jesus antonio lopez / mbed

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Dependents:   2doejemplo Labo_TRSE_Drone

Fork of mbed by mbed official

i2c_api.h@44:24d45a770a51, 2012-11-21 (annotated)

Committer:
emilmont
Date:
Wed Nov 21 10:49:56 2012 +0000
Revision:
44:24d45a770a51
Child:
54:71b101360fb9
Complete refactoring of the mbed library to move the target dependent code to a thin well defined layer, defining a proper object oriented C API to be implemented by the different silicon vendors.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 44:24d45a770a51 2 * Copyright (c) 2006-2012 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 44:24d45a770a51 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
emilmont 44:24d45a770a51 5 * of this software and associated documentation files (the "Software"), to deal
emilmont 44:24d45a770a51 6 * in the Software without restriction, including without limitation the rights
emilmont 44:24d45a770a51 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
emilmont 44:24d45a770a51 8 * copies of the Software, and to permit persons to whom the Software is
emilmont 44:24d45a770a51 9 * furnished to do so, subject to the following conditions:
emilmont 44:24d45a770a51 10 *
emilmont 44:24d45a770a51 11 * The above copyright notice and this permission notice shall be included in
emilmont 44:24d45a770a51 12 * all copies or substantial portions of the Software.
emilmont 44:24d45a770a51 13 *
emilmont 44:24d45a770a51 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
emilmont 44:24d45a770a51 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
emilmont 44:24d45a770a51 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
emilmont 44:24d45a770a51 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
emilmont 44:24d45a770a51 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emilmont 44:24d45a770a51 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
emilmont 44:24d45a770a51 20 * SOFTWARE.
emilmont 44:24d45a770a51 21 */
emilmont 44:24d45a770a51 22 #ifndef MBED_I2C_API_H
emilmont 44:24d45a770a51 23 #define MBED_I2C_API_H
emilmont 44:24d45a770a51 24
emilmont 44:24d45a770a51 25 #include "device.h"
emilmont 44:24d45a770a51 26
emilmont 44:24d45a770a51 27 #if DEVICE_I2C
emilmont 44:24d45a770a51 28
emilmont 44:24d45a770a51 29 #ifdef __cplusplus
emilmont 44:24d45a770a51 30 extern "C" {
emilmont 44:24d45a770a51 31 #endif
emilmont 44:24d45a770a51 32
emilmont 44:24d45a770a51 33 typedef struct i2c_s i2c_t;
emilmont 44:24d45a770a51 34
emilmont 44:24d45a770a51 35 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
emilmont 44:24d45a770a51 36 void i2c_frequency (i2c_t *obj, int hz);
emilmont 44:24d45a770a51 37 int i2c_start (i2c_t *obj);
emilmont 44:24d45a770a51 38 void i2c_stop (i2c_t *obj);
emilmont 44:24d45a770a51 39 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
emilmont 44:24d45a770a51 40 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
emilmont 44:24d45a770a51 41 void i2c_reset (i2c_t *obj);
emilmont 44:24d45a770a51 42 int i2c_byte_read (i2c_t *obj, int last);
emilmont 44:24d45a770a51 43 int i2c_byte_write (i2c_t *obj, int data);
emilmont 44:24d45a770a51 44
emilmont 44:24d45a770a51 45 #if DEVICE_I2CSLAVE
emilmont 44:24d45a770a51 46 void i2c_slave_mode (i2c_t *obj, int enable_slave);
emilmont 44:24d45a770a51 47 int i2c_slave_receive(i2c_t *obj);
emilmont 44:24d45a770a51 48 int i2c_slave_read (i2c_t *obj, char *data, int length);
emilmont 44:24d45a770a51 49 int i2c_slave_write (i2c_t *obj, const char *data, int length);
emilmont 44:24d45a770a51 50 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
emilmont 44:24d45a770a51 51 #endif
emilmont 44:24d45a770a51 52
emilmont 44:24d45a770a51 53 #ifdef __cplusplus
emilmont 44:24d45a770a51 54 }
emilmont 44:24d45a770a51 55 #endif
emilmont 44:24d45a770a51 56
emilmont 44:24d45a770a51 57 #endif
emilmont 44:24d45a770a51 58
emilmont 44:24d45a770a51 59 #endif