improved bus wait with raii class that updates last access

lib/SENECA/S50140_Driver.h

@@ -4,6 +4,7 @@
 
 #include <DebugLog.h>
 #include <RS485_Driver.h>
+#include <utils.h>
 
 namespace drivers
 {
@@ -13,7 +14,7 @@ namespace drivers
     private:
         const uint8_t c_maxRetries = 5;
         const uint8_t c_dataWords = 2;
-        const uint32_t c_minDelay = 500;
+        const uint32_t c_minDelay = 100;
 
         const uint16_t REG_V = 0x100C;
         const uint16_t REG_A = 0x1016;
@@ -74,7 +75,6 @@ namespace drivers
         void resetPartialCounters();
 
     private:
-        void delayRequest();
         float_t readFloatReg(const uint16_t reg);
 
     private: