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amgpelletstove.cpp
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amgpelletstove.cpp
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#include "espMQTT.h"
#ifndef D0
#define D0 0
#endif
#define NODEMCULEDPIN D0
String amgpowercmd = "";
String amgtempcmd = "";
uint8_t amgcmdnr = 0;
bool cooldown_phase_1 = false;
void amgpelletstove_init()
{
Serial.setDebugOutput(false);
Serial.begin(115200, SERIAL_8N1);
U0C0 = BIT(UCRXI) | BIT(UCBN) | BIT(UCBN + 1) | BIT(UCSBN) | BIT(UCTXI); // Inverse RX + TX
}
void amgpelletstove_receivemqtt(const String& topicstring, const String& payloadstring)
{
if (topicstring.substring(topicstring.length() - 9) == sF("/setpower"))
{
int powersetpoint = payloadstring.toInt();
if ((payloadstring == "0") || ((powersetpoint > 0) && (powersetpoint <= 5)))
{
if (!cooldown_phase_1)
{
switch (powersetpoint)
{
case 0: amgpowercmd = sF("RF000058&"); break;
case 1: amgpowercmd = sF("RF001059&"); break;
case 2: amgpowercmd = sF("RF00205A&"); break;
case 3: amgpowercmd = sF("RF00305B&"); break;
case 4: amgpowercmd = sF("RF00405C&"); break;
case 5: amgpowercmd = sF("RF00505D&"); break;
}
putdatamap(cF("power/setpoint"), String(payloadstring));
}
else
{
putdatamap(cF("power/setpoint"), "0");
}
}
}
if (topicstring.substring(topicstring.length() - 15) == sF("/settemperature"))
{
if ((payloadstring.toInt() >= 16) && (payloadstring.toInt() <= 25)) // No wider range supported for now..
{
char str[9];
sprintf(str, "%02X", (uint16_t)payloadstring.toInt());
String temp = str;
sprintf(str, "%02X", (uint16_t)(payloadstring.toInt() + 75));
String checksum = str;
amgtempcmd = "RF2" + temp + "0" + checksum + "&";
putdatamap(cF("room/temperature/setpoint"), String(payloadstring.toInt()));
}
}
}
void _amgpelletstove_sendserial()
{
static bool old_cooldown_phase_1 = 0;
amgcmdnr++;
if (cooldown_phase_1)
{
amgpowercmd = ""; // Prevent remote power setting during cooldown phase 1
if (old_cooldown_phase_1 != cooldown_phase_1) amgcmdnr = 252; // Prevent restarting of stove due race condition
}
else if (amgpowercmd != "") amgcmdnr = 253;
else if (amgtempcmd != "") amgcmdnr = 254;
old_cooldown_phase_1 = cooldown_phase_1;
digitalWrite(NODEMCULEDPIN, 0);
Serial.write (27);
static String sendcmd; // needs to be static otherwise debug call fails..
sendcmd = "";
switch (amgcmdnr)
{
case 1:
sendcmd = sF("RD100057&"); // Request room temperature
break;
case 2:
sendcmd = sF("RC60005B&"); // Request room temperature setpoint
break;
case 3:
sendcmd = sF("RC50005A&"); // Request power setpoint
break;
case 4:
sendcmd = sF("RD000056&"); // Request exhaust temperature
break;
case 5:
sendcmd = sF("RD200058&"); // Request exhaust fanspeed
break;
case 6:
sendcmd = sF("RD300059&"); // Request room fanspeed
break;
case 7:
sendcmd = sF("RD40005A&"); // Request auger speed
break;
case 8:
sendcmd = sF("RDF0006C&"); // Request board temp
break;
case 9:
sendcmd = sF("RDD0006A&"); // ??? 0000020 Fluegas motor correction (rpm*10)
break;
case 10:
sendcmd = sF("RDE0006B&"); // ??? 0000020 Pellet correction (%)
break;
case 11:
sendcmd = sF("RDA00067&"); // 000020 // error code
break;
case 12:
sendcmd = sF("REF0006D&"); // 00D20036 // FANSPEED EXHAUST
break;
case 13:
sendcmd = sF("RD80005E&"); // TIMER TO NEXT PHASE
break;
case 14:
sendcmd = sF("RC000055&"); // 00000020 // Inputs
break;
case 15:
sendcmd = sF("RDB00068&"); // Extractor sensorlevel
break;
case 252:
sendcmd = sF("RF000058&"); // Set power to 0 to prevent unwanted restarting of stove
break;
case 253:
if (Debug.isActive(Debug.VERBOSE)) Debug.printf(cF("Writing to amg pelletstove:%s\n"),amgpowercmd.c_str());
sendcmd = amgpowercmd;
amgpowercmd = "";
amgcmdnr = 255;
break;
case 254:
if (Debug.isActive(Debug.VERBOSE)) Debug.printf(cF("Writing to amg pelletstove:%s\n"), amgtempcmd.c_str());
sendcmd = amgtempcmd;
amgtempcmd = "";
amgcmdnr = 255;
break;
default:
amgcmdnr = 0;
sendcmd = sF("RD90005F&"); // 02010023 // cycle phase
break;
}
Serial.print(sendcmd);
if (Debug.isActive(Debug.VERBOSE)) Debug.printf(cF("Writing to amg pelletstove:%s\n"),sendcmd.c_str());
}
void amgpelletstove_handle()
{
static unsigned long nextupdatetime = millis() + 1000; // Wait 1 second after startup before sending first cmd...
static String serstr = "";
static int8_t currentpower = -1;
static bool commok = 1;
while (Serial.available() > 0)
{
int serval = Serial.read();
if (serval != 27) serstr += String(char(serval));
else serstr += "!"; // convert escape character to !
if (serval == '&')
{
digitalWrite(NODEMCULEDPIN, 1);
DEBUG_V("Received from amg pelletstove:%s\n",serstr.c_str());
long value = strtol(serstr.substring(2, 5).c_str(), NULL, 16);
serstr = "";
switch (amgcmdnr)
{
case 0:
cooldown_phase_1 = false;
switch (value)
{
case 0:
currentpower = 0;
putdatamap(cF("phase"), "off");
break;
case 257:
putdatamap(cF("phase"), "heating ignitor");
break;
case 258:
putdatamap(cF("phase"), "load wood phase 1");
break;
case 259:
putdatamap(cF("phase"), "load wood phase 2");
break;
case 260:
putdatamap(cF("phase"), "fire on");
break;
case 513:
putdatamap(cF("phase"), "heating");
break;
case 1025:
putdatamap(cF("phase"), "burn pot cleaning");
break;
case 2049:
currentpower = 0;
putdatamap(cF("phase"), "cooling down phase 1");
cooldown_phase_1 = true;
break;
case 2050:
currentpower = 0;
putdatamap(cF("phase"), "cooling down phase 2");
break;
default:
putdatamap(cF("phase"), "unknown ("+String(amgcmdnr)+")");
break;
}
putdatamap(cF("phase/value"), String(value));
if (currentpower >= 0) putdatamap(cF("power/value"), String(currentpower));
break;
case 1:
putdatamap(cF("room/temperature/measured"), String(float(value) / 10, 1));
break;
case 2:
putdatamap(cF("room/temperature/setpoint"), String(value));
break;
case 3:
putdatamap(cF("controlpanel/power/setpoint"), String(value));
break;
case 4:
putdatamap(cF("exhaust/temperature"), String(value));
break;
case 5:
putdatamap(cF("exhaust/fanspeed"), String(value));
break;
case 6:
putdatamap(cF("room/fanspeed"), String(value));
currentpower = value;
break;
case 7:
putdatamap(cF("auger/speed"), String(value));
if ((value > 0) && (currentpower > value)) currentpower = value;
break;
case 8:
putdatamap(cF("board/temperature"), String(value));
break;
case 9:
putdatamap(cF("exhaust/fanspeed/correction"), String(value * 10));
break;
case 10:
putdatamap(cF("auger/correction"), String(value));
break;
case 11:
putdatamap(cF("board/errorcode"), String(value));
break;
case 12:
putdatamap(cF("exhaust/fanspeed/measured"), String(value * 10));
break;
case 13:
putdatamap(cF("phase/timer"), String(value));
break;
case 14:
putdatamap(cF("board/inputs"), String(value));
break;
case 15:
putdatamap(cF("extractorsensorlevel"), String(value));
putdatamap(cF("status"), "ready");
break;
}
serstr = "";
nextupdatetime = millis() + 500; // After successfull transfer wait 500ms before requesting next value
commok = 1;
}
}
if (millis() > nextupdatetime)
{
if (!commok) putdatamap(cF("status"), sF("commerror"));
commok = 0;
nextupdatetime = millis() + 5000; // On first or failed transefer wait 5 second before next (re)try
_amgpelletstove_sendserial();
}
}