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/*
* (c) 2015 flabberast <s3+flabbergast@sdfeu.org>
*
* Based on the following work:
* - Guillaume Duc's raw hid example (MIT License)
* https://github.com/guiduc/usb-hid-chibios-example
* - PJRC Teensy examples (MIT License)
* https://www.pjrc.com/teensy/usb_keyboard.html
* - hasu's TMK keyboard code (GPL v2 and some code Modified BSD)
* https://github.com/tmk/tmk_keyboard/
* - ChibiOS demo code (Apache 2.0 License)
* http://www.chibios.org
*
* Since some GPL'd code is used, this work is licensed under
* GPL v2 or later.
*/
#include <ch.h>
#include <hal.h>
#include "usb_main.h"
/* TMK includes */
#include "report.h"
#include "host.h"
#include "host_driver.h"
#include "keyboard.h"
#include "action.h"
#include "action_util.h"
#include "usb_device_state.h"
#include "mousekey.h"
#include "led.h"
#include "sendchar.h"
#include "debug.h"
#include "print.h"
#ifndef EARLY_INIT_PERFORM_BOOTLOADER_JUMP
// Change this to be TRUE once we've migrated keyboards to the new init system
// Remember to change docs/platformdev_chibios_earlyinit.md as well.
# define EARLY_INIT_PERFORM_BOOTLOADER_JUMP FALSE
#endif
#ifdef SLEEP_LED_ENABLE
# include "sleep_led.h"
#endif
#ifdef MIDI_ENABLE
# include "qmk_midi.h"
#endif
#include "suspend.h"
#include "wait.h"
#define USB_GETSTATUS_REMOTE_WAKEUP_ENABLED (2U)
/* -------------------------
* TMK host driver defs
* -------------------------
*/
/* declarations */
uint8_t keyboard_leds(void);
void send_keyboard(report_keyboard_t *report);
void send_mouse(report_mouse_t *report);
void send_extra(report_extra_t *report);
/* host struct */
host_driver_t chibios_driver = {keyboard_leds, send_keyboard, send_mouse, send_extra};
#ifdef VIRTSER_ENABLE
void virtser_task(void);
#endif
#ifdef RAW_ENABLE
void raw_hid_task(void);
#endif
#ifdef CONSOLE_ENABLE
void console_task(void);
#endif
#ifdef MIDI_ENABLE
void midi_ep_task(void);
#endif
/* Early initialisation
*/
__attribute__((weak)) void early_hardware_init_pre(void) {
#if EARLY_INIT_PERFORM_BOOTLOADER_JUMP
void enter_bootloader_mode_if_requested(void);
enter_bootloader_mode_if_requested();
#endif // EARLY_INIT_PERFORM_BOOTLOADER_JUMP
}
__attribute__((weak)) void early_hardware_init_post(void) {}
__attribute__((weak)) void board_init(void) {}
// This overrides what's normally in ChibiOS board definitions
void __early_init(void) {
early_hardware_init_pre();
// This is the renamed equivalent of __early_init in the board.c file
void __chibios_override___early_init(void);
__chibios_override___early_init();
early_hardware_init_post();
}
// This overrides what's normally in ChibiOS board definitions
void boardInit(void) {
// This is the renamed equivalent of boardInit in the board.c file
void __chibios_override_boardInit(void);
__chibios_override_boardInit();
board_init();
}
void protocol_setup(void) {
usb_device_state_init();
}
static host_driver_t *driver = NULL;
void protocol_pre_init(void) {
/* Init USB */
usb_event_queue_init();
init_usb_driver(&USB_DRIVER);
#ifdef MIDI_ENABLE
setup_midi();
#endif
/* Wait until USB is active */
while (true) {
#if defined(WAIT_FOR_USB)
if (USB_DRIVER.state == USB_ACTIVE) {
driver = &chibios_driver;
break;
}
#else
driver = &chibios_driver;
break;
#endif
wait_ms(50);
}
/* Do need to wait here!
* Otherwise the next print might start a transfer on console EP
* before the USB is completely ready, which sometimes causes
* HardFaults.
*/
wait_ms(50);
print("USB configured.\n");
}
void protocol_post_init(void) {
host_set_driver(driver);
}
void protocol_pre_task(void) {
#if !defined(NO_USB_STARTUP_CHECK)
if (USB_DRIVER.state == USB_SUSPENDED) {
dprintln("suspending keyboard");
while (USB_DRIVER.state == USB_SUSPENDED) {
suspend_power_down();
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
}
}
/* 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. */
}
#endif
usb_event_queue_task();
}
void protocol_post_task(void) {
#ifdef CONSOLE_ENABLE
console_task();
#endif
#ifdef MIDI_ENABLE
midi_ep_task();
#endif
#ifdef VIRTSER_ENABLE
virtser_task();
#endif
#ifdef RAW_ENABLE
raw_hid_task();
#endif
}
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