1 files changed, 19 insertions, 16 deletions
diff --git a/src/class/hid/hid_device.h b/src/class/hid/hid_device.h
index 4b8cb17d5..d5b5b7296 100644
--- a/src/class/hid/hid_device.h
+++ b/src/class/hid/hid_device.h
@@ -84,39 +84,42 @@ static inline bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8
 // Callbacks (Weak is optional)
 //--------------------------------------------------------------------+
 
+#if CFG_TUD_HID > 1
+
 // Invoked when received GET HID REPORT DESCRIPTOR request
 // Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
-#if CFG_TUD_HID>1
-uint8_t const * tud_hid_n_descriptor_report_cb(uint8_t itf);
-#else
-uint8_t const * tud_hid_descriptor_report_cb(void);
-#endif
+uint8_t const * tud_hid_descriptor_report_cb(uint8_t itf);
 
 // Invoked when received GET_REPORT control request
 // Application must fill buffer report's content and return its length.
 // Return zero will cause the stack to STALL request
-#if CFG_TUD_HID>1
-uint16_t tud_hid_n_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
-#else
-uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
-#endif
+uint16_t tud_hid_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
 
 // Invoked when received SET_REPORT control request or
 // received data on OUT endpoint ( Report ID = 0, Type = 0 )
-#if CFG_TUD_HID>1
-void tud_hid_n_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
-#else
-void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
-#endif
+void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
 
 // Invoked when received SET_PROTOCOL request ( mode switch Boot <-> Report )
-TU_ATTR_WEAK void tud_hid_boot_mode_cb(uint8_t boot_mode);
+TU_ATTR_WEAK void tud_hid_boot_mode_cb(uint8_t itf, uint8_t boot_mode);
 
 // Invoked when received SET_IDLE request. return false will stall the request
 // - Idle Rate = 0 : only send report if there is changes, i.e skip duplication
 // - Idle Rate > 0 : skip duplication, but send at least 1 report every idle rate (in unit of 4 ms).
+TU_ATTR_WEAK bool tud_hid_set_idle_cb(uint8_t itf, uint8_t idle_rate);
+
+#else
+
+// TODO for backward compatible callback, remove later when appropriate
+uint8_t const * tud_hid_descriptor_report_cb(void);
+uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
+void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
+
+TU_ATTR_WEAK void tud_hid_boot_mode_cb(uint8_t boot_mode);
 TU_ATTR_WEAK bool tud_hid_set_idle_cb(uint8_t idle_rate);
 
+#endif
+
+
 //--------------------------------------------------------------------+
 // Inline Functions
 //--------------------------------------------------------------------+