xdrv_92_vid6608: Advanced zero routine for analog gauges, library update (#24218)

* VID6608: Add option to skip auto-zero rouitine

* VID6608: Update library to version 1.0.3, add Zero control for Gauge

lib/lib_div/arduino-vid6608/library.json

@@ -13,7 +13,7 @@
       "email": "petro@petro.ws",
       "url": "https://petro.ws/"
     },
-    "version": "1.0.2",
+    "version": "1.0.3",
     "frameworks": "arduino",
     "platforms": "*"
 }

lib/lib_div/arduino-vid6608/library.properties

@@ -1,5 +1,5 @@
 name=vid6608
-version=1.0.2
+version=1.0.3
 author=Petr Golovachev
 maintainer=Petr Golovachev <petro@petro.ws>
 sentence=Arduino library for driving IC VID6608 and clones for Switec X25.168 / X27.168 miniature stepper motors

lib/lib_div/arduino-vid6608/src/vid6608.cpp

@@ -48,6 +48,7 @@ vid6608::vid6608(int stepPin, int dirPin, uint16_t maxSteps /*= VID6608_MAX_STEP
   this->dirPinState = MOVE_NONE; // invalid state to force update on first step
   this->currentPosition = 0;
   this->targetPosition = 0;
+  this->targetPositionNext = 0;
   this->setAccelTable(defaultAccelTable);
   // Setup pins
   pinMode(this->stepPin, OUTPUT);
@@ -56,16 +57,19 @@ vid6608::vid6608(int stepPin, int dirPin, uint16_t maxSteps /*= VID6608_MAX_STEP
   digitalWrite(this->dirPin, LOW);
 }
 
-void vid6608::zero(uint16_t delay /*= VID6608_DEFAULT_ZERO_SPEED*/) {
+void vid6608::zero(uint16_t initialPos /*= VID6608_DEFAULT_MAX_STEPS/2*/, uint16_t delay /*= VID6608_DEFAULT_ZERO_SPEED*/) {
   // We have to optimize the zeroing process to avoid bouncing on end-stops
   // Drive makes 1/2 move forward and 1/2 backward to reduce bouncing
   // This will reduce bouncing, if the last position was not a zero position
-  uint16_t halfSteps = this->maxSteps / 2;
+  if (initialPos >= this->maxSteps) {
-  // Move to halfSteps forward
+    initialPos = this->maxSteps - 1;
-  for (uint16_t x = 0; x < halfSteps; x++) {
+  }
+  uint16_t stepsForward = this->maxSteps - initialPos;
+  // Move forward to defined steps count
+  for (uint16_t x = 0; x < stepsForward; x++) {
     step(MOVE_FORWARD, delay);
   }
-  // Move to halfSteps back
+  // Move full round back to 0
   for (uint16_t x = 0; x < this->maxSteps; x++) {
     step(MOVE_BACKWARD, delay);
   }

lib/lib_div/arduino-vid6608/src/vid6608.h

@@ -47,9 +47,10 @@ class vid6608 {
      * Uses optimized method to reduce bouncing end-stops
      * @warning this function is blocking, execution is delayed upon done
      *
+     * @param initialPos initial position to assume zeroing, default is half of maxSteps. If you know the "old" gauge potision, you can provide it here to avoid end-stop bounce
      * @param delay single step delay, controls sthe speed of motor, default is deined in VID6608_DEFAULT_ZERO_SPEED
      */
-    void zero(uint16_t delay = VID6608_DEFAULT_ZERO_SPEED);
+    void zero(uint16_t initialPos = VID6608_DEFAULT_MAX_STEPS/2, uint16_t delay = VID6608_DEFAULT_ZERO_SPEED);
 
     /**
      * @brief Shedules movement to defined absolute position

tasmota/my_user_config.h

@@ -1132,6 +1132,7 @@
 //#define USE_HRE                                  // Add support for Badger HR-E Water Meter (+1k4 code)
 //#define USE_A4988_STEPPER                        // Add support for A4988/DRV8825 stepper-motor-driver-circuit (+10k5 code)
 //#define USE_VID6608                              // Add support for VID6608 Automotive analog gauge driver (+0k7 code)
+//  #define VID6608_RESET_ON_INIT  true            // Reset VID6608 on init (default: true), change if you control this manually
 
 //#define USE_PROMETHEUS                           // Add support for https://prometheus.io/ metrics exporting over HTTP /metrics endpoint
 

tasmota/tasmota_xdrv_driver/xdrv_92_vid6608.ino

@@ -76,6 +76,16 @@
   #define VID6608_RTOS
 #endif
 
+/**
+ * @brief Reset all drives on init?
+ *
+ * Disable if you dont want to perform reset/homing operation on driver init,
+ * usefull for cases, where you have advanced mode (i.e. use saved values from NVRAM to restore and manual reset).
+ */
+#ifndef VID6608_RESET_ON_INIT
+  #define VID6608_RESET_ON_INIT  true
+#endif
+
 #include "vid6608.h"
 
 /**
@@ -178,7 +188,7 @@ void CmndGaugeCommand(int32_t command, uint32_t index, int32_t payload) {
         ResponseAppend_P(PSTR("\"%d\":{"), (int32_t)(x+1));
         switch (command) {
           case GAUGE_ZERO:
-            driver->zero();
+            driver->zero(payload);
             ResponseAppend_P(PSTR("\"cmd\":\"zero\",\"pos\":0"));
             break;
           case GAUGE_SET:
@@ -287,8 +297,12 @@ void VID6608Init() {
       vid6608Drives[x] = new vid6608(pinStep, pinDir);
 
       // Perform homing operation
+      if (VID6608_RESET_ON_INIT) {
         vid6608Drives[x]->zero();
         AddLog(LOG_LEVEL_DEBUG, PSTR("VID: zero %d done"), x);
+      } else {
+        AddLog(LOG_LEVEL_DEBUG, PSTR("VID: zero %d skipped"), x);
+      }
       vid6608Present = true;
     } else {
       vid6608Drives[x] = nullptr;