diff options
Diffstat (limited to 'tmk_core/protocol')
| -rw-r--r-- | tmk_core/protocol/chibios/usb_main.c | 11 | ||||
| -rw-r--r-- | tmk_core/protocol/lufa/lufa.c | 24 |
2 files changed, 31 insertions, 4 deletions
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c index cb7aeb23b2..13b1e34d28 100644 --- a/tmk_core/protocol/chibios/usb_main.c +++ b/tmk_core/protocol/chibios/usb_main.c @@ -708,6 +708,17 @@ void init_usb_driver(USBDriver *usbp) { void restart_usb_driver(USBDriver *usbp) { usbStop(usbp); usbDisconnectBus(usbp); + +#if USB_SUSPEND_WAKEUP_DELAY > 0 + // Some hubs, kvm switches, and monitors do + // weird things, with USB device state bouncing + // around wildly on wakeup, yielding race + // conditions that can corrupt the keyboard state. + // + // Pause for a while to let things settle... + wait_ms(USB_SUSPEND_WAKEUP_DELAY); +#endif + usbStart(usbp, &usbcfg); usbConnectBus(usbp); } diff --git a/tmk_core/protocol/lufa/lufa.c b/tmk_core/protocol/lufa/lufa.c index 623aa33ff5..74e48222d0 100644 --- a/tmk_core/protocol/lufa/lufa.c +++ b/tmk_core/protocol/lufa/lufa.c @@ -435,7 +435,9 @@ void EVENT_USB_Device_Suspend() { */ void EVENT_USB_Device_WakeUp() { print("[W]"); +#if defined(NO_USB_STARTUP_CHECK) suspend_wakeup_init(); +#endif #ifdef SLEEP_LED_ENABLE sleep_led_disable(); @@ -1073,12 +1075,26 @@ int main(void) { print("Keyboard start.\n"); while (1) { #if !defined(NO_USB_STARTUP_CHECK) - while (USB_DeviceState == DEVICE_STATE_Suspended) { + if (USB_DeviceState == DEVICE_STATE_Suspended) { print("[s]"); - suspend_power_down(); - if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) { - USB_Device_SendRemoteWakeup(); + while (USB_DeviceState == DEVICE_STATE_Suspended) { + suspend_power_down(); + if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) { + USB_Device_SendRemoteWakeup(); + clear_keyboard(); + +# if USB_SUSPEND_WAKEUP_DELAY > 0 + // Some hubs, kvm switches, and monitors do + // weird things, with USB device state bouncing + // around wildly on wakeup, yielding race + // conditions that can corrupt the keyboard state. + // + // Pause for a while to let things settle... + wait_ms(USB_SUSPEND_WAKEUP_DELAY); +# endif + } } + suspend_wakeup_init(); } #endif |