mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-22 15:46:14 +01:00
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
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//sensorCAM parser.cpp version 3.03 Sep 2024
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#include "CamParser.h"
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#include "FSH.h"
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#include "IO_EXSensorCAM.h"
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#ifndef SENSORCAM_VPIN //define CAM vpin (700?) in config.h
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#define SENSORCAM_VPIN 0
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#endif
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#define CAM_VPIN SENSORCAM_VPIN
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#ifndef SENSORCAM2_VPIN
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#define SENSORCAM2_VPIN CAM_VPIN
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#endif
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#ifndef SENSORCAM3_VPIN
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#define SENSORCAM3_VPIN 0
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#endif
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const int CAMVPINS[] = {CAM_VPIN,SENSORCAM_VPIN,SENSORCAM2_VPIN,SENSORCAM3_VPIN};
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const int16_t ver=30177;
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const int16_t ve =2899;
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VPIN EXSensorCAM::CAMBaseVpin = CAM_VPIN;
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bool CamParser::parseN(Print * stream, byte paramCount, int16_t p[]) {
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(void)stream; // probably unused parameter
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VPIN vpin=EXSensorCAM::CAMBaseVpin; //use current CAM selection
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if (paramCount==0) {
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DIAG(F("vpin:%d EXSensorCAMs defined at Vpins #1@ %d #2@ %d #3@ %d"),vpin,CAMVPINS[1],CAMVPINS[2],CAMVPINS[3]);
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return true;
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}
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uint8_t camop=p[0]; // cam oprerator
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int param1=0;
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int16_t param3=9999; // =0 could invoke parameter changes. & -1 gives later errors
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if(camop=='C'){
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if(p[1]>=100) EXSensorCAM::CAMBaseVpin=p[1];
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if(p[1]<4) EXSensorCAM::CAMBaseVpin=CAMVPINS[p[1]];
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DIAG(F("CAM base Vpin: %c %d "),p[0],EXSensorCAM::CAMBaseVpin);
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return true;
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}
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if (camop<100) { //switch CAM# if p[1] dictates
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if(p[1]>=100 && p[1]<400) { //limits to CAM# 1 to 3 for now
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vpin=CAMVPINS[p[1]/100];
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EXSensorCAM::CAMBaseVpin=vpin;
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DIAG(F("switching to CAM %d baseVpin:%d"),p[1]/100,vpin);
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p[1]=p[1]%100; //strip off CAM #
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}
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}
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if (EXSensorCAM::CAMBaseVpin==0) return false; // no cam defined
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// send UPPER case to sensorCAM to flag binary data from a DCCEX-CS parser
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switch(paramCount) {
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case 1: //<N ver> produces '^'
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if((p[0] == ve) || (p[0] == ver) || (p[0] == 'V')) camop='^';
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if (STRCHR_P((const char *)F("EFGMQRVW^"),camop) == nullptr) return false;
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if (camop=='Q') param3=10; //<NQ> for activation state of all 10 banks of sensors
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if (camop=='F') camop=']'; //<NF> for Reset/Finish webCAM.
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break; // F Coded as ']' else conflicts with <Nf %%>
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case 2: //<N camop p1>
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if (STRCHR_P((const char *)F("ABFILMNOPQRSTUV"),camop)==nullptr) return false;
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param1=p[1];
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break;
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case 3: //<N vpin rowY colx > or <N cmd p1 p2>
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camop=p[0];
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if (p[0]>=100) { //vpin - i.e. NOT 'A' through 'Z'
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if (p[1]>236 || p[1]<0) return false; //row
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if (p[2]>316 || p[2]<0) return false; //column
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camop=0x80; // special 'a' case for IO_SensorCAM
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vpin = p[0];
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}else if (STRCHR_P((const char *)F("IJMNT"),camop) == nullptr) return false;
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param1 = p[1];
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param3 = p[2];
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break;
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case 4: //<N a id row col>
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if (camop!='A') return false; //must start with 'a'
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if (p[3]>316 || p[3]<0) return false;
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if (p[2]>236 || p[2]<0) return false;
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if (p[1]>97 || p[1]<0) return false; //treat as bsNo.
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vpin = vpin + (p[1]/10)*8 + p[1]%10; //translate p[1]
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camop=0x80; // special 'a' case for IO_SensorCAM
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param1=p[2]; // row
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param3=p[3]; // col
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break;
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default:
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return false;
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}
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DIAG(F("CamParser: %d %c %d %d"),vpin,camop,param1,param3);
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IODevice::writeAnalogue(vpin,param1,camop,param3);
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return true;
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} |