improve cmake warning flags, fix various warnings in examples

3 files changed, 8 insertions, 2 deletions

diff --git a/src/class/audio/audio_device.h b/src/class/audio/audio_device.h
index fd47c649d..00948767e 100644
--- a/src/class/audio/audio_device.h
+++ b/src/class/audio/audio_device.h
@@ -360,6 +360,7 @@ bool tud_audio_feedback_format_correction_cb(uint8_t func_id);
 
 #if CFG_TUD_AUDIO_ENABLE_INTERRUPT_EP
 void tud_audio_int_done_cb(uint8_t rhport);
+void tud_audio_int_xfer_cb(uint8_t rhport);
 #endif
 
 // Invoked when audio set interface request received
diff --git a/src/class/net/ecm_rndis_device.c b/src/class/net/ecm_rndis_device.c
index 299eb97c8..7dff66823 100644
--- a/src/class/net/ecm_rndis_device.c
+++ b/src/class/net/ecm_rndis_device.c
@@ -35,8 +35,6 @@
 #include "net_device.h"
 #include "rndis_protocol.h"
 
-extern void rndis_class_set_handler(uint8_t *data, int size); /* found in ./misc/networking/rndis_reports.c */
-
 #define CFG_TUD_NET_PACKET_PREFIX_LEN sizeof(rndis_data_packet_t)
 #define CFG_TUD_NET_PACKET_SUFFIX_LEN 0
 
diff --git a/src/class/net/net_device.h b/src/class/net/net_device.h
index fff2623b7..ef5ecffc8 100644
--- a/src/class/net/net_device.h
+++ b/src/class/net/net_device.h
@@ -56,6 +56,13 @@ typedef enum
 #endif
 
 //--------------------------------------------------------------------+
+// Implemented by Application
+//--------------------------------------------------------------------+
+#if CFG_TUD_ECM_RNDIS
+extern void rndis_class_set_handler(uint8_t *data, int size);
+#endif
+
+//--------------------------------------------------------------------+
 // Application API
 //--------------------------------------------------------------------+