diff options
Diffstat (limited to 'tmk_core/protocol/chibios/chibios.c')
| -rw-r--r-- | tmk_core/protocol/chibios/chibios.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/tmk_core/protocol/chibios/chibios.c b/tmk_core/protocol/chibios/chibios.c new file mode 100644 index 0000000000..78a2e3fcbb --- /dev/null +++ b/tmk_core/protocol/chibios/chibios.c @@ -0,0 +1,255 @@ +/* + * (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 "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 SERIAL_LINK_ENABLE +# include "serial_link/system/serial_link.h" +#endif +#ifdef VISUALIZER_ENABLE +# include "visualizer/visualizer.h" +#endif +#ifdef MIDI_ENABLE +# include "qmk_midi.h" +#endif +#include "suspend.h" +#include "wait.h" + +/* ------------------------- + * 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_system(uint16_t data); +void send_consumer(uint16_t data); +void send_digitizer(report_digitizer_t *report); + +/* host struct */ +host_driver_t chibios_driver = {keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer}; + +#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 + +/* 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) { +#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) { + // TESTING + // chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); + + keyboard_setup(); +} + +void protocol_init(void) { + /* Init USB */ + usb_event_queue_init(); + init_usb_driver(&USB_DRIVER); + +#ifdef MIDI_ENABLE + setup_midi(); +#endif + +#ifdef SERIAL_LINK_ENABLE + init_serial_link(); +#endif + +#ifdef VISUALIZER_ENABLE + visualizer_init(); +#endif + + host_driver_t *driver = NULL; + + /* Wait until the USB or serial link is active */ + while (true) { +#if defined(WAIT_FOR_USB) || defined(SERIAL_LINK_ENABLE) + if (USB_DRIVER.state == USB_ACTIVE) { + driver = &chibios_driver; + break; + } +#else + driver = &chibios_driver; + break; +#endif +#ifdef SERIAL_LINK_ENABLE + if (is_serial_link_connected()) { + driver = get_serial_link_driver(); + break; + } + serial_link_update(); +#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"); + + /* init TMK modules */ + keyboard_init(); + host_set_driver(driver); + +#ifdef SLEEP_LED_ENABLE + sleep_led_init(); +#endif + + print("Keyboard start.\n"); +} + +void protocol_task(void) { + usb_event_queue_task(); + +#if !defined(NO_USB_STARTUP_CHECK) + if (USB_DRIVER.state == USB_SUSPENDED) { + print("[s]"); +# ifdef VISUALIZER_ENABLE + visualizer_suspend(); +# endif + while (USB_DRIVER.state == USB_SUSPENDED) { + /* Do this in the suspended state */ +# ifdef SERIAL_LINK_ENABLE + serial_link_update(); +# endif + suspend_power_down(); // on AVR this deep sleeps for 15ms + /* Remote wakeup */ + if (suspend_wakeup_condition()) { + usbWakeupHost(&USB_DRIVER); + restart_usb_driver(&USB_DRIVER); + } + } + /* Woken up */ + // variables has been already cleared by the wakeup hook + send_keyboard_report(); +# ifdef MOUSEKEY_ENABLE + mousekey_send(); +# endif /* MOUSEKEY_ENABLE */ + +# ifdef VISUALIZER_ENABLE + visualizer_resume(); +# endif + } +#endif + + keyboard_task(); +#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 +} |