mirror of
https://github.com/pvvx/rtl00TstMinAmebaV35a.git
synced 2024-11-27 08:40:28 +00:00
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
|
/* mbed Microcontroller Library
|
||
|
|
* Copyright (c) 2006-2013 ARM Limited
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
#ifndef MBED_I2C_API_H
|
||
|
|
#define MBED_I2C_API_H
|
||
|
|
|
||
|
|
#include "device.h"
|
||
|
|
|
||
|
|
#if DEVICE_I2C
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct i2c_s i2c_t;
|
||
|
|
|
||
|
|
enum {
|
||
|
|
I2C_ERROR_NO_SLAVE = -1,
|
||
|
|
I2C_ERROR_BUS_BUSY = -2
|
||
|
|
};
|
||
|
|
|
||
|
|
void i2c_init (i2c_t *obj, PinName sda, PinName scl);
|
||
|
|
void i2c_frequency (i2c_t *obj, int hz);
|
||
|
|
int i2c_start (i2c_t *obj);
|
||
|
|
int i2c_stop (i2c_t *obj);
|
||
|
|
int i2c_read (i2c_t *obj, int address, char *data, int length, int stop);
|
||
|
|
int i2c_write (i2c_t *obj, int address, const char *data, int length, int stop);
|
||
|
|
void i2c_reset (i2c_t *obj);
|
||
|
|
int i2c_byte_read (i2c_t *obj, int last);
|
||
|
|
int i2c_byte_write (i2c_t *obj, int data);
|
||
|
|
|
||
|
|
|
||
|
|
#if DEVICE_I2CSLAVE
|
||
|
|
void i2c_slave_mode (i2c_t *obj, int enable_slave);
|
||
|
|
int i2c_slave_receive(i2c_t *obj);
|
||
|
|
int i2c_slave_read (i2c_t *obj, char *data, int length);
|
||
|
|
int i2c_slave_write (i2c_t *obj, const char *data, int length);
|
||
|
|
void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|