Function keys now allow trainer for each stick

src/gruvin9x.cpp

@@ -1169,7 +1169,7 @@ uint8_t evalSticks()
 
 
     if (i < NUM_STICKS) { //only do this for sticks
-      if (!s_noStickInputs && isFunctionActive(FUNC_TRAINER)) {
+      if (!s_noStickInputs && (isFunctionActive(FUNC_TRAINER) || isFunctionActive(FUNC_TRAINER_RUD+i))) {
         // trainer mode
         TrainerMix* td = &g_eeGeneral.trainer.mix[i];
         if (td->mode) {

src/gruvin9x.h

@@ -325,7 +325,7 @@ enum EnumKeys {
 #define CSWITCH_STR  "----   v>ofs  v<ofs  |v|>ofs|v|<ofsAND    OR     XOR    ""v1==v2 ""v1!=v2 ""v1>v2  ""v1<v2  ""v1>=v2 ""v1<=v2 "
 #define CSW_LEN_FUNC 7
 
-#define FSWITCH_STR  "----          ""Trainer       ""Instant Trim  ""Telemetry View"
+#define FSWITCH_STR  "----          ""Trainer       ""Trainer RUD   ""Trainer ELE   ""Trainer THR   ""Trainer AIL   ""Instant Trim  ""Telemetry View"
 #define FSW_LEN_FUNC 14
 
 #define SWASH_TYPE_STR   "---   ""120   ""120X  ""140   ""90    "

src/myeeprom.h

@@ -153,9 +153,13 @@ typedef struct t_SafetySwData { // Safety Switches data
 } __attribute__((packed)) SafetySwData;
 
 #define FUNC_TRAINER        1
-#define FUNC_INSTANT_TRIM   2
-#define FUNC_VIEW_TELEMETRY 3
-#define FUNC_LAST           3
+#define FUNC_TRAINER_RUD    2
+#define FUNC_TRAINER_ELE    3
+#define FUNC_TRAINER_THR    4
+#define FUNC_TRAINER_AIL    5
+#define FUNC_INSTANT_TRIM   6
+#define FUNC_VIEW_TELEMETRY 7
+#define FUNC_LAST           7
 
 typedef struct t_FuncSwData { // Function Switches data
   int8_t  swtch; //input