BleGlue: reorder initialization sequence, move core2 start to early stage. (#816)

firmware/targets/f7/ble-glue/ble_glue.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <stdint.h>
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -8,17 +9,33 @@ extern "C" {
 
 typedef void(*BleGlueKeyStorageChangedCallback)(uint8_t* change_addr_start, uint16_t size, void* context);
 
-typedef enum {
-    BleGlueStatusUninitialized,
-    BleGlueStatusStartup,
-    BleGlueStatusBleStackMissing,
-    BleGlueStatusStarted
-} BleGlueStatus;
 
+/** Initialize start core2 and initialize transport */
 void ble_glue_init();
 
-BleGlueStatus ble_glue_get_status();
+/** Start Core2 Radio stack
+ *
+ * @return     true on success
+ */
+bool ble_glue_start();
 
+/** Is core2 alive and at least FUS is running
+ * 
+ * @return     true if core2 is alive
+ */
+bool ble_glue_is_alive();
+
+/** Is core2 radio stack present and ready
+ *
+ * @return     true if present and ready
+ */
+bool ble_glue_is_radio_stack_ready();
+
+/** Set callback for NVM in RAM changes
+ *
+ * @param[in]  callback  The callback to call on NVM change
+ * @param      context   The context for callback
+ */
 void ble_glue_set_key_storage_changed_callback(BleGlueKeyStorageChangedCallback callback, void* context);
 
 #ifdef __cplusplus