infineon ported to arduino...

9   // Read ID
10   uint8_t id = readByte(0x00);
11   Serial.print("ID: ");
12   Serial.println(id, HEX);
13
14   // Check sensor status
15   uint8_t sts = readByte(0x01);
16   Serial.print("Sensor status: ");
17   Serial.println(sts, HEX);
18
19   // Idle mode
20   writeByte(0x04, 0x00);
21   delay(400);
22
23   // Set measurement rate to 10 s
24   writeByte(0x02, 0x00);
25   writeByte(0x03, 0x0A);
26
27   // Configure continous mode
28   writeByte(0x04, 0x02);
29 }
30
31 void loop() {
32
33   // Poll measurement status
34   uint8_t meas_sts = readByte(0x07);
35   delay(100);
36
37   if (meas_sts == 0x10) {
38
39     // Get PPM value
40     uint8_t value1 = readByte(0x05);
41     delay(5);
42     uint8_t value2 = readByte(0x06);
43     delay(5);
44
45     // Calculate ppm value
46     int16_t result = value1 << 8 | value2;
47     Serial.print("CO2: ");
48     Serial.print(result);
49     Serial.println(" ppm");
50   }
51   delay(1000);
52 }