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Revert changes to ChibiOS Suspend Code (#21830)

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* Partially revert #19780

* Finish

* Get teensy 3.5/3.6 board files too

* fix lint issue

* Revert "[Bug] Restore usb suspend wakeup delay (#21676)"

This reverts commit e8e989fd7a.

* Apply suggestions from code review

Co-authored-by: Joel Challis <git@zvecr.com>

---------

Co-authored-by: Joel Challis <git@zvecr.com>
This commit is contained in:
Drashna Jaelre 2023-08-26 19:52:12 -07:00 • committed by GitHub
parent 736451558e
commit 25331be316
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 105 additions and 23 deletions
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4
platforms/chibios/boards/GENERIC_WB32_F3G71XX/board/board.c
View file

@ -80,3 +80,7 @@ void __early_init(void) {
void boardInit(void) {
}
void restart_usb_driver(USBDriver *usbp) {
// Do nothing. Restarting the USB driver on these boards breaks it.
}

4
platforms/chibios/boards/GENERIC_WB32_FQ95XX/board/board.c
View file

@ -80,3 +80,7 @@ void __early_init(void) {
void boardInit(void) {
}
void restart_usb_driver(USBDriver *usbp) {
// Do nothing. Restarting the USB driver on these boards breaks it.
}

5
platforms/chibios/boards/IC_TEENSY_3_1/board/board.c
View file

@ -144,3 +144,8 @@ void __early_init(void) {
* @todo Add your board-specific code, if any.
*/
void boardInit(void) {}
void restart_usb_driver(USBDriver *usbp) {
// Do nothing. Restarting the USB driver on these boards breaks it.
}

11
platforms/chibios/boards/PJRC_TEENSY_3_5/board/board.mk Normal file
View file

@ -0,0 +1,11 @@
include $(CHIBIOS_CONTRIB)/os/hal/boards/PJRC_TEENSY_3_5/board.mk
# List of all the board related files.
BOARDSRC += $(BOARD_PATH)/board/extra.c
# Required include directories
BOARDINC += $(BOARD_PATH)/board
# Shared variables
ALLCSRC += $(BOARDSRC)
ALLINC += $(BOARDINC)

7
platforms/chibios/boards/PJRC_TEENSY_3_5/board/extra.c Normal file
View file

@ -0,0 +1,7 @@
#include <hal.h>
void restart_usb_driver(USBDriver *usbp) {
// Do nothing. Restarting the USB driver on the Teensy 3.6 breaks it,
// resulting in a keyboard which can wake up a PC from Suspend-to-RAM, but
// does not actually produce any keypresses until you un-plug and re-plug.
}

11
platforms/chibios/boards/PJRC_TEENSY_3_6/board/board.mk Normal file
View file

@ -0,0 +1,11 @@
include $(CHIBIOS_CONTRIB)/os/hal/boards/PJRC_TEENSY_3_6/board.mk
# List of all the board related files.
BOARDSRC += $(BOARD_PATH)/board/extra.c
# Required include directories
BOARDINC += $(BOARD_PATH)/board
# Shared variables
ALLCSRC += $(BOARDSRC)
ALLINC += $(BOARDINC)

7
platforms/chibios/boards/PJRC_TEENSY_3_6/board/extra.c Normal file
View file

@ -0,0 +1,7 @@
#include <hal.h>
void restart_usb_driver(USBDriver *usbp) {
// Do nothing. Restarting the USB driver on the Teensy 3.6 breaks it,
// resulting in a keyboard which can wake up a PC from Suspend-to-RAM, but
// does not actually produce any keypresses until you un-plug and re-plug.
}

1
platforms/chibios/suspend.c
View file

@ -42,7 +42,6 @@ void suspend_wakeup_init(void) {
clear_keys();
#ifdef MOUSEKEY_ENABLE
mousekey_clear();
mousekey_send();
#endif /* MOUSEKEY_ENABLE */
#ifdef PROGRAMMABLE_BUTTON_ENABLE
programmable_button_clear();

51
tmk_core/protocol/chibios/chibios.c
View file

@ -80,6 +80,26 @@ void console_task(void);
void midi_ep_task(void);
#endif
/* TESTING
* Amber LED blinker thread, times are in milliseconds.
*/
/* set this variable to non-zero anywhere to blink once */
// static THD_WORKING_AREA(waThread1, 128);
// static THD_FUNCTION(Thread1, arg) {
// (void)arg;
// chRegSetThreadName("blinker");
// while (true) {
// systime_t time;
// time = USB_DRIVER.state == USB_ACTIVE ? 250 : 500;
// palClearLine(LINE_CAPS_LOCK);
// chSysPolledDelayX(MS2RTC(STM32_HCLK, time));
// palSetLine(LINE_CAPS_LOCK);
// chSysPolledDelayX(MS2RTC(STM32_HCLK, time));
// }
// }
/* Early initialisation
*/
__attribute__((weak)) void early_hardware_init_pre(void) {
@ -115,6 +135,9 @@ void boardInit(void) {
void protocol_setup(void) {
usb_device_state_init();
// TESTING
// chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
}
static host_driver_t *driver = NULL;
@ -157,32 +180,28 @@ void protocol_post_init(void) {
}
void protocol_pre_task(void) {
usb_event_queue_task();
#if !defined(NO_USB_STARTUP_CHECK)
if (USB_DRIVER.state == USB_SUSPENDED) {
dprintln("suspending keyboard");
while (USB_DRIVER.state == USB_SUSPENDED) {
suspend_power_down();
/* Do this in the suspended state */
suspend_power_down(); // on AVR this deep sleeps for 15ms
/* Remote wakeup */
if ((USB_DRIVER.status & USB_GETSTATUS_REMOTE_WAKEUP_ENABLED) && suspend_wakeup_condition()) {
/* issue a remote wakeup event to the host which should resume
* the bus and get our keyboard out of suspension. */
usbWakeupHost(&USB_DRIVER);
# if USB_SUSPEND_WAKEUP_DELAY > 0
/* Some hubs, kvm switches, and monitors do weird things, with
* USB device state bouncing around wildly on wakeup, yielding
* race conditions that can corrupt the keyboard state.
*
* Pause for a while to let things settle... */
wait_ms(USB_SUSPEND_WAKEUP_DELAY);
# endif
restart_usb_driver(&USB_DRIVER);
}
}
/* after a successful wakeup a USB_EVENT_WAKEUP is signaled to QMK by
* ChibiOS, which triggers a wakeup callback that restores the state of
* the keyboard. Therefore we do nothing here. */
/* Woken up */
// variables has been already cleared by the wakeup hook
send_keyboard_report();
# ifdef MOUSEKEY_ENABLE
mousekey_send();
# endif /* MOUSEKEY_ENABLE */
}
#endif
usb_event_queue_task();
}
void protocol_post_task(void) {

27
tmk_core/protocol/chibios/usb_main.c
View file

@ -784,19 +784,34 @@ void init_usb_driver(USBDriver *usbp) {
#endif
}
restart_usb_driver(usbp);
/*
* Activates the USB driver and then the USB bus pull-up on D+.
* Note, a delay is inserted in order to not have to disconnect the cable
* after a reset.
*/
usbDisconnectBus(usbp);
usbStop(usbp);
wait_ms(50);
usbStart(usbp, &usbcfg);
usbConnectBus(usbp);
chVTObjectInit(&keyboard_idle_timer);
}
/** @brief Restarts the USB driver and emulates a physical bus reconnection.
* Note that the bus reconnection is MCU and even board specific, so it might
* be a NOP on some hardware platforms.
*/
__attribute__((weak)) void restart_usb_driver(USBDriver *usbp) {
usbDisconnectBus(usbp);
usbStop(usbp);
wait_ms(50);
#if USB_SUSPEND_WAKEUP_DELAY > 0
// Some hubs, kvm switches, and monitors do
// weird things, with USB device state bouncing
// around wildly on wakeup, yielding race
// conditions that can corrupt the keyboard state.
//
// Pause for a while to let things settle...
wait_ms(USB_SUSPEND_WAKEUP_DELAY);
#endif
usbStart(usbp, &usbcfg);
usbConnectBus(usbp);
}