Line 15... |
Line 15... |
15 |
Serial.begin(9600); // Zmerena intenzita osvetleni se bude vypisovat na seriovou linku |
15 |
Serial.begin(9600); // Zmerena intenzita osvetleni se bude vypisovat na seriovou linku |
16 |
} |
16 |
} |
17 |
|
17 |
|
18 |
int data = 0; |
18 |
int data = 0; |
19 |
|
19 |
|
- |
|
20 |
void led_blink() |
- |
|
21 |
{ |
- |
|
22 |
digitalWrite(3, HIGH); // set the LED on |
- |
|
23 |
delay(500); |
- |
|
24 |
digitalWrite(3, LOW); // set the LED off |
- |
|
25 |
delay(500); |
- |
|
26 |
} |
- |
|
27 |
|
- |
|
28 |
|
- |
|
29 |
int set_light_sensor() |
- |
|
30 |
{ |
- |
|
31 |
// Setup device |
- |
|
32 |
Wire.beginTransmission(address); |
- |
|
33 |
Wire.send(0x00); // sends address |
- |
|
34 |
Wire.send(0b11100000); // setup (eye light sensing; measurement range 2 [4000 lx]) |
- |
|
35 |
Wire.endTransmission(); // stop transmitting |
- |
|
36 |
|
- |
|
37 |
} |
- |
|
38 |
|
- |
|
39 |
int get_light_measurement() |
- |
|
40 |
{ |
- |
|
41 |
int lux=0; |
- |
|
42 |
|
- |
|
43 |
// Connect to device and set register address |
- |
|
44 |
Wire.beginTransmission(address); |
- |
|
45 |
Wire.send(0x01); // sends address of LSB reagister |
- |
|
46 |
Wire.endTransmission(); // stop transmitting |
- |
|
47 |
|
- |
|
48 |
// Connect to device and request one byte |
- |
|
49 |
Wire.beginTransmission(address); |
- |
|
50 |
Wire.requestFrom(address, 1); |
- |
|
51 |
data = Wire.receive(); |
- |
|
52 |
Wire.endTransmission(); // stop transmitting |
- |
|
53 |
lux=data; |
- |
|
54 |
|
- |
|
55 |
// Connect to device and set register address |
- |
|
56 |
Wire.beginTransmission(address); |
- |
|
57 |
Wire.send(0x02); // sends address of MSB register |
- |
|
58 |
Wire.endTransmission(); // stop transmitting |
- |
|
59 |
|
- |
|
60 |
// Connect to device and request one byte |
- |
|
61 |
Wire.beginTransmission(address); |
- |
|
62 |
Wire.requestFrom(address, 1); |
- |
|
63 |
data = Wire.receive(); |
- |
|
64 |
Wire.endTransmission(); // stop transmitting |
- |
|
65 |
|
- |
|
66 |
lux+=data*256; |
- |
|
67 |
return lux; |
- |
|
68 |
} |
- |
|
69 |
|
20 |
void loop() |
70 |
void loop() |
21 |
{ |
71 |
{ |
22 |
int lux=0; |
72 |
int lux=0; |
23 |
|
73 |
|
24 |
/* Serial.print("lux="); |
74 |
/* Serial.print("lux="); |
Line 72... |
Line 122... |
72 |
Wire.requestFrom(address, 1); |
122 |
Wire.requestFrom(address, 1); |
73 |
data = Wire.receive(); |
123 |
data = Wire.receive(); |
74 |
Wire.endTransmission(); // stop transmitting |
124 |
Wire.endTransmission(); // stop transmitting |
75 |
// Serial.print(data, HEX); |
125 |
// Serial.print(data, HEX); |
76 |
lux+=data*256; |
126 |
lux+=data*256; |
77 |
*/ |
- |
|
78 |
|
127 |
|
79 |
Serial.print((unsigned)lux, DEC); |
128 |
Serial.print((unsigned)lux, DEC); |
- |
|
129 |
*/ |
- |
|
130 |
|
- |
|
131 |
set_light_sensor(); |
80 |
|
132 |
|
81 |
Serial.print(" luxIR="); |
- |
|
82 |
|
- |
|
83 |
// Setup device |
- |
|
84 |
Wire.beginTransmission(address); |
- |
|
85 |
Wire.send(0x00); // sends address |
- |
|
86 |
Wire.send(0b11100000); // setup (eye light sensing; measurement range 2 [4000 lx]) |
- |
|
87 |
Wire.endTransmission(); // stop transmitting |
- |
|
88 |
|
- |
|
89 |
// Delay for measurement |
133 |
// Delay for measurement |
90 |
digitalWrite(3, HIGH); // set the LED on |
- |
|
91 |
delay(500); |
134 |
led_blink(); |
92 |
digitalWrite(3, LOW); // set the LED off |
- |
|
93 |
delay(500); |
- |
|
94 |
|
- |
|
95 |
|
135 |
|
96 |
// Connect to device and set register address |
136 |
// Connect to device and set register address |
97 |
Wire.beginTransmission(address); |
137 |
Wire.beginTransmission(address); |
98 |
Wire.send(0x00); // sends address |
138 |
Wire.send(0x00); // sends address |
99 |
Wire.endTransmission(); // stop transmitting |
139 |
Wire.endTransmission(); // stop transmitting |
100 |
// Connect to device and request one byte |
140 |
// Connect to device and request one byte |
101 |
Wire.beginTransmission(address); |
141 |
Wire.beginTransmission(address); |
102 |
Wire.requestFrom(address, 1); |
142 |
Wire.requestFrom(address, 1); |
103 |
data = Wire.receive(); |
143 |
data = Wire.receive(); |
104 |
Wire.endTransmission(); // stop transmitting |
144 |
Wire.endTransmission(); // stop transmitting |
105 |
// Serial.print(data, HEX); |
- |
|
106 |
|
145 |
|
107 |
// Serial.print(" LSB="); |
- |
|
108 |
// Connect to device and set register address |
- |
|
109 |
Wire.beginTransmission(address); |
- |
|
110 |
Wire.send(0x01); // sends address |
- |
|
111 |
Wire.endTransmission(); // stop transmitting |
- |
|
112 |
// Connect to device and request one byte |
- |
|
113 |
Wire.beginTransmission(address); |
- |
|
114 |
Wire.requestFrom(address, 1); |
- |
|
115 |
data = Wire.receive(); |
- |
|
116 |
Wire.endTransmission(); // stop transmitting |
- |
|
117 |
// Serial.print(data, HEX); |
- |
|
118 |
lux=data; |
146 |
// data print |
119 |
|
- |
|
120 |
// Serial.print(" MSB="); |
147 |
Serial.print(" luxIR="); |
121 |
// Connect to device and set register address |
- |
|
122 |
Wire.beginTransmission(address); |
- |
|
123 |
Wire.send(0x02); // sends address |
- |
|
124 |
Wire.endTransmission(); // stop transmitting |
- |
|
125 |
// Connect to device and request one byte |
- |
|
126 |
Wire.beginTransmission(address); |
- |
|
127 |
Wire.requestFrom(address, 1); |
- |
|
128 |
data = Wire.receive(); |
- |
|
129 |
Wire.endTransmission(); // stop transmitting |
- |
|
130 |
// Serial.print(data, HEX); |
- |
|
131 |
lux+=data*256; |
- |
|
132 |
Serial.println((unsigned)lux, DEC); |
148 |
Serial.println((unsigned)get_light_measurement(), DEC); |
133 |
} |
149 |
} |
134 |
|
150 |
|