Slave VWC

Fix adc bug with calibrated ADC value check limit.
Remove message ovweflow without sensor conection, only enabled with minimal measure value.

platformio/stima_v4/slave-vwc/include/config.h

@@ -34,7 +34,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #define MODULE_MAIN_VERSION   (4)
 
 /// @brief Module minor version.
-#define MODULE_MINOR_VERSION  (2)
+#define MODULE_MINOR_VERSION  (3)
 
 /// @brief rmap protocol version
 #define RMAP_PROCOTOL_VERSION (1)
@@ -226,6 +226,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #define SOIL_VWC_VOLTAGE_MAX              (2000.0)
 /// @brief Limit MIN voltage adc range for module sensor
 #define SOIL_VWC_VOLTAGE_MIN              (1000.0)
+/// @brief Limit MIN voltage adc range sensor absent
+#define SOIL_VWC_VOLTAGE_ABSENT           (200.0)
 
 /// @brief Limit MAX error valid range for module sensor
 #define SOIL_VWC_ERROR_VOLTAGE_MAX        (500.0)

platformio/stima_v4/slave-vwc/src/tasks/soil_vwc_sensor_task.cpp

@@ -396,6 +396,8 @@ float SoilVWCSensorTask::getAdcCalibratedValue(float adc_value, float offset, fl
     value = adc_value;
     value += offset;
     value *= gain;
+    if(value <= ADC_MIN) value = ADC_MIN;
+    if(value >= ADC_MAX) value = ADC_MAX;
   }
 
   return value;
@@ -457,8 +459,9 @@ float SoilVWCSensorTask::getSoilVWC(float adc_value, float adc_voltage_min, floa
 
   if ((value < (adc_voltage_min + SOIL_VWC_ERROR_VOLTAGE_MIN)) || (value > (adc_voltage_max + SOIL_VWC_ERROR_VOLTAGE_MAX)))
   {
-    *adc_overflow = true;
     value = UINT16_MAX;
+    // Activate flag only with sensor is a real connected to ADC
+    if(value > SOIL_VWC_VOLTAGE_ABSENT) *adc_overflow = true;
   }
   else
   {