Address wake from sleep instability (#11450)
* resolve race condition between suspend and wake in LUFA * avoid multiple calls to suspend_power_down() / suspend_wakeup_init() * Remove duplicate suspend_power_down_kb() call * pause on wakeup to wait for USB state to settle * need the repeated suspend_power_down() (that's where the sleep is) * more efficient implementation * fine tune the pause after sending wakeup * speculative chibios version of pause-after-wake * make wakeup delay configurable, and adjust value * better location for wakeup delay
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5 changed files with 37 additions and 5 deletions
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@ -12,3 +12,7 @@ void suspend_wakeup_init_user(void);
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void suspend_wakeup_init_kb(void);
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void suspend_power_down_user(void);
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void suspend_power_down_kb(void);
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#ifndef USB_SUSPEND_WAKEUP_DELAY
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# define USB_SUSPEND_WAKEUP_DELAY 200
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#endif
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