blob: b79bdc75b819977b33b9f0841904d4ac4a4612a6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* 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 included_vlib_i2c_h
#define included_vlib_i2c_h
#include <vppinfra/types.h>
#define I2C_MSG_FLAG_WRITE 0
#define I2C_MSG_FLAG_READ 1
typedef struct
{
u8 addr;
u8 flags;
u16 len;
u8 *buffer;
} i2c_msg_t;
typedef struct i2c_bus_t
{
void (*put_bits) (struct i2c_bus_t * b, int scl, int sda);
void (*get_bits) (struct i2c_bus_t * b, int *scl, int *sda);
int timeout;
u32 clock;
f64 hold_time;
f64 rise_fall_time;
/* Private data */
uword private_data;
} i2c_bus_t;
void vlib_i2c_init (i2c_bus_t * bus);
void vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs);
void vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr,
|
