-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathNewRemoteTransmitter.cpp
135 lines (107 loc) · 2.9 KB
/
NewRemoteTransmitter.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
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
/*
* NewRemoteSwitch library v1.0.0 (20121229) made by Randy Simons http://randysimons.nl/
* See NewRemoteTransmitter.h for details.
*
* License: GPLv3. See license.txt
*/
#include "NewRemoteTransmitter.h"
#include <wiringPi.h>
NewRemoteTransmitter::NewRemoteTransmitter(unsigned long address, unsigned short pin, unsigned int periodusec, unsigned short repeats) {
_address = address;
_pin = pin;
_periodusec = periodusec;
_repeats = (1 << repeats) - 1; // I.e. _repeats = 2^repeats - 1
pinMode(_pin, OUTPUT);
}
void NewRemoteTransmitter::sendGroup(bool switchOn) {
for (int i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// Do send group bit
_sendBit(true);
// Switch on | off
_sendBit(switchOn);
// No unit. Is this actually ignored?..
_sendUnit(0);
_sendStopPulse();
}
}
void NewRemoteTransmitter::sendUnit(unsigned short unit, bool switchOn) {
for (int i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// No group bit
_sendBit(false);
// Switch on | off
_sendBit(switchOn);
_sendUnit(unit);
_sendStopPulse();
}
}
void NewRemoteTransmitter::sendDim(unsigned short unit, unsigned short dimLevel) {
for (int i = _repeats; i >= 0; i--) {
_sendStartPulse();
_sendAddress();
// No group bit
_sendBit(false);
// Switch type 'dim'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
_sendUnit(unit);
for (short j=3; j>=0; j--) {
_sendBit(dimLevel & 1<<j);
}
_sendStopPulse();
}
}
void NewRemoteTransmitter::_sendStartPulse(){
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 10 + (_periodusec >> 1)); // Actually 10.5T insteat of 10.44T. Close enough.
}
void NewRemoteTransmitter::_sendAddress() {
for (short i=25; i>=0; i--) {
_sendBit((_address >> i) & 1);
}
}
void NewRemoteTransmitter::_sendUnit(unsigned short unit) {
for (short i=3; i>=0; i--) {
_sendBit(unit & 1<<i);
}
}
void NewRemoteTransmitter::_sendStopPulse() {
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 40);
}
void NewRemoteTransmitter::_sendBit(bool isBitOne) {
if (isBitOne) {
// Send '1'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 5);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
} else {
// Send '0'
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec);
digitalWrite(_pin, HIGH);
delayMicroseconds(_periodusec);
digitalWrite(_pin, LOW);
delayMicroseconds(_periodusec * 5);
}
}