diff options
| -rw-r--r-- | tmk_core/protocol/chibios/main.c | 3 | ||||
| -rw-r--r-- | tmk_core/protocol/chibios/usb_main.c | 75 | ||||
| -rw-r--r-- | tmk_core/protocol/chibios/usb_main.h | 11 |
3 files changed, 80 insertions, 9 deletions
diff --git a/tmk_core/protocol/chibios/main.c b/tmk_core/protocol/chibios/main.c index e07c181fc8..63e4c99d21 100644 --- a/tmk_core/protocol/chibios/main.c +++ b/tmk_core/protocol/chibios/main.c @@ -163,6 +163,7 @@ int main(void) { keyboard_setup(); /* Init USB */ + usb_event_queue_init(); init_usb_driver(&USB_DRIVER); #ifdef MIDI_ENABLE @@ -221,6 +222,8 @@ int main(void) { /* Main loop */ while (true) { + usb_event_queue_task(); + #if !defined(NO_USB_STARTUP_CHECK) if (USB_DRIVER.state == USB_SUSPENDED) { print("[s]"); diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c index ad489fb916..cb7aeb23b2 100644 --- a/tmk_core/protocol/chibios/usb_main.c +++ b/tmk_core/protocol/chibios/usb_main.c @@ -27,6 +27,7 @@ #include <ch.h> #include <hal.h> +#include <string.h> #include "usb_main.h" @@ -368,6 +369,69 @@ static usb_driver_configs_t drivers = { * --------------------------------------------------------- */ +#define USB_EVENT_QUEUE_SIZE 16 +usbevent_t event_queue[USB_EVENT_QUEUE_SIZE]; +uint8_t event_queue_head; +uint8_t event_queue_tail; + +void usb_event_queue_init(void) { + // Initialise the event queue + memset(&event_queue, 0, sizeof(event_queue)); + event_queue_head = 0; + event_queue_tail = 0; +} + +static inline bool usb_event_queue_enqueue(usbevent_t event) { + uint8_t next = (event_queue_head + 1) % USB_EVENT_QUEUE_SIZE; + if (next == event_queue_tail) { + return false; + } + event_queue[event_queue_head] = event; + event_queue_head = next; + return true; +} + +static inline bool usb_event_queue_dequeue(usbevent_t *event) { + if (event_queue_head == event_queue_tail) { + return false; + } + *event = event_queue[event_queue_tail]; + event_queue_tail = (event_queue_tail + 1) % USB_EVENT_QUEUE_SIZE; + return true; +} + +static inline void usb_event_suspend_handler(void) { +#ifdef SLEEP_LED_ENABLE + sleep_led_enable(); +#endif /* SLEEP_LED_ENABLE */ +} + +static inline void usb_event_wakeup_handler(void) { + suspend_wakeup_init(); +#ifdef SLEEP_LED_ENABLE + sleep_led_disable(); + // NOTE: converters may not accept this + led_set(host_keyboard_leds()); +#endif /* SLEEP_LED_ENABLE */ +} + +void usb_event_queue_task(void) { + usbevent_t event; + while (usb_event_queue_dequeue(&event)) { + switch (event) { + case USB_EVENT_SUSPEND: + usb_event_suspend_handler(); + break; + case USB_EVENT_WAKEUP: + usb_event_wakeup_handler(); + break; + default: + // Nothing to do, we don't handle it. + break; + } + } +} + /* Handles the USB driver global events * TODO: maybe disable some things when connection is lost? */ static void usb_event_cb(USBDriver *usbp, usbevent_t event) { @@ -402,9 +466,7 @@ static void usb_event_cb(USBDriver *usbp, usbevent_t event) { osalSysUnlockFromISR(); return; case USB_EVENT_SUSPEND: -#ifdef SLEEP_LED_ENABLE - sleep_led_enable(); -#endif /* SLEEP_LED_ENABLE */ + usb_event_queue_enqueue(USB_EVENT_SUSPEND); /* Falls into.*/ case USB_EVENT_UNCONFIGURED: /* Falls into.*/ @@ -425,12 +487,7 @@ static void usb_event_cb(USBDriver *usbp, usbevent_t event) { qmkusbWakeupHookI(&drivers.array[i].driver); chSysUnlockFromISR(); } - suspend_wakeup_init(); -#ifdef SLEEP_LED_ENABLE - sleep_led_disable(); - // NOTE: converters may not accept this - led_set(host_keyboard_leds()); -#endif /* SLEEP_LED_ENABLE */ + usb_event_queue_enqueue(USB_EVENT_WAKEUP); return; case USB_EVENT_STALLED: diff --git a/tmk_core/protocol/chibios/usb_main.h b/tmk_core/protocol/chibios/usb_main.h index eaa08d8f79..fb33c8cd0f 100644 --- a/tmk_core/protocol/chibios/usb_main.h +++ b/tmk_core/protocol/chibios/usb_main.h @@ -38,6 +38,17 @@ void init_usb_driver(USBDriver *usbp); void restart_usb_driver(USBDriver *usbp); /* --------------- + * USB Event queue + * --------------- + */ + +/* Initialisation of the FIFO */ +void usb_event_queue_init(void); + +/* Task to dequeue and execute any handlers for the USB events on the main thread */ +void usb_event_queue_task(void); + +/* --------------- * Keyboard header * --------------- */ |