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V-USB remote wakeup (#7627)

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* V-USB remote wakeup

Backport from tmk/tmk_keyboard@391c979be7

* Change vusb.c remote wake config

as per fauxpark's suggestion
This commit is contained in:
Drashna Jaelre 2020-04-05 01:18:19 -07:00 committed by GitHub
parent c3c2eb71e1
commit 845953cc67
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 5 deletions
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20
tmk_core/protocol/vusb/main.c
View File

@ -20,6 +20,7 @@
#include "timer.h"
#include "uart.h"
#include "debug.h"
#include "suspend.h"
#ifdef SLEEP_LED_ENABLE
# include "sleep_led.h"
#endif
@ -41,6 +42,23 @@ static void initForUsbConnectivity(void) {
sei();
}
void usb_remote_wakeup(void) {
cli();
int8_t ddr_orig = USBDDR;
USBOUT |= (1 << USBMINUS);
USBDDR = ddr_orig | USBMASK;
USBOUT ^= USBMASK;
_delay_ms(25);
USBOUT ^= USBMASK;
USBDDR = ddr_orig;
USBOUT &= ~(1 << USBMINUS);
sei();
}
int main(void) {
bool suspended = false;
#if USB_COUNT_SOF
@ -115,6 +133,8 @@ int main(void) {
raw_hid_task();
}
#endif
} else if (suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
}

6
tmk_core/protocol/vusb/vusb.c
View File

@ -521,11 +521,7 @@ const PROGMEM usbConfigurationDescriptor_t usbConfigurationDescriptor = {
# endif
.bConfigurationValue = 0x01,
.iConfiguration = 0x00,
# if USB_CFG_IS_SELF_POWERED
.bmAttributes = (1 << 7) | USBATTR_SELFPOWER,
# else
.bmAttributes = (1 << 7),
# endif
.bmAttributes = (1 << 7) | USBATTR_REMOTEWAKE,
.bMaxPower = USB_MAX_POWER_CONSUMPTION / 2
},