653 lines
29 KiB
C++
653 lines
29 KiB
C++
/*
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Speeduino - Simple engine management for the Arduino Mega 2560 platform
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Copyright (C) Josh Stewart
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A full copy of the license may be found in the projects root directory
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can_comms was originally contributed by Darren Siepka
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*/
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/*
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secondserial_command is called when a command is received from the secondary serial port
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It parses the command and calls the relevant function.
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can_command is called when a command is received by the onboard/attached canbus module
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It parses the command and calls the relevant function.
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sendcancommand is called when a command is to be sent either to serial3
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,to the external Can interface, or to the onboard/attached can interface
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*/
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#include "globals.h"
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#include "comms_secondary.h"
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#include "maths.h"
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#include "errors.h"
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#include "utilities.h"
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#include "comms_legacy.h"
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#include "logger.h"
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#include "page_crc.h"
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uint8_t currentSecondaryCommand;
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#if ( defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) )
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HardwareSerial &secondarySerial = Serial3;
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#elif defined(CORE_STM32)
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#ifndef HAVE_HWSERIAL2 //Hack to get the code to compile on BlackPills
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#define Serial2 Serial1
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#endif
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#if defined(STM32GENERIC) // STM32GENERIC core
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SerialUART &secondarySerial = Serial2;
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#else //libmaple core aka STM32DUINO
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HardwareSerial &secondarySerial = Serial2;
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#endif
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#elif defined(CORE_TEENSY)
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HardwareSerial &secondarySerial = Serial2;
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#endif
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void secondserial_Command(void)
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{
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#if defined(secondarySerial_AVAILABLE)
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if ( serialSecondaryStatusFlag == SERIAL_INACTIVE ) { currentSecondaryCommand = secondarySerial.read(); }
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switch (currentSecondaryCommand)
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{
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case 'A':
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// sends a fixed 75 bytes of data. Used by Real Dash (Among others)
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//sendcanValues(0, CAN_PACKET_SIZE, 0x31, 1); //send values to serial3
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sendValues(0, CAN_PACKET_SIZE, 0x31, secondarySerial, serialSecondaryStatusFlag); //send values to serial3
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break;
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case 'b': // New EEPROM burn command to only burn a single page at a time
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 'B': // AS above but for the serial compatibility mode.
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BIT_SET(currentStatus.status4, BIT_STATUS4_COMMS_COMPAT); //Force the compat mode
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 'd': // Send a CRC32 hash of a given page
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 'G': // this is the reply command sent by the Can interface
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serialSecondaryStatusFlag = SERIAL_COMMAND_INPROGRESS_LEGACY;
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byte destcaninchannel;
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if (secondarySerial.available() >= 9)
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{
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serialSecondaryStatusFlag = SERIAL_INACTIVE;
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uint8_t cmdSuccessful = secondarySerial.read(); //0 == fail, 1 == good.
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destcaninchannel = secondarySerial.read(); // the input channel that requested the data value
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if (cmdSuccessful != 0)
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{ // read all 8 bytes of data.
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uint8_t Gdata[9];
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uint8_t Glow, Ghigh;
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for (byte Gx = 0; Gx < 8; Gx++) // first two are the can address the data is from. next two are the can address the data is for.then next 1 or two bytes of data
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{
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Gdata[Gx] = secondarySerial.read();
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}
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Glow = Gdata[(configPage9.caninput_source_start_byte[destcaninchannel]&7)];
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if ((BIT_CHECK(configPage9.caninput_source_num_bytes,destcaninchannel) > 0)) //if true then num bytes is 2
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{
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if ((configPage9.caninput_source_start_byte[destcaninchannel]&7) < 8) //you can't have a 2 byte value starting at byte 7(8 on the list)
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{
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Ghigh = Gdata[((configPage9.caninput_source_start_byte[destcaninchannel]&7)+1)];
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}
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else { Ghigh = 0; }
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}
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else
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{
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Ghigh = 0;
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}
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currentStatus.canin[destcaninchannel] = (Ghigh<<8) | Glow;
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}
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else{} //continue as command request failed and/or data/device was not available
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}
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break;
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case 'k': //placeholder for new can interface (toucan etc) commands
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break;
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case 'L':
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{
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//uint8_t Llength;
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while (secondarySerial.available() == 0) { }
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uint8_t canListen = secondarySerial.read();
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if (canListen == 0)
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{
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//command request failed and/or data/device was not available
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break;
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}
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while (secondarySerial.available() == 0) { }
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/*
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Unclear what the below is trying to achieve. Commenting out for now to avoid compiler warnings for unused variables
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Llength = secondarySerial.read(); // next the number of bytes expected value
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uint8_t Lbuffer[8]; //8 byte buffer to store incoming can data
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for (uint8_t Lcount = 0; Lcount <Llength ;Lcount++)
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{
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while (secondarySerial.available() == 0){}
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// receive all x bytes into "Lbuffer"
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Lbuffer[Lcount] = secondarySerial.read();
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}
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*/
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break;
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}
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case 'n': // sends the bytes of realtime values from the NEW CAN list
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sendValues(0, NEW_CAN_PACKET_SIZE, 0x32, secondarySerial, serialSecondaryStatusFlag); //send values to serial3
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break;
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case 'p':
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 'Q': // send code version
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 'r': //New format for the optimised OutputChannels over CAN
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legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag);
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break;
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case 's': // send the "a" stream code version
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secondarySerial.print(F("Speeduino csx02019.8"));
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break;
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case 'S': // send code version
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if(configPage9.secondarySerialProtocol == SECONDARY_SERIAL_PROTO_MSDROID) { legacySerialHandler('Q', secondarySerial, serialSecondaryStatusFlag); } //Note 'Q', this is a workaround for msDroid
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else { legacySerialHandler(currentSecondaryCommand, secondarySerial, serialSecondaryStatusFlag); }
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break;
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case 'Z': //dev use
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break;
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default:
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break;
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}
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#endif
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}
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void can_Command(void)
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{
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//int currentcanCommand = inMsg.id;
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#if defined (NATIVE_CAN_AVAILABLE)
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// currentStatus.canin[12] = (inMsg.id);
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if ( (inMsg.id == uint16_t(configPage9.obd_address + 0x100)) || (inMsg.id == 0x7DF))
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{
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// The address is the speeduino specific ecu canbus address
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// or the 0x7df(2015 dec) broadcast address
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if (inMsg.buf[1] == 0x01)
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{
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// PID mode 0 , realtime data stream
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obd_response(inMsg.buf[1], inMsg.buf[2], 0); // get the obd response based on the data in byte2
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outMsg.id = (0x7E8); //((configPage9.obd_address + 0x100)+ 8);
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Can0.write(outMsg); // send the 8 bytes of obd data
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}
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if (inMsg.buf[1] == 0x22)
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{
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// PID mode 22h , custom mode , non standard data
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obd_response(inMsg.buf[1], inMsg.buf[2], inMsg.buf[3]); // get the obd response based on the data in byte2
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outMsg.id = (0x7E8); //configPage9.obd_address+8);
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Can0.write(outMsg); // send the 8 bytes of obd data
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}
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}
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if (inMsg.id == uint16_t(configPage9.obd_address + 0x100))
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{
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// The address is only the speeduino specific ecu canbus address
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if (inMsg.buf[1] == 0x09)
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{
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// PID mode 9 , vehicle information request
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if (inMsg.buf[2] == 02)
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{
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//send the VIN number , 17 char long VIN sent in 5 messages.
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}
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else if (inMsg.buf[2] == 0x0A)
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{
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//code 20: send 20 ascii characters with ECU name , "ECU -SpeeduinoXXXXXX" , change the XXXXXX ONLY as required.
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}
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}
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}
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#endif
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}
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// this routine sends a request(either "0" for a "G" , "1" for a "L" , "2" for a "R" to the Can interface or "3" sends the request via the actual local canbus
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void sendCancommand(uint8_t cmdtype, uint16_t canaddress, uint8_t candata1, uint8_t candata2, uint16_t sourcecanAddress)
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{
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#if defined(secondarySerial_AVAILABLE)
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switch (cmdtype)
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{
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case 0:
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secondarySerial.print("G");
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secondarySerial.write(canaddress); //tscanid of speeduino device
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secondarySerial.write(candata1); // table id
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secondarySerial.write(candata2); //table memory offset
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break;
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case 1: //send request to listen for a can message
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secondarySerial.print("L");
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secondarySerial.write(canaddress); //11 bit canaddress of device to listen for
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break;
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case 2: // requests via serial3
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secondarySerial.print("R"); //send "R" to request data from the sourcecanAddress whose value is sent next
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secondarySerial.write(candata1); //the currentStatus.current_caninchannel
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secondarySerial.write(lowByte(sourcecanAddress) ); //send lsb first
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secondarySerial.write(highByte(sourcecanAddress) );
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break;
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case 3:
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//send to truecan send routine
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//canaddress == speeduino canid, candata1 == canin channel dest, paramgroup == can address to request from
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//This section is to be moved to the correct can output routine later
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#if defined(NATIVE_CAN_AVAILABLE)
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outMsg.id = (canaddress);
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outMsg.len = 8;
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outMsg.buf[0] = 0x0B ; //11;
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outMsg.buf[1] = 0x15;
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outMsg.buf[2] = candata1;
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outMsg.buf[3] = 0x24;
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outMsg.buf[4] = 0x7F;
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outMsg.buf[5] = 0x70;
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outMsg.buf[6] = 0x9E;
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outMsg.buf[7] = 0x4D;
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Can0.write(outMsg);
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#endif
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break;
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default:
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break;
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}
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#else
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UNUSED(cmdtype);
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UNUSED(canaddress);
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UNUSED(candata1);
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UNUSED(candata2);
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UNUSED(sourcecanAddress);
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#endif
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}
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#if defined(NATIVE_CAN_AVAILABLE)
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// This routine builds the realtime data into packets that the obd requesting device can understand. This is only used by teensy and stm32 with onboard canbus
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void obd_response(uint8_t PIDmode, uint8_t requestedPIDlow, uint8_t requestedPIDhigh)
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{
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//only build the PID if the mcu has onboard/attached can
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uint16_t obdcalcA; //used in obd calcs
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uint16_t obdcalcB; //used in obd calcs
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uint16_t obdcalcC; //used in obd calcs
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uint16_t obdcalcD; //used in obd calcs
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uint32_t obdcalcE32; //used in calcs
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uint32_t obdcalcF32; //used in calcs
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uint16_t obdcalcG16; //used in calcs
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uint16_t obdcalcH16; //used in calcs
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outMsg.len = 8;
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if (PIDmode == 0x01)
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{
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//currentStatus.canin[13] = therequestedPIDlow;
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switch (requestedPIDlow)
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{
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case 0: //PID-0x00 PIDs supported 01-20
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outMsg.buf[0] = 0x06; // sending 6 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x00; // PID code
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outMsg.buf[3] = 0x08; //B0000 1000 1-8
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outMsg.buf[4] = B01111110; //9-16
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outMsg.buf[5] = B10100000; //17-24
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outMsg.buf[6] = B00010001; //17-32
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outMsg.buf[7] = B00000000;
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break;
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case 5: //PID-0x05 Engine coolant temperature , range is -40 to 215 deg C , formula == A-40
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x05; // pid code
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outMsg.buf[3] = (byte)(currentStatus.coolant + CALIBRATION_TEMPERATURE_OFFSET); //the data value A
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outMsg.buf[4] = 0x00; //the data value B which is 0 as unused
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 10: // PID-0x0A , Fuel Pressure (Gauge) , range is 0 to 765 kPa , formula == A / 3)
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uint16_t temp_fuelpressure;
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// Fuel pressure is in PSI. PSI to kPa is 6.89475729, but that needs to be divided by 3 for OBD2 formula. So 2.298.... 2.3 is close enough, so that in fraction.
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temp_fuelpressure = (currentStatus.fuelPressure * 23) / 10;
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outMsg.buf[0] = 0x03; // sending 3 byte
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outMsg.buf[1] = 0x41; //
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outMsg.buf[2] = 0x0A; // pid code
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outMsg.buf[3] = lowByte(temp_fuelpressure);
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outMsg.buf[4] = 0x00;
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 11: // PID-0x0B , MAP , range is 0 to 255 kPa , Formula == A
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outMsg.buf[0] = 0x03; // sending 3 byte
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outMsg.buf[1] = 0x41; //
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outMsg.buf[2] = 0x0B; // pid code
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outMsg.buf[3] = lowByte(currentStatus.MAP); // absolute map
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outMsg.buf[4] = 0x00;
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 12: // PID-0x0C , RPM , range is 0 to 16383.75 rpm , Formula == 256A+B / 4
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uint16_t temp_revs;
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temp_revs = currentStatus.RPM << 2 ; //
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outMsg.buf[0] = 0x04; // sending 4 byte
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outMsg.buf[1] = 0x41; //
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outMsg.buf[2] = 0x0C; // pid code
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outMsg.buf[3] = highByte(temp_revs); //obdcalcB; A
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outMsg.buf[4] = lowByte(temp_revs); //obdcalcD; B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 13: //PID-0x0D , Vehicle speed , range is 0 to 255 km/h , formula == A
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x0D; // pid code
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outMsg.buf[3] = lowByte(currentStatus.vss); // A
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outMsg.buf[4] = 0x00; // B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 14: //PID-0x0E , Ignition Timing advance, range is -64 to 63.5 BTDC , formula == A/2 - 64
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int8_t temp_timingadvance;
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temp_timingadvance = ((currentStatus.advance + 64) << 1);
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//obdcalcA = ((timingadvance + 64) <<1) ; //((timingadvance + 64) *2)
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x0E; // pid code
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outMsg.buf[3] = temp_timingadvance; // A
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outMsg.buf[4] = 0x00; // B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 15: //PID-0x0F , Inlet air temperature , range is -40 to 215 deg C, formula == A-40
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x0F; // pid code
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outMsg.buf[3] = (byte)(currentStatus.IAT + CALIBRATION_TEMPERATURE_OFFSET); // A
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outMsg.buf[4] = 0x00; // B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 17: // PID-0x11 ,
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// TPS percentage, range is 0 to 100 percent, formula == 100/256 A
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uint16_t temp_tpsPC;
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temp_tpsPC = currentStatus.TPS;
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obdcalcA = (temp_tpsPC <<8) / 100; // (tpsPC *256) /100;
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if (obdcalcA > 255){ obdcalcA = 255;}
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x11; // pid code
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outMsg.buf[3] = obdcalcA; // A
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outMsg.buf[4] = 0x00; // B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 19: //PID-0x13 , oxygen sensors present, A0-A3 == bank1 , A4-A7 == bank2 ,
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uint16_t O2present;
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O2present = B00000011 ; //realtimebufferA[24]; TEST VALUE !!!!!
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x13; // pid code
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outMsg.buf[3] = O2present ; // A
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outMsg.buf[4] = 0x00; // B
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outMsg.buf[5] = 0x00;
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outMsg.buf[6] = 0x00;
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outMsg.buf[7] = 0x00;
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break;
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case 28: // PID-0x1C obd standard
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uint16_t obdstandard;
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obdstandard = 7; // This is OBD2 / EOBD
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outMsg.buf[0] = 0x03; // sending 3 bytes
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outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
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outMsg.buf[2] = 0x1C; // pid code
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|
outMsg.buf[3] = obdstandard; // A
|
|
outMsg.buf[4] = 0x00; // B
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 32: // PID-0x20 PIDs supported [21-40]
|
|
outMsg.buf[0] = 0x06; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x20; // pid code
|
|
outMsg.buf[3] = B00011000; // 33-40
|
|
outMsg.buf[4] = B00000000; //41 - 48
|
|
outMsg.buf[5] = B00100000; //49-56
|
|
outMsg.buf[6] = B00000001; //57-64
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 36: // PID-0x24 O2 sensor2, AB: fuel/air equivalence ratio, CD: voltage , Formula == (2/65536)(256A +B) , 8/65536(256C+D) , Range is 0 to <2 and 0 to >8V
|
|
//uint16_t O2_1e ;
|
|
//int16_t O2_1v ;
|
|
obdcalcH16 = configPage2.stoich/10 ; // configPage2.stoich(is *10 so 14.7 is 147)
|
|
obdcalcE32 = currentStatus.O2/10; // afr(is *10 so 25.5 is 255) , needs a 32bit else will overflow
|
|
obdcalcF32 = (obdcalcE32<<8) / obdcalcH16; //this is same as (obdcalcE32/256) / obdcalcH16 . this calculates the ratio
|
|
obdcalcG16 = (obdcalcF32 *32768)>>8;
|
|
obdcalcA = highByte(obdcalcG16);
|
|
obdcalcB = lowByte(obdcalcG16);
|
|
|
|
obdcalcF32 = currentStatus.O2ADC ; //o2ADC is wideband volts to send *100
|
|
obdcalcG16 = (obdcalcF32 *20971)>>8;
|
|
obdcalcC = highByte(obdcalcG16);
|
|
obdcalcD = lowByte(obdcalcG16);
|
|
|
|
outMsg.buf[0] = 0x06; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x24; // pid code
|
|
outMsg.buf[3] = obdcalcA; // A
|
|
outMsg.buf[4] = obdcalcB; // B
|
|
outMsg.buf[5] = obdcalcC; // C
|
|
outMsg.buf[6] = obdcalcD; // D
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 37: //O2 sensor2, AB fuel/air equivalence ratio, CD voltage , 2/65536(256A +B) ,8/65536(256C+D) , range is 0 to <2 and 0 to >8V
|
|
//uint16_t O2_2e ;
|
|
//int16_t O2_2V ;
|
|
obdcalcH16 = configPage2.stoich/10 ; // configPage2.stoich(is *10 so 14.7 is 147)
|
|
obdcalcE32 = currentStatus.O2_2/10; // afr(is *10 so 25.5 is 255) , needs a 32bit else will overflow
|
|
obdcalcF32 = (obdcalcE32<<8) / obdcalcH16; //this is same as (obdcalcE32/256) / obdcalcH16 . this calculates the ratio
|
|
obdcalcG16 = (obdcalcF32 *32768)>>8;
|
|
obdcalcA = highByte(obdcalcG16);
|
|
obdcalcB = lowByte(obdcalcG16);
|
|
|
|
obdcalcF32 = currentStatus.O2_2ADC ; //o2_2ADC is wideband volts to send *100
|
|
obdcalcG16 = (obdcalcF32 *20971)>>8;
|
|
obdcalcC = highByte(obdcalcG16);
|
|
obdcalcD = lowByte(obdcalcG16);
|
|
|
|
outMsg.buf[0] = 0x06; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x25; // pid code
|
|
outMsg.buf[3] = obdcalcA; // A
|
|
outMsg.buf[4] = obdcalcB; // B
|
|
outMsg.buf[5] = obdcalcC; // C
|
|
outMsg.buf[6] = obdcalcD; // D
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 51: //PID-0x33 Absolute Barometric pressure , range is 0 to 255 kPa , formula == A
|
|
outMsg.buf[0] = 0x03; // sending 3 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x33; // pid code
|
|
outMsg.buf[3] = currentStatus.baro ; // A
|
|
outMsg.buf[4] = 0x00; // B which is 0 as unused
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 64: // PIDs supported [41-60]
|
|
outMsg.buf[0] = 0x06; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x40; // pid code
|
|
outMsg.buf[3] = B01000100; // 65-72dec
|
|
outMsg.buf[4] = B00000000; // 73-80
|
|
outMsg.buf[5] = B01000000; // 81-88
|
|
outMsg.buf[6] = B00010000; // 89-96
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 66: //control module voltage, 256A+B / 1000 , range is 0 to 65.535v
|
|
uint16_t temp_ecuBatt;
|
|
temp_ecuBatt = currentStatus.battery10; // create a 16bit temp variable to do the math
|
|
obdcalcA = temp_ecuBatt*100; // should be *1000 but ecuBatt is already *10
|
|
outMsg.buf[0] = 0x04; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x42; // pid code
|
|
outMsg.buf[3] = highByte(obdcalcA) ; // A
|
|
outMsg.buf[4] = lowByte(obdcalcA) ; // B
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 70: //PID-0x46 Ambient Air Temperature , range is -40 to 215 deg C , formula == A-40
|
|
uint16_t temp_ambientair;
|
|
temp_ambientair = 11; // TEST VALUE !!!!!!!!!!
|
|
obdcalcA = temp_ambientair + 40 ; // maybe later will be (byte)(currentStatus.AAT + CALIBRATION_TEMPERATURE_OFFSET)
|
|
outMsg.buf[0] = 0x03; // sending 3 byte
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x46; // pid code
|
|
outMsg.buf[3] = obdcalcA; // A
|
|
outMsg.buf[4] = 0x00;
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 82: //PID-0x52 Ethanol fuel % , range is 0 to 100% , formula == (100/255)A
|
|
outMsg.buf[0] = 0x03; // sending 3 byte
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x52; // pid code
|
|
outMsg.buf[3] = currentStatus.ethanolPct; // A
|
|
outMsg.buf[4] = 0x00;
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 92: //PID-0x5C Engine oil temperature , range is -40 to 210 deg C , formula == A-40
|
|
uint16_t temp_engineoiltemp;
|
|
temp_engineoiltemp = 40; // TEST VALUE !!!!!!!!!!
|
|
obdcalcA = temp_engineoiltemp+40 ; // maybe later will be (byte)(currentStatus.EOT + CALIBRATION_TEMPERATURE_OFFSET)
|
|
outMsg.buf[0] = 0x03; // sending 3 byte
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x5C; // pid code
|
|
outMsg.buf[3] = obdcalcA ; // A
|
|
outMsg.buf[4] = 0x00;
|
|
outMsg.buf[5] = 0x00;
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
case 96: //PIDs supported [61-80]
|
|
outMsg.buf[0] = 0x06; // sending 4 bytes
|
|
outMsg.buf[1] = 0x41; // Same as query, except that 40h is added to the mode value. So:41h = show current data ,42h = freeze frame ,etc.
|
|
outMsg.buf[2] = 0x60; // pid code
|
|
outMsg.buf[3] = 0x00; // B0000 0000
|
|
outMsg.buf[4] = 0x00; // B0000 0000
|
|
outMsg.buf[5] = 0x00; // B0000 0000
|
|
outMsg.buf[6] = 0x00; // B0000 0000
|
|
outMsg.buf[7] = 0x00;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (PIDmode == 0x22)
|
|
{
|
|
// these are custom PID not listed in the SAE std .
|
|
if (requestedPIDhigh == 0x77)
|
|
{
|
|
if ((requestedPIDlow >= 0x01) && (requestedPIDlow <= 0x10))
|
|
{
|
|
// PID 0x01 (1 dec) to 0x10 (16 dec)
|
|
// Aux data / can data IN Channel 1 - 16
|
|
outMsg.buf[0] = 0x06; // sending 8 bytes
|
|
outMsg.buf[1] = 0x62; // Same as query, except that 40h is added to the mode value. So:62h = custom mode
|
|
outMsg.buf[2] = requestedPIDlow; // PID code
|
|
outMsg.buf[3] = 0x77; // PID code
|
|
outMsg.buf[4] = lowByte(currentStatus.canin[requestedPIDlow]); // A
|
|
outMsg.buf[5] = highByte(currentStatus.canin[requestedPIDlow]); // B
|
|
outMsg.buf[6] = 0x00; // C
|
|
outMsg.buf[7] = 0x00; // D
|
|
}
|
|
}
|
|
// this allows to get any value out of current status array.
|
|
else if (requestedPIDhigh == 0x78)
|
|
{
|
|
int16_t tempValue;
|
|
tempValue = ProgrammableIOGetData(requestedPIDlow);
|
|
outMsg.buf[0] = 0x06; // sending 6 bytes
|
|
outMsg.buf[1] = 0x62; // Same as query, except that 40h is added to the mode value. So:62h = custom mode
|
|
outMsg.buf[2] = requestedPIDlow; // PID code
|
|
outMsg.buf[3] = 0x78; // PID code
|
|
outMsg.buf[4] = lowByte(tempValue); // A
|
|
outMsg.buf[5] = highByte(tempValue); // B
|
|
outMsg.buf[6] = 0x00;
|
|
outMsg.buf[7] = 0x00;
|
|
}
|
|
}
|
|
}
|
|
|
|
void readAuxCanBus()
|
|
{
|
|
for (int i = 0; i < 16; i++)
|
|
{
|
|
if (inMsg.id == (configPage9.caninput_source_can_address[i] + 0x100)) //Filters frame ID
|
|
{
|
|
|
|
if (!BIT_CHECK(configPage9.caninput_source_num_bytes, i))
|
|
{
|
|
// Gets the one-byte value from the Data Field.
|
|
currentStatus.canin[i] = inMsg.buf[configPage9.caninput_source_start_byte[i]];
|
|
}
|
|
|
|
else
|
|
{
|
|
|
|
if (configPage9.caninputEndianess == 1)
|
|
{
|
|
//Gets the two-byte value from the Data Field in Litlle Endian.
|
|
currentStatus.canin[i] = ((inMsg.buf[configPage9.caninput_source_start_byte[i]]) | (inMsg.buf[configPage9.caninput_source_start_byte[i] + 1] << 8));
|
|
}
|
|
else
|
|
{
|
|
//Gets the two-byte value from the Data Field in Big Endian.
|
|
currentStatus.canin[i] = ((inMsg.buf[configPage9.caninput_source_start_byte[i]] << 8) | (inMsg.buf[configPage9.caninput_source_start_byte[i] + 1]));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|