Workaround SN32 USB code deficiencies for remote wakeup to work

SonixQMK · Apr 19, 2021 · bbcfa47 · bbcfa47
1 parent 1af97cb
commit bbcfa47
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/lib/chibios-contrib b/lib/chibios-contrib
diff --git a/tmk_core/protocol/chibios/main.c b/tmk_core/protocol/chibios/main.c
@@ -243,7 +243,14 @@ int main(void) {
                 /* Remote wakeup */
                 if (suspend_wakeup_condition()) {
                     usbWakeupHost(&USB_DRIVER);
+                    //Generally there is no need to restart usb driver
+                    //Change is introduced in https://github.com/qmk/qmk_firmware/pull/10088
+                    //Restarting driver entails bus disconnet/connect and device reenumeration
+                    //SN32 USB driver currently doesn't have proper handling for usb restart thus comment it for now
+                    //Alternatively it is posible to workaround it via ifndefs
+#if !defined(SN32F24xx)
                     restart_usb_driver(&USB_DRIVER);
+#endif
                 }
             }
             /* Woken up */
+6 −0		os/hal/ports/SN32/LLD/SN32F24xB/USB/hal_usb_lld.c
+4 −1		os/hal/ports/SN32/LLD/SN32F24xB/USB/hal_usb_lld.h
+28 −0		os/hal/ports/SN32/LLD/SN32F24xB/USB/usbhw.c
+1 −0		os/hal/ports/SN32/LLD/SN32F24xB/USB/usbhw.h