USB add Insertion and Extraction callback events

We have this nice event library laying around probably a few more places
we could use event callbacks

Change-Id: I9180fa9d78788d161f2587110644ca3e08df6f50

1 files changed, 11 insertions, 1 deletions

diff --git a/firmware/export/events.h b/firmware/export/events.h
index 4591058d4f..8bdf1b55e2 100644
--- a/firmware/export/events.h
+++ b/firmware/export/events.h
@@ -52,7 +52,7 @@
 #define EVENT_CLASS_RECORDING  0x1000
 #define EVENT_CLASS_LCD        0x2000
 #define EVENT_CLASS_VOICE      0x4000
-
+#define EVENT_CLASS_SYSTEM     0x8000 /*LAST ONE */
 /**
  * Subscribe to an event with a simple callback. The callback will be called
  * synchronously everytime the event fires, passing the event id and data to
@@ -99,4 +99,14 @@ void remove_event_ex(unsigned short id, void (*handler)(unsigned short id, void
  */
 void send_event(unsigned short id, void *data);
 
+/** System events **/
+enum {
+    /* USB_INSERTED
+       data = &usbmode */
+    SYS_EVENT_USB_INSERTED = (EVENT_CLASS_SYSTEM|1),
+    /* USB_EXTRACTED
+       data = NULL */
+    SYS_EVENT_USB_EXTRACTED,
+};
+
 #endif