knx/examples/knx-demo/knx-demo.ino

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#include <Arduino.h>
#include <knx.h>
#if MASK_VERSION != 0x07B0 && (defined ARDUINO_ARCH_ESP8266 || defined ARDUINO_ARCH_ESP32)
#include <WiFiManager.h>
#endif
// create named references for easy access to group objects
#define goCurrent knx.getGroupObject(1)
#define goMax knx.getGroupObject(2)
#define goMin knx.getGroupObject(3)
#define goReset knx.getGroupObject(4)
float currentValue = 0;
float maxValue = 0;
float minValue = RAND_MAX;
long lastsend = 0;
void measureTemp()
{
long now = millis();
if ((now - lastsend) < 2000)
return;
lastsend = now;
int r = rand();
currentValue = (r * 1.0) / (RAND_MAX * 1.0);
currentValue *= 100 * 100;
// write new value to groupobject
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goCurrent.value(currentValue);
if (currentValue > maxValue)
{
maxValue = currentValue;
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goMax.value(maxValue);
}
if (currentValue < minValue)
{
minValue = currentValue;
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goMin.value(minValue);
}
}
// callback from reset-GO
void resetCallback(GroupObject& go)
{
if (go.value())
{
maxValue = 0;
minValue = 10000;
}
}
void setup()
{
Serial.begin(115200);
ArduinoPlatform::SerialDebug = &Serial;
randomSeed(millis());
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#if MASK_VERSION != 0x07B0 && (defined ARDUINO_ARCH_ESP8266 || defined ARDUINO_ARCH_ESP32)
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WiFiManager wifiManager;
wifiManager.autoConnect("knx-demo");
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#endif
// read adress table, association table, groupobject table and parameters from eeprom
knx.readMemory();
// print values of parameters if device is already configured
if (knx.configured())
{
// register callback for reset GO
goReset.callback(resetCallback);
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goReset.dataPointType(DPT_Trigger);
goCurrent.dataPointType(DPT_Value_Temp);
goMin.dataPointType(DPT_Value_Temp);
goMax.dataPointType(DPT_Value_Temp);
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Serial.print("Timeout: ");
Serial.println(knx.paramByte(0));
Serial.print("Zykl. senden: ");
Serial.println(knx.paramByte(1));
Serial.print("Min/Max senden: ");
Serial.println(knx.paramByte(2));
Serial.print("Aenderung senden: ");
Serial.println(knx.paramByte(3));
Serial.print("Abgleich: ");
Serial.println(knx.paramByte(4));
}
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// pin or GPIO the programming led is connected to. Default is LED_BUILTIN
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// knx.ledPin(LED_BUILTIN);
// is the led active on HIGH or low? Default is LOW
// knx.ledPinActiveOn(HIGH);
// pin or GPIO programming button is connected to. Default is 0
// knx.buttonPin(0);
// start the framework.
knx.start();
}
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void loop()
{
// don't delay here to much. Otherwise you might lose packages or mess up the timing with ETS
knx.loop();
// only run the application code if the device was configured with ETS
if (!knx.configured())
return;
measureTemp();
}