3 files changed, 20 insertions, 3 deletions
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
index d9aa351ecb..bd8af6d194 100644
--- a/tmk_core/protocol/chibios/usb_main.c
+++ b/tmk_core/protocol/chibios/usb_main.c
@@ -1074,7 +1074,7 @@ void console_task(void) {
     uint8_t buffer[CONSOLE_EPSIZE];
     size_t  size = 0;
     do {
-        size_t size = chnReadTimeout(&drivers.console_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
+        size = chnReadTimeout(&drivers.console_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
         if (size > 0) {
             console_receive(buffer, size);
         }
@@ -1102,7 +1102,7 @@ void raw_hid_task(void) {
     uint8_t buffer[RAW_EPSIZE];
     size_t  size = 0;
     do {
-        size_t size = chnReadTimeout(&drivers.raw_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
+        size = chnReadTimeout(&drivers.raw_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
         if (size > 0) {
             raw_hid_receive(buffer, size);
         }
@@ -1125,7 +1125,7 @@ void midi_ep_task(void) {
     uint8_t buffer[MIDI_STREAM_EPSIZE];
     size_t  size = 0;
     do {
-        size_t size = chnReadTimeout(&drivers.midi_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
+        size = chnReadTimeout(&drivers.midi_driver.driver, buffer, sizeof(buffer), TIME_IMMEDIATE);
         if (size > 0) {
             MIDI_EventPacket_t event;
             recv_midi_packet(&event);
diff --git a/tmk_core/protocol/report.c b/tmk_core/protocol/report.c
index 854b59ae48..5755098c60 100644
--- a/tmk_core/protocol/report.c
+++ b/tmk_core/protocol/report.c
@@ -278,3 +278,16 @@ void clear_keys_from_report(report_keyboard_t* keyboard_report) {
 #endif
     memset(keyboard_report->keys, 0, sizeof(keyboard_report->keys));
 }
+
+#ifdef MOUSE_ENABLE
+/**
+ * @brief Compares 2 mouse reports for difference and returns result
+ *
+ * @param[in] new_report report_mouse_t
+ * @param[in] old_report report_mouse_t
+ * @return bool result
+ */
+__attribute__((weak)) bool has_mouse_report_changed(report_mouse_t* new_report, report_mouse_t* old_report) {
+    return memcmp(new_report, old_report, sizeof(report_mouse_t));
+}
+#endif
diff --git a/tmk_core/protocol/report.h b/tmk_core/protocol/report.h
index 1adc892f3b..7bbeb78af7 100644
--- a/tmk_core/protocol/report.h
+++ b/tmk_core/protocol/report.h
@@ -320,6 +320,10 @@ void add_key_to_report(report_keyboard_t* keyboard_report, uint8_t key);
 void del_key_from_report(report_keyboard_t* keyboard_report, uint8_t key);
 void clear_keys_from_report(report_keyboard_t* keyboard_report);
 
+#ifdef MOUSE_ENABLE
+bool has_mouse_report_changed(report_mouse_t* new_report, report_mouse_t* old_report);
+#endif
+
 #ifdef __cplusplus
 }
 #endif