Proper rounding for values that are scaled down. Displayed and spoken values affected.

Example: value 3.47V was spoken as 3.4V, new spoken value is 3.5V

radio/src/lcd.cpp

@@ -1190,7 +1190,7 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
     {
       lcdint_t converted_value = applyChannelRatio(channel, val);
       if (g_model.frsky.channels[channel].type >= UNIT_RAW) {
-        converted_value /= 10;
+        converted_value = div10_and_round(converted_value);
       }
       else {
 #if !defined(PCBTARANIS)
@@ -1198,7 +1198,7 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
           att |= PREC2;
         }
         else {
-          converted_value /= 10;
+          converted_value = div10_and_round(converted_value);
           att |= PREC1;
         }
 #else
@@ -1255,7 +1255,7 @@ void putsTelemetryChannel(xcoord_t x, uint8_t y, uint8_t channel, lcdint_t val,
 
 #if defined(FRSKY_SPORT)
     case TELEM_ALT-1:
-      putsTelemetryValue(x, y, val/10, UNIT_DIST, att|PREC1);
+      putsTelemetryValue(x, y, div10_and_round(val), UNIT_DIST, att|PREC1);
       break;
 #elif defined(WS_HOW_HIGH)
     case TELEM_ALT-1:

radio/src/maths.cpp

@@ -36,6 +36,29 @@
 
 #include "opentx.h"
 
+
+/*
+  Division by 10 and rounding or fixed point arithmetic values
+
+  Examples: 
+    value -> result
+    105 ->  11
+    104 ->  10
+   -205 -> -21
+   -204 -> -20 
+*/
+getvalue_t div10_and_round(getvalue_t value)
+{
+  if (value >= 0 ) {
+    value += 5;
+  }
+  else {
+    value -= 5;
+  }
+  return value/10;
+}
+
+
 #if defined(FRSKY)
 uint16_t getChannelRatio(uint8_t channel)
 {

radio/src/opentx.cpp

@@ -3253,7 +3253,7 @@ PLAY_FUNCTION(playValue, uint8_t idx)
       {
         if (TELEMETRY_STREAMING()) {
           uint8_t att = 0;
-          int16_t converted_value = applyChannelRatio(idx, val) / 10;
+          int16_t converted_value =  div10_and_round(applyChannelRatio(idx, val));;
           if (g_model.frsky.channels[idx].type < UNIT_RAW) {
             att = PREC1;
           }
@@ -3264,7 +3264,7 @@ PLAY_FUNCTION(playValue, uint8_t idx)
 
     case MIXSRC_FIRST_TELEM+TELEM_CELL-1:
     case MIXSRC_FIRST_TELEM+TELEM_MIN_CELL-1:
-      PLAY_NUMBER(val/10, 1+UNIT_VOLTS, PREC1);
+      PLAY_NUMBER(div10_and_round(val), 1+UNIT_VOLTS, PREC1);
       break;
 
     case MIXSRC_FIRST_TELEM+TELEM_VFAS-1:
@@ -3282,12 +3282,12 @@ PLAY_FUNCTION(playValue, uint8_t idx)
     case MIXSRC_FIRST_TELEM+TELEM_ACCx-1:
     case MIXSRC_FIRST_TELEM+TELEM_ACCy-1:
     case MIXSRC_FIRST_TELEM+TELEM_ACCz-1:
-      PLAY_NUMBER(val/10, 1+UNIT_G, PREC1);
+      PLAY_NUMBER(div10_and_round(val), 1+UNIT_G, PREC1);
       break;
 
     case MIXSRC_FIRST_TELEM+TELEM_VSPD-1:
     case MIXSRC_FIRST_TELEM+TELEM_ASPD-1:
-      PLAY_NUMBER(val/10, 1+UNIT_METERS_PER_SECOND, PREC1);
+      PLAY_NUMBER(div10_and_round(val), 1+UNIT_METERS_PER_SECOND, PREC1);
       break;
 
     case MIXSRC_FIRST_TELEM+TELEM_CONSUMPTION-1:
@@ -3300,7 +3300,7 @@ PLAY_FUNCTION(playValue, uint8_t idx)
 
     case MIXSRC_FIRST_TELEM+TELEM_ALT-1:
 #if defined(PCBTARANIS)
-      PLAY_NUMBER(val/10, 1+UNIT_DIST, PREC1);
+      PLAY_NUMBER(div10_and_round(val), 1+UNIT_DIST, PREC1);
       break;
 #endif
     case MIXSRC_FIRST_TELEM+TELEM_MIN_ALT-1:

radio/src/opentx.h

@@ -1514,6 +1514,9 @@ getvalue_t convertCswTelemValue(LogicalSwitchData * cs);
 lcdint_t applyChannelRatio(uint8_t channel, lcdint_t val);
 #endif
 
+getvalue_t div10_and_round(getvalue_t value);
+
+
 #if defined(FRSKY)
 NOINLINE uint8_t getRssiAlarmValue(uint8_t alarm);
 

radio/src/translations/tts_cz.cpp

@@ -129,7 +129,7 @@ I18N_PLAY_FUNCTION(cz, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_de.cpp

@@ -119,7 +119,7 @@ I18N_PLAY_FUNCTION(de, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_en.cpp

@@ -106,7 +106,7 @@ I18N_PLAY_FUNCTION(en, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_es.cpp

@@ -143,7 +143,7 @@ I18N_PLAY_FUNCTION(es, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_fr.cpp

@@ -125,7 +125,7 @@ I18N_PLAY_FUNCTION(fr, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_it.cpp

@@ -115,7 +115,7 @@ I18N_PLAY_FUNCTION(it, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_pl.cpp

@@ -138,7 +138,7 @@ I18N_PLAY_FUNCTION(pl, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_pt.cpp

@@ -128,7 +128,7 @@ I18N_PLAY_FUNCTION(pt, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_se.cpp

@@ -93,7 +93,7 @@ I18N_PLAY_FUNCTION(se, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif

radio/src/translations/tts_sk.cpp

@@ -144,7 +144,7 @@ I18N_PLAY_FUNCTION(sk, playNumber, getvalue_t number, uint8_t unit, uint8_t att)
     }
 #if defined(CPUARM)
     if ((att & PREC1) && (unit == UNIT_FEET || (unit == UNIT_DIST && number >= 100))) {
-      number /= 10;
+      number = div10_and_round(number);
       att -= PREC1;
     }
 #endif