-
Notifications
You must be signed in to change notification settings - Fork 52
/
Copy pathdevices.hpp
206 lines (198 loc) · 9.43 KB
/
devices.hpp
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
// Copyright (c) 2018 Intel Corporation
//
// 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.
*/
/// \file devices.hpp
#pragma once
#include <boost/container/flat_map.hpp>
namespace devices
{
struct CmpStr
{
bool operator()(const char* a, const char* b) const
{
return std::strcmp(a, b) < 0;
}
};
// I2C device drivers may create a /hwmon subdirectory. For example the tmp75
// driver creates a /sys/bus/i2c/devices/<busnum>-<i2caddr>/hwmon
// directory. The sensor code relies on the presence of the /hwmon
// subdirectory to collect sensor readings. Initialization of this subdir is
// not reliable. I2C devices flagged with hasHWMonDir are tested for correct
// initialization, and when a failure is detected the device is deleted, and
// then recreated. The default is to retry 5 times before moving to the next
// device.
// Devices such as I2C EEPROMs do not generate this file structure. These
// kinds of devices are flagged using the noHWMonDir enumeration. The
// expectation is they are created correctly on the first attempt.
// This enumeration class exists to reduce copy/paste errors. It is easy to
// overlook the trailing parameter in the ExportTemplate structure when it is
// a simple boolean.
enum class createsHWMon : bool
{
noHWMonDir,
hasHWMonDir
};
struct ExportTemplate
{
ExportTemplate(const char* params, const char* bus, const char* constructor,
const char* destructor, createsHWMon hasHWMonDir) :
parameters(params), busPath(bus), add(constructor), remove(destructor),
hasHWMonDir(hasHWMonDir) {};
const char* parameters;
const char* busPath;
const char* add;
const char* remove;
createsHWMon hasHWMonDir;
};
const boost::container::flat_map<const char*, ExportTemplate, CmpStr>
exportTemplates{
{{"EEPROM_24C01",
ExportTemplate("24c01 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C02",
ExportTemplate("24c02 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C04",
ExportTemplate("24c04 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C08",
ExportTemplate("24c08 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C16",
ExportTemplate("24c16 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C32",
ExportTemplate("24c32 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C64",
ExportTemplate("24c64 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C128",
ExportTemplate("24c128 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM_24C256",
ExportTemplate("24c256 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"ADS1015",
ExportTemplate("ads1015 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"ADS7828",
ExportTemplate("ads7828 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"EEPROM",
ExportTemplate("eeprom $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"Gpio", ExportTemplate("$Index", "/sys/class/gpio", "export",
"unexport", createsHWMon::noHWMonDir)},
{"IPSPS1",
ExportTemplate("ipsps1 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"MAX34440",
ExportTemplate("max34440 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"PCA9537",
ExportTemplate("pca9537 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9542Mux",
ExportTemplate("pca9542 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9543Mux",
ExportTemplate("pca9543 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9544Mux",
ExportTemplate("pca9544 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9545Mux",
ExportTemplate("pca9545 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9546Mux",
ExportTemplate("pca9546 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9547Mux",
ExportTemplate("pca9547 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9548Mux",
ExportTemplate("pca9548 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9846Mux",
ExportTemplate("pca9846 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9847Mux",
ExportTemplate("pca9847 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9848Mux",
ExportTemplate("pca9848 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"PCA9849Mux",
ExportTemplate("pca9849 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::noHWMonDir)},
{"SIC450",
ExportTemplate("sic450 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"Q50SN12072",
ExportTemplate("q50sn12072 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"MAX31790",
ExportTemplate("max31790 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"PIC32", ExportTemplate("pic32 $Address",
"/sys/bus/i2c/devices/i2c-$Bus", "new_device",
"delete_device", createsHWMon::hasHWMonDir)},
{"INA226",
ExportTemplate("ina226 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"RAA229620",
ExportTemplate("raa229620 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"RAA229621",
ExportTemplate("raa229621 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)},
{"PIC32",
ExportTemplate("pic32 $Address", "/sys/bus/i2c/devices/i2c-$Bus",
"new_device", "delete_device",
createsHWMon::hasHWMonDir)}}};
} // namespace devices