Reset UsbReportUpdateSemaphore if it gets stuck for 100ms. This shoul…

…d fix occasional freezes.
UltimateHackingKeyboard · Oct 4, 2018 · 8b69a25 · 8b69a25
1 parent 6f2b45c
commit 8b69a25
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diff --git a/right/src/usb_report_updater.c b/right/src/usb_report_updater.c
@@ -440,14 +440,21 @@ uint32_t UsbReportUpdateCounter;
 
 void UpdateUsbReports(void)
 {
+    static uint32_t lastUpdateTime;
+
     for (uint8_t keyId = 0; keyId < RIGHT_KEY_MATRIX_KEY_COUNT; keyId++) {
         KeyStates[SlotId_RightKeyboardHalf][keyId].current = RightKeyMatrix.keyStates[keyId];
     }
 
     if (UsbReportUpdateSemaphore && !SleepModeActive) {
-        return;
+        if (Timer_GetElapsedTime(&lastUpdateTime) < USB_SEMAPHORE_TIMEOUT) {
+            return;
+        } else {
+            UsbReportUpdateSemaphore = 0;
+        }
     }
 
+    lastUpdateTime = CurrentTime;
     UsbReportUpdateCounter++;
 
     ResetActiveUsbBasicKeyboardReport();

diff --git a/right/src/usb_report_updater.h b/right/src/usb_report_updater.h
@@ -14,6 +14,8 @@
     #define SECONDARY_ROLE_MODIFIER_TO_HID_MODIFIER(secondaryRoleModifier) (1 << ((secondaryRoleModifier) - 1))
     #define SECONDARY_ROLE_LAYER_TO_LAYER_ID(secondaryRoleLayer) ((secondaryRoleLayer) - SecondaryRole_RightSuper)
 
+    #define USB_SEMAPHORE_TIMEOUT 100 // ms
+
 // Typedefs:
 
     typedef enum {