Bei Chen Liu / mbed-src

mbed library sources

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hal/i2c_api.h@13:0645d8841f51, 2013-08-05 (annotated)

Committer:
bogdanm
Date:
Mon Aug 05 14:12:34 2013 +0300
Revision:
13:0645d8841f51
Parent:
10:3bc89ef62ce7
Child:
470:07f8455214b5
Update mbed sources to revision 64

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_I2C_API_H
bogdanm 13:0645d8841f51 17 #define MBED_I2C_API_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "device.h"
bogdanm 13:0645d8841f51 20
bogdanm 13:0645d8841f51 21 #if DEVICE_I2C
bogdanm 13:0645d8841f51 22
bogdanm 13:0645d8841f51 23 #ifdef __cplusplus
bogdanm 13:0645d8841f51 24 extern "C" {
bogdanm 13:0645d8841f51 25 #endif
bogdanm 13:0645d8841f51 26
bogdanm 13:0645d8841f51 27 typedef struct i2c_s i2c_t;
bogdanm 13:0645d8841f51 28
bogdanm 13:0645d8841f51 29 enum {
bogdanm 13:0645d8841f51 30 I2C_ERROR_NO_SLAVE = -1,
bogdanm 13:0645d8841f51 31 I2C_ERROR_BUS_BUSY = -2
bogdanm 13:0645d8841f51 32 };
bogdanm 13:0645d8841f51 33
bogdanm 13:0645d8841f51 34 void i2c_init (i2c_t *obj, PinName sda, PinName scl);
bogdanm 13:0645d8841f51 35 void i2c_frequency (i2c_t *obj, int hz);
bogdanm 13:0645d8841f51 36 int i2c_start (i2c_t *obj);
bogdanm 13:0645d8841f51 37 int i2c_stop (i2c_t *obj);
bogdanm 13:0645d8841f51 38 int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
bogdanm 13:0645d8841f51 39 int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
bogdanm 13:0645d8841f51 40 void i2c_reset (i2c_t *obj);
bogdanm 13:0645d8841f51 41 int i2c_byte_read (i2c_t *obj, int last);
bogdanm 13:0645d8841f51 42 int i2c_byte_write (i2c_t *obj, int data);
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 #if DEVICE_I2CSLAVE
bogdanm 13:0645d8841f51 45 void i2c_slave_mode (i2c_t *obj, int enable_slave);
bogdanm 13:0645d8841f51 46 int i2c_slave_receive(i2c_t *obj);
bogdanm 13:0645d8841f51 47 int i2c_slave_read (i2c_t *obj, char *data, int length);
bogdanm 13:0645d8841f51 48 int i2c_slave_write (i2c_t *obj, const char *data, int length);
bogdanm 13:0645d8841f51 49 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
bogdanm 13:0645d8841f51 50 #endif
bogdanm 13:0645d8841f51 51
bogdanm 13:0645d8841f51 52 #ifdef __cplusplus
bogdanm 13:0645d8841f51 53 }
bogdanm 13:0645d8841f51 54 #endif
bogdanm 13:0645d8841f51 55
bogdanm 13:0645d8841f51 56 #endif
bogdanm 13:0645d8841f51 57
bogdanm 13:0645d8841f51 58 #endif