esp32-nmea2000-obp60/lib/spitask/GWDMS22B.cpp

137 lines
4.0 KiB
C++

/*
(C) Andreas Vogel andreas@wellenvogel.de
This code is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "GWDMS22B.h"
#include "GwApi.h"
#include "N2kMessages.h"
#include "GwHardware.h"
#define CHECK_BUS(BUS) \
checkDef("missing config for " #BUS,GW ## BUS ## _CLK ,GW ## BUS ## _MISO);
class GWDMS22B;
static GwSensorConfigInitializerList<GWDMS22B> configs;
class GWDMS22B : public SSISensor{
public:
int zero=2047;
bool invt=false;
String zeroConfigName;
GWDMS22B(GwApi *api,const String &prfx):SSISensor(api,prfx){}
virtual bool preinit(GwApi * api){
GwLog *logger=api->getLogger();
LOG_DEBUG(GwLog::LOG,"DMS22B configured, prefix=%s, intv=%f, active=%d",prefix.c_str(),fintv,(int)act);
return act;
}
virtual void measure(GwApi * api,BUSTYPE *bus, int counterId){
GwLog *logger=api->getLogger();
uint32_t value=0;
esp_err_t res=readData(value);
if (res != ESP_OK){
LOG_DEBUG(GwLog::ERROR,"unable to measure %s: %d",prefix.c_str(),(int)res);
}
double resolved=(((int)value-zero)*360.0/mask);
if (invt) resolved=-resolved;
LOG_DEBUG(GwLog::DEBUG,"measure %s : %d, resolved: %f",prefix.c_str(),value,(float)resolved);
tN2kMsg msg;
SetN2kRudder(msg,DegToRad(resolved),iid);
api->sendN2kMessage(msg);
api->increment(counterId,prefix);
api->setCalibrationValue(zeroConfigName,(double)value);
}
virtual void readConfig(GwConfigHandler *cfg){
if (ok) return;
configs.readConfig(this,cfg);
}
};
#define ADD22B(PRFX,BUS) \
{\
CHECK_BUS(BUS); \
GWDMS22B *dms=new GWDMS22B(api,#PRFX);\
api->addSensor(dms,true); \
}
void registerDMS22B(GwApi *api){
#ifdef GWDMS22B11
ADD22B(DMS22B11,SPI1)
#ifndef GWDMS22B11_CS
#define GWDMS22B11_CS -1
#endif
#else
#define GWDMS22B11_CS -1
#endif
#ifdef GWDMS22B12
ADD22B(DMS22B12,SPI1)
#ifndef GWDMS22B12_CS
#error "you need to define GWDMS22B12_CS"
#endif
#if GWDMS22B11_CS == -1
#error "multiple devices on one SPI bus need chip select defines - GWDMS22B11_CS is unset"
#endif
#else
#define GWDMS22B12_CS -1
#endif
#ifdef GWDMS22B21
ADD22B(DMS22B21,SPI2)
#ifndef GWDMS22B21_CS
#define GWDMS22B21_CS -1
#endif
#else
#define GWDMS22B21_CS -1
#endif
#ifdef GWDMS22B22
ADD22B(DMS22B22,SPI2)
#ifndef GWDMS22B22_CS
#error "you need to define GWDMS22B22_CS"
#endif
#if GWDMS22B21_CS == -1
#error "multiple devices on one SPI bus need chip select defines - GWDMS22B21_CS is unset"
#endif
#else
#define GWDMS22B22_CS -1
#endif
}
#define CFGDMS22B(s,PRFX,bus,csv) \
CFG_SGET(s,act,PRFX); \
CFG_SGET(s,iid,PRFX); \
CFG_SGET(s,fintv,PRFX); \
CFG_SGET(s,zero,PRFX); \
s->zeroConfigName=GwConfigDefinitions::PRFX ## zero;\
CFG_SGET(s,invt,PRFX); \
s->bits=12; \
s->clock=500000; \
s->cs=csv; \
s->busId=bus; \
s->intv=1000*s->fintv; \
s->ok=true;
#define SCDMS22B(prefix,bus) \
GWSENSORDEF(configs,GWDMS22B,CFGDMS22B,prefix,GW ## bus ## _HOST,GW ## prefix ## _CS)
SCDMS22B(DMS22B11,SPI1);
SCDMS22B(DMS22B12,SPI1);
SCDMS22B(DMS22B21,SPI2);
SCDMS22B(DMS22B22,SPI2);