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authorDrashna Jaelre <drashna@live.com>2020-04-05 01:18:19 -0700
committerGitHub <noreply@github.com>2020-04-05 18:18:19 +1000
commit845953cc67e33dbd9ac5007ba3b39562f5aea962 (patch)
treebac32fdde7751e8c5487af480bf41b76a0fda39f /tmk_core/protocol/vusb
parentc3c2eb71e14500117aa974e10fa670fbca893661 (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
Diffstat (limited to 'tmk_core/protocol/vusb')
-rw-r--r--tmk_core/protocol/vusb/main.c20
-rw-r--r--tmk_core/protocol/vusb/vusb.c6
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
},