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authorDrashna Jaelre <drashna@live.com>2023-08-26 19:52:12 -0700
committerGitHub <noreply@github.com>2023-08-27 03:52:12 +0100
commit25331be3164ca609ebecbfcc727ce904e3676594 (patch)
treecd82b1dc06085a977c1ccb9a6c6ba5752a037bc7 /tmk_core/protocol/chibios
parent736451558e3c66d10838625a30c904cfa30b170c (diff)
Revert changes to ChibiOS Suspend Code (#21830)
* 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 e8e989fd7ad7c10e725e50ae8b0a4426e09f7f30. * Apply suggestions from code review Co-authored-by: Joel Challis <git@zvecr.com> --------- Co-authored-by: Joel Challis <git@zvecr.com>
Diffstat (limited to 'tmk_core/protocol/chibios')
-rw-r--r--tmk_core/protocol/chibios/chibios.c51
-rw-r--r--tmk_core/protocol/chibios/usb_main.c27
2 files changed, 56 insertions, 22 deletions
diff --git a/tmk_core/protocol/chibios/chibios.c b/tmk_core/protocol/chibios/chibios.c
index ac39606179..4d97f1cd82 100644
--- a/tmk_core/protocol/chibios/chibios.c
+++ b/tmk_core/protocol/chibios/chibios.c
@@ -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) {
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c
index e1327f065c..b14ca30c1a 100644
--- a/tmk_core/protocol/chibios/usb_main.c
+++ b/tmk_core/protocol/chibios/usb_main.c
@@ -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);
}