NetMeterbusMaster/overCurrentProt.cpp

#include <stdint.h>
#include "overCurrentProt.h"
#include <Streaming.h>



volatile bool overCurrentMarker;

void overCurrentProtServiceRoutine() {
  // switch off current
  digitalWrite(CURRENT_SHUTDOWN, CURRENT_OFF);

  // set marker
  overCurrentMarker = true;

  Serial.println("X");
}




OverCurrentProtCmd::OverCurrentProtCmd(OverCurrentProt *overCurrentProt) : m_overCurrentProt(overCurrentProt) {
}

String OverCurrentProtCmd::exec(String params) {
  String res = "done";

  Print *out = m_server;
  if (params.equalsIgnoreCase("help")) {
    *out << "help ..... this help page" << endl;
    *out << "show ..... show statistics" << endl;
    *out << "reset .... reset statistics" << endl;
    *out << "disable .. disable loop" << endl;
    *out << "enable ... enable loop" << endl;
    *out << endl;
  } else if (params.equalsIgnoreCase("enable")) {
    digitalWrite(CURRENT_SHUTDOWN, CURRENT_ON);
    *out << "Loop enabled" << endl;
  } else if (params.equalsIgnoreCase("disable")) {
    digitalWrite(CURRENT_SHUTDOWN, CURRENT_OFF);
    *out << "Loop disabled" << endl;
  } else if (params.equalsIgnoreCase("show")) {
    *out << "Over current counter: " << m_overCurrentProt->getEventCnt() << endl;
  } else if (params.equalsIgnoreCase("reset")) {
    m_overCurrentProt->resetEventCnt();
    *out << "Over current counter reseted" << endl;
  } else {
    *out << "unknown subcommand" << endl;
    res = "failed";
  }
  return res;
}





OverCurrentProt::OverCurrentProt() : m_overCurrentProtCmd(this),
    m_eventCnt(0), m_timestamp(0) {

}


void OverCurrentProt::begin(CmdServer *cmdServer) {
  m_overCurrentProtCmd.registerYourself(cmdServer);
  pinMode(CURRENT_SHUTDOWN, OUTPUT);
  digitalWrite(CURRENT_SHUTDOWN, CURRENT_ON);
  overCurrentMarker = false;
  pinMode(CURRENT_INTERRUPT, INPUT);
  attachInterrupt(CURRENT_INTERRUPT, overCurrentProtServiceRoutine, FALLING);
  Serial.println("OC ready");
}


void OverCurrentProt::exec() {
  if ((m_timestamp == 0) && overCurrentMarker) {
    m_eventCnt++;
    m_timestamp = millis();
  }

  if ((m_timestamp != 0) && ((m_timestamp + TURN_ON_DELAY) < millis())) {
    overCurrentMarker = false;
    m_timestamp = 0;
    digitalWrite(CURRENT_SHUTDOWN, CURRENT_ON);
  }
}