Option UNITS=IMPERIAL added

SD card archive function continued (doesn't delete the model until function finished)
Alternate view for outputs in Main Views (Bars and Numbers)
GPS speed was badly displayed (ap instead of bp)

src/main_views.cpp

@@ -93,7 +93,7 @@ void menuMainView(uint8_t event)
       break;
     case EVT_KEY_BREAK(KEY_RIGHT):
     case EVT_KEY_BREAK(KEY_LEFT):
-      if (view_base == e_inputs) {
+      if (view_base <= e_inputs) {
         g_eeGeneral.view ^= ALTERNATE_VIEW;
         eeDirty(EE_GENERAL);
         AUDIO_KEYPAD_UP();
@@ -235,11 +235,10 @@ void menuMainView(uint8_t event)
     }
   }
 
-  if(view_base<e_inputs) {
-    for(uint8_t i=0; i<8; i++)
-    {
+  if (view_base < e_inputs) {
+    for (uint8_t i=0; i<8; i++) {
       uint8_t x0,y0;
-      int16_t val = g_chans512[i];
+      int16_t val = g_chans512[(g_eeGeneral.view & ALTERNATE_VIEW) ? 8+i : i];
 
       switch(view_base)
       {
@@ -254,6 +253,7 @@ void menuMainView(uint8_t event)
           lcd_outdezAtt( x0+4*FW , y0, GPERC(val)/10, 0); // G: Don't like the decimal part*
 #endif
           break;
+
         case e_outputBars:
 #define WBAR2 (50/2)
           x0       = i<4 ? 128/4+2 : 128*3/4-2;
@@ -337,4 +337,5 @@ void menuMainView(uint8_t event)
 #endif
 
   DISPLAY_PROGRESS_BAR(20*FW+1);
+
 }