136 lines
4.7 KiB
C++
136 lines
4.7 KiB
C++
#include "GwIicTask.h"
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#include "GwHardware.h"
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#include <Wire.h>
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#include <SHT3X.h>
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#include "GwTimer.h"
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#include "N2kMessages.h"
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#include "GwHardware.h"
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#include "GwXdrTypeMappings.h"
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//#define GWSHT3X -1
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#ifndef GWIIC_SDA
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#define GWIIC_SDA -1
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#endif
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#ifndef GWIIC_SCL
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#define GWIIC_SCL -1
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#endif
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class SHT3XConfig{
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public:
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String tempTransducer;
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String humidTransducer;
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int iid;
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bool tempActive;
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bool humidActive;
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long interval;
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tN2kHumiditySource humiditySource;
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tN2kTempSource tempSource;
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SHT3XConfig(GwConfigHandler *config){
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tempTransducer=config->getString(GwConfigDefinitions::SHT3XTempName);
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humidTransducer=config->getString(GwConfigDefinitions::SHT3XHumidName);
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iid=config->getInt(GwConfigDefinitions::SHT3Xiid,99);
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tempActive=config->getBool(GwConfigDefinitions::iicSHT3XTemp);
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humidActive=config->getBool(GwConfigDefinitions::iicSHT3XHumid);
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interval=config->getInt(GwConfigDefinitions::SHT3Xinterval);
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interval*=1000;
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humiditySource=N2khs_InsideHumidity;
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tempSource=N2kts_InsideTemperature;
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}
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};
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void initIicTask(GwApi *api){
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GwLog *logger=api->getLogger();
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#ifndef _GWIIC
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return;
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#endif
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#ifdef GWSHT3X
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api->addCapability("SHT3X","true");
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LOG_DEBUG(GwLog::LOG,"GWSHT3X configured, adding capability and xdr mappings");
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SHT3XConfig sht3xConfig(api->getConfig());
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if (sht3xConfig.humidActive && ! sht3xConfig.humidTransducer.isEmpty()){
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//add XDR mapping for humidity
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GwXDRMappingDef xdr;
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xdr.category=GwXDRCategory::XDRHUMIDITY;
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xdr.direction=GwXDRMappingDef::M_FROM2K;
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xdr.field=GWXDRFIELD_HUMIDITY_ACTUALHUMIDITY;
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xdr.selector=(int)sht3xConfig.humiditySource;
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xdr.instanceMode=GwXDRMappingDef::IS_SINGLE;
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xdr.instanceId=sht3xConfig.iid;
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xdr.xdrName=sht3xConfig.humidTransducer;
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api->addXdrMapping(xdr);
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}
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if (sht3xConfig.tempActive && ! sht3xConfig.tempTransducer.isEmpty()){
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//add XDR mapping for humidity
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GwXDRMappingDef xdr;
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xdr.category=GwXDRCategory::XDRTEMP;
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xdr.direction=GwXDRMappingDef::M_FROM2K;
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xdr.field=GWXDRFIELD_TEMPERATURE_ACTUALTEMPERATURE;
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xdr.selector=(int)sht3xConfig.tempSource;
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xdr.instanceMode=GwXDRMappingDef::IS_SINGLE;
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xdr.instanceId=sht3xConfig.iid;
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xdr.xdrName=sht3xConfig.tempTransducer;
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api->addXdrMapping(xdr);
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}
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#endif
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}
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void runIicTask(GwApi *api){
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GwLog *logger=api->getLogger();
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#ifndef _GWIIC
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LOG_DEBUG(GwLog::LOG,"no iic defined, iic task stopped");
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vTaskDelete(NULL);
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return;
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#endif
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LOG_DEBUG(GwLog::LOG,"iic task started");
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bool rt=Wire.begin(GWIIC_SDA,GWIIC_SCL);
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if (! rt){
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LOG_DEBUG(GwLog::ERROR,"unable to initialize IIC");
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vTaskDelete(NULL);
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return;
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}
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GwConfigHandler *config=api->getConfig();
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SHT3X *sht3x=nullptr;
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bool runLoop=false;
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GwIntervalRunner timers;
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#ifdef GWSHT3X
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int8_t addr=GWSHT3X;
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if (addr < 0) addr=0x44; //default
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SHT3XConfig sht3xConfig(config);
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if (sht3xConfig.humidActive || sht3xConfig.tempActive){
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sht3x=new SHT3X();
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sht3x->init(addr,&Wire);
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LOG_DEBUG(GwLog::LOG,"initialized SHT3X at address %d, interval %ld",(int)addr,sht3xConfig.interval);
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runLoop=true;
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timers.addAction(sht3xConfig.interval,[logger,api,sht3x,sht3xConfig](){
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int rt=0;
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if ((rt=sht3x->get())==0){
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double temp=sht3x->cTemp;
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temp=CToKelvin(temp);
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double humid=sht3x->humidity;
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LOG_DEBUG(GwLog::DEBUG,"SHT3X measure temp=%2.1f, humid=%2.0f",(float)temp,(float)humid);
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tN2kMsg msg;
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if (sht3xConfig.humidActive){
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SetN2kHumidity(msg,1,sht3xConfig.iid,sht3xConfig.humiditySource,humid);
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api->sendN2kMessage(msg);
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}
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if (sht3xConfig.tempActive){
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SetN2kTemperature(msg,1,sht3xConfig.iid,sht3xConfig.tempSource,temp);
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api->sendN2kMessage(msg);
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}
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}
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else{
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LOG_DEBUG(GwLog::DEBUG,"unable to query SHT3X: %d",rt);
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}
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});
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}
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#endif
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if (! runLoop){
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LOG_DEBUG(GwLog::LOG,"nothing to do for IIC task, finish");
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vTaskDelete(NULL);
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return;
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}
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while(true){
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delay(100);
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timers.loop();
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}
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vTaskDelete(NULL);
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}
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