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Delete pzem-004t-v30.ino
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#include <knx.h>
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#include <PZEM004Tv30.h>
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#include "wiring_private.h" // pinPeripheral() function
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//Sercom Stuff
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#define PIN_SERIAL2_RX (34ul) // Pin description number for PIO_SERCOM on D12 (34ul)
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#define PIN_SERIAL2_TX (36ul) // Pin description number for PIO_SERCOM on D10 (36ul)
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#define PAD_SERIAL2_TX (UART_TX_PAD_2) // SERCOM pad 2
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#define PAD_SERIAL2_RX (SERCOM_RX_PAD_3) // SERCOM pad 3
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Uart Serial2(&sercom1, PIN_SERIAL2_RX, PIN_SERIAL2_TX, PAD_SERIAL2_RX, PAD_SERIAL2_TX); //TX D10, RX D12
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void SERCOM1_Handler()
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{
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Serial2.IrqHandler();
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}
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//Blinking live LED
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const uint8_t ledPin = LED_BUILTIN;// the number of the LED pin
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bool ledState = LOW; // ledState used to set the LED
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unsigned long previousMillis = 0; // will store last time LED was updated
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const long interval = 2000; // interval at which to blink (milliseconds)
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//PZEM stuff
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#define PZEM004_NO_SWSERIAL
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#define PZEM_DEFAULT_ADDR 0xF8
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const uint8_t physicalCount = 6; // voltage,current,power_factor,power,energy,frequency
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//knx stuff
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#define goReset knx.getGroupObject(1)
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#define goDateTime knx.getGroupObject(2)
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const uint8_t ets_startupTimeout[7] = {0, 1, 2, 3, 4, 5, 6};
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const int ets_timePeriod[7] = {0, 1, 5, 15, 1 * 60, 5 * 60, 15 * 60};
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const uint8_t ets_percentCycle[6] = {0, 5, 10, 15, 20, 30}; //need knxprod update... ?
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int percentCycle = 0; // better to define a global or read knx.paramByte each time... ?
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unsigned long timePeriod = 0; // same here,
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uint8_t resetFlag = 0; // and here...
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// Issue on https://github.com/mandulaj/PZEM-004T-v30/issues/43
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PZEM004Tv30 pzem(Serial2, PZEM_DEFAULT_ADDR);
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struct Physical {
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void init(uint8_t GOaddr, Dpt type_dpt){
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_GOaddr = GOaddr;
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_dpt = type_dpt;
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}
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void loop(float value){
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unsigned long currentMillis = millis();
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// Delta Change update as defined in ETS
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int deltaPercent = ( 100 * ( value - lastValue ) / value );
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if ( percentCycle != 0 && abs(deltaPercent) >= percentCycle )
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{
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trigger = true;
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}
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// Refresh groupAddress value as defined in ETS since last update
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if ( timePeriod != 0 && currentMillis - lastUpdate >= timePeriod )
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{
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trigger = true;
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}
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// UpdateGO but send to bus only if triggered by time or value change percentage
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if (trigger){
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knx.getGroupObject(_GOaddr).value(value, _dpt);
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lastUpdate = millis();
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trigger = false;
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}else{
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knx.getGroupObject(_GOaddr).valueNoSend(value, _dpt);
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}
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lastValue = value;
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}
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private:
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uint8_t _GOaddr;
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Dpt _dpt;
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bool trigger = false;
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// bool isUpdated = false;
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public:
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float lastValue = 0;
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unsigned long lastUpdate = 0;
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} Physical[physicalCount];
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// callback from reset-GO
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void resetCallback(GroupObject& go)
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{
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if (go.value())
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{
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pzem.resetEnergy();
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goReset.value(false);
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}
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}
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void setup() {
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pinPeripheral(PIN_SERIAL2_RX, PIO_SERCOM);
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pinPeripheral(PIN_SERIAL2_TX, PIO_SERCOM);
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SerialUSB.begin(9600);
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Serial2.begin(9600);
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ArduinoPlatform::SerialDebug = &SerialUSB;
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randomSeed(millis());
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knx.readMemory();
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if (knx.configured())
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{
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int confStartupTime = ets_startupTimeout[knx.paramByte(0)] * 1000;
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delay(confStartupTime); // the only delay used, why make a withoutDelay function for that?
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percentCycle = ets_percentCycle[knx.paramByte(1)];
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timePeriod = ets_timePeriod[knx.paramByte(2)] * 1000;
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resetFlag = knx.paramByte(3);
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goReset.callback(resetCallback);
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goReset.dataPointType(DPT_Trigger);
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goDateTime.dataPointType(DPT_DateTime);
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uint8_t GOaddr = 3;
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Physical[0].init(GOaddr, DPT_Value_Electric_Potential); // voltage
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Physical[1].init(GOaddr += 1, DPT_Value_Electric_Current);
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Physical[2].init(GOaddr += 1, DPT_Value_Power_Factor);
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Physical[3].init(GOaddr += 1, DPT_Value_Power);
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Physical[4].init(GOaddr += 1, DPT_Value_Energy);
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Physical[5].init(GOaddr += 1, DPT_Value_Frequency);
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}
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// is the led active on HIGH or low? Default is LOW
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knx.ledPinActiveOn(HIGH);
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// pin or GPIO programming button is connected to. Default is 0
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knx.ledPin(5);
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knx.buttonPin(9);
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knx.start();
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// while (!SerialUSB) { //wait for DEBUGING
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// ; // wait for serial port to connect. Needed for native USB port only
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// }
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}
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void loop() {
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knx.loop();
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if (!knx.configured()) {
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return;
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}
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unsigned long currentMillis = millis();
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if (currentMillis - previousMillis >= interval) { // I love blinking LED state...
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previousMillis = currentMillis;
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if (ledState == LOW) {
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ledState = HIGH;
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} else {
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ledState = LOW;
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}
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digitalWrite(ledPin, ledState);
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}
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for (uint8_t i=0; i< physicalCount; i++)
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{
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if (currentMillis - Physical[i].lastUpdate >= interval)
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{
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float isanValue = refreshValue(i);
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if(!isnan(isanValue))
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{
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Physical[i].loop(isanValue);
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}
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}
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}
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}
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float refreshValue(uint8_t physicalNumber){
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float valueTemp;
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switch (physicalNumber) { //maybe a pointer or reference could be nicer...
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case 0:
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valueTemp = pzem.voltage();
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return valueTemp;
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case 1:
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valueTemp = pzem.current();
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return valueTemp;
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case 2:
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valueTemp = pzem.pf();
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return valueTemp;
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case 3:
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valueTemp = pzem.power();
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return valueTemp;
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case 4:
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valueTemp = pzem.energy();
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return valueTemp;
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case 5:
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valueTemp = pzem.frequency();
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return valueTemp;
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default:
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break;
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}
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}
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void resetEnergy(){
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pzem.resetEnergy();
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}
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