keyboard/hhkb_rn42/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 #include "suspend.h"
  17
  18 static int8_t sendchar_func(uint8_t c)
  19 {
  20     sendchar(c);    // LUFA
  21     xmit(c);        // SUART
  22     return 0;
  23 }
  24
  25 static void SetupHardware(void)
  26 {
  27     /* Disable watchdog if enabled by bootloader/fuses */
  28     MCUSR &= ~(1 << WDRF);
  29     wdt_disable();
  30
  31     /* Disable clock division */
  32     clock_prescale_set(clock_div_1);
  33
  34     // Leonardo needs. Without this USB device is not recognized.
  35     USB_Disable();
  36
  37     USB_Init();
  38
  39     // for Console_Task
  40     USB_Device_EnableSOFEvents();
  41     print_set_sendchar(sendchar_func);
  42
  43     // SUART PD0:output, PD1:input
  44     DDRD |= (1<<0);
  45     PORTD |= (1<<0);
  46     DDRD &= ~(1<<1);
  47     PORTD |= (1<<1);
  48 }
  49
  50 int main(void)  __attribute__ ((weak));
  51 int main(void)
  52 {
  53     SetupHardware();
  54     sei();
  55
  56     /* wait for USB startup to get ready for debug output */
  57     uint8_t timeout = 255;  // timeout when USB is not available(Bluetooth)
  58     while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
  59         wait_ms(4);
  60 #if defined(INTERRUPT_CONTROL_ENDPOINT)
  61         ;
  62 #else
  63         USB_USBTask();
  64 #endif
  65     }
  66     print("USB configured.\n");
  67
  68     rn42_init();
  69     rn42_task_init();
  70     print("RN-42 init\n");
  71
  72     /* init modules */
  73     keyboard_init();
  74
  75     if (!rn42_rts()) {
  76         host_set_driver(&rn42_driver);
  77     } else {
  78         host_set_driver(&lufa_driver);
  79     }
  80
  81 #ifdef SLEEP_LED_ENABLE
  82     sleep_led_init();
  83 #endif
  84
  85     print("Keyboard start.\n");
  86     while (1) {
  87         while (USB_DeviceState == DEVICE_STATE_Suspended) {
  88             suspend_power_down(WDTO_120MS);
  89             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
  90                     USB_Device_SendRemoteWakeup();
  91             }
  92         }
  93
  94         keyboard_task();
  95
  96 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
  97         USB_USBTask();
  98 #endif
  99
 100         rn42_task();
 101     }
 102 }