diff options
| author | Drashna Jaelre <drashna@live.com> | 2020-04-05 01:18:19 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-05 18:18:19 +1000 |
| commit | 845953cc67e33dbd9ac5007ba3b39562f5aea962 (patch) | |
| tree | bac32fdde7751e8c5487af480bf41b76a0fda39f | |
| parent | c3c2eb71e14500117aa974e10fa670fbca893661 (diff) | |
V-USB remote wakeup (#7627)
* V-USB remote wakeup
Backport from tmk/tmk_keyboard@391c979be751eaf113c8f53c36644a6bb6ff12f6
* Change vusb.c remote wake config
as per fauxpark's suggestion
| -rw-r--r-- | tmk_core/protocol/vusb/main.c | 20 | ||||
| -rw-r--r-- | tmk_core/protocol/vusb/vusb.c | 6 |
2 files changed, 21 insertions, 5 deletions
diff --git a/tmk_core/protocol/vusb/main.c b/tmk_core/protocol/vusb/main.c index 1ab765343b..610638e7d4 100644 --- a/tmk_core/protocol/vusb/main.c +++ b/tmk_core/protocol/vusb/main.c @@ -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(); } } } diff --git a/tmk_core/protocol/vusb/vusb.c b/tmk_core/protocol/vusb/vusb.c index 00314ebe83..470d29ba39 100644 --- a/tmk_core/protocol/vusb/vusb.c +++ b/tmk_core/protocol/vusb/vusb.c @@ -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 }, |