tmk_core/protocol/chibios/main.c

   1 /*
   2  * (c) 2015 flabberast <s3+flabbergast@sdfeu.org>
   3  *
   4  * Based on the following work:
   5  *  - Guillaume Duc's raw hid example (MIT License)
   6  *    https://github.com/guiduc/usb-hid-chibios-example
   7  *  - PJRC Teensy examples (MIT License)
   8  *    https://www.pjrc.com/teensy/usb_keyboard.html
   9  *  - hasu's TMK keyboard code (GPL v2 and some code Modified BSD)
  10  *    https://github.com/tmk/tmk_keyboard/
  11  *  - ChibiOS demo code (Apache 2.0 License)
  12  *    http://www.chibios.org
  13  *
  14  * Since some GPL'd code is used, this work is licensed under
  15  * GPL v2 or later.
  16  */
  17
  18 #include "ch.h"
  19 #include "hal.h"
  20
  21 #include "usb_main.h"
  22
  23 /* TMK includes */
  24 #include "report.h"
  25 #include "host.h"
  26 #include "host_driver.h"
  27 #include "keyboard.h"
  28 #include "action.h"
  29 #include "action_util.h"
  30 #include "mousekey.h"
  31 #include "led.h"
  32 #include "sendchar.h"
  33 #include "debug.h"
  34 #include "printf.h"
  35 #ifdef SLEEP_LED_ENABLE
  36 #include "sleep_led.h"
  37 #endif
  38 #ifdef SERIAL_LINK_ENABLE
  39 #include "serial_link/system/serial_link.h"
  40 #endif
  41 #ifdef VISUALIZER_ENABLE
  42 #include "visualizer/visualizer.h"
  43 #endif
  44 #ifdef MIDI_ENABLE
  45 #include "qmk_midi.h"
  46 #endif
  47 #ifdef STM32F303xC
  48 #include "eeprom_stm32.h"
  49 #endif
  50 #include "suspend.h"
  51 #include "wait.h"
  52
  53 /* -------------------------
  54  *   TMK host driver defs
  55  * -------------------------
  56  */
  57
  58 /* declarations */
  59 uint8_t keyboard_leds(void);
  60 void send_keyboard(report_keyboard_t *report);
  61 void send_mouse(report_mouse_t *report);
  62 void send_system(uint16_t data);
  63 void send_consumer(uint16_t data);
  64
  65 /* host struct */
  66 host_driver_t chibios_driver = {
  67   keyboard_leds,
  68   send_keyboard,
  69   send_mouse,
  70   send_system,
  71   send_consumer
  72 };
  73
  74 #ifdef VIRTSER_ENABLE
  75 void virtser_task(void);
  76 #endif
  77
  78 #ifdef RAW_HID_ENABLE
  79 void raw_hid_task(void);
  80 #endif
  81
  82 #ifdef CONSOLE_ENABLE
  83 void console_task(void);
  84 #endif
  85
  86 /* TESTING
  87  * Amber LED blinker thread, times are in milliseconds.
  88  */
  89 /* set this variable to non-zero anywhere to blink once */
  90 // static THD_WORKING_AREA(waThread1, 128);
  91 // static THD_FUNCTION(Thread1, arg) {
  92
  93 //   (void)arg;
  94 //   chRegSetThreadName("blinker");
  95 //   while (true) {
  96 //     systime_t time;
  97
  98 //     time = USB_DRIVER.state == USB_ACTIVE ? 250 : 500;
  99 //     palClearLine(LINE_CAPS_LOCK);
 100 //     chSysPolledDelayX(MS2RTC(STM32_HCLK, time));
 101 //     palSetLine(LINE_CAPS_LOCK);
 102 //     chSysPolledDelayX(MS2RTC(STM32_HCLK, time));
 103 //   }
 104 // }
 105
 106
 107
 108 /* Main thread
 109  */
 110 int main(void) {
 111   /* ChibiOS/RT init */
 112   halInit();
 113   chSysInit();
 114
 115 #ifdef STM32F303xC
 116   EEPROM_init();
 117 #endif
 118
 119   // TESTING
 120   // chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
 121
 122   /* Init USB */
 123   init_usb_driver(&USB_DRIVER);
 124
 125   /* init printf */
 126   init_printf(NULL,sendchar_pf);
 127
 128 #ifdef MIDI_ENABLE
 129   setup_midi();
 130 #endif
 131
 132 #ifdef SERIAL_LINK_ENABLE
 133   init_serial_link();
 134 #endif
 135
 136 #ifdef VISUALIZER_ENABLE
 137   visualizer_init();
 138 #endif
 139
 140
 141   host_driver_t* driver = NULL;
 142
 143   /* Wait until the USB or serial link is active */
 144   while (true) {
 145 #if defined(WAIT_FOR_USB) || defined(SERIAL_LINK_ENABLE)
 146     if(USB_DRIVER.state == USB_ACTIVE) {
 147       driver = &chibios_driver;
 148       break;
 149     }
 150 #else
 151     driver = &chibios_driver;
 152     break;
 153 #endif
 154 #ifdef SERIAL_LINK_ENABLE
 155     if(is_serial_link_connected()) {
 156       driver = get_serial_link_driver();
 157       break;
 158     }
 159     serial_link_update();
 160 #endif
 161     wait_ms(50);
 162   }
 163
 164   /* Do need to wait here!
 165    * Otherwise the next print might start a transfer on console EP
 166    * before the USB is completely ready, which sometimes causes
 167    * HardFaults.
 168    */
 169   wait_ms(50);
 170
 171   print("USB configured.\n");
 172
 173   /* init TMK modules */
 174   keyboard_init();
 175   host_set_driver(driver);
 176
 177 #ifdef SLEEP_LED_ENABLE
 178   sleep_led_init();
 179 #endif
 180
 181   print("Keyboard start.\n");
 182
 183   /* Main loop */
 184   while(true) {
 185
 186 #if !defined(NO_USB_STARTUP_CHECK)
 187     if(USB_DRIVER.state == USB_SUSPENDED) {
 188       print("[s]");
 189 #ifdef VISUALIZER_ENABLE
 190       visualizer_suspend();
 191 #endif
 192       while(USB_DRIVER.state == USB_SUSPENDED) {
 193         /* Do this in the suspended state */
 194 #ifdef SERIAL_LINK_ENABLE
 195         serial_link_update();
 196 #endif
 197         suspend_power_down(); // on AVR this deep sleeps for 15ms
 198         /* Remote wakeup */
 199         if(suspend_wakeup_condition()) {
 200           usbWakeupHost(&USB_DRIVER);
 201         }
 202       }
 203       /* Woken up */
 204       // variables has been already cleared by the wakeup hook
 205       send_keyboard_report();
 206 #ifdef MOUSEKEY_ENABLE
 207       mousekey_send();
 208 #endif /* MOUSEKEY_ENABLE */
 209
 210 #ifdef VISUALIZER_ENABLE
 211       visualizer_resume();
 212 #endif
 213     }
 214 #endif
 215
 216     keyboard_task();
 217 #ifdef CONSOLE_ENABLE
 218     console_task();
 219 #endif
 220 #ifdef VIRTSER_ENABLE
 221     virtser_task();
 222 #endif
 223 #ifdef RAW_HID_ENABLE
 224     raw_hid_task();
 225 #endif
 226   }
 227 }