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 #include "rn42.h"
   8 #include "rn42_task.h"
   9 #include "serial.h"
  10 #include "keyboard.h"
  11 #include "keycode.h"
  12 #include "action.h"
  13 #include "action_util.h"
  14 #include "wait.h"
  15 #include "suart.h"
  16
  17 static int8_t sendchar_func(uint8_t c)
  18 {
  19     sendchar(c);    // LUFA
  20     xmit(c);        // SUART
  21     return 0;
  22 }
  23
  24 static void SetupHardware(void)
  25 {
  26     /* Disable watchdog if enabled by bootloader/fuses */
  27     MCUSR &= ~(1 << WDRF);
  28     wdt_disable();
  29
  30     /* Disable clock division */
  31     clock_prescale_set(clock_div_1);
  32
  33     // Leonardo needs. Without this USB device is not recognized.
  34     USB_Disable();
  35
  36     USB_Init();
  37
  38     // for Console_Task
  39     USB_Device_EnableSOFEvents();
  40     print_set_sendchar(sendchar_func);
  41
  42     // SUART PD0:output, PD1:input
  43     DDRD |= (1<<0);
  44     PORTD |= (1<<0);
  45     DDRD &= ~(1<<1);
  46     PORTD |= (1<<1);
  47 }
  48
  49 int main(void)  __attribute__ ((weak));
  50 int main(void)
  51 {
  52     SetupHardware();
  53     sei();
  54
  55     /* wait for USB startup to get ready for debug output */
  56     uint8_t timeout = 255;  // timeout when USB is not available(Bluetooth)
  57     while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
  58         wait_ms(4);
  59 #if defined(INTERRUPT_CONTROL_ENDPOINT)
  60         ;
  61 #else
  62         USB_USBTask();
  63 #endif
  64     }
  65     print("USB configured.\n");
  66
  67     rn42_init();
  68     rn42_task_init();
  69     print("RN-42 init\n");
  70
  71     /* init modules */
  72     keyboard_init();
  73
  74     if (!rn42_rts()) {
  75         host_set_driver(&rn42_driver);
  76     } else {
  77         host_set_driver(&lufa_driver);
  78     }
  79
  80 #ifdef SLEEP_LED_ENABLE
  81     sleep_led_init();
  82 #endif
  83
  84     print("Keyboard start.\n");
  85     while (1) {
  86         while (USB_DeviceState == DEVICE_STATE_Suspended) {
  87             suspend_power_down();
  88             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
  89                     USB_Device_SendRemoteWakeup();
  90             }
  91         }
  92
  93         keyboard_task();
  94
  95 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
  96         USB_USBTask();
  97 #endif
  98
  99         rn42_task();
 100     }
 101 }