1 files changed, 72 insertions, 0 deletions
diff --git a/app/state.c b/app/state.c
new file mode 100644
index 0000000..8ba1b3d
--- /dev/null
+++ b/app/state.c
@@ -0,0 +1,72 @@
+#include "project.h"
+
+uint32_t up_time, down_time;
+int locked;
+
+
+
+
+void
+state_show (void)
+{
+#ifndef SLIM
+  char buf[17];
+  uint32_t t;
+  int d, h, m, s;
+
+  t = up_time ? up_time : down_time;
+
+  d = t / 86400;
+  t -= d * 86400;
+  h = t / 3600;
+  t -= h * 3600;
+  m = t / 60;
+  t -= m * 60;
+  s = t;
+
+
+  snprintf (buf, sizeof (buf), "%4s%3d %02d:%02d:%02d",
+            up_time ? "up" : "down", d, h, m, s);
+
+  lcd_write (buf, 0, 0);
+
+  lcd_write (have_key ? " Key  " : "No Key", 0, 1);
+
+  lcd_write (locked ? " Locked " : "UnLocked", 8, 1);
+#endif
+
+}
+
+
+void
+state_tick (void)
+{
+
+  if (host_has_power && usb_running)
+    {
+      down_time = 0;
+      up_time++;
+    }
+  else
+    {
+      down_time++;
+      up_time = 0;
+      locked = 0;
+    }
+
+  if ((down_time > RETENTION_TIME) && have_key)
+    {
+      key_wipe ();
+    }
+
+  state_show ();
+}
+
+
+void
+state_init (void)
+{
+  down_time = 0;
+  up_time = 0;
+  locked = 0;
+}