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restAPI.ino
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restAPI.ino
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/*
***************************************************************************
** Program : restAPI
** Version : v0.10.4-alpha
**
** Copyright (c) 2021-2024 Robert van den Breemen
** based on Framework ESP8266 from Willem Aandewiel
**
** TERMS OF USE: MIT License. See bottom of file.
***************************************************************************
*/
#define RESTDebugTln(...) ({ if (bDebugRestAPI) DebugTln(__VA_ARGS__); })
#define RESTDebugln(...) ({ if (bDebugRestAPI) Debugln(__VA_ARGS__); })
#define RESTDebugTf(...) ({ if (bDebugRestAPI) DebugTf(__VA_ARGS__); })
#define RESTDebugf(...) ({ if (bDebugRestAPI) Debugf(__VA_ARGS__); })
#define RESTDebugT(...) ({ if (bDebugRestAPI) DebugT(__VA_ARGS__); })
#define RESTDebug(...) ({ if (bDebugRestAPI) Debug(__VA_ARGS__); })
//=======================================================================
void processAPI()
{
char URI[50] = "";
String words[10];
strlcpy( URI, httpServer.uri().c_str(), sizeof(URI) );
RESTDebugTf(PSTR("from[%s] URI[%s] method[%s] \r\n"), httpServer.client().remoteIP().toString().c_str(), URI, strHTTPmethod(httpServer.method()).c_str());
if (ESP.getFreeHeap() < 8500) // to prevent firmware from crashing!
{
RESTDebugTf(PSTR("==> Bailout due to low heap (%d bytes))\r\n"), ESP.getFreeHeap() );
httpServer.send(500, "text/plain", "500: internal server error (low heap)\r\n");
return;
}
uint8_t wc = splitString(URI, '/', words, 10);
if (bDebugRestAPI)
{
DebugT(">>");
for (uint_fast8_t w=0; w<wc; w++)
{
Debugf("word[%d] => [%s], ", w, words[w].c_str());
}
Debugln(" ");
}
if (words[1] == "api"){
if (words[2] == "v1")
{ //v1 API calls
if (words[3] == "otgw"){
if (words[4] == "telegraf") {
// GET /api/v1/otgw/telegraf
// Response: see json response
sendTelegraf();
} else if (words[4] == "otmonitor") {
// GET /api/v1/otgw/otmonitor
// Response: see json response
sendOTmonitor();
} else if (words[4] == "autoconfigure") {
// POST /api/v1/otgw/autoconfigure
// Response: sends all autodiscovery topics to MQTT for HA integration
httpServer.send(200, "text/plain", "OK");
doAutoConfigure();
} else if (words[4] == "id"){
//what the heck should I do?
// /api/v1/otgw/id/{msgid} msgid = OpenTherm Message Id (0-127)
// Response: label, value, unit
// {
// "label": "Tr",
// "value": "0.00",
// "unit": "°C"
// }
sendOTGWvalue(words[5].toInt());
} else if (words[4] == "label"){
//what the heck should I do?
// /api/v1/otgw/label/{msglabel} = OpenTherm Label (matching string)
// Response: label, value, unit
// {
// "label": "Tr",
// "value": "0.00",
// "unit": "°C"
// }
sendOTGWlabel(CSTR(words[5]));
} else if (words[4] == "command"){
if (httpServer.method() == HTTP_PUT || httpServer.method() == HTTP_POST)
{
/* how to post a command to OTGW
** POST or PUT = /api/v1/otgw/command/{command} = Any command you want
** Response: 200 OK
*/
//Add a command to OTGW queue
addOTWGcmdtoqueue(CSTR(words[5]), words[5].length());
httpServer.send(200, "text/plain", "OK");
} else sendApiNotFound(URI);
} else sendApiNotFound(URI);
}
else sendApiNotFound(URI);
}
else if (words[2] == "v0")
{ //v0 API calls
if (words[3] == "otgw"){
//what the heck should I do?
// /api/v0/otgw/{msgid} msgid = OpenTherm Message Id
// Response: label, value, unit
// {
// "label": "Tr",
// "value": "0.00",
// "unit": "°C"
// }
sendOTGWvalue(words[4].toInt());
}
else if (words[3] == "devinfo")
{
sendDeviceInfo();
}
else if (words[3] == "devtime")
{
sendDeviceTime();
}
else if (words[3] == "settings")
{
if (httpServer.method() == HTTP_PUT || httpServer.method() == HTTP_POST)
{
postSettings();
}
else
{
sendDeviceSettings();
}
} else sendApiNotFound(URI);
} else sendApiNotFound(URI);
} else sendApiNotFound(URI);
} // processAPI()
//====[ implementing REST API ]====
void sendOTGWvalue(int msgid){
StaticJsonDocument<256> doc;
JsonObject root = doc.to<JsonObject>();
PROGMEM_readAnything (&OTmap[msgid], OTlookupitem);
if (OTlookupitem.type==ot_undef) { //message is undefined, return error
root["error"] = "message undefined: reserved for future use";
} else if (msgid>= 0 && msgid<= OT_MSGID_MAX)
{ //message id's need to be between 0 and 127
//Debug print the values first
RESTDebugTf(PSTR("%s = %s %s\r\n"), OTlookupitem.label, getOTGWValue(msgid).c_str(), OTlookupitem.unit);
//build the json
root["label"] = OTlookupitem.label;
if (OTlookupitem.type == ot_f88) {
root["value"] = getOTGWValue(msgid).toFloat();
} else {// all other message types convert to integer
root["value"] = getOTGWValue(msgid).toInt();
}
root["unit"] = OTlookupitem.unit;
} else {
root["error"] = "message id: reserved for future use";
}
String sBuff;
serializeJsonPretty(root, sBuff);
//RESTDebugTf(PSTR("Json = %s\r\n"), sBuff.c_str());
//reply with json
httpServer.sendHeader("Access-Control-Allow-Origin", "*");
httpServer.setContentLength(CONTENT_LENGTH_UNKNOWN);
httpServer.send(200, "application/json", sBuff);
}
void sendOTGWlabel(const char *msglabel){
StaticJsonDocument<256> doc;
JsonObject root = doc.to<JsonObject>();
uint_fast8_t msgid;
for (msgid = 0; msgid<= OT_MSGID_MAX; msgid++){
PROGMEM_readAnything (&OTmap[msgid], OTlookupitem);
if (strcasecmp(OTlookupitem.label, msglabel)==0) break;
}
if (msgid > OT_MSGID_MAX){
root["error"] = "message id: reserved for future use";
} else if (OTlookupitem.type==ot_undef) { //message is undefined, return error
root["error"] = "message undefined: reserved for future use";
} else
{ //message id's need to be between 0 and OT_MSGID_MAX
//RESTDebug print the values first
RESTDebugTf(PSTR("%s = %s %s\r\n"), OTlookupitem.label, getOTGWValue(msgid).c_str(), OTlookupitem.unit);
//build the json
root["label"] = OTlookupitem.label;
if (OTlookupitem.type == ot_f88) {
root["value"] = getOTGWValue(msgid).toFloat();
} else {// all other message types convert to integer
root["value"] = getOTGWValue(msgid).toInt();
}
root["unit"] = OTlookupitem.unit;
}
String sBuff;
serializeJsonPretty(root, sBuff);
//RESTDebugTf(PSTR("Json = %s\r\n"), sBuff.c_str());
//reply with json
httpServer.sendHeader("Access-Control-Allow-Origin", "*");
httpServer.setContentLength(CONTENT_LENGTH_UNKNOWN);
httpServer.send(200, "application/json", sBuff);
}
void sendTelegraf()
{
RESTDebugTln(F("sending OT monitor values to Telegraf...\r"));
sendStartJsonArray();
sendJsonOTmonObj("flamestatus", isFlameStatus(), "", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("chmodus", isCentralHeatingActive(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("chenable", isCentralHeatingEnabled(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("ch2modus", isCentralHeating2Active(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("ch2enable", isCentralHeating2enabled(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("dhwmode", isDomesticHotWaterActive(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("dhwenable", isDomesticHotWaterEnabled(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("diagnosticindicator", isDiagnosticIndicator(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("faultindicator", isFaultIndicator(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("coolingmodus", isCoolingEnabled(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("coolingactive", isCoolingActive(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("otcactive", isOutsideTemperatureCompensationActive(),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("servicerequest", isServiceRequest(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("lockoutreset", isLockoutReset(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("lowwaterpressure", isLowWaterPressure(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("gasflamefault", isGasFlameFault(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("airtemp", isAirTemperature(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("waterovertemperature", isWaterOverTemperature(),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("outsidetemperature", OTcurrentSystemState.Toutside, "°C", msglastupdated[OT_Toutside]);
sendJsonOTmonObj("roomtemperature", OTcurrentSystemState.Tr, "°C", msglastupdated[OT_Tr]);
sendJsonOTmonObj("roomsetpoint", OTcurrentSystemState.TrSet, "°C", msglastupdated[OT_TrSet]);
sendJsonOTmonObj("remoteroomsetpoint", OTcurrentSystemState.TrOverride, "°C", msglastupdated[OT_TrOverride]);
sendJsonOTmonObj("controlsetpoint", OTcurrentSystemState.TSet,"°C", msglastupdated[OT_TSet]);
sendJsonOTmonObj("relmodlvl", OTcurrentSystemState.RelModLevel,"%", msglastupdated[OT_RelModLevel]);
sendJsonOTmonObj("maxrelmodlvl", OTcurrentSystemState.MaxRelModLevelSetting, "%", msglastupdated[OT_MaxRelModLevelSetting]);
sendJsonOTmonObj("boilertemperature", OTcurrentSystemState.Tboiler, "°C", msglastupdated[OT_Tboiler]);
sendJsonOTmonObj("returnwatertemperature", OTcurrentSystemState.Tret,"°C", msglastupdated[OT_Tret]);
sendJsonOTmonObj("dhwtemperature", OTcurrentSystemState.Tdhw,"°C", msglastupdated[OT_Tdhw]);
sendJsonOTmonObj("dhwsetpoint", OTcurrentSystemState.TdhwSet,"°C", msglastupdated[OT_TdhwSet]);
sendJsonOTmonObj("maxchwatersetpoint", OTcurrentSystemState.MaxTSet,"°C", msglastupdated[OT_MaxTSet]);
sendJsonOTmonObj("chwaterpressure", OTcurrentSystemState.CHPressure, "bar", msglastupdated[OT_CHPressure]);
sendJsonOTmonObj("oemfaultcode", OTcurrentSystemState.OEMDiagnosticCode, "", msglastupdated[OT_OEMDiagnosticCode]);
sendEndJsonArray();
} // sendTelegraf()
//=======================================================================
void sendOTmonitor()
{
time_t now = time(nullptr); // needed for Dallas sensor display
RESTDebugTln(F("sending OT monitor values ...\r"));
sendStartJsonObj("otmonitor");
// sendJsonOTmonObj("status hb", byte_to_binary((OTcurrentSystemState.Statusflags>>8) & 0xFF),"", msglastupdated[OT_Statusflags]);
// sendJsonOTmonObj("status lb", byte_to_binary(OTcurrentSystemState.Statusflags & 0xFF),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("flamestatus", CONOFF(isFlameStatus()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("chmodus", CONOFF(isCentralHeatingActive()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("chenable", CONOFF(isCentralHeatingEnabled()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("ch2modus", CONOFF(isCentralHeating2Active()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("ch2enable", CONOFF(isCentralHeating2enabled()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("dhwmode", CONOFF(isDomesticHotWaterActive()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("dhwenable", CONOFF(isDomesticHotWaterEnabled()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("diagnosticindicator", CONOFF(isDiagnosticIndicator()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("faultindicator", CONOFF(isFaultIndicator()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("coolingmodus", CONOFF(isCoolingEnabled()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("coolingactive", CONOFF(isCoolingActive()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("otcactive", CONOFF(isOutsideTemperatureCompensationActive()),"", msglastupdated[OT_Statusflags]);
sendJsonOTmonObj("servicerequest", CONOFF(isServiceRequest()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("lockoutreset", CONOFF(isLockoutReset()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("lowwaterpressure", CONOFF(isLowWaterPressure()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("gasflamefault", CONOFF(isGasFlameFault()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("airtemp", CONOFF(isAirTemperature()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("waterovertemperature", CONOFF(isWaterOverTemperature()),"", msglastupdated[OT_ASFflags]);
sendJsonOTmonObj("outsidetemperature", OTcurrentSystemState.Toutside, "°C", msglastupdated[OT_Toutside]);
sendJsonOTmonObj("roomtemperature", OTcurrentSystemState.Tr, "°C", msglastupdated[OT_Tr]);
sendJsonOTmonObj("roomsetpoint", OTcurrentSystemState.TrSet, "°C", msglastupdated[OT_TrSet]);
sendJsonOTmonObj("remoteroomsetpoint", OTcurrentSystemState.TrOverride, "°C", msglastupdated[OT_TrOverride]);
sendJsonOTmonObj("controlsetpoint", OTcurrentSystemState.TSet,"°C", msglastupdated[OT_TSet]);
sendJsonOTmonObj("relmodlvl", OTcurrentSystemState.RelModLevel,"%", msglastupdated[OT_RelModLevel]);
sendJsonOTmonObj("maxrelmodlvl", OTcurrentSystemState.MaxRelModLevelSetting, "%", msglastupdated[OT_MaxRelModLevelSetting]);
sendJsonOTmonObj("boilertemperature", OTcurrentSystemState.Tboiler, "°C", msglastupdated[OT_Tboiler]);
sendJsonOTmonObj("returnwatertemperature", OTcurrentSystemState.Tret,"°C", msglastupdated[OT_Tret]);
sendJsonOTmonObj("dhwtemperature", OTcurrentSystemState.Tdhw,"°C", msglastupdated[OT_Tdhw]);
sendJsonOTmonObj("dhwsetpoint", OTcurrentSystemState.TdhwSet,"°C", msglastupdated[OT_TdhwSet]);
sendJsonOTmonObj("maxchwatersetpoint", OTcurrentSystemState.MaxTSet,"°C", msglastupdated[OT_MaxTSet]);
sendJsonOTmonObj("chwaterpressure", OTcurrentSystemState.CHPressure, "bar", msglastupdated[OT_CHPressure]);
sendJsonOTmonObj("oemdiagnosticcode", OTcurrentSystemState.OEMDiagnosticCode, "", msglastupdated[OT_OEMDiagnosticCode]);
sendJsonOTmonObj("oemfaultcode", OTcurrentSystemState.ASFflags & 0xFF, "", msglastupdated[OT_ASFflags]);
if (settingS0COUNTERenabled)
{
sendJsonOTmonObj("s0powerkw", OTGWs0powerkw , "kW", OTGWs0lasttime);
sendJsonOTmonObj("s0intervalcount", OTGWs0pulseCount , "", OTGWs0lasttime);
sendJsonOTmonObj("s0totalcount", OTGWs0pulseCountTot , "", OTGWs0lasttime);
}
if (settingGPIOSENSORSenabled)
{
sendJsonOTmonObj("numberofsensors", DallasrealDeviceCount , "", now );
for (int i = 0; i < DallasrealDeviceCount; i++) {
const char * strDeviceAddress = getDallasAddress(DallasrealDevice[i].addr);
char buf[16];
snprintf(buf, sizeof(buf), "%.1f", DallasrealDevice[i].tempC);
sendJsonOTmonObj(strDeviceAddress, buf, "°C", DallasrealDevice[i].lasttime);
}
}
sendEndJsonObj("otmonitor");
} // sendOTmonitor()
//=======================================================================
void sendDeviceInfo()
{
sendStartJsonObj("devinfo");
sendNestedJsonObj("author", "Robert van den Breemen");
sendNestedJsonObj("fwversion", _SEMVER_FULL);
sendNestedJsonObj("picavailable", CBOOLEAN(bPICavailable));
sendNestedJsonObj("picfwversion", CSTR(sPICfwversion));
sendNestedJsonObj("picdeviceid", CSTR(sPICdeviceid));
sendNestedJsonObj("picfwtype", CSTR(sPICtype));
snprintf(cMsg, sizeof(cMsg), "%s %s", __DATE__, __TIME__);
sendNestedJsonObj("compiled", cMsg);
sendNestedJsonObj("hostname", CSTR(settingHostname));
sendNestedJsonObj("ipaddress", CSTR(WiFi.localIP().toString()));
sendNestedJsonObj("macaddress", CSTR(WiFi.macAddress()));
sendNestedJsonObj("freeheap", ESP.getFreeHeap());
sendNestedJsonObj("maxfreeblock", ESP.getMaxFreeBlockSize());
sendNestedJsonObj("chipid", CSTR(String( ESP.getChipId(), HEX )));
sendNestedJsonObj("coreversion", CSTR(ESP.getCoreVersion()) );
sendNestedJsonObj("sdkversion", ESP.getSdkVersion());
sendNestedJsonObj("cpufreq", ESP.getCpuFreqMHz());
sendNestedJsonObj("sketchsize", ESP.getSketchSize() );
sendNestedJsonObj("freesketchspace", ESP.getFreeSketchSpace() );
snprintf(cMsg, sizeof(cMsg), "%08X", ESP.getFlashChipId());
sendNestedJsonObj("flashchipid", cMsg); // flashChipId
sendNestedJsonObj("flashchipsize", (ESP.getFlashChipSize() / 1024.0f / 1024.0f));
sendNestedJsonObj("flashchiprealsize", (ESP.getFlashChipRealSize() / 1024.0f / 1024.0f));
LittleFS.info(LittleFSinfo);
sendNestedJsonObj("LittleFSsize", floorf((LittleFSinfo.totalBytes / (1024.0f * 1024.0f))));
sendNestedJsonObj("flashchipspeed", floorf((ESP.getFlashChipSpeed() / 1000.0f / 1000.0f)));
FlashMode_t ideMode = ESP.getFlashChipMode();
sendNestedJsonObj("flashchipmode", flashMode[ideMode]);
// sendNestedJsonObj("boardtype",
// #if defined(ARDUINO_ESP8266_NODEMCU)
// "ESP8266_NODEMCU"
// #elif defined(ARDUINO_ESP8266_GENERIC)
// "ESP8266_GENERIC"
// #elif defined(ESP8266_ESP01)
// "ESP8266_ESP01"
// #elif defined(ESP8266_ESP12)
// "ESP8266_ESP12"
// #elif defined(ARDUINO_ESP8266_WEMOS_D1MINI)
// "WEMOS_D1MINI"
// #else
// "Unknown board"
// #endif
// );
sendNestedJsonObj("ssid", CSTR(WiFi.SSID()));
sendNestedJsonObj("wifirssi", WiFi.RSSI());
sendNestedJsonObj("wifiquality", signal_quality_perc_quad(WiFi.RSSI()));
sendNestedJsonObj("wifiqualitytldr", dBmtoQuality(WiFi.RSSI()));
sendNestedJsonObj("ntpenable", String(CBOOLEAN(settingNTPenable)));
sendNestedJsonObj("ntptimezone", CSTR(settingNTPtimezone));
sendNestedJsonObj("uptime", upTime());
sendNestedJsonObj("lastreset", lastReset);
sendNestedJsonObj("bootcount", rebootCount);
sendNestedJsonObj("mqttconnected", String(CBOOLEAN(statusMQTTconnection)));
sendNestedJsonObj("thermostatconnected", CBOOLEAN(bOTGWthermostatstate));
sendNestedJsonObj("boilerconnected", CBOOLEAN(bOTGWboilerstate));
sendNestedJsonObj("gatewaymode", CBOOLEAN(bOTGWgatewaystate));
sendNestedJsonObj("otgwconnected", CBOOLEAN(bOTGWonline));
sendEndJsonObj("devinfo");
} // sendDeviceInfo()
//=======================================================================
void sendDeviceTime()
{
char buf[50];
sendStartJsonObj("devtime");
time_t now = time(nullptr);
//Timezone based devtime
TimeZone myTz = timezoneManager.createForZoneName(CSTR(settingNTPtimezone));
ZonedDateTime myTime = ZonedDateTime::forUnixSeconds64(now, myTz);
snprintf(buf, 49, PSTR("%04d-%02d-%02d %02d:%02d:%02d"), myTime.year(), myTime.month(), myTime.day(), myTime.hour(), myTime.minute(), myTime.second());
sendNestedJsonObj("dateTime", buf);
sendNestedJsonObj("epoch", (int)now);
sendNestedJsonObj("message", sMessage);
sendEndJsonObj("devtime");
} // sendDeviceTime()
//=======================================================================
void sendDeviceSettings()
{
RESTDebugTln(F("sending device settings ...\r"));
sendStartJsonObj("settings");
//sendJsonSettingObj("string", settingString, "p", sizeof(settingString)-1);
//sendJsonSettingObj("string", settingString, "s", sizeof(settingString)-1);
//sendJsonSettingObj("float", settingFloat, "f", 0, 10, 5);
//sendJsonSettingObj("intager", settingInteger , "i", 2, 60);
sendJsonSettingObj("hostname", CSTR(settingHostname), "s", 32);
sendJsonSettingObj("mqttenable", settingMQTTenable, "b");
sendJsonSettingObj("mqttbroker", CSTR(settingMQTTbroker), "s", 32);
sendJsonSettingObj("mqttbrokerport", settingMQTTbrokerPort, "i", 0, 65535);
sendJsonSettingObj("mqttuser", CSTR(settingMQTTuser), "s", 32);
sendJsonSettingObj("mqttpasswd", "notthepassword", "p", 100);
sendJsonSettingObj("mqtttoptopic", CSTR(settingMQTTtopTopic), "s", 15);
sendJsonSettingObj("mqtthaprefix", CSTR(settingMQTThaprefix), "s", 20);
sendJsonSettingObj("mqttharebootdetection", settingMQTTharebootdetection, "b");
sendJsonSettingObj("mqttuniqueid", CSTR(settingMQTTuniqueid), "s", 20);
sendJsonSettingObj("mqttotmessage", settingMQTTOTmessage, "b");
sendJsonSettingObj("ntpenable", settingNTPenable, "b");
sendJsonSettingObj("ntptimezone", CSTR(settingNTPtimezone), "s", 50);
sendJsonSettingObj("ntphostname", CSTR(settingNTPhostname), "s", 50);
sendJsonSettingObj("ledblink", settingLEDblink, "b");
sendJsonSettingObj("gpiosensorsenabled", settingGPIOSENSORSenabled, "b");
sendJsonSettingObj("gpiosensorspin", settingGPIOSENSORSpin, "i", 0, 16);
sendJsonSettingObj("gpiosensorsinterval", settingGPIOSENSORSinterval, "i", 5, 65535);
sendJsonSettingObj("s0counterenabled", settingS0COUNTERenabled, "b");
sendJsonSettingObj("s0counterpin", settingS0COUNTERpin, "i", 1, 16);
sendJsonSettingObj("s0counterdebouncetime", settingS0COUNTERdebouncetime, "i", 0, 1000);
sendJsonSettingObj("s0counterpulsekw", settingS0COUNTERpulsekw, "i", 1, 5000);
sendJsonSettingObj("s0counterinterval", settingS0COUNTERinterval, "i", 5, 65535);
sendJsonSettingObj("gpiooutputsenabled", settingGPIOOUTPUTSenabled, "b");
sendJsonSettingObj("gpiooutputspin", settingGPIOOUTPUTSpin, "i", 0, 16);
sendJsonSettingObj("gpiooutputstriggerbit", settingGPIOOUTPUTStriggerBit, "i", 0,16);
sendJsonSettingObj("otgwcommandenable", settingOTGWcommandenable, "b");
sendJsonSettingObj("otgwcommands", CSTR(settingOTGWcommands), "s", 128);
sendEndJsonObj("settings");
} // sendDeviceSettings()
//=======================================================================
void postSettings()
{
//------------------------------------------------------------
// json string: {"name":"settingInterval","value":9}
// json string: {"name":"settingHostname","value":"abc"}
//------------------------------------------------------------
// so, why not use ArduinoJSON library?
// I say: try it yourself ;-) It won't be easy
String wPair[5];
String jsonIn = CSTR(httpServer.arg(0));
char field[25] = {0,};
char newValue[101]={0,};
jsonIn.replace("{", "");
jsonIn.replace("}", "");
jsonIn.replace("\"", "");
uint_fast8_t wp = splitString(jsonIn.c_str(), ',', wPair, 5) ;
for (uint_fast8_t i=0; i<wp; i++)
{
String wOut[5];
//RESTDebugTf(PSTR("[%d] -> pair[%s]\r\n"), i, wPair[i].c_str());
uint8_t wc = splitString(wPair[i].c_str(), ':', wOut, 5) ;
//RESTDebugTf(PSTR("==> [%s] -> field[%s]->val[%s]\r\n"), wPair[i].c_str(), wOut[0].c_str(), wOut[1].c_str());
if (wc>1) {
if (wOut[0].equalsIgnoreCase("name")) {
if ( wOut[1].length() < (sizeof(field)-1) ) {
strncpy(field, wOut[1].c_str(), sizeof(field));
}
}
else if (wOut[0].equalsIgnoreCase("value")) {
if ( wOut[1].length() < (sizeof(newValue)-1) ) {
strncpy(newValue, wOut[1].c_str(), sizeof(newValue) );
}
}
}
}
if ( field[0] != 0 && newValue[0] != 0 ) {
RESTDebugTf(PSTR("--> field[%s] => newValue[%s]\r\n"), field, newValue);
updateSetting(field, newValue);
httpServer.send(200, "application/json", httpServer.arg(0));
} else {
// Internal client error? It could not proess the client request.
httpServer.send(400, "application/json", httpServer.arg(0));
}
} // postSettings()
//====================================================
void sendApiNotFound(const char *URI)
{
httpServer.sendHeader("Access-Control-Allow-Origin", "*");
httpServer.setContentLength(CONTENT_LENGTH_UNKNOWN);
httpServer.send ( 404, "text/html", "<!DOCTYPE HTML><html><head>");
strlcpy(cMsg, "<style>body { background-color: lightgray; font-size: 15pt;}", sizeof(cMsg));
strlcat(cMsg, "</style></head><body>", sizeof(cMsg));
httpServer.sendContent(cMsg);
strlcpy(cMsg, "<h1>OTGW firmware</h1><b1>", sizeof(cMsg));
httpServer.sendContent(cMsg);
strlcpy(cMsg, "<br>[<b>", sizeof(cMsg));
strlcat(cMsg, URI, sizeof(cMsg));
strlcat(cMsg, "</b>] is not a valid ", sizeof(cMsg));
httpServer.sendContent(cMsg);
strlcpy(cMsg, "</body></html>\r\n", sizeof(cMsg));
httpServer.sendContent(cMsg);
} // sendApiNotFound()
/***************************************************************************
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
****************************************************************************
*/