-
Notifications
You must be signed in to change notification settings - Fork 0
/
CAT5171.cpp
94 lines (78 loc) · 2.28 KB
/
CAT5171.cpp
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
/*
* MIT License
*
* Copyright (c) 2018 hosadoya
* customized by elehobica 2022
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "CAT5171.h"
CAT5171::CAT5171(TwoWire *wire, double maxResistance, bool swapAB)
: _wire(wire), _address(ADDRESS0), _maxResistance(maxResistance), _swapAB(swapAB)
{
}
void CAT5171::setWiper(byte position)
{
_wire->beginTransmission(_address);
if (position >= getWiperPositions()) {
position = getWiperPositions() - 1;
}
if (_swapAB) {
position = getWiperPositions() - position - 1;
}
_wire->write(0b00000000);
_wire->write(position);
_wire->endTransmission();
}
byte CAT5171::getWiper()
{
byte position = 0;
_wire->requestFrom(0b0101100, 1);
while (_wire->available()) {
position = _wire->read();
}
if (_swapAB) {
position = getWiperPositions() - position - 1;
}
return position;
}
uint32_t CAT5171::getWiperPositions()
{
return 256;
}
double CAT5171::getMaxResistance()
{
return _maxResistance;
}
double CAT5171::getMinResistance()
{
//return 50.0;
return 0.0;
}
void CAT5171::shutDown()
{
_wire->beginTransmission(_address);
_wire->write(0b00100000);
_wire->write((byte)0);
_wire->endTransmission();
}
void CAT5171::switchToSecondDevice()
{
_address = ADDRESS1;
}