HAL write range

DCCEXParser.cpp

@@ -405,7 +405,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
             return;
           }
           if (params==2) {  // <o [-]vpin count> 
-            for (auto pix=vpin;pix<vpin+p[1];pix++)  IODevice::write(pix,setON);
+            IODevice::writeRange(vpin,setON,p[1]);
             return;
           }
           if (params==4 || params==5) { // <z [-]vpin r g b [count]>
@@ -416,7 +416,7 @@ void DCCEXParser::parseOne(Print *stream, byte *com, RingStream * ringStream)
             // strange parameter mangling... see IO_NeoPixel.h NeoPixel::_writeAnalogue
             int colour_RG=(p[1]<<8)  | p[2];
             uint16_t colour_B=p[3];
-            for (auto pix=vpin;pix<vpin+count;pix++) IODevice::writeAnalogue(pix,colour_RG,setON,colour_B);
+            IODevice::writeAnalogueRange(vpin,colour_RG,setON,colour_B,count);
             return;
             }
         }

EXRAIL2.cpp

@@ -478,10 +478,15 @@ bool RMFT2::skipIfBlock() {
 
 
 /* static */ void RMFT2::readLocoCallback(int16_t cv) {
+  if (cv <= 0) {
+    DIAG(F("CV read error"));
+    progtrackLocoId = -1;
+    return;
+  }
   if (cv & LONG_ADDR_MARKER) {               // maker bit indicates long addr
     progtrackLocoId = cv ^ LONG_ADDR_MARKER; // remove marker bit to get real long addr
     if (progtrackLocoId <= HIGHEST_SHORT_ADDR ) {     // out of range for long addr
-      DIAG(F("Long addr %d <= %d unsupported\n"), progtrackLocoId, HIGHEST_SHORT_ADDR);
+      DIAG(F("Long addr %d <= %d unsupported"), progtrackLocoId, HIGHEST_SHORT_ADDR);
       progtrackLocoId = -1;
     }
   } else {
@@ -921,11 +926,10 @@ void RMFT2::loop2() {
       delayMe(100);
       return; // still waiting for callback
     }
-    if (progtrackLocoId<0) {
-      kill(F("No Loco Found"),progtrackLocoId);
-      return; // still waiting for callback
-    }
     
+    // At failed read will result in loco == -1
+    // which is intended so it can be checked
+    // from within EXRAIL
     loco=progtrackLocoId;
     speedo=0;
     forward=true;
@@ -997,18 +1001,20 @@ void RMFT2::loop2() {
       return;
     }
     break;
-
+    
+#ifndef IO_NO_HAL
   case OPCODE_NEOPIXEL: 
     // OPCODE_NEOPIXEL,V([-]vpin),OPCODE_PAD,V(colour_RG),OPCODE_PAD,V(colour_B),OPCODE_PAD,V(count)
     { 
       VPIN vpin=operand>0?operand:-operand;
       auto count=getOperand(3);
-      for (auto pix=vpin;pix<vpin+count;pix++)
+      for (auto pix=vpin;pix<vpin+count;pix++) {
-         IODevice::writeAnalogue(pix,getOperand(1),operand>0,getOperand(2));
+        killBlinkOnVpin(pix);
+        IODevice::writeAnalogue(pix,getOperand(1),operand>0,getOperand(2));
+      }
     }
     break;
   
-#ifndef IO_NO_HAL
   case OPCODE_WAITFORTT:  // OPCODE_WAITFOR,V(turntable_id)
     if (Turntable::ttMoving(operand)) {
       delayMe(100);

GITHUB_SHA.h

@@ -1 +1 @@
-#define GITHUB_SHA "devel-202408291145Z"
+#define GITHUB_SHA "devel-202409040713Z"

IODevice.cpp

@@ -251,6 +251,26 @@ void IODevice::write(VPIN vpin, int value) {
 #endif
 }
 
+// Write value to count virtual pin(s).
+// these may be within one driver or separated over several drivers 
+void IODevice::writeRange(VPIN vpin, int value, int count) {  
+  
+  while(count) {  
+    auto dev = findDevice(vpin);
+    if (dev) {
+      auto vpinBefore=vpin; 
+      // write to driver, driver will return next vpin it cant handle
+      vpin=dev->_writeRange(vpin, value,count);
+      count-= vpin-vpinBefore;  // decrement by number of vpins changed
+    }
+    else {
+      // skip a vpin if no device handler
+      vpin++;
+      count--;
+    }
+  }
+}
+
 // Write analogue value to virtual pin(s).  If multiple devices are allocated
 // the same pin then only the first one found will be used.
 //
@@ -270,6 +290,24 @@ void IODevice::writeAnalogue(VPIN vpin, int value, uint8_t param1, uint16_t para
 #endif
 }
 
+//
+void IODevice::writeAnalogueRange(VPIN vpin, int value, uint8_t param1, uint16_t param2,int count) {
+  while(count) {  
+    auto dev = findDevice(vpin);
+    if (dev) {
+      auto vpinBefore=vpin; 
+      // write to driver, driver will return next vpin it cant handle
+      vpin=dev->_writeAnalogueRange(vpin, value, param1, param2,count);
+      count-= vpin-vpinBefore;  // decrement by number of vpins changed
+    }
+    else {
+      // skip a vpin if no device handler
+      vpin++;
+      count--;
+    }
+  }
+}
+
 // isBusy, when called for a device pin is always a digital output or analogue output,
 //  returns input feedback state of the pin, i.e. whether the pin is busy performing
 //  an animation or fade over a period of time.

IODevice.h

@@ -128,9 +128,11 @@ public:
 
   // write invokes the IODevice instance's _write method.
   static void write(VPIN vpin, int value);
+  static void writeRange(VPIN vpin, int value,int count);
 
   // write invokes the IODevice instance's _writeAnalogue method (not applicable for digital outputs)
   static void writeAnalogue(VPIN vpin, int value, uint8_t profile=0, uint16_t duration=0);
+  static void writeAnalogueRange(VPIN vpin, int value, uint8_t profile, uint16_t duration, int count);
 
   // isBusy returns true if the device is currently in an animation of some sort, e.g. is changing
   //  the output over a period of time.
@@ -177,11 +179,29 @@ public:
   virtual void _write(VPIN vpin, int value) {
     (void)vpin; (void)value;
   };
+ 
+ // Method to write new state (optionally implemented within device class)
+ // This will, by default just write to one vpin and return whet to do next.
+ // the real power comes where a single driver can update many vpins in one call.
+  virtual VPIN _writeRange(VPIN vpin, int value, int count) {
+    (void)count;
+    _write(vpin,value); 
+    return vpin+1; // try next vpin 
+  };
 
   // Method to write an 'analogue' value (optionally implemented within device class)
   virtual void _writeAnalogue(VPIN vpin, int value, uint8_t param1=0, uint16_t param2=0) {
     (void)vpin; (void)value; (void) param1; (void)param2;
   };
+  
+  // Method to write an 'analogue' value to a VPIN range (optionally implemented within device class)
+  // This will, by default just write to one vpin and return whet to do next.
+  // the real power comes where a single driver can update many vpins in one call.
+  virtual VPIN _writeAnalogueRange(VPIN vpin, int value, uint8_t param1, uint16_t param2, int count) {
+    (void) count;
+    _writeAnalogue(vpin, value,  param1, param2);
+    return vpin+1; 
+  };
 
   // Method to read digital pin state (optionally implemented within device class)
   virtual int _read(VPIN vpin) { 

IO_NeoPixel.h

@@ -233,7 +233,17 @@ private:
      }
      transmit(pixel);
   }
-
+   
+  VPIN _writeRange(VPIN vpin,int value, int count) {
+    // using write range cuts out the constant vpin to driver lookup so
+    // we can update multiple pixels much faster.
+    VPIN nextVpin=vpin +  (count>_nPins ? _nPins : count);
+    if (_deviceState != DEVSTATE_FAILED) while(vpin<nextVpin) {
+      _write(vpin,value);
+      vpin++;
+    }
+    return nextVpin;  // next pin we cant 
+  }  
   // Write analogue value.
   // The convoluted parameter mashing here is to allow passing the RGB and on/off
   // information through the generic HAL _writeAnalog interface which was originally
@@ -248,7 +258,16 @@ private:
     pixelBuffer[pixel]=newColour;
     transmit(pixel);
   }
-
+ VPIN _writeAnalogueRange(VPIN vpin, int colour_RG, uint8_t onoff, uint16_t colour_B, int count) override {
+    // using write range cuts out the constant vpin to driver lookup so
+    VPIN nextVpin=vpin +  (count>_nPins ? _nPins : count); 
+    if (_deviceState != DEVSTATE_FAILED) while(vpin<nextVpin) {
+      _writeAnalogue(vpin,colour_RG, onoff,colour_B);
+      vpin++;
+    }
+    return nextVpin;  // next pin we cant 
+ }
+ 
   // Display device information and status.
   void _display() override {
     DIAG(F("NeoPixel I2C:%s Vpins %u-%u %S"),

WifiESP32.cpp

@@ -265,7 +265,7 @@ bool WifiESP::setup(const char *SSid,
   if(!MDNS.begin(hostname)) {
     DIAG(F("Wifi setup failed to start mDNS"));
   }
-  if(!MDNS.addService("withrottle", "tcp", 2560)) {
+  if(!MDNS.addService("withrottle", "tcp", port)) {
     DIAG(F("Wifi setup failed to add withrottle service to mDNS"));
   }
 

version.h

@@ -3,8 +3,9 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.75i2c"
+#define VERSION "5.2.76i2c"
-// 5.2.75i2c - Add various I2C drivers, including TCA8418 and Adafruit NeoPixel Driver initially
+// 5.2.76i2c - Add various I2C drivers, including TCA8418 and Adafruit NeoPixel Driver initially
+// 5.2.76 - Bugfix: EXRAIL: Catch CV read errors in the callback
 // 5.2.75 - Bugfix: Serial lines 4 to 6 OK
 // 5.2.74 - Bugfix: ESP32 turn on the joined prog (as main) again after a prog operation
 // 5.2.73 - Bugfix: STM32 further fixes to shadowPORT entries in TrackManager.cpp for PORTG and PORTH