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better string handling

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This commit is contained in:
proddy
2018-06-13 21:41:12 +02:00
parent 0edb2cf952
commit f9dfca7441
1 changed files with 162 additions and 67 deletions
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219
src/boiler.ino
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@@ -24,18 +24,25 @@
// private function prototypes
void heartbeat();
void systemCheck();
void regulatUpdates();
void publishValues();
void _showerColdShotStart();
void _showerColdShotStop();
char * _float_to_char(char * a, float f, uint8_t precision = 1);
// timers
#define PUBLISHVALUES_TIME 300 // every 5 mins post HA values
#define SYSTEMCHECK_TIME 10 // every 10 seconds check if Boiler is online and execute other requests
#define REGULARUPDATES_TIME 60 // every minute a call is made
#define HEARTBEAT_TIME 1 // every second blink heartbeat LED
Ticker publishValuesTimer;
Ticker systemCheckTimer;
Ticker regularUpdatesTimer;
Ticker heartbeatTimer;
Ticker showerResetTimer;
#define publishValuesTime 300 // every 5 mins post HA values
#define systemCheckTime 30 // every 30 seconds check if Boiler is online and execute other requests
#define heartbeatTime 1 // every second blink heartbeat LED
uint8_t regularUpdatesCount = 0;
#define MAX_MANUAL_CALLS 2 // number of ems reads we do during the fetch cycle (in regularUpdates)
// Project commands for telnet
// Note: ?, *, $, ! and & are reserved
@@ -80,7 +87,7 @@ Ticker showerResetTimer;
#define BOILER_THERMOSTAT_ENABLED 1
#define BOILER_SHOWER_ENABLED 1
#define BOILER_SHOWER_TIMER 0
#define BOILER_HEARBEAT EMS_SYS_LOGGING_VERBOSE
#define BOILER_DEFAULT_LOGGING EMS_SYS_LOGGING_BASIC // or EMS_SYS_LOGGING_VERBOSE
// shower settings
const unsigned long SHOWER_PAUSE_TIME = 15000; // 15 seconds, max time if water is switched off & on during a shower
@@ -88,7 +95,6 @@ const unsigned long SHOWER_MIN_DURATION = 120000; // 2 minutes, before recogniz
const unsigned long SHOWER_MAX_DURATION = 420000; // 7 minutes, before trigger a shot of cold water
const unsigned long SHOWER_OFF_DURATION = 3000; // 3 seconds long for cold water
const uint8_t SHOWER_BURNPOWER_MIN = 80;
typedef struct {
bool wifi_connected;
bool boiler_online;
@@ -133,15 +139,88 @@ bool startMQTTsent = false;
// toggle for heartbeat LED
bool heartbeatEnabled;
// convert float to char
char * _float_to_char(char * a, float f, uint8_t precision) {
long p[] = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000};
char * ret = a;
// check for 0x8000 (sensor missing), which has a -1 value
if (f == EMS_VALUE_FLOAT_NOTSET) {
strcpy(ret, "?");
} else {
long whole = (long)f;
itoa(whole, a, 10);
while (*a != '\0')
a++;
*a++ = '.';
long decimal = abs((long)((f - whole) * p[precision]));
itoa(decimal, a, 10);
}
return ret;
}
// convert bool to text
char * _bool_to_char(char * s, uint8_t value) {
if (value == EMS_VALUE_INT_ON) {
strcpy(s, "on");
} else if (value == EMS_VALUE_INT_OFF) {
strcpy(s, "off");
} else {
strcpy(s, "?");
}
return s;
}
// convert int to text value
char * _int_to_char(char * s, uint8_t value) {
if (value == EMS_VALUE_INT_NOTSET) {
strcpy(s, "?");
} else {
itoa(value, s, 10);
}
return s;
}
// takes a float value at prints it to debug log
void _renderFloatValue(const char * prefix, const char * postfix, float value) {
myDebug(" %s: ", prefix);
char s[20];
myDebug("%s", _float_to_char(s, value));
if (postfix != NULL) {
myDebug(" %s", postfix);
}
myDebug("\n");
}
// takes an int value at prints it to debug log
void _renderIntValue(const char * prefix, const char * postfix, uint8_t value) {
myDebug(" %s: ", prefix);
char s[20];
myDebug("%s", _int_to_char(s, value));
if (postfix != NULL) {
myDebug(" %s", postfix);
}
myDebug("\n");
}
// takes a bool value at prints it to debug log
void _renderBoolValue(const char * prefix, uint8_t value) {
myDebug(" %s: ", prefix);
char s[20];
myDebug("%s\n", _bool_to_char(s, value));
}
// Show command - display stats on an 's' command
void showInfo() {
char s[10]; // for formatting floats using the _float_to_char() function
// General stats from EMS bus
myDebug("EMS-ESP-Boiler Info:\n");
myDebug("%sEMS-ESP-Boiler general info:%s\n", COLOR_BOLD_ON, COLOR_BOLD_OFF);
myDebug(" System Logging is set to ");
_EMS_SYS_LOGGING sysLog = ems_getLogging();
myDebug(COLOR_BOLD_ON);
if (sysLog == EMS_SYS_LOGGING_BASIC) {
myDebug("Basic");
} else if (sysLog == EMS_SYS_LOGGING_VERBOSE) {
@@ -149,7 +228,6 @@ void showInfo() {
} else {
myDebug("None");
}
myDebug(COLOR_BOLD_OFF);
myDebug("\n Thermostat is %s, Poll is %s, Shower is %s, Shower timer is %s\n",
((Boiler_Status.thermostat_enabled) ? "enabled" : "disabled"),
@@ -201,41 +279,42 @@ void showInfo() {
break;
}
myDebug("\nBoiler Stats:\n");
myDebug("\n\n%sBoiler stats:%s\n", COLOR_BOLD_ON, COLOR_BOLD_OFF);
// UBAMonitorWWMessage & UBAParameterWW
myDebug(" Warm Water activated: %s\n", (EMS_Boiler.wWActivated ? "yes" : "no"));
myDebug(" Warm Water selected temperature: %d C\n", EMS_Boiler.wWSelTemp);
myDebug(" Warm Water circulation pump available: %s\n", (EMS_Boiler.wWCircPump ? "yes" : "no"));
myDebug(" Warm Water desired temperature: %d C\n", EMS_Boiler.wWDesiredTemp);
myDebug(" Warm Water current temperature: %s C\n", _float_to_char(s, EMS_Boiler.wWCurTmp));
myDebug(" Warm Water # starts: %d times\n", EMS_Boiler.wWStarts);
// UBAParameterWW
_renderBoolValue("Warm Water activated", EMS_Boiler.wWActivated);
_renderBoolValue("Warm Water circulation pump available", EMS_Boiler.wWCircPump);
_renderIntValue("Warm Water selected temperature", "C", EMS_Boiler.wWSelTemp);
_renderIntValue("Warm Water desired temperature", "C", EMS_Boiler.wWDesiredTemp);
// UBAMonitorWWMessage
_renderFloatValue("Warm Water current temperature", "C", EMS_Boiler.wWCurTmp);
_renderIntValue("Warm Water # starts", "times", EMS_Boiler.wWStarts);
myDebug(" Warm Water active time: %d days %d hours %d minutes\n",
EMS_Boiler.wWWorkM / 1440,
(EMS_Boiler.wWWorkM % 1440) / 60,
EMS_Boiler.wWWorkM % 60);
myDebug(" Warm Water 3-way valve: %s\n", EMS_Boiler.wWHeat ? "on" : "off");
_renderBoolValue("Warm Water 3-way valve", EMS_Boiler.wWHeat);
// UBAMonitorFast
myDebug(" Selected flow temperature: %d C\n", EMS_Boiler.selFlowTemp);
myDebug(" Current flow temperature: %s C\n", _float_to_char(s, EMS_Boiler.curFlowTemp));
myDebug(" Return temperature: %s C\n", _float_to_char(s, EMS_Boiler.retTemp));
myDebug(" Gas: %s\n", EMS_Boiler.burnGas ? "on" : "off");
myDebug(" Boiler pump: %s\n", EMS_Boiler.heatPmp ? "on" : "off");
myDebug(" Fan: %s\n", EMS_Boiler.fanWork ? "on" : "off");
myDebug(" Ignition: %s\n", EMS_Boiler.ignWork ? "on" : "off");
myDebug(" Circulation pump: %s\n", EMS_Boiler.wWCirc ? "on" : "off");
myDebug(" Burner max power: %d %%\n", EMS_Boiler.selBurnPow);
myDebug(" Burner current power: %d %%\n", EMS_Boiler.curBurnPow);
myDebug(" Flame current: %s uA\n", _float_to_char(s, EMS_Boiler.flameCurr));
myDebug(" System pressure: %s bar\n", _float_to_char(s, EMS_Boiler.sysPress));
_renderIntValue("Selected flow temperature", "C", EMS_Boiler.selFlowTemp);
_renderFloatValue("Current flow temperature", "C", EMS_Boiler.curFlowTemp);
_renderFloatValue("Return temperature", "C", EMS_Boiler.retTemp);
_renderBoolValue("Gas", EMS_Boiler.burnGas);
_renderBoolValue("Boiler pump", EMS_Boiler.heatPmp);
_renderBoolValue("Fan", EMS_Boiler.fanWork);
_renderBoolValue("Ignition", EMS_Boiler.ignWork);
_renderBoolValue("Circulation pump", EMS_Boiler.wWCirc);
_renderIntValue("Burner max power", "%", EMS_Boiler.selBurnPow);
_renderIntValue("Burner current power", "%", EMS_Boiler.curBurnPow);
_renderFloatValue("Flame current", "uA", EMS_Boiler.flameCurr);
_renderFloatValue("System pressure", "bar", EMS_Boiler.sysPress);
// UBAMonitorSlow
myDebug(" Outside temperature: %s C\n", _float_to_char(s, EMS_Boiler.extTemp));
myDebug(" Boiler temperature: %s C\n", _float_to_char(s, EMS_Boiler.boilTemp));
myDebug(" Pump modulation: %d %%\n", EMS_Boiler.pumpMod);
myDebug(" # burner restarts: %d\n", EMS_Boiler.burnStarts);
_renderFloatValue("Outside temperature", "C", EMS_Boiler.extTemp);
_renderFloatValue("Boiler temperature", "C", EMS_Boiler.boilTemp);
_renderIntValue("Pump modulation", "%", EMS_Boiler.pumpMod);
_renderIntValue("Burner # restarts", "times", EMS_Boiler.burnStarts);
myDebug(" Total burner operating time: %d days %d hours %d minutes\n",
EMS_Boiler.burnWorkMin / 1440,
(EMS_Boiler.burnWorkMin % 1440) / 60,
@@ -247,7 +326,8 @@ void showInfo() {
// Thermostat stats
if (Boiler_Status.thermostat_enabled) {
myDebug("Thermostat stats:\n Thermostat time is %02d:%02d:%02d %d/%d/%d\n",
myDebug("\n%sThermostat stats:%s\n", COLOR_BOLD_ON, COLOR_BOLD_OFF);
myDebug(" Thermostat time is %02d:%02d:%02d %d/%d/%d\n",
EMS_Thermostat.hour,
EMS_Thermostat.minute,
EMS_Thermostat.second,
@@ -255,8 +335,8 @@ void showInfo() {
EMS_Thermostat.month,
EMS_Thermostat.year + 2000);
myDebug(" Setpoint room temperature is %s C\n", _float_to_char(s, EMS_Thermostat.setpoint_roomTemp));
myDebug(" Current room temperature is %s C\n", _float_to_char(s, EMS_Thermostat.curr_roomTemp));
_renderFloatValue("Setpoint room temperature", "C", EMS_Thermostat.setpoint_roomTemp);
_renderFloatValue("Current room temperature", "C", EMS_Thermostat.curr_roomTemp);
myDebug(" Mode is set to ");
if (EMS_Thermostat.mode == 0) {
myDebug("low\n");
@@ -265,13 +345,14 @@ void showInfo() {
} else if (EMS_Thermostat.mode == 2) {
myDebug("clock/auto\n");
} else {
myDebug("<unknown>\n");
myDebug("?\n");
}
}
// show the Shower Info
if (Boiler_Status.shower_enabled) {
myDebug("Shower stats:\n Shower is %s\n", (Boiler_Shower.showerOn ? "on" : "off"));
myDebug("\n%sShower stats:%s\n", COLOR_BOLD_ON, COLOR_BOLD_OFF);
myDebug(" Shower is %s\n", (Boiler_Shower.showerOn ? "on" : "off"));
char s[70];
uint8_t sec = (uint8_t)((Boiler_Shower.duration / 1000) % 60);
uint8_t min = (uint8_t)((Boiler_Shower.duration / (1000 * 60)) % 60);
@@ -293,19 +374,19 @@ void publishValues() {
char data[512];
JsonObject & root = jsonBuffer.createObject();
root["wWCurTmp"] = _float_to_char(s, EMS_Boiler.wWCurTmp);
root["wWHeat"] = EMS_Boiler.wWHeat ? "on" : "off";
root["wWHeat"] = _bool_to_char(s, EMS_Boiler.wWHeat);
root["curFlowTemp"] = _float_to_char(s, EMS_Boiler.curFlowTemp);
root["retTemp"] = _float_to_char(s, EMS_Boiler.retTemp);
root["burnGas"] = EMS_Boiler.burnGas ? "on" : "off";
root["heatPmp"] = EMS_Boiler.heatPmp ? "on" : "off";
root["fanWork"] = EMS_Boiler.fanWork ? "on" : "off";
root["ignWork"] = EMS_Boiler.ignWork ? "on" : "off";
root["wWCirc"] = EMS_Boiler.wWCirc ? "on" : "off";
root["selBurnPow"] = (String)EMS_Boiler.selBurnPow;
root["curBurnPow"] = (String)EMS_Boiler.curBurnPow;
root["burnGas"] = _bool_to_char(s, EMS_Boiler.burnGas);
root["heatPmp"] = _bool_to_char(s, EMS_Boiler.heatPmp);
root["fanWork"] = _bool_to_char(s, EMS_Boiler.fanWork);
root["ignWork"] = _bool_to_char(s, EMS_Boiler.ignWork);
root["wWCirc"] = _bool_to_char(s, EMS_Boiler.wWCirc);
root["selBurnPow"] = _int_to_char(s, EMS_Boiler.selBurnPow);
root["curBurnPow"] = _int_to_char(s, EMS_Boiler.curBurnPow);
root["sysPress"] = _float_to_char(s, EMS_Boiler.sysPress);
root["boilTemp"] = _float_to_char(s, EMS_Boiler.boilTemp);
root["pumpMod"] = (String)EMS_Boiler.pumpMod;
root["pumpMod"] = _float_to_char(s, EMS_Boiler.pumpMod);
root.printTo(data, root.measureLength() + 1);
myESP.publish(TOPIC_BOILER_DATA, data);
@@ -416,7 +497,7 @@ void WIFIcallback() {
digitalWrite(LED_HEARTBEAT, HIGH);
#endif
// when finally we're all set up, we can fire up the uart (this will enable the interrupts)
// when finally we're all set up, we can fire up the uart (this will enable the UART interrupts)
emsuart_init();
}
@@ -451,7 +532,7 @@ void _initBoiler() {
Boiler_Shower.isColdShot = false;
// heartbeat only if verbose logging
ems_setLogging(BOILER_HEARBEAT);
ems_setLogging(BOILER_DEFAULT_LOGGING);
updateHeartbeat();
}
@@ -470,20 +551,23 @@ void setup() {
digitalWrite(LED_TX, HIGH);
digitalWrite(LED_ERR, HIGH);
digitalWrite(LED_HEARTBEAT, LOW); // onboard LED is on
heartbeatTimer.attach(heartbeatTime, heartbeat); // blink heartbeat LED
heartbeatTimer.attach(HEARTBEAT_TIME, heartbeat); // blink heartbeat LED
#endif
// Timers
publishValuesTimer.attach(publishValuesTime, publishValues); // post HA values
systemCheckTimer.attach(systemCheckTime, systemCheck); // check if Boiler is online
// Timers using Ticker library
publishValuesTimer.attach(PUBLISHVALUES_TIME, publishValues); // post HA values
systemCheckTimer.attach(SYSTEMCHECK_TIME, systemCheck); // check if Boiler is online
regularUpdatesTimer.attach((REGULARUPDATES_TIME / MAX_MANUAL_CALLS), regularUpdates); // regular reads from the EMS
// set up Wifi, MQTT, Telnet
// set up WiFi
myESP.setWifiCallback(WIFIcallback);
// set up MQTT
myESP.setMQTTCallback(MQTTcallback);
myESP.addSubscription(TOPIC_START);
myESP.addSubscription(TOPIC_THERMOSTAT_TEMP);
// set up Telnet
myESP.consoleSetHelpProjectsCmds(PROJECT_CMDS);
myESP.consoleSetCallBackProjectCmds(myDebugCallback);
myESP.begin(HOSTNAME);
@@ -525,16 +609,24 @@ void heartbeat() {
}
// do a healthcheck every now and then to see if we connections
// also this is place to send requests to the EMS
void systemCheck() {
// first do a system check to see if there is still a connection to the EMS
Boiler_Status.boiler_online = ((timestamp - EMS_Sys_Status.emsLastPoll) < POLL_TIMEOUT_ERR);
if (!Boiler_Status.boiler_online) {
myDebug("Error! Boiler unreachable. Please check connection. Retrying in 10 seconds.\n");
}
}
// send any custom requests here
if (Boiler_Status.thermostat_enabled) {
ems_doReadCommand(EMS_TYPE_RC20Temperature); // get the thermostat mode
// calls to get data from EMS for the types that aren't sent as broadcasts
// number of calls is defined in MAX_MANUAL_CALLS
void regularUpdates() {
uint8_t cycle = (regularUpdatesCount++ % MAX_MANUAL_CALLS);
myDebug("cycle: %d\n", cycle);
if ((cycle == 0) && Boiler_Status.thermostat_enabled) {
ems_doReadCommand(EMS_TYPE_RC20Temperature); // to get the thermostat mode which is not broadcasted
} else if (cycle == 1) {
ems_doReadCommand(EMS_TYPE_UBAParameterWW); // get Warm Water values
}
}
@@ -562,7 +654,7 @@ void loop() {
connectionStatus = myESP.loop();
timestamp = millis();
// update the Rx Tx and ERR LEDs
// update the Rx Tx and ERR LEDs
#ifdef USE_LED
showLEDs();
#endif
@@ -578,6 +670,9 @@ void loop() {
if ((!startMQTTsent) && (connectionStatus == FULL_CONNECTION)) {
myESP.sendStart();
startMQTTsent = true;
// now that we're connected lets get some data from the EMS
ems_doReadCommand(EMS_TYPE_UBAParameterWW);
}
// if we received new data and flagged for pushing, do it