Battery calibration function added

app/menu.c

@@ -32,6 +32,7 @@
 #include "driver/gpio.h"
 #include "driver/keyboard.h"
 #include "frequencies.h"
+#include "helper/battery.h"
 #include "misc.h"
 #include "settings.h"
 #if defined(ENABLE_OVERLAY)
@@ -264,6 +265,11 @@ int MENU_GetLimits(uint8_t Cursor, int32_t *pMin, int32_t *pMax)
 			*pMax = ARRAY_SIZE(gSubMenu_PTT_ID) - 1;
 			break;
 
+		case MENU_VOL:
+			*pMin = 0;
+			*pMax = 2300;
+			break;
+
 		case MENU_BAT_TXT:
 			*pMin = 0;
 			*pMax = ARRAY_SIZE(gSubMenu_BAT_TXT) - 1;
@@ -585,6 +591,12 @@ void MENU_AcceptSetting(void)
 			gRequestSaveChannel         = 1;
 			return;
 
+		case MENU_VOL:
+			if(gF_LOCK) {
+				EEPROM_WriteBuffer(0x1F40, gBatteryCalibration);
+			}
+			break;
+
 		case MENU_BAT_TXT:
 			gSetting_battery_text = gSubMenuSelection;
 			break;
@@ -988,6 +1000,10 @@ void MENU_ShowCurrentSetting(void)
 			gSubMenuSelection = gTxVfo->DTMF_PTT_ID_TX_MODE;
 			break;
 
+		case MENU_VOL:
+			gSubMenuSelection = gBatteryCalibration[3];
+			return;
+
 		case MENU_BAT_TXT:
 			gSubMenuSelection = gSetting_battery_text;
 			return;

ui/menu.c

@@ -663,6 +663,7 @@ void UI_DisplayMenu(void)
 			break;
 
 		case MENU_VOL:
+			
 			// 1st text line
 			sprintf(String, "%u.%02uV", gBatteryVoltageAverage / 100, gBatteryVoltageAverage % 100);
 			UI_PrintString(String, menu_item_x1, menu_item_x2, 1, 8);
@@ -677,6 +678,12 @@ void UI_DisplayMenu(void)
 					UI_PrintString(String, menu_item_x1, menu_item_x2, 5, 8);
 				#endif
 			}
+			
+			if(gF_LOCK){
+				gBatteryCalibration[3] = gSubMenuSelection;
+				sprintf(String, "%u", gSubMenuSelection);
+				UI_PrintString(String, menu_item_x1, menu_item_x2, 5, 8);
+			}
 
 			already_printed = true;
 			break;