 66:9c8f0e3462fb 17 #define MBED_I2C_API_H
bogdanm 66:9c8f0e3462fb 18
bogdanm 66:9c8f0e3462fb 19 #include "device.h"
bogdanm 66:9c8f0e3462fb 20
bogdanm 66:9c8f0e3462fb 21 #if DEVICE_I2C
bogdanm 66:9c8f0e3462fb 22
bogdanm 66:9c8f0e3462fb 23 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 24 extern "C" {
bogdanm 66:9c8f0e3462fb 25 #endif
bogdanm 66:9c8f0e3462fb 26
bogdanm 66:9c8f0e3462fb 27 typedef struct i2c_s i2c_t;
bogdanm 66:9c8f0e3462fb 28
bogdanm 66:9c8f0e3462fb 29 enum {
bogdanm 66:9c8f0e3462fb 30 I2C_ERROR_NO_SLAVE = -1,
bogdanm 66:9c8f0e3462fb 31 I2C_ERROR_BUS_BUSY = -2
bogdanm 66:9c8f0e3462fb 32 };
bogdanm 66:9c8f0e3462fb 33
bogdanm 66:9c8f0e3462fb 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
bogdanm 66:9c8f0e3462fb 35 void i2c_frequency (i2c_t *obj, int hz);
bogdanm 66:9c8f0e3462fb 36 int i2c_start (i2c_t *obj);
bogdanm 66:9c8f0e3462fb 37 int i2c_stop (i2c_t *obj);
bogdanm 66:9c8f0e3462fb 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
bogdanm 66:9c8f0e3462fb 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
bogdanm 66:9c8f0e3462fb 40 void i2c_reset (i2c_t *obj);
bogdanm 66:9c8f0e3462fb 41 int i2c_byte_read (i2c_t *obj, int last);
bogdanm 66:9c8f0e3462fb 42 int i2c_byte_write (i2c_t *obj, int data);
bogdanm 66:9c8f0e3462fb 43
bogdanm 66:9c8f0e3462fb 44 #if DEVICE_I2CSLAVE
bogdanm 66:9c8f0e3462fb 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
bogdanm 66:9c8f0e3462fb 46 int i2c_slave_receive(i2c_t *obj);
bogdanm 66:9c8f0e3462fb 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
bogdanm 66:9c8f0e3462fb 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
bogdanm 66:9c8f0e3462fb 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
bogdanm 66:9c8f0e3462fb 50 #endif
bogdanm 66:9c8f0e3462fb 51
bogdanm 66:9c8f0e3462fb 52 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 53 }
bogdanm 66:9c8f0e3462fb 54 #endif
bogdanm 66:9c8f0e3462fb 55
bogdanm 66:9c8f0e3462fb 56 #endif
bogdanm 66:9c8f0e3462fb 57
bogdanm 66:9c8f0e3462fb 58 #endif