version 5.0.7

My 1st commit, be gentle

DCCACK.cpp

@@ -351,7 +351,7 @@ void DCCACK::callback(int value) {
 
     switch (callbackState) {
       case AFTER_READ:
-         if (ackManagerRejoin && autoPowerOff) {
+         if (ackManagerRejoin && !autoPowerOff) {
                 progDriver->setPower(POWERMODE::OFF);
                 callbackStart=millis();
                 callbackState=WAITING_30;

DCCEXParser.cpp

@@ -25,6 +25,79 @@
  *  You should have received a copy of the GNU General Public License
  *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
  */
+
+/*
+List of single character OPCODEs in use for reference.
+
+When determining a new OPCODE for a new feature, refer to this list as the source of truth.
+
+Once a new OPCODE is decided upon, update this list.
+
+  Character, Usage
+  /, |EX-R| interactive commands
+  -, Remove from reminder table
+  =, |TM| configuration
+  !, Emergency stop
+  @, Reserved for future use - LCD messages to JMRI
+  #, Request number of supported cabs/locos; heartbeat
+  +, WiFi AT commands
+  ?, Reserved for future use
+  0, Track power off
+  1, Track power on
+  a, DCC accessory control
+  A,
+  b, Write CV bit on main
+  B, Write CV bit
+  c, Request current command
+  C,
+  d,
+  D, Diagnostic commands
+  e, Erase EEPROM
+  E, Store configuration in EEPROM
+  f, Loco decoder function control (deprecated)
+  F, Loco decoder function control
+  g,
+  G,
+  h,
+  H, Turnout state broadcast
+  i, Reserved for future use - Turntable object broadcast
+  I, Reserved for future use - Turntable object command and control
+  j, Throttle responses
+  J, Throttle queries
+  k, Reserved for future use - Potentially Railcom
+  K, Reserved for future use - Potentially Railcom
+  l, Loco speedbyte/function map broadcast
+  L,
+  m,
+  M, Write DCC packet
+  n,
+  N,
+  o,
+  O, Output broadcast
+  p, Broadcast power state
+  P, Write DCC packet
+  q, Sensor deactivated
+  Q, Sensor activated
+  r, Broadcast address read on programming track
+  R, Read CVs
+  s, Display status
+  S, Sensor configuration
+  t, Cab/loco update command
+  T, Turnout configuration/control
+  u, Reserved for user commands
+  U, Reserved for user commands
+  v,
+  V, Verify CVs
+  w, Write CV on main
+  W, Write CV
+  x,
+  X, Invalid command
+  y,
+  Y, Output broadcast
+  z,
+  Z, Output configuration/control
+*/
+
 #include "StringFormatter.h"
 #include "DCCEXParser.h"
 #include "DCC.h"
@@ -48,7 +121,7 @@
     for (int16_t i=0;;i+=sizeof(flashList[0])) {                            \
         int16_t value=GETHIGHFLASHW(flashList,i);       \
         if (value==INT16_MAX) break;                            \
-        if (value != 0) StringFormatter::send(stream,F(" %d"),value);	\
+        StringFormatter::send(stream,F(" %d"),value);	\
     }                                   
 
 
@@ -219,6 +292,9 @@ void DCCEXParser::parse(Print *stream,  byte *com,  RingStream *ringStream) {
 
 void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
 {
+#ifdef DISABLE_PROG
+    (void)ringStream;
+#endif
 #ifndef DISABLE_EEPROM
     (void)EEPROM; // tell compiler not to warn this is unused
 #endif
@@ -653,11 +729,15 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
                     SENDFLASHLIST(stream,RMFT2::rosterIdList)
                 }
                 else {
-		  const FSH * functionNames= RMFT2::getRosterFunctions(id);
-		  StringFormatter::send(stream,F(" %d \"%S\" \"%S\""), 
-					id, RMFT2::getRosterName(id),
-					functionNames == NULL ? RMFT2::getRosterFunctions(0) : functionNames);
-		}
+                    auto rosterName= RMFT2::getRosterName(id);
+                    if (!rosterName) rosterName=F("");
+
+                    auto functionNames= RMFT2::getRosterFunctions(id);
+                    if (!functionNames) functionNames=RMFT2::getRosterFunctions(0);
+                    if (!functionNames) functionNames=F("");
+                    StringFormatter::send(stream,F(" %d \"%S\" \"%S\""), 
+					                            id, rosterName, functionNames);
+                }
 #endif          
                 StringFormatter::send(stream, F(">\n"));      
                 return; 
@@ -909,7 +989,7 @@ bool DCCEXParser::parseD(Print *stream, int16_t params, int16_t p[])
 
     case HASH_KEYWORD_RAM: // <D RAM>
         StringFormatter::send(stream, F("Free memory=%d\n"), DCCTimer::getMinimumFreeMemory());
-        break;
+        return true;
 
 #ifndef DISABLE_PROG
     case HASH_KEYWORD_ACK: // <D ACK ON/OFF> <D ACK [LIMIT|MIN|MAX|RETRY] Value>

DCCTimerESP.cpp

@@ -180,8 +180,8 @@ void DCCTimer::DCCEXanalogWrite(uint8_t pin, int value) {
           return;
       }
       pin_to_channel[pin] = --cnt_channel;
-      ledcAttachPin(pin, cnt_channel);
       ledcSetup(cnt_channel, 1000, 8);
+      ledcAttachPin(pin, cnt_channel);
     } else {
       ledcAttachPin(pin, pin_to_channel[pin]);
     }

DCCTimerSTM32.cpp

@@ -35,7 +35,7 @@
 #endif
 #include "DIAG.h"
 
-#if defined(ARDUINO_NUCLEO_F411RE)
+#if defined(ARDUINO_NUCLEO_F401RE) || defined(ARDUINO_NUCLEO_F411RE)
 // Nucleo-64 boards don't have additional serial ports defined by default
 HardwareSerial Serial1(PB7, PA15);  // Rx=PB7, Tx=PA15 -- CN7 pins 17 and 21 - F411RE
 // Serial2 is defined to use USART2 by default, but is in fact used as the diag console
@@ -52,7 +52,7 @@ HardwareSerial Serial6(PA12, PA11);  // Rx=PA12, Tx=PA11 -- CN10 pins 12 and 14
 HardwareSerial Serial3(PC11, PC10);  // Rx=PC11, Tx=PC10 -- USART3 - F446RE
 HardwareSerial Serial5(PD2, PC12);  // Rx=PC7, Tx=PC6 -- UART5 - F446RE
 // On the F446RE, Serial4 and Serial6 also use pins we can't readily map while using the Arduino pins
-#elif defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
+#elif defined(ARDUINO_NUCLEO_F413ZH) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)|| defined(ARDUINO_NUCLEO_F412ZG) 
 // Nucleo-144 boards don't have Serial1 defined by default
 HardwareSerial Serial6(PG9, PG14);  // Rx=PG9, Tx=PG14 -- USART6
 // Serial3 is defined to use USART3 by default, but is in fact used as the diag console

EXRAILMacros.h

@@ -172,6 +172,8 @@ void  RMFT2::printMessage(uint16_t id) {
 #include "EXRAIL2MacroReset.h"
 #undef TURNOUT
 #define TURNOUT(id,addr,subaddr,description...) O_DESC(id,description)
+#undef TURNOUTL
+#define TURNOUTL(id,addr,description...) O_DESC(id,description)
 #undef PIN_TURNOUT
 #define PIN_TURNOUT(id,pin,description...) O_DESC(id,description)
 #undef SERVO_TURNOUT

GITHUB_SHA.h

@@ -1 +1 @@
-#define GITHUB_SHA "devel-202307091003Z"
+#define GITHUB_SHA "3bddf4d"

IO_PCA9555.h

@@ -0,0 +1,112 @@
+/*
+ *  © 2021, Neil McKechnie. All rights reserved.
+ *  
+ *  This file is part of DCC++EX API
+ *
+ *  This is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  It 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with CommandStation.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef io_pca9555_h
+#define io_pca9555_h
+
+#include "IO_GPIOBase.h"
+#include "FSH.h"
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+/*
+ * IODevice subclass for PCA9555 16-bit I/O expander (NXP & Texas Instruments).
+ */
+ 
+class PCA9555 : public GPIOBase<uint16_t> {
+public:
+  static void create(VPIN vpin, int nPins, uint8_t I2CAddress, int interruptPin=-1) {
+    new PCA9555(vpin, min(nPins,16), I2CAddress, interruptPin);
+  }
+  
+  // Constructor
+  PCA9555(VPIN vpin, int nPins, uint8_t I2CAddress, int interruptPin=-1) 
+    : GPIOBase<uint16_t>((FSH *)F("PCA9555"), vpin, nPins, I2CAddress, interruptPin) 
+  {
+    requestBlock.setRequestParams(_I2CAddress, inputBuffer, sizeof(inputBuffer),
+      outputBuffer, sizeof(outputBuffer));
+    outputBuffer[0] = REG_INPUT_P0;
+  }
+
+private:
+  void _writeGpioPort() override {
+    I2CManager.write(_I2CAddress, 3, REG_OUTPUT_P0, _portOutputState, _portOutputState>>8);
+  }
+  void _writePullups() override {
+    // Do nothing, pull-ups are always in place for input ports
+    // This function is here for HAL GPIOBase API compatibilitiy
+      
+  }
+  void _writePortModes() override {
+    // Write 0 to REG_CONF_P0 & REG_CONF_P1 for in-use pins that are outputs, 1 for others.
+    // PCA9555 & TCA9555, Interrupt is always enabled for raising and falling edge
+    uint16_t temp = ~(_portMode & _portInUse);
+    I2CManager.write(_I2CAddress, 3, REG_CONF_P0, temp, temp>>8);    
+  }
+  void _readGpioPort(bool immediate) override {
+    if (immediate) {
+      uint8_t buffer[2];
+      I2CManager.read(_I2CAddress, buffer, 2, 1, REG_INPUT_P0);
+      _portInputState = ((uint16_t)buffer[1]<<8) | buffer[0];
+      /* PCA9555 Int bug fix, from PCA9555 datasheet: "must change command byte to something besides 00h 
+       * after a Read operation to the PCA9555 device or before reading from 
+       * another device"
+       * Recommended solution, read from REG_OUTPUT_P0, then do nothing with the received data
+       * Issue not seen during testing, uncomment if needed 
+       */
+      //I2CManager.read(_I2CAddress, buffer, 2, 1, REG_OUTPUT_P0);
+    } else {
+      // Queue new request
+      requestBlock.wait(); // Wait for preceding operation to complete
+      // Issue new request to read GPIO register
+      I2CManager.queueRequest(&requestBlock);
+    }
+  }
+  // This function is invoked when an I/O operation on the requestBlock completes.
+  void _processCompletion(uint8_t status) override {
+    if (status == I2C_STATUS_OK) 
+      _portInputState = ((uint16_t)inputBuffer[1]<<8) | inputBuffer[0];
+    else  
+      _portInputState = 0xffff;
+  }
+
+  void _setupDevice() override {
+    // HAL API calls
+    _writePortModes();
+    _writePullups();
+    _writeGpioPort();
+  }
+ 
+  uint8_t inputBuffer[2];
+  uint8_t outputBuffer[1];
+ 
+
+  enum {
+    REG_INPUT_P0 = 0x00,
+    REG_INPUT_P1 = 0x01,
+    REG_OUTPUT_P0 = 0x02,
+    REG_OUTPUT_P1 = 0x03,
+    REG_POL_INV_P0 = 0x04,
+    REG_POL_INV_P1 = 0x05,
+    REG_CONF_P0 = 0x06,
+    REG_CONF_P1 = 0x07,    
+  };
+
+};
+
+#endif

MotorDriver.cpp

@@ -278,6 +278,7 @@ void MotorDriver::startCurrentFromHW() {
 #endif //ANALOG_READ_INTERRUPT
 
 #if defined(ARDUINO_ARCH_ESP32)
+#ifdef VARIABLE_TONES
 uint16_t taurustones[28] = { 165, 175, 196, 220,
 			     247, 262, 294, 330,
 			     349, 392, 440, 494,
@@ -286,17 +287,43 @@ uint16_t taurustones[28] = { 165, 175, 196, 220,
 			     330, 284, 262, 247,
 			     220, 196, 175, 165 };
 #endif
+#endif
 void MotorDriver::setDCSignal(byte speedcode) {
   if (brakePin == UNUSED_PIN)
     return;
+  switch(brakePin) {
 #if defined(ARDUINO_AVR_UNO)
-  TCCR2B = (TCCR2B & B11111000) | B00000110; // set divisor on timer 2 to result in (approx) 122.55Hz
+    // Not worth doin something here as:
+    // If we are on pin 9 or 10 we are on Timer1 and we can not touch Timer1 as that is our DCC source.
+    // If we are on pin 5 or 6 we are on Timer 0 ad we can not touch Timer0 as that is millis() etc.
+    // We are most likely not on pin 3 or 11 as no known motor shield has that as brake.
 #endif
 #if defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)
-  TCCR2B = (TCCR2B & B11111000) | B00000110; // set divisor on timer 2 to result in (approx) 122.55Hz
-  TCCR4B = (TCCR4B & B11111000) | B00000100; // same for timer 4 but maxcount and thus divisor differs
-  TCCR5B = (TCCR5B & B11111000) | B00000100; // same for timer 5 which is like timer 4
+  case 9:
+  case 10:
+    // Timer2 (is differnet)
+    TCCR2A = (TCCR2A & B11111100) | B00000001; // set WGM1=0 and WGM0=1 phase correct PWM
+    TCCR2B = (TCCR2B & B11110000) | B00000110; // set WGM2=0 ; set divisor on timer 2 to 1/256 for 122.55Hz
+    //DIAG(F("2 A=%x B=%x"), TCCR2A, TCCR2B);
+    break;
+  case 6:
+  case 7:
+  case 8:
+    // Timer4
+    TCCR4A = (TCCR4A & B11111100) | B00000001; // set WGM0=1 and WGM1=0 for normal PWM 8-bit
+    TCCR4B = (TCCR4B & B11100000) | B00000100; // set WGM2=0 and WGM3=0 for normal PWM 8 bit and div 1/256 for 122.55Hz
+    break;
+  case 46:
+  case 45:
+  case 44:
+    // Timer5
+    TCCR5A = (TCCR5A & B11111100) | B00000001; // set WGM0=1 and WGM1=0 for normal PWM 8-bit
+    TCCR5B = (TCCR5B & B11100000) | B00000100; // set WGM2=0 and WGM3=0 for normal PWM 8 bit and div 1/256 for 122.55Hz
+    break;
 #endif
+  default:
+    break;
+  }
   // spedcoode is a dcc speed & direction
   byte tSpeed=speedcode & 0x7F; // DCC Speed with 0,1 stop and speed steps 2 to 127
   byte tDir=speedcode & 0x80;
@@ -304,11 +331,13 @@ void MotorDriver::setDCSignal(byte speedcode) {
 #if defined(ARDUINO_ARCH_ESP32)
   {
     int f = 131;
+#ifdef VARIABLE_TONES
     if (tSpeed > 2) {
       if (tSpeed <= 58) {
 	f = taurustones[ (tSpeed-2)/2 ] ;
       }
     }
+#endif
     DCCTimer::DCCEXanalogWriteFrequency(brakePin, f); // set DC PWM frequency to 100Hz XXX May move to setup
   }
 #endif
@@ -347,7 +376,60 @@ void MotorDriver::setDCSignal(byte speedcode) {
     interrupts();
   }
 }
-
+void MotorDriver::throttleInrush(bool on) {
+  if (brakePin == UNUSED_PIN)
+    return;
+  if ( !(trackMode & (TRACK_MODE_MAIN | TRACK_MODE_PROG | TRACK_MODE_EXT)))
+    return;
+  byte duty = on ? 208 : 0;
+  if (invertBrake)
+    duty = 255-duty;
+#if defined(ARDUINO_ARCH_ESP32)
+  if(on) {
+    DCCTimer::DCCEXanalogWrite(brakePin,duty);
+    DCCTimer::DCCEXanalogWriteFrequency(brakePin, 62500);
+  } else {
+    ledcDetachPin(brakePin);
+  }
+#else
+  if(on){
+    switch(brakePin) {
+#if defined(ARDUINO_AVR_UNO)
+      // Not worth doin something here as:
+      // If we are on pin 9 or 10 we are on Timer1 and we can not touch Timer1 as that is our DCC source.
+      // If we are on pin 5 or 6 we are on Timer 0 ad we can not touch Timer0 as that is millis() etc.
+      // We are most likely not on pin 3 or 11 as no known motor shield has that as brake.
+#endif
+#if defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)
+    case 9:
+    case 10:
+      // Timer2 (is different)
+      TCCR2A = (TCCR2A & B11111100) | B00000011; // set WGM0=1 and WGM1=1 for fast PWM
+      TCCR2B = (TCCR2B & B11110000) | B00000001; // set WGM2=0 and prescaler div=1 (max)
+      DIAG(F("2 A=%x B=%x"), TCCR2A, TCCR2B);
+      break;
+    case 6:
+    case 7:
+    case 8:
+      // Timer4
+      TCCR4A = (TCCR4A & B11111100) | B00000001; // set WGM0=1 and WGM1=0 for fast PWM 8-bit
+      TCCR4B = (TCCR4B & B11100000) | B00001001; // set WGM2=1 and WGM3=0 for fast PWM 8 bit and div=1 (max)
+      break;
+    case 46:
+    case 45:
+    case 44:
+      // Timer5
+      TCCR5A = (TCCR5A & B11111100) | B00000001; // set WGM0=1 and WGM1=0 for fast PWM 8-bit
+      TCCR5B = (TCCR5B & B11100000) | B00001001; // set WGM2=1 and WGM3=0 for fast PWM 8 bit and div=1 (max)
+      break;
+#endif
+    default:
+      break;
+    }
+  }
+  analogWrite(brakePin,duty);
+#endif
+}
 unsigned int MotorDriver::raw2mA( int raw) {
   //DIAG(F("%d = %d * %d / %d"), (int32_t)raw * senseFactorInternal / senseScale, raw, senseFactorInternal, senseScale);
   return (int32_t)raw * senseFactorInternal / senseScale;
@@ -473,29 +555,31 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
   case POWERMODE::ALERT: {
     // set local flags that handle how much is output to diag (do not output duplicates)
     bool notFromOverload = (lastPowerMode != POWERMODE::OVERLOAD);
-    bool newPowerMode = (powerMode != lastPowerMode);
+    bool powerModeChange = (powerMode != lastPowerMode);
     unsigned long now = micros();
-    if (newPowerMode)
+    if (powerModeChange)
       lastBadSample = now;
     lastPowerMode = POWERMODE::ALERT;
     // check how long we have been in this state
     unsigned long mslpc = microsSinceLastPowerChange(POWERMODE::ALERT);
     if(checkFault()) {
+      throttleInrush(true);
       lastBadSample = now;
       unsigned long timeout = checkCurrent(useProgLimit) ? POWER_SAMPLE_IGNORE_FAULT_HIGH : POWER_SAMPLE_IGNORE_FAULT_LOW;
       if ( mslpc < timeout) {
-	if (newPowerMode)
+	if (powerModeChange)
 	  DIAG(F("TRACK %c FAULT PIN (%M ignore)"), trackno + 'A', timeout);
 	break;
       }
       DIAG(F("TRACK %c FAULT PIN detected after %4M. Pause %4M)"), trackno + 'A', mslpc, power_sample_overload_wait);
+      throttleInrush(false);
       setPower(POWERMODE::OVERLOAD);
       break;
     }
     if (checkCurrent(useProgLimit)) {
       lastBadSample = now;
       if (mslpc < POWER_SAMPLE_IGNORE_CURRENT) {
-	if (newPowerMode) {
+	if (powerModeChange) {
 	  unsigned int mA=raw2mA(lastCurrent);
 	  DIAG(F("TRACK %c CURRENT (%M ignore) %dmA"), trackno + 'A', POWER_SAMPLE_IGNORE_CURRENT, mA);
 	}
@@ -505,6 +589,7 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
       unsigned int maxmA=raw2mA(tripValue);
       DIAG(F("TRACK %c POWER OVERLOAD %4dmA (max %4dmA) detected after %4M. Pause %4M"),
 	   trackno + 'A', mA, maxmA, mslpc, power_sample_overload_wait);
+      throttleInrush(false);
       setPower(POWERMODE::OVERLOAD);
       break;
     }
@@ -515,6 +600,7 @@ void MotorDriver::checkPowerOverload(bool useProgLimit, byte trackno) {
 	unsigned int mA=raw2mA(lastCurrent);
 	DIAG(F("TRACK %c NORMAL (after %M/%M) %dmA"), trackno + 'A', goodtime, mslpc, mA);
       }
+      throttleInrush(false);
       setPower(POWERMODE::ON);
     }
     break;

MotorDriver.h

@@ -27,6 +27,10 @@
 #include "IODevice.h"
 #include "DCCTimer.h"
 
+// use powers of two so we can do logical and/or on the track modes in if clauses.
+enum TRACK_MODE : byte {TRACK_MODE_NONE = 1, TRACK_MODE_MAIN = 2, TRACK_MODE_PROG = 4,
+                        TRACK_MODE_DC = 8, TRACK_MODE_DCX = 16, TRACK_MODE_EXT = 32};
+
 #define setHIGH(fastpin)  *fastpin.inout |= fastpin.maskHIGH
 #define setLOW(fastpin)   *fastpin.inout &= fastpin.maskLOW
 #define isHIGH(fastpin)   (*fastpin.inout & fastpin.maskHIGH)
@@ -145,6 +149,7 @@ class MotorDriver {
     };
     inline pinpair getSignalPin() { return pinpair(signalPin,signalPin2); };
     void setDCSignal(byte speedByte);
+    void throttleInrush(bool on);
     inline void detachDCSignal() {
 #if defined(__arm__)
       pinMode(brakePin, OUTPUT);
@@ -203,6 +208,12 @@ class MotorDriver {
     bool sampleCurrentFromHW();
     void startCurrentFromHW();
 #endif
+  inline void setMode(TRACK_MODE m) {
+    trackMode = m;
+  };
+  inline TRACK_MODE getMode() {
+    return trackMode;
+  };
   private:
     char trackLetter = '?';
     bool isProgTrack = false; // tells us if this is a prog track
@@ -279,6 +290,7 @@ class MotorDriver {
     static const int TRIP_CURRENT_PROG=250;
     unsigned long power_sample_overload_wait = POWER_SAMPLE_OVERLOAD_WAIT;
     unsigned int power_good_counter = 0;
+    TRACK_MODE trackMode = TRACK_MODE_NONE; // we assume track not assigned at startup
 
 };
 #endif

TrackManager.cpp

@@ -31,20 +31,20 @@
     
 #define APPLY_BY_MODE(findmode,function) \
         FOR_EACH_TRACK(t) \
-            if (trackMode[t]==findmode) \
+	    if (track[t]->getMode()==findmode)	\
                 track[t]->function;
 #ifndef DISABLE_PROG
 const int16_t HASH_KEYWORD_PROG = -29718;
 #endif
 const int16_t HASH_KEYWORD_MAIN = 11339;
 const int16_t HASH_KEYWORD_OFF = 22479;  
+const int16_t HASH_KEYWORD_NONE = -26550;
 const int16_t HASH_KEYWORD_DC = 2183;  
 const int16_t HASH_KEYWORD_DCX = 6463; // DC reversed polarity 
 const int16_t HASH_KEYWORD_EXT = 8201; // External DCC signal
 const int16_t HASH_KEYWORD_A = 65; // parser makes single chars the ascii.   
 
 MotorDriver * TrackManager::track[MAX_TRACKS];
-TRACK_MODE TrackManager::trackMode[MAX_TRACKS];
 int16_t TrackManager::trackDCAddr[MAX_TRACKS];
 
 POWERMODE TrackManager::mainPowerGuess=POWERMODE::OFF;
@@ -53,7 +53,7 @@ bool TrackManager::progTrackSyncMain=false;
 bool TrackManager::progTrackBoosted=false; 
 int16_t TrackManager::joinRelay=UNUSED_PIN;
 #ifdef ARDUINO_ARCH_ESP32
-byte TrackManager::tempProgTrack=MAX_TRACKS+1;
+byte TrackManager::tempProgTrack=MAX_TRACKS+1; // MAX_TRACKS+1 is the unused flag
 #endif
 
 #ifdef ANALOG_READ_INTERRUPT
@@ -74,7 +74,7 @@ void TrackManager::sampleCurrent() {
     waiting = false;
     tr++;
     if (tr > lastTrack) tr = 0;
-    if (lastTrack < 2 || trackMode[tr] & TRACK_MODE_PROG) {
+    if (lastTrack < 2 || track[tr]->getMode() & TRACK_MODE_PROG) {
       return; // We could continue but for prog track we
               // rather do it in next interrupt beacuse
               // that gives us well defined sampling point.
@@ -85,7 +85,7 @@ void TrackManager::sampleCurrent() {
   if (!waiting) {
     // look for a valid track to sample or until we are around
     while (true) {
-      if (trackMode[tr] & ( TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_DCX|TRACK_MODE_EXT )) {
+      if (track[tr]->getMode() & ( TRACK_MODE_MAIN|TRACK_MODE_PROG|TRACK_MODE_DC|TRACK_MODE_DCX|TRACK_MODE_EXT )) {
 	track[tr]->startCurrentFromHW();
 	// for scope debug track[1]->setBrake(1);
 	waiting = true;
@@ -138,10 +138,10 @@ void TrackManager::Setup(const FSH * shieldname,
 }
 
 void TrackManager::addTrack(byte t, MotorDriver* driver) {
-     trackMode[t]=TRACK_MODE_OFF;
      track[t]=driver;
      if (driver) {
          track[t]->setPower(POWERMODE::OFF);
+         track[t]->setMode(TRACK_MODE_NONE);
 	 track[t]->setTrackLetter('A'+t);
          lastTrack=t;
      } 
@@ -182,22 +182,27 @@ void TrackManager::setPROGSignal( bool on) {
 // with interrupts turned off around the critical section
 void TrackManager::setDCSignal(int16_t cab, byte speedbyte) {
   FOR_EACH_TRACK(t) {
-    if (trackDCAddr[t]!=cab) continue;
-    if (trackMode[t]==TRACK_MODE_DC) track[t]->setDCSignal(speedbyte);
-    else if (trackMode[t]==TRACK_MODE_DCX) track[t]->setDCSignal(speedbyte ^ 128);
+    if (trackDCAddr[t]!=cab && cab != 0) continue;
+    if (track[t]->getMode()==TRACK_MODE_DC) track[t]->setDCSignal(speedbyte);
+    else if (track[t]->getMode()==TRACK_MODE_DCX) track[t]->setDCSignal(speedbyte ^ 128);
   }
 }    
 
 bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr) {
     if (trackToSet>lastTrack || track[trackToSet]==NULL) return false;
 
-    //DIAG(F("Track=%c"),trackToSet+'A');
+    //DIAG(F("Track=%c Mode=%d"),trackToSet+'A', mode);
     // DC tracks require a motorDriver that can set brake!
-    if ((mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX)
-         && !track[trackToSet]->brakeCanPWM()) {
-             DIAG(F("Brake pin can't PWM: No DC"));
-             return false; 
-         }
+    if (mode==TRACK_MODE_DC || mode==TRACK_MODE_DCX) {
+#if defined(ARDUINO_AVR_UNO)
+      DIAG(F("Uno has no PWM timers available for DC"));
+      return false;
+#endif
+      if (!track[trackToSet]->brakeCanPWM()) {
+	DIAG(F("Brake pin can't PWM: No DC"));
+	return false;
+      }
+    }
 
 #ifdef ARDUINO_ARCH_ESP32
     // remove pin from MUX matrix and turn it off
@@ -218,9 +223,9 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 #endif
       // only allow 1 track to be prog
       FOR_EACH_TRACK(t)
-	if (trackMode[t]==TRACK_MODE_PROG && t != trackToSet) {
+	if (track[t]->getMode()==TRACK_MODE_PROG && t != trackToSet) {
 	  track[t]->setPower(POWERMODE::OFF);
-	  trackMode[t]=TRACK_MODE_OFF;
+	  track[t]->setMode(TRACK_MODE_NONE);
 	  track[t]->makeProgTrack(false);     // revoke prog track special handling
     streamTrackState(NULL,t);
 	}
@@ -228,7 +233,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
     } else {
       track[trackToSet]->makeProgTrack(false); // only the prog track knows it's type
     }
-    trackMode[trackToSet]=mode;
+    track[trackToSet]->setMode(mode);
     trackDCAddr[trackToSet]=dcAddr;
     streamTrackState(NULL,trackToSet);
 
@@ -255,7 +260,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
       // DC tracks must not have the DCC PWM switched on
       // so we globally turn it off if one of the PWM
       // capable tracks is now DC or DCX.
-      if (trackMode[t]==TRACK_MODE_DC || trackMode[t]==TRACK_MODE_DCX) {
+      if (track[t]->getMode()==TRACK_MODE_DC || track[t]->getMode()==TRACK_MODE_DCX) {
 	if (track[t]->isPWMCapable()) {
 	  canDo=false;    // this track is capable but can not run PWM
 	  break;          // in this mode, so abort and prevent globally below
@@ -263,7 +268,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 	  track[t]->trackPWM=false; // this track sure can not run with PWM
 	  //DIAG(F("Track %c trackPWM 0 (not capable)"), t+'A');
 	}
-      } else if (trackMode[t]==TRACK_MODE_MAIN || trackMode[t]==TRACK_MODE_PROG) {
+      } else if (track[t]->getMode()==TRACK_MODE_MAIN || track[t]->getMode()==TRACK_MODE_PROG) {
 	track[t]->trackPWM = track[t]->isPWMCapable(); // trackPWM is still a guess here
 	//DIAG(F("Track %c trackPWM %d"), t+'A', track[t]->trackPWM);
 	canDo &= track[t]->trackPWM;
@@ -301,7 +306,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 
 void TrackManager::applyDCSpeed(byte t) {
   uint8_t speedByte=DCC::getThrottleSpeedByte(trackDCAddr[t]);
-  if (trackMode[t]==TRACK_MODE_DCX)
+  if (track[t]->getMode()==TRACK_MODE_DCX)
     speedByte = speedByte ^ 128; // reverse direction bit
   track[t]->setDCSignal(speedByte);
 }
@@ -328,8 +333,8 @@ bool TrackManager::parseJ(Print *stream, int16_t params, int16_t p[])
         return setTrackMode(p[0],TRACK_MODE_PROG);
 #endif
     
-    if (params==2  && p[1]==HASH_KEYWORD_OFF) // <= id OFF>
-        return setTrackMode(p[0],TRACK_MODE_OFF);
+    if (params==2  && (p[1]==HASH_KEYWORD_OFF || p[1]==HASH_KEYWORD_NONE)) // <= id OFF> <= id NONE>
+        return setTrackMode(p[0],TRACK_MODE_NONE);
 
     if (params==2  && p[1]==HASH_KEYWORD_EXT) // <= id EXT>
         return setTrackMode(p[0],TRACK_MODE_EXT);
@@ -347,7 +352,7 @@ void TrackManager::streamTrackState(Print* stream, byte t) {
   // null stream means send to commandDistributor for broadcast
   if (track[t]==NULL) return;
   auto format=F("");
-  switch(trackMode[t]) {
+  switch(track[t]->getMode()) {
   case TRACK_MODE_MAIN:
       format=F("<= %c MAIN>\n");
       break;
@@ -356,8 +361,8 @@ void TrackManager::streamTrackState(Print* stream, byte t) {
       format=F("<= %c PROG>\n");
       break;
 #endif
-  case TRACK_MODE_OFF:
-      format=F("<= %c OFF>\n");
+  case TRACK_MODE_NONE:
+      format=F("<= %c NONE>\n");
       break;
   case TRACK_MODE_EXT:
       format=F("<= %c EXT>\n");
@@ -387,13 +392,13 @@ void TrackManager::loop() {
     if (nextCycleTrack>lastTrack) nextCycleTrack=0;
     if (track[nextCycleTrack]==NULL) return;
     MotorDriver * motorDriver=track[nextCycleTrack];
-    bool useProgLimit=dontLimitProg? false: trackMode[nextCycleTrack]==TRACK_MODE_PROG;
+    bool useProgLimit=dontLimitProg? false: track[nextCycleTrack]->getMode()==TRACK_MODE_PROG;
     motorDriver->checkPowerOverload(useProgLimit, nextCycleTrack);   
 }
 
 MotorDriver * TrackManager::getProgDriver() {
     FOR_EACH_TRACK(t)
-        if (trackMode[t]==TRACK_MODE_PROG) return track[t];
+      if (track[t]->getMode()==TRACK_MODE_PROG) return track[t];
     return NULL;
 } 
 
@@ -401,7 +406,7 @@ MotorDriver * TrackManager::getProgDriver() {
 std::vector<MotorDriver *>TrackManager::getMainDrivers() {
   std::vector<MotorDriver *>  v;
   FOR_EACH_TRACK(t)
-    if (trackMode[t]==TRACK_MODE_MAIN) v.push_back(track[t]);
+    if (track[t]->getMode()==TRACK_MODE_MAIN) v.push_back(track[t]);
   return v;
 }
 #endif
@@ -411,7 +416,7 @@ void TrackManager::setPower2(bool setProg,POWERMODE mode) {
     FOR_EACH_TRACK(t) {
         MotorDriver * driver=track[t]; 
         if (!driver) continue; 
-        switch (trackMode[t]) {
+        switch (track[t]->getMode()) {
             case TRACK_MODE_MAIN:
                 if (setProg) break; 
                 // toggle brake before turning power on - resets overcurrent error
@@ -439,7 +444,7 @@ void TrackManager::setPower2(bool setProg,POWERMODE mode) {
 	        driver->setBrake(false);
 		driver->setPower(mode);
 	        break;
-            case TRACK_MODE_OFF:
+            case TRACK_MODE_NONE:
                 break;
         }
     }
@@ -447,8 +452,8 @@ void TrackManager::setPower2(bool setProg,POWERMODE mode) {
   
 POWERMODE TrackManager::getProgPower() {
     FOR_EACH_TRACK(t)
-        if (trackMode[t]==TRACK_MODE_PROG) 
-                return track[t]->getPower();
+      if (track[t]->getMode()==TRACK_MODE_PROG) 
+	return track[t]->getPower();
     return POWERMODE::OFF;   
   }
 
@@ -492,7 +497,7 @@ void TrackManager::setJoin(bool joined) {
 #ifdef ARDUINO_ARCH_ESP32
   if (joined) {
     FOR_EACH_TRACK(t) {
-      if (trackMode[t]==TRACK_MODE_PROG) {
+      if (track[t]->getMode()==TRACK_MODE_PROG) {
 	tempProgTrack = t;
 	setTrackMode(t, TRACK_MODE_MAIN);
 	break;
@@ -500,7 +505,12 @@ void TrackManager::setJoin(bool joined) {
     }
   } else {
     if (tempProgTrack != MAX_TRACKS+1) {
+      // as setTrackMode with TRACK_MODE_PROG defaults to
+      // power off, we will take the current power state
+      // of our track and then preserve that state.
+      POWERMODE tPTmode = track[tempProgTrack]->getPower(); //get current power status of this track
       setTrackMode(tempProgTrack, TRACK_MODE_PROG);
+      track[tempProgTrack]->setPower(tPTmode);              //set track status as it was before
       tempProgTrack = MAX_TRACKS+1;
     }
   }

TrackManager.h

@@ -27,10 +27,6 @@
 #include "MotorDriver.h"
 // Virtualised Motor shield multi-track hardware Interface
 
-// use powers of two so we can do logical and/or on the track modes in if clauses.
-enum TRACK_MODE : byte {TRACK_MODE_OFF = 1, TRACK_MODE_MAIN = 2, TRACK_MODE_PROG = 4,
-                        TRACK_MODE_DC = 8, TRACK_MODE_DCX = 16, TRACK_MODE_EXT = 32};
-
 // These constants help EXRAIL macros say SET_TRACK(2,mode) OR SET_TRACK(C,mode) etc.
 const byte TRACK_NUMBER_0=0, TRACK_NUMBER_A=0;    
 const byte TRACK_NUMBER_1=1, TRACK_NUMBER_B=1;    
@@ -100,7 +96,6 @@ class TrackManager {
     static POWERMODE mainPowerGuess;
     static void applyDCSpeed(byte t);
 
-    static TRACK_MODE trackMode[MAX_TRACKS]; 
     static int16_t trackDCAddr[MAX_TRACKS];  // dc address if TRACK_MODE_DC or TRACK_MODE_DCX
 #ifdef ARDUINO_ARCH_ESP32
     static byte tempProgTrack; // holds the prog track number during join

WifiInterface.cpp

@@ -60,7 +60,7 @@ Stream * WifiInterface::wifiStream;
 #if defined(ARDUINO_ARCH_STM32)
 // Handle serial ports availability on STM32 for variants!
 // #undef NUM_SERIAL
-#if defined(ARDUINO_NUCLEO_F411RE)
+#if defined(ARDUINO_NUCLEO_F401RE) || defined(ARDUINO_NUCLEO_F411RE)
 #define NUM_SERIAL 3
 #define SERIAL1 Serial1
 #define SERIAL3 Serial6
@@ -68,9 +68,11 @@ Stream * WifiInterface::wifiStream;
 #define NUM_SERIAL 3
 #define SERIAL1 Serial3
 #define SERIAL3 Serial5
-#elif defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
+#elif defined(ARDUINO_NUCLEO_F413ZH) || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE) || defined(ARDUINO_NUCLEO_F412ZG)
 #define NUM_SERIAL 2
 #define SERIAL1 Serial6
+#else
+#warning This variant of Nucleo not yet explicitly supported
 #endif
 #endif
 
@@ -198,7 +200,23 @@ wifiSerialState WifiInterface::setup2(const FSH* SSid, const FSH* password,
 
   // Display the AT version information
   StringFormatter::send(wifiStream, F("AT+GMR\r\n")); 
-  checkForOK(2000, true, false);      // Makes this visible on the console
+  if (checkForOK(2000, F("AT version:"), true, false)) {
+    char version[] = "0.0.0.0-xxx";
+    for (int i=0; i<11;i++) {
+      while(!wifiStream->available());
+      version[i]=wifiStream->read();
+      StringFormatter::printEscape(version[i]);
+    }
+    if ((version[0] == '0') ||
+	(version[0] == '2' && version[2] == '0') ||
+	(version[0] == '2' && version[2] == '2' && version[4] == '0' && version[6] == '0'
+	 && version[7] == '-' && version[8] == 'd' && version[9] == 'e' && version[10] == 'v')) {
+      DIAG(F("You need to up/downgrade the ESP firmware"));
+      SSid = F("UPDATE_ESP_FIRMWARE");
+      forceAP = true;
+    }
+  }
+  checkForOK(2000, true, false);
 
 #ifdef DONT_TOUCH_WIFI_CONF
   DIAG(F("DONT_TOUCH_WIFI_CONF was set: Using existing config"));

myHal.cpp_example.txt

@@ -24,6 +24,7 @@
 //#include "IO_TouchKeypad.h  // Touch keypad with 16 keys
 //#include "IO_EXTurntable.h"   // Turntable-EX turntable controller
 //#include "IO_EXFastClock.h"  // FastClock driver
+//#include "IO_PCA9555.h"     // 16-bit I/O expander (NXP & Texas Instruments).
 
 //==========================================================================
 // The function halSetup() is invoked from CS if it exists within the build.
@@ -51,7 +52,7 @@ void halSetup() {
   // Create a 20x4 LCD display device as display number 2 
   // (line 0 is written by EX-RAIL 'SCREEN(2, 0, "text")').
 
-  // HALDisplay<LiquidCrystal>(2, 0x27, 20, 4);
+  // HALDisplay<LiquidCrystal>::create(2, 0x27, 20, 4);
 
 
   //=======================================================================

version.h

@@ -3,7 +3,23 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "4.2.65"
+#define VERSION "5.0.7"
+// 5.0.7  - Only flag 2.2.0.0-dev as broken, not 2.2.0.0
+// 5.0.6  - Bugfix lost TURNOUTL description
+// 5.0.5  - Bugfix version detection logic and better message
+// 5.0.4  - Bugfix: <JR> misses default roster. 
+// 5.0.3  - Check bad AT firmware version
+// 5.0.2  - Bugfix: ESP32 30ms off time
+// 5.0.1  - Bugfix: execute 30ms off time before rejoin
+// 5.0.0  - Make 4.2.69 the 5.0.0 release
+// 4.2.69 - Bugfix: Make <!> work in DC mode
+// 4.2.68 - Rename track mode OFF to NONE
+// 4.2.67 - AVR: Pin specific timer register seting
+//        - Protect Uno user from choosing DC(X)
+//        - More Nucleo variant defines
+//        - GPIO PCA9555 / TCA9555 support
+// 4.2.66 - Throttle inrush current by applying PWM to brake pin when
+//          fault pin goes active
 // 4.2.65 - new config WIFI_FORCE_AP option
 // 4.2.63 - completely new overcurrent detection
 //        - ESP32 protect from race in RMT code