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V-USB suspend refactor (#11891)

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Ryan 2021-02-25 15:54:25 +11:00 • committed by GitHub
parent 46f4422a87
commit 39694d5eb0
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6 changed files with 107 additions and 85 deletions
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54
tmk_core/protocol/vusb/main.c
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@ -53,10 +53,10 @@ static void initForUsbConnectivity(void) {
usbDeviceConnect();
}
static void usb_remote_wakeup(void) {
static void vusb_send_remote_wakeup(void) {
cli();
int8_t ddr_orig = USBDDR;
uint8_t ddr_orig = USBDDR;
USBOUT |= (1 << USBMINUS);
USBDDR = ddr_orig | USBMASK;
USBOUT ^= USBMASK;
@ -70,6 +70,27 @@ static void usb_remote_wakeup(void) {
sei();
}
bool vusb_suspended = false;
static void vusb_suspend(void) {
vusb_suspended = true;
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
suspend_power_down();
}
static void vusb_wakeup(void) {
vusb_suspended = false;
suspend_wakeup_init();
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
#endif
}
/** \brief Setup USB
*
* FIXME: Needs doc
@ -87,9 +108,8 @@ static void setup_usb(void) {
*/
int main(void) __attribute__((weak));
int main(void) {
bool suspended = false;
#if USB_COUNT_SOF
uint16_t last_timer = timer_read();
uint16_t sof_timer = timer_read();
#endif
#ifdef CLKPR
@ -112,23 +132,24 @@ int main(void) {
while (1) {
#if USB_COUNT_SOF
if (usbSofCount != 0) {
suspended = false;
usbSofCount = 0;
last_timer = timer_read();
# ifdef SLEEP_LED_ENABLE
sleep_led_disable();
# endif
sof_timer = timer_read();
if (vusb_suspended) {
vusb_wakeup();
}
} else {
// Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
if (timer_elapsed(last_timer) > 5) {
suspended = true;
# ifdef SLEEP_LED_ENABLE
sleep_led_enable();
# endif
if (!vusb_suspended && timer_elapsed(sof_timer) > 5) {
vusb_suspend();
}
}
#endif
if (!suspended) {
if (vusb_suspended) {
vusb_suspend();
if (suspend_wakeup_condition()) {
vusb_send_remote_wakeup();
}
} else {
usbPoll();
// TODO: configuration process is inconsistent. it sometime fails.
@ -145,6 +166,7 @@ int main(void) {
raw_hid_task();
}
#endif
#ifdef CONSOLE_ENABLE
usbPoll();
@ -156,8 +178,6 @@ int main(void) {
// Run housekeeping
housekeeping_task_kb();
housekeeping_task_user();
} else if (suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
}