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
|
/**
* TCA9548 I2CScanner.ino -- I2C bus scanner for Arduino
*
* Based on https://playground.arduino.cc/Main/I2cScanner/
*
*/
#include "Wire.h"
#include "Adafruit_TCS34725.h"
#define PCAADDR 0x70
#include <SparkFunSX1509.h>
Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_614MS, TCS34725_GAIN_1X);
const byte SX1509_ADDRESS = 0x3E; // SX1509 I2C address
SX1509 io; // Create an SX1509 object to be used throughout
const byte SX1509_IR_SENS1 = 15; // ir sens 1 to SX1509's pin 15
int ir1 = 1;
void pcaselect(uint8_t i) {
if (i > 7) return;
Wire.beginTransmission(PCAADDR);
Wire.write(1 << i);
Wire.endTransmission();
}
// standard Arduino setup()
void setup()
{
delay(1000);
Wire.begin();
Serial.begin(115200);
Serial.println("\nPCAScanner ready!");
for (uint8_t t=0; t<8; t++) {
pcaselect(t);
Serial.print("PCA Port #"); Serial.println(t);
for (uint8_t addr = 0; addr<=127; addr++) {
if (addr == PCAADDR) continue;
Wire.beginTransmission(addr);
if (!Wire.endTransmission()) {
Serial.print("Found I2C 0x"); Serial.println(addr,HEX);
}
}
}
Serial.println("\ndone");
io.pinMode(SX1509_IR_SENS1, INPUT);
}
void loop()
{
delay(1000);
Wire.begin();
Serial.begin(115200);
Serial.println("\nPCAScanner ready!");
//port expander
pcaselect(0);
Serial.println("PCA Port #0 port multiplier");
ir1 = io.digitalRead(SX1509_IR_SENS1);
Serial.println(ir1);
//collorsensor 1
pcaselect(1);
Serial.println("PCA Port #1 collor sensor 1");
uint16_t r, g, b, c, colorTemp, lux;
tcs.getRawData(&r, &g, &b, &c);
colorTemp = tcs.calculateColorTemperature_dn40(r, g, b, c);
lux = tcs.calculateLux(r, g, b);
Serial.print("RGB: "); Serial.print(r, DEC); Serial.print(", "); Serial.print(g, DEC); Serial.print(", "); Serial.print(b, DEC); Serial.println(" ");
Serial.println("\ndone");
}
|
