keyboard/hhkb_rn42/main.c

   1 #include <avr/io.h>
   2 #include <avr/power.h>
   3 #include <avr/wdt.h>
   4 #include "lufa.h"
   5 #include "print.h"
   6 #include "sendchar.h"
   7
   8
   9 static void SetupHardware(void)
  10 {
  11     /* Disable watchdog if enabled by bootloader/fuses */
  12     MCUSR &= ~(1 << WDRF);
  13     wdt_disable();
  14
  15     /* Disable clock division */
  16     clock_prescale_set(clock_div_1);
  17
  18     // Leonardo needs. Without this USB device is not recognized.
  19     USB_Disable();
  20
  21     USB_Init();
  22
  23     // for Console_Task
  24     USB_Device_EnableSOFEvents();
  25     print_set_sendchar(sendchar);
  26 }
  27
  28 int main(void)  __attribute__ ((weak));
  29 int main(void)
  30 {
  31     SetupHardware();
  32     sei();
  33
  34     /* wait for USB startup & debug output */
  35     while (USB_DeviceState != DEVICE_STATE_Configured) {
  36 #if defined(INTERRUPT_CONTROL_ENDPOINT)
  37         ;
  38 #else
  39         USB_USBTask();
  40 #endif
  41     }
  42     print("USB configured.\n");
  43
  44     /* init modules */
  45     keyboard_init();
  46     host_set_driver(&lufa_driver);
  47 #ifdef SLEEP_LED_ENABLE
  48     sleep_led_init();
  49 #endif
  50
  51     print("Keyboard start.\n");
  52     while (1) {
  53         while (USB_DeviceState == DEVICE_STATE_Suspended) {
  54             suspend_power_down();
  55             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
  56                     USB_Device_SendRemoteWakeup();
  57             }
  58         }
  59
  60         keyboard_task();
  61
  62 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
  63         USB_USBTask();
  64 #endif
  65     }
  66 }
  67