make tud_mount_cb() and tud_umount_cb() optional

1 files changed, 6 insertions, 9 deletions

diff --git a/src/device/usbd.h b/src/device/usbd.h
index 1e59c0a7e..f9e0d8f4d 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -83,17 +83,14 @@ extern tud_desc_set_t tud_desc_set;
 bool tud_mounted(void);

 

 //--------------------------------------------------------------------+

-// APPLICATION CALLBACK

+// APPLICATION CALLBACK (WEAK is optional)

 //--------------------------------------------------------------------+

-/** \brief 			Callback function that will be invoked device is mounted (configured) by USB host

- * \note        This callback should be used by Application to \b set-up application data

- */

-void tud_mount_cb(void);

 

-/** \brief 			Callback function that will be invoked when device is unmounted (bus reset/unplugged)

- * \note        This callback should be used by Application to \b tear-down application data

- */

-void tud_umount_cb(void);

+/** Callback invoked when device is mounted (configured) */

+ATTR_WEAK void tud_mount_cb(void);

+

+/** Callback invoked when device is unmounted (bus reset/unplugged) */

+ATTR_WEAK void tud_umount_cb(void);

 

 //void tud_device_suspended_cb(void);