keyboards/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 #include "suspend.h"
  17 #include "matrix.h"
  18
  19 static int8_t sendchar_func(uint8_t c)
  20 {
  21     xmit(c);        // SUART
  22     sendchar(c);    // LUFA
  23     return 0;
  24 }
  25
  26 static void SetupHardware(void)
  27 {
  28     /* Disable watchdog if enabled by bootloader/fuses */
  29     MCUSR &= ~(1 << WDRF);
  30     wdt_disable();
  31
  32     /* Disable clock division */
  33     clock_prescale_set(clock_div_1);
  34
  35     // Leonardo needs. Without this USB device is not recognized.
  36     USB_Disable();
  37
  38     USB_Init();
  39
  40     // for Console_Task
  41     USB_Device_EnableSOFEvents();
  42     print_set_sendchar(sendchar_func);
  43
  44     // SUART PD0:output, PD1:input
  45     DDRD |= (1<<0);
  46     PORTD |= (1<<0);
  47     DDRD &= ~(1<<1);
  48     PORTD |= (1<<1);
  49 }
  50
  51 int main(void)  __attribute__ ((weak));
  52 int main(void)
  53 {
  54     SetupHardware();
  55     sei();
  56
  57     /* wait for USB startup to get ready for debug output */
  58     uint8_t timeout = 255;  // timeout when USB is not available(Bluetooth)
  59     while (timeout-- && USB_DeviceState != DEVICE_STATE_Configured) {
  60         wait_ms(4);
  61 #if defined(INTERRUPT_CONTROL_ENDPOINT)
  62         ;
  63 #else
  64         USB_USBTask();
  65 #endif
  66     }
  67     print("\nUSB init\n");
  68
  69     rn42_init();
  70     rn42_task_init();
  71     print("RN-42 init\n");
  72
  73     /* init modules */
  74     keyboard_init();
  75
  76 #ifdef SLEEP_LED_ENABLE
  77     sleep_led_init();
  78 #endif
  79
  80     print("Keyboard start\n");
  81     while (1) {
  82         while (rn42_rts() && // RN42 is off
  83                 USB_DeviceState == DEVICE_STATE_Suspended) {
  84             print("[s]");
  85             matrix_power_down();
  86             suspend_power_down();
  87             suspend_power_down();
  88             suspend_power_down();
  89             suspend_power_down();
  90             suspend_power_down();
  91             suspend_power_down();
  92             suspend_power_down();
  93             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
  94                     USB_Device_SendRemoteWakeup();
  95             }
  96         }
  97
  98         keyboard_task();
  99
 100 #if !defined(INTERRUPT_CONTROL_ENDPOINT)
 101         USB_USBTask();
 102 #endif
 103
 104         rn42_task();
 105     }
 106 }