Rev 2202 Rev 2234
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