Fix battery glitch

Battery charge was mistakenly being computed because values used in
computation were defined in a function which was not included as a
header file.

openrtx/include/state.h

@@ -36,6 +36,7 @@ typedef struct
     bool radioStateUpdated;
     curTime_t time;
     float v_bat;
+    float charge;
 
     uint8_t ui_screen;
     uint8_t backlight_level;

openrtx/src/state.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <state.h>
+#include <battery.h>
 #include <interfaces/platform.h>
 
 state_t state;
@@ -35,6 +36,7 @@ void state_init()
     state.time = rtc_getTime();
 #endif
     state.v_bat = platform_getVbat();
+    state.charge = battery_getCharge(state.v_bat);
 
     state.backlight_level = 255;
     state.channelInfoUpdated = true;

openrtx/src/threads.c

@@ -22,6 +22,7 @@
 #include <ui.h>
 #include <state.h>
 #include <threads.h>
+#include <battery.h>
 #include <interfaces/keyboard.h>
 #include <interfaces/graphics.h>
 #include <interfaces/platform.h>
@@ -249,6 +250,7 @@ static void dev_task(void *arg)
         state.time = rtc_getTime(); 
 #endif
         state.v_bat = platform_getVbat();
+        state.charge = battery_getCharge(state.v_bat);
 
         OSMutexPost(&state_mutex, OS_OPT_POST_NONE, &os_err);
 

openrtx/src/ui/ui_main.c

@@ -49,12 +49,11 @@ void _ui_drawMainTop(state_t* last_state)
 #endif
 
     // Print battery icon on top bar, use 4 px padding
-    float charge = battery_getCharge(last_state->v_bat);
     uint16_t bat_width = SCREEN_WIDTH / 9;
     uint16_t bat_height = layout.top_h - (layout.status_v_pad * 2);
     point_t bat_pos = {SCREEN_WIDTH - bat_width - layout.horizontal_pad,
                        layout.status_v_pad};
-    gfx_drawBattery(bat_pos, bat_width, bat_height, charge);
+    gfx_drawBattery(bat_pos, bat_width, bat_height, last_state->charge);
 
     // Print radio mode on top bar
     char mode[4] = "";