frontend: show time and battery capacity

useful for longer gaming sessions

diff --git a/frontend/menu.c b/frontend/menu.c
index 69bcd59..45e9d5d 100644 (file)
--- a/frontend/menu.c
+++ b/frontend/menu.c
@@ -607,6 +607,18 @@ static void apply_lcdrate(int pal)
        old = pal;
 }
 
+static int get_bat_capacity(void)
+{
+       FILE *f;
+       int ret = 0;
+       f = fopen("/sys/class/power_supply/bq27500-0/capacity", "r");
+       if (f) {
+               fscanf(f, "%d", &ret);
+               fclose(f);
+       }
+       return ret;
+}
+
 static menu_entry e_menu_gfx_options[];
 
 static void pnd_menu_init(void)
@@ -1469,13 +1481,25 @@ void OnFile_Exit();
 
 static void draw_frame_main(void)
 {
+       struct tm *tmp;
+       time_t ltime;
+       char ltime_s[16];
+       char buff[64];
+
        if (CdromId[0] != 0) {
-               char buff[64];
                snprintf(buff, sizeof(buff), "%.32s/%.9s (running as %s, with %s)",
                         get_cd_label(), CdromId, Config.PsxType ? "PAL" : "NTSC",
                         Config.HLE ? "HLE" : "BIOS");
                smalltext_out16(4, 1, buff, 0x105f);
        }
+
+       if (ready_to_go) {
+               ltime = time(NULL);
+               tmp = localtime(&ltime);
+               strftime(ltime_s, sizeof(ltime_s), "%H:%M", tmp);
+               snprintf(buff, sizeof(buff), "%s %3d%%", ltime_s, get_bat_capacity());
+               smalltext_out16(4, 1 + me_sfont_h, buff, 0x105f);
+       }
 }
 
 static void draw_frame_credits(void)