Use existing function to generate switch name in YAML switch warning field

radio/src/storage/conversions/yaml/yaml_datastructs_funcs.cpp

@@ -539,7 +539,7 @@ bool w_swtchWarn(const YamlNode* node, uint32_t val, yaml_writer_func wf, void*
             // state == 1 -> UP
             // state == 2 -> MIDDLE
             // state == 3 -> DOWN
-            char swtchWarn[2] = {(char)('A' + i), 0};
+            char swtchWarn[2] = {getRawSwitchFromIdx(i), 0};
 
             switch (state) {
             case 0:

radio/src/storage/yaml/yaml_datastructs_funcs.cpp

@@ -845,8 +845,8 @@ static void r_swtchWarn(void* user, uint8_t* data, uint32_t bitoffs,
   //
   swtchWarn = 0;
   while (val_len--) {
-    signed swtch = *(val++) - 'A';
-    if (swtch >= NUM_SWITCHES) break;
+    signed swtch = getRawSwitchIdx(*(val++));
+    if (swtch < 0) break;
 
     unsigned state = 0;
     switch (*(val++)) {
@@ -887,7 +887,7 @@ static bool w_swtchWarn(void* user, uint8_t* data, uint32_t bitoffs,
       // state == 1 -> UP
       // state == 2 -> MIDDLE
       // state == 3 -> DOWN
-      char swtchWarn[2] = {(char)('A' + i), 0};
+      char swtchWarn[2] = {getRawSwitchFromIdx(i), 0};
 
       switch (state) {
         case 0:

radio/src/strhelpers.cpp

@@ -421,6 +421,45 @@ char *getFlightModeString(char *dest, int8_t idx)
 // }
 
 #if !defined(PCBSKY9X)
+int getRawSwitchIdx(char sw)
+{
+  if (sw < 'A' || sw > 'Z')
+    return -1;
+
+#if defined(PCBX7) && !defined(RADIO_TX12)
+  if (sw >= 'H')
+    return sw - 'H' + 5;
+#if defined(RADIO_T12)
+  else if (sw == 'G')
+#else
+  else if (sw == 'F')
+#endif
+    return 4;
+  else
+    return sw - 'A';
+#else
+  return sw - 'A';
+#endif
+}
+
+char getRawSwitchFromIdx(int idx)
+{
+#if defined(PCBX7) && !defined(RADIO_TX12)
+    if (idx >= 5)
+      return 'H' + idx - 5;
+    else if (idx == 4)
+#if defined(RADIO_T12)
+      return 'G';
+#else
+      return 'F';
+#endif
+    else
+      return 'A' + idx;
+#else
+    return 'A' + idx;
+#endif  
+}
+
 char *getSwitchName(char *dest, swsrc_t idx)
 {
   div_t swinfo = switchInfo(idx);
@@ -429,20 +468,7 @@ char *getSwitchName(char *dest, swsrc_t idx)
         strAppend(dest, g_eeGeneral.switchNames[swinfo.quot], LEN_SWITCH_NAME);
   } else {
     *dest++ = 'S';
-#if defined(PCBX7) && !defined(RADIO_TX12)
-    if (swinfo.quot >= 5)
-      *dest++ = 'H' + swinfo.quot - 5;
-    else if (swinfo.quot == 4)
-#if defined(RADIO_T12)
-      *dest++ = 'G';
-#else
-      *dest++ = 'F';
-#endif
-    else
-      *dest++ = 'A' + swinfo.quot;
-#else
-    *dest++ = 'A' + swinfo.quot;
-#endif
+    *dest++ = getRawSwitchFromIdx(swinfo.quot);
   }
   return dest;
 }

radio/src/strhelpers.h

@@ -74,6 +74,8 @@ char *getGVarString(int idx);
 char *getSwitchPositionName(char *dest, swsrc_t idx);
 char *getSwitchName(char *dest, swsrc_t idx);
 char *getSourceString(char *dest, mixsrc_t idx);
+int  getRawSwitchIdx(char sw);
+char getRawSwitchFromIdx(int sw);
 #endif
 
 char *getFlightModeString(char *dest, int8_t idx);