converter/usb_usb/main.cpp

   1 #include <avr/io.h>
   2 #include <avr/wdt.h>
   3 #include <avr/power.h>
   4 #include <util/delay.h>
   5
   6 // LUFA
   7 #include "lufa.h"
   8
   9 #include "sendchar.h"
  10 #include "debug.h"
  11 #include "keyboard.h"
  12 #include "led.h"
  13
  14
  15 /* LED ping configuration */
  16 #define TMK_LED
  17 //#define LEONARDO_LED
  18 #if defined(TMK_LED)
  19 // For TMK converter and Teensy
  20 #define LED_TX_INIT    (DDRD  |=  (1<<6))
  21 #define LED_TX_ON      (PORTD |=  (1<<6))
  22 #define LED_TX_OFF     (PORTD &= ~(1<<6))
  23 #define LED_TX_TOGGLE  (PORTD ^=  (1<<6))
  24 #elif defined(LEONARDO_LED)
  25 // For Leonardo(TX LED)
  26 #define LED_TX_INIT    (DDRD  |=  (1<<5))
  27 #define LED_TX_ON      (PORTD &= ~(1<<5))
  28 #define LED_TX_OFF     (PORTD |=  (1<<5))
  29 #define LED_TX_TOGGLE  (PORTD ^=  (1<<5))
  30 #else
  31 #define LED_TX_INIT
  32 #define LED_TX_ON
  33 #define LED_TX_OFF
  34 #define LED_TX_TOGGLE
  35 #endif
  36
  37
  38 static void LUFA_setup(void)
  39 {
  40     /* Disable watchdog if enabled by bootloader/fuses */
  41     MCUSR &= ~(1 << WDRF);
  42     wdt_disable();
  43
  44     /* Disable clock division */
  45 #if (F_CPU == 8000000)
  46     clock_prescale_set(clock_div_2);    // 16MHz crystal divided by 2
  47 #else
  48     clock_prescale_set(clock_div_1);
  49 #endif
  50
  51     // Leonardo needs. Without this USB device is not recognized.
  52     USB_Disable();
  53
  54     USB_Init();
  55
  56     // for Console_Task
  57     USB_Device_EnableSOFEvents();
  58     print_set_sendchar(sendchar);
  59 }
  60
  61
  62
  63 int main(void)
  64 {
  65     // LED for debug
  66     LED_TX_INIT;
  67     LED_TX_ON;
  68
  69     debug_enable = true;
  70     debug_keyboard = true;
  71
  72     host_set_driver(&lufa_driver);
  73     keyboard_init();
  74
  75     LUFA_setup();
  76
  77     /* NOTE: Don't insert time consuming job here.
  78      * It'll cause unclear initialization failure when DFU reset(worm start).
  79      */
  80     sei();
  81
  82 /* Some keyboards bootup quickly and cannot be initialized with this startup wait.
  83     // wait for startup of sendchar routine
  84     while (USB_DeviceState != DEVICE_STATE_Configured) ;
  85     if (debug_enable) {
  86         _delay_ms(1000);
  87     }
  88 */
  89
  90     debug("init: done\n");
  91
  92     for (;;) {
  93         keyboard_task();
  94
  95 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
  96         // LUFA Task for control request
  97         USB_USBTask();
  98 #endif
  99     }
 100
 101     return 0;
 102 }