reset: expose _ble_reset

We also need to call it after a Bluetooth firmware upgrade.

Author: benma

src/reset.c

@@ -48,18 +48,18 @@ static void _show_reset_label(bool status)
 }
 #endif
 
-#if !defined(TESTING)
-static void _ble_reset(void)
+void reset_ble(void)
 {
+#if !defined(TESTING)
     struct ringbuffer uart_queue;
     uint8_t uart_queue_buf[64];
     ringbuffer_init(&uart_queue, &uart_queue_buf[0], sizeof(uart_queue_buf));
     da14531_reset(&uart_queue);
     while (ringbuffer_num(&uart_queue)) {
         uart_poll(NULL, 0, NULL, &uart_queue);
     }
-}
 #endif
+}
 
 void reset_reset(bool status)
 {
@@ -98,7 +98,7 @@ void reset_reset(bool status)
 
     // The ble chip needs to be restarted to load the new secrets.
     if (memory_get_platform() == MEMORY_PLATFORM_BITBOX02_PLUS) {
-        _ble_reset();
+        reset_ble();
     }
 
     reboot();

src/reset.h

@@ -17,6 +17,12 @@
 
 #include <stdbool.h>
 
+/**
+ * Restarts the Bluetooth chip. This also means it will re-load the Bluetooth firmware from SPI
+ * memory.
+ */
+void reset_ble(void);
+
 /**
  * Resets the device:
  * - Updates secure chip KDF keys.