雄介 太田 / mbed

mbed(SerialHalfDuplex入り)

Fork of mbed by mbed official

i2c_api.h@63:b3110cd2dd17, 2013-05-08 (annotated)

Committer:
samux
Date:
Wed May 08 14:50:20 2013 +0100
Revision:
63:b3110cd2dd17
Parent:
59:0883845fe643
Child:
64:e3affc9e7238
spi slave and i2c slave support

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 54:71b101360fb9 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 59:0883845fe643 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 59:0883845fe643 5 * you may not use this file except in compliance with the License.
emilmont 59:0883845fe643 6 * You may obtain a copy of the License at
emilmont 59:0883845fe643 7 *
emilmont 59:0883845fe643 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 44:24d45a770a51 9 *
emilmont 59:0883845fe643 10 * Unless required by applicable law or agreed to in writing, software
emilmont 59:0883845fe643 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 59:0883845fe643 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 59:0883845fe643 13 * See the License for the specific language governing permissions and
emilmont 59:0883845fe643 14 * limitations under the License.
emilmont 44:24d45a770a51 15 */
emilmont 44:24d45a770a51 16 #ifndef MBED_I2C_API_H
emilmont 44:24d45a770a51 17 #define MBED_I2C_API_H
emilmont 44:24d45a770a51 18
emilmont 44:24d45a770a51 19 #include "device.h"
emilmont 44:24d45a770a51 20
emilmont 44:24d45a770a51 21 #if DEVICE_I2C
emilmont 44:24d45a770a51 22
emilmont 44:24d45a770a51 23 #ifdef __cplusplus
emilmont 44:24d45a770a51 24 extern "C" {
emilmont 44:24d45a770a51 25 #endif
emilmont 44:24d45a770a51 26
emilmont 44:24d45a770a51 27 typedef struct i2c_s i2c_t;
emilmont 44:24d45a770a51 28
emilmont 44:24d45a770a51 29 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
emilmont 44:24d45a770a51 30 void i2c_frequency (i2c_t *obj, int hz);
emilmont 44:24d45a770a51 31 int i2c_start (i2c_t *obj);
emilmont 44:24d45a770a51 32 void i2c_stop (i2c_t *obj);
emilmont 55:d722ed6a4237 33 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
emilmont 44:24d45a770a51 34 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
emilmont 44:24d45a770a51 35 void i2c_reset (i2c_t *obj);
emilmont 44:24d45a770a51 36 int i2c_byte_read (i2c_t *obj, int last);
emilmont 44:24d45a770a51 37 int i2c_byte_write (i2c_t *obj, int data);
emilmont 44:24d45a770a51 38
emilmont 44:24d45a770a51 39 #if DEVICE_I2CSLAVE
emilmont 44:24d45a770a51 40 void i2c_slave_mode (i2c_t *obj, int enable_slave);
emilmont 44:24d45a770a51 41 int i2c_slave_receive(i2c_t *obj);
emilmont 44:24d45a770a51 42 int i2c_slave_read (i2c_t *obj, char *data, int length);
emilmont 44:24d45a770a51 43 int i2c_slave_write (i2c_t *obj, const char *data, int length);
emilmont 44:24d45a770a51 44 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
emilmont 44:24d45a770a51 45 #endif
emilmont 44:24d45a770a51 46
emilmont 44:24d45a770a51 47 #ifdef __cplusplus
emilmont 44:24d45a770a51 48 }
emilmont 44:24d45a770a51 49 #endif
emilmont 44:24d45a770a51 50
emilmont 44:24d45a770a51 51 #endif
emilmont 44:24d45a770a51 52
emilmont 44:24d45a770a51 53 #endif