I will just copy all of my code, I do not know how much I need to post for someone to troubleshoot it for me. [CODE\ #include <LedControl.h> //to be made redundant - BIG power drain. 8x7 seg display with the maxim chip. #define LEDClkPin 6 #define LEDChipSel 5 #define LEDDatain 7 //these pins were set up for an Arduino Uno, adjust as appropriate. LedControl lc=LedControl(LEDDatain,LEDClkPin,LEDChipSel,12);//1==num of 8x8pixel arrays in line. can be up to 8. //pins for LEDs #define GLED 5 #define YLED 6 #define RLED 7 #define SASLED 11 #define RCSLED 12 #define CG1LED 13 //pins for input #define SASPIN 8 #define RCSPIN 9 #define CG1PIN 10 #define THROTTLEPIN 0 #define THROTTLEDB 4 //Throttle axis deadband //Input enums #define SAS 7 #define RCS 6 #define LIGHTS 5 #define GEAR 4 #define BRAKES 3 #define PRECISION 2 #define ABORT 1 #define STAGE 0 //Action group statuses #define AGSAS 0 #define AGRCS 1 #define AGLight 2 #define AGGear 3 #define AGBrakes 4 #define AGAbort 5 #define AGCustom01 6 #define AGCustom02 7 #define AGCustom03 8 #define AGCustom04 9 #define AGCustom05 10 #define AGCustom06 11 #define AGCustom07 12 #define AGCustom08 13 #define AGCustom09 14 #define AGCustom10 15 //macro #define details(name) (uint8_t*)&name,sizeof(name) //if no message received from KSP for more than 2s, go idle #define IDLETIMER 2000 #define CONTROLREFRESH 25 //warnings #define GWARN 9 //9G Warning #define GCAUTION 5 //5G Caution #define FUELCAUTION 10.0 //10% Fuel Caution #define FUELWARN 5.0 //5% Fuel warning unsigned long deadtime, deadtimeOld, controlTime, controlTimeOld; unsigned long now; boolean Connected = false; byte caution = 0, warning = 0, id; struct VesselData { byte id; //1 float AP; //2 float PE; //3 float SemiMajorAxis; //4 float SemiMinorAxis; //5 float VVI; //6 float e; //7 float inc; //8 float G; //9 long TAp; //10 long TPe; //11 float TrueAnomaly; //12 float Density; //13 long period; //14 float RAlt; //15 float Alt; //16 float Vsurf; //17 float Lat; //18 float Lon; //19 float LiquidFuelTot; //20 float LiquidFuel; //21 float OxidizerTot; //22 float Oxidizer; //23 float EChargeTot; //24 float ECharge; //25 float MonoPropTot; //26 float MonoProp; //27 float IntakeAirTot; //28 float IntakeAir; //29 float SolidFuelTot; //30 float SolidFuel; //31 float XenonGasTot; //32 float XenonGas; //33 float LiquidFuelTotS; //34 float LiquidFuelS; //35 float OxidizerTotS; //36 float OxidizerS; //37 uint32_t MissionTime; //38 float deltaTime; //39 float VOrbit; //40 uint32_t MNTime; //41 float MNDeltaV; //42 float Pitch; //43 float Roll; //44 float Heading; //45 uint16_t ActionGroups; //46 status bit order:SAS, RCS, Light, Gear, Brakes, Abort, Custom01 - 10 }; struct HandShakePacket { byte id; byte M1; byte M2; byte M3; }; struct ControlPacket { byte id; byte MainControls; //SAS RCS Lights Gear Brakes Precision Abort Stage byte Mode; //0 = stage, 1 = docking, 2 = map unsigned int ControlGroup; //control groups 1-10 in 2 bytes byte AdditionalControlByte1; //other stuff byte AdditionalControlByte2; int Pitch; //-1000 -> 1000 int Roll; //-1000 -> 1000 int Yaw; //-1000 -> 1000 int TX; //-1000 -> 1000 int TY; //-1000 -> 1000 int TZ; //-1000 -> 1000 int WheelSteer; //-1000 -> 1000 int Throttle; // 0 -> 1000 int WheelThrottle; // 0 -> 1000 }; HandShakePacket HPacket; VesselData VData; ControlPacket CPacket; void setup(){ Serial.begin(38400); initLEDS(); InitTxPackets(); controlsInit(); LEDSAllOff(); for (int loopval=0;loopval < lc.getDeviceCount();loopval++) { //getDeviceCount will get the number of dev's attached //so I don't have to re-write all the vars as the code changes //digitalWrite(36+loopval,LOW);//activate !CS //lc.SPI_CS=LED_CSstart+loopval;//change CS for current display lc.shutdown(loopval,false); lc.setIntensity(loopval,3);//val up to 15, zero is invalid (use shutdown method) lc.clearDisplay(loopval);//likely not needed for init, but is nicer coding. } // Initialize the MAX7219 device /* lc.shutdown(0,false); // Enable display lc.setIntensity(0,5); // Set brightness level (0 is min, 15 is max) lc.clearDisplay(0); // Clear display register// */ } void loop() { input(); output(); } void Handshake(){ digitalWrite(GLED,HIGH); HPacket.id = 0; HPacket.M1 = 3; HPacket.M2 = 1; HPacket.M3 = 4; KSPBoardSendData(details(HPacket)); //Serial.println(F("KSP;0")); //delay(1000); } // Handshake now = millis(); if (KSPBoardReceiveData()){ deadtimeOld = now; returnValue = id; switch(id) { case 0: //Handshake packet Handshake(); break; case 1: Indicators(); break; } //We got some data, turn the green led on digitalWrite(GLED,HIGH); Connected = true; } else { //if no message received for a while, go idle deadtime = now - deadtimeOld; if (deadtime > IDLETIMER) { deadtimeOld = now; Connected = false; LEDSAllOff(); } } return returnValue; } byte ControlStatus(byte n) { return ((VData.ActionGroups >> n) & 1) == 1; } int input() { int returnValue = -1; /*This is current draw for one 8 digit 7 segment display, printing A88888.88 15= 147 14= 140 13= 132 12= 124 11= 116 10= 105 9= 99 8= 89 7= 81 6= 72 5= 62 4= 52 3= 42 2= 32 1= 22 All in mA */ //-------------------------------------------------------------------------------------// void blankLEDscreens() { for (int loopval=0;loopval < lc.getDeviceCount();loopval++) { //getDeviceCount will get the number of dev's attached //so I don't have to re-write all the vars as the code changes //digitalWrite(36+loopval,LOW);//activate !CS //lc.SPI_CS=LED_CSstart+loopval;//change CS for current display lc.shutdown(loopval,false); lc.setIntensity(loopval,1);//val up to 15, zero is invalid (use shutdown method) lc.clearDisplay(loopval);//likely not needed for init, but is nicer coding. //digitalWrite(36+loopval,HIGH);//close !CS }//end for for (int loopval=0;loopval < lc.getDeviceCount();loopval++) { //lc.SPI_CS=LED_CSstart+loopval;//change CS for current display for (int ch=0;ch<8;ch++) { //digitalWrite(36+loopval,LOW);//activate !CS lc.setChar(loopval,ch,'-',false);//false flag is for decpnt control. //digitalWrite(36+loopval,HIGH); }//end for }//end for loopval } //-------------------------------------------------------------------------------------// //-------------------------------------------------------------------------------------// void printNumLED(int _dispnum, double _value, char c) { //needs to automatically calc where the decimal place goes. if (isEqual(_value-((long)_value),0)) printNumLED(_dispnum, (long)_value, c, -1, DEC); else if (isEqual(_value*10-((long)(_value*10)),0)) printNumLED(_dispnum, (long)(_value*10), c, 1, DEC); else if (isEqual(_value*100-((long)(_value*100)),0)) printNumLED(_dispnum, (long)(_value*100), c, 2, DEC); else if (isEqual(_value*1000-((long)(_value*1000)),0)) printNumLED(_dispnum, (long)(_value*1000), c, 3, DEC); else if (isEqual(_value*10000-((long)(_value*10000)),0)) printNumLED(_dispnum, (long)(_value*10000), c, 4, DEC); //printNumLED(_dispnum, _value, ' ', 0, 10); } //----------------// void printNumLED(int _dispnum, long _value) { printNumLED(_dispnum, _value, ' ', -1, DEC); } //----------------// void printNumLED(int _dispnum, long _value, char c) { printNumLED(_dispnum, _value, c, -1, DEC); } //----------------// void printNumLED(int _dispnum, long _value, char c, int _decplace) { printNumLED(_dispnum, _value, c, _decplace, DEC); } //----------------// void printNumLED(int _dispnum, long _value, char c, int _decplace, int _base) { //prints number to LEDmatrix chip. //for (int ch=0;ch<8;ch++) { // lc.setChar(loopval,ch,'-',false);//false flag is for decpnt control. //}//end for boolean IsNeg=false; if (_value<0) { IsNeg=true; _value=-_value;//make positive num } boolean decpoint; int placeval=0;int tempval; //digitalWrite(LED_CSstart+_dispnum,LOW);//activate !CS //lc.SPI_CS=LED_CSstart+_dispnum;//change CS for current display do { tempval=_value%_base; _value=_value/_base; decpoint=false; if ((_decplace)==placeval) decpoint=true; lc.setDigit(_dispnum,placeval,tempval,decpoint); //placeval++; } while ((placeval++<6 && _value>0) || (placeval<=_decplace)); if (IsNeg) { lc.setChar(_dispnum,placeval++,'-',false); } for (placeval=placeval;placeval<7;placeval++) { lc.setChar(_dispnum,placeval,' ',false); } // lc.setChar(_dispnum,7,c,false); //digitalWrite(36+_dispnum,HIGH); } //-------------------------------------------------------------------------------------// void printLeadingZeroFloatNumLED(int _dispnum, double _value, float _digits, char c, int _base) { int _lowerplaceval=(int(_digits*10)%10); int _newdigits=int(_digits)+_lowerplaceval; long _newvalue=(long)(_value*exponent(10,_lowerplaceval)); //printNumLED(_dispnum, _newvalue, c, _lowerplaceval, _base); printLeadingZeroNumLED(_dispnum, _newvalue, _newdigits, c, _lowerplaceval, _base); } //----------------// void printLeadingZeroNumLED(int _dispnum, long _value, int _digits) { printLeadingZeroNumLED(_dispnum,_value,_digits,' ',-1,DEC); } //----------------// void printLeadingZeroNumLED(int _dispnum, long _value, int _digits, char c) { printLeadingZeroNumLED(_dispnum,_value,_digits,c,-1,DEC); } //----------------// void printLeadingZeroNumLED(int _dispnum, long _value, int _digits, char c, int _decplace) { printLeadingZeroNumLED(_dispnum,_value,_digits,c,_decplace,DEC); } //----------------// void printLeadingZeroNumLED(int _dispnum, long _value, int _digits, char c, int _decplace, int _base) { //prints number to LEDmatrix chip. //for (int ch=0;ch<8;ch++) { // lc.setChar(loopval,ch,'-',false);//false flag is for decpnt control. //}//end for boolean IsNeg=false; if (_value<0) { IsNeg=true; _value=-_value;//make positive num if (_digits>6) _digits=6;//forces the negative sign to be shown, even if number is cut short. } boolean decpoint; int placeval=0;int tempval; do { tempval=_value%_base; _value=_value/_base; decpoint=false; if ((_decplace)==placeval) decpoint=true; lc.setDigit(_dispnum,placeval,tempval,decpoint); //placeval++; } while ((placeval++<6 && _value>0) || (placeval<_digits)); if (IsNeg) { lc.setChar(_dispnum,placeval++,'-',false); } for (placeval=placeval;placeval<7;placeval++) { lc.setChar(_dispnum,placeval,' ',false); } lc.setChar(_dispnum,7,c,false); } //-------------------------------------------------------------------------------------// [COLOR=#ff0000]void printNumLEDnew(int _dispnum, long _value, char c, int _decplace, int _base)[/COLOR] [COLOR=#ff0000]{[/COLOR] [COLOR=#ff0000]//char c is now made redundant, only kept in the header for a consistent input field.[/COLOR] [COLOR=#ff0000] [/COLOR] [COLOR=#ff0000]//prints number to LEDmatrix chip.[/COLOR] [COLOR=#ff0000]//for (int ch=0;ch<8;ch++) {[/COLOR] [COLOR=#ff0000]// numdisp.setChar(loopval,ch,'-',false);//false flag is for decpnt control.[/COLOR] [COLOR=#ff0000]//}//end for[/COLOR] [B][COLOR=#ff0000]if (numdisp.getDeviceCount()<=_dispnum) return;//cannot enter info on displays that do not exist.[/COLOR][/B] [COLOR=#ff0000] [/COLOR] [COLOR=#ff0000]boolean IsNeg=false;[/COLOR] [COLOR=#ff0000]if (_value<0) {[/COLOR] [COLOR=#ff0000]IsNeg=true;[/COLOR] [COLOR=#ff0000]_value=-_value;//make positive num[/COLOR] [COLOR=#ff0000]}[/COLOR] [COLOR=#ff0000]boolean decpoint;[/COLOR] [COLOR=#ff0000]int placeval=0;int tempval;[/COLOR] [COLOR=#ff0000]//digitalWrite(LED_CSstart+_dispnum,LOW);//activate !CS[/COLOR] [COLOR=#ff0000]//numdisp.SPI_CS=LED_CSstart+_dispnum;//change CS for current display[/COLOR] [COLOR=#ff0000]do {[/COLOR] [COLOR=#ff0000]tempval=_value%_base; _value=_value/_base;[/COLOR] [COLOR=#ff0000]decpoint=false; if ((_decplace)==placeval) decpoint=true;[/COLOR] [B][COLOR=#ff0000]numdisp.setDigit(_dispnum,placeval,tempval,decpoint);[/COLOR][/B] [COLOR=#ff0000]//placeval++;[/COLOR] [COLOR=#ff0000]} while ((placeval++<7 && _value>0) || (placeval<=_decplace));[/COLOR] [COLOR=#ff0000]if (IsNeg) {[/COLOR] [B][COLOR=#ff0000]numdisp.setChar(_dispnum,placeval++,'-',false);[/COLOR][/B] [COLOR=#ff0000]}[/COLOR] [COLOR=#ff0000]for (placeval=placeval;placeval<8;placeval++) {[/COLOR] [B][COLOR=#ff0000]numdisp.setChar(_dispnum,placeval,' ',false);[/COLOR][/B] [COLOR=#ff0000]}[/COLOR] [COLOR=#ff0000]//numdisp.setChar(_dispnum,7,c,false);[/COLOR] [COLOR=#ff0000]//digitalWrite(36+_dispnum,HIGH);[/COLOR] [COLOR=#ff0000]}[/COLOR] //-------------------------------------------------------------------------------------// boolean isEqual(double _var, double _valtotest) { return isEqual( _var, _valtotest, 0.001);//default tolerance is real low. } //----------------// boolean isEqual(double _var, double _valtotest, double _tolerance) { //tests if two values (e.g "if (x==_number)", but allowing floating point nums; //which have a habit of rounding errors. //(fabs(result - expectedResult) < 0.0001) if (fabs(_var - _valtotest) < _tolerance) return true; else return false; } //-------------------------------------------------------------------------------------// unsigned long exponent(unsigned long _base, int _exp) { //raises _base to the power of _exp //i.e. _base ^ _exp //example call: bignum=exponent(2,8); //bignum=2^8=256 if (_exp==0) return(1);//anything to the power of 0 = 1. if (_base<1) return(0);//only valid base num's please! (note: 0^x (x>0) is always zero anyway.) if (_exp<0) return(0);//no negative exponents! we call that 'division'. take that .... elsewhere! unsigned long result=1; for (int indx=1;indx<=_exp;indx++) { //exponent is multiple multiples... i.e. 10^5 == 10*10*10*10*10 //so loop that ....! if ((result*_base) < result) { result=0; break;//return 0 if overflow. } result=result*_base; }//end for return(result); //keep in mind, that if result > ~4x10^9 that result will overflow and give a garbage result. } //-------------------------------------------------------------------------------------// As I said before, this throws up these LedControlFunctions.ino: In function 'void printNumLEDnew(int, long int, char, int, int)': LedControlFunctions.ino:175:5: error: 'numdisp' was not declared in this scope LedControlFunctions.ino:189:1: error: 'numdisp' was not declared in this scope LedControlFunctions.ino:193:1: error: 'numdisp' was not declared in this scope LedControlFunctions.ino:196:1: error: 'numdisp' was not declared in this scope Error compiling byte buffer[256]; //address for temporary storage and parsing buffer uint8_t structSize; uint8_t rx_array_inx; //index for RX parsing buffer uint8_t calc_CS; //calculated Chacksum //This .... contains stuff borrowed from EasyTransfer lib boolean KSPBoardReceiveData() { if ((rx_len == 0)&&(Serial.available()>3)){ while(Serial.read()!= 0xBE) { if (Serial.available() == 0) return false; } if (Serial.read() == 0xEF){ rx_len = Serial.read(); id = Serial.read(); rx_array_inx = 1; switch(id) { case 0: structSize = sizeof(HPacket); address = (byte*)&HPacket; break; case 1: structSize = sizeof(VData); address = (byte*)&VData; break; } } //make sure the binary structs on both Arduinos are the same size. if(rx_len != structSize){ rx_len = 0; return false; } } if(rx_len != 0){ while(Serial.available() && rx_array_inx <= rx_len){ buffer[rx_array_inx++] = Serial.read(); } buffer[0] = id; if(rx_len == (rx_array_inx-1)){ //seem to have got whole message //last uint8_t is CS calc_CS = rx_len; for (int i = 0; i<rx_len; i++){ calc_CS^=buffer[i]; } if(calc_CS == buffer[rx_array_inx-1]){//CS good memcpy(address,buffer,structSize); rx_len = 0; rx_array_inx = 1; return true; } else{ //failed checksum, need to clear this out anyway rx_len = 0; rx_array_inx = 1; return false; } } } return false; } void KSPBoardSendData(uint8_t * address, uint8_t len){ uint8_t CS = len; Serial.write(0xBE); Serial.write(0xEF); Serial.write(len); for(int i = 0; i<len; i++){ CS^=*(address+i); Serial.write(*(address+i)); } Serial.write(CS); } uint8_t rx_len;uint8_t * address; controlTime = now - controlTimeOld; if (controlTime > CONTROLREFRESH){ controlTimeOld = now; controls(); } } void controls() { if (Connected) { if (digitalRead(SASPIN)) //--------- This is how you do main controls {MainControls(SAS, HIGH);} else {MainControls(SAS, LOW);} if (digitalRead(RCSPIN)) MainControls(RCS, HIGH); else MainControls(RCS, LOW); if (digitalRead(CG1PIN)) //--------- This is how you do control groups ControlGroups(1, HIGH); else ControlGroups(1, LOW); //This is an example of reading analog inputs to an axis, with deadband and limits //AVAKTIVERAD CPacket.Throttle = constrain(map(analogRead(THROTTLEPIN),THROTTLEDB,1024-THROTTLEDB,0,1000),0, 1000); KSPBoardSendData(details(CPacket)); } } void controlsInit() { pinMode(SASPIN, INPUT_PULLUP); pinMode(RCSPIN, INPUT_PULLUP); pinMode(CG1PIN, INPUT_PULLUP); } void MainControls(byte n, boolean s) { if (s) CPacket.MainControls |= (1 << n); // forces nth bit of x to be 1. all other bits left alone. else CPacket.MainControls &= ~(1 << n); // forces nth bit of x to be 0. all other bits left alone. } void ControlGroups(byte n, boolean s) { if (s) CPacket.ControlGroup |= (1 << n); // forces nth bit of x to be 1. all other bits left alone. else CPacket.ControlGroup &= ~(1 << n); // forces nth bit of x to be 0. all other bits left alone. } void output() { now = millis(); CLK=6 GREEN DIN=7 ORANGE1 */ //RADAR ALT------------------------------------------------------------------------------------ if (VData.RAlt < 100) { printNumLED(0, (long)(VData.RAlt*10), ' ',1); //Below 100m, print with 1 decimal. } else if (VData.RAlt <10000){ printNumLED(0, (long)(VData.RAlt), ' ',0); //Above 100m, print without decimals. } else if (VData.RAlt > 10000) { //Above 10000m, print H16H (high) lc.setChar(0,3,'H',false); lc.setChar(0,2,'1',false); lc.setChar(0,1,'6',false); lc.setChar(0,0,'H',false);} //RADAR ALT---------------------------------------------------------------------------------------------- //FUEL PERCENTAGE --------------------------------------------------------------------------------- /* if (VData.LiquidFuel/VData.LiquidFuelTot==1) //When stage is full, print "FULL" { lc.setChar(0,3,'F',false); lc.setRow(0,2,62); //62= Capital U lc.setChar(0,1,'L',false); lc.setChar(0,0,'L',false); } else if(VData.LiquidFuel/VData.LiquidFuelTot<1) { //When stage is not full, print stage fuel % printNumLED(0, (long)(VData.LiquidFuel/VData.LiquidFuelTot*10000),' ', 2); } else if(VData.LiquidFuel<=0){ //When stage is 0 or below (SIC) print "null" lc.setRow(0,3,0x15); // "n" lc.setRow(0,2,0x1c); // "u" lc.setChar(0,1,'1',false); // "l" lc.setChar(0,0,'1',false);} // "l" //the null print is because when you drop the last tank before it is empty, wierd negative //numbers can appear appear. With this, the display will show null instead of these numbers. */ //FUEL PERCENTAGE-------------------------------------------------------------------------------------------- //printNumLED(0, (long)(VData.Alt/1000*1000),'0',2);//will display apoapsis, with the decimal point separating km and m. caution = 0; warning = 0; caution += VData.G > GCAUTION; warning += VData.G > GWARN; caution += VData.LiquidFuelS/VData.LiquidFuelTotS*100 < FUELCAUTION; warning += VData.LiquidFuelS/VData.LiquidFuelTotS*100 < FUELWARN; if (caution != 0) digitalWrite(YLED,HIGH); else digitalWrite(YLED,LOW); if (warning != 0) digitalWrite(RLED,HIGH); else digitalWrite(RLED,LOW); digitalWrite(SASLED,ControlStatus(AGSAS)); digitalWrite(RCSLED,ControlStatus(AGRCS)); digitalWrite(CG1LED,ControlStatus(AGCustom01)); } void initLEDS() { pinMode(GLED,OUTPUT); digitalWrite(GLED,HIGH); pinMode(YLED,OUTPUT); digitalWrite(YLED,HIGH); pinMode(RLED,OUTPUT); digitalWrite(RLED,HIGH); pinMode(SASLED,OUTPUT); digitalWrite(SASLED,HIGH); pinMode(RCSLED,OUTPUT); digitalWrite(RCSLED,HIGH); pinMode(CG1LED,OUTPUT); digitalWrite(CG1LED,HIGH); } void LEDSAllOff() { digitalWrite(GLED,LOW); digitalWrite(YLED,LOW); digitalWrite(RLED,LOW); digitalWrite(SASLED,LOW); digitalWrite(RCSLED,LOW); digitalWrite(CG1LED,LOW); } void InitTxPackets() { HPacket.id = 0; CPacket.id = 101; } void Indicators() {/* CS=5 YELLOW I would really appreciate if someone has the time and energy to help me solve this. It's really frustrating not to be able to find out what's wrong by myself.
