1 files changed, 4 insertions, 83 deletions

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index 127dece547..7c70720901 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -36,20 +36,18 @@
   this software.
 */
 
-#include <avr/sleep.h>
-#include <avr/wdt.h>
 #include "report.h"
 #include "host.h"
 #include "host_driver.h"
 #include "keyboard.h"
 #include "action.h"
-#include "matrix.h"
 #include "led.h"
 #include "sendchar.h"
 #include "debug.h"
 #ifdef SLEEP_LED_ENABLE
 #include "sleep_led.h"
 #endif
+#include "suspend.h"
 
 #include "descriptor.h"
 #include "lufa.h"
@@ -170,9 +168,7 @@ void EVENT_USB_Device_Suspend()
 
 void EVENT_USB_Device_WakeUp()
 {
-    // initialize
-    matrix_init();
-    clear_keyboard();
+    suspend_wakeup_init();
 
 #ifdef SLEEP_LED_ENABLE
     sleep_led_disable();
@@ -503,32 +499,6 @@ static void SetupHardware(void)
     USB_Device_EnableSOFEvents();
 }
 
-
-static bool wakeup_condition(void)
-{
-    matrix_scan();
-    for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
-        if (matrix_get_row(r)) return true;
-    }
-    return false;
-}
-
-#define wdt_intr_enable(value)   \
-__asm__ __volatile__ (  \
-    "in __tmp_reg__,__SREG__" "\n\t"    \
-    "cli" "\n\t"    \
-    "wdr" "\n\t"    \
-    "sts %0,%1" "\n\t"  \
-    "out __SREG__,__tmp_reg__" "\n\t"   \
-    "sts %0,%2" "\n\t" \
-    : /* no outputs */  \
-    : "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
-    "r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
-    "r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \
-        _BV(WDIE) | (value & 0x07)) ) \
-    : "r0"  \
-)
-
 int main(void)  __attribute__ ((weak));
 int main(void)
 {
@@ -541,42 +511,10 @@ int main(void)
     sei();
 
     while (1) {
-        // while suspend
         while (USB_DeviceState == DEVICE_STATE_Suspended) {
-#ifndef NO_SUSPEND_POWER_DOWN
-            // Enable watchdog to wake from MCU sleep
-            cli();
-            wdt_reset();
-
-            // Watchdog Interrupt and System Reset Mode
-            //wdt_enable(WDTO_1S);
-            //WDTCSR |= _BV(WDIE);
-            
-            // Watchdog Interrupt Mode
-            wdt_intr_enable(WDTO_120MS);
-            
-            // TODO: more power saving
-            // See PicoPower application note
-            // - I/O port input with pullup
-            // - prescale clock
-            // - BOD disable
-            // - Power Reduction Register PRR
-            // sleep in power down mode
-            set_sleep_mode(SLEEP_MODE_PWR_DOWN);
-            sleep_enable();
-            sei();
-            sleep_cpu();
-            sleep_disable();
-
-            // Disable watchdog after sleep
-            wdt_disable();
-#endif
-
-            // Send request of USB Wakeup from Suspend to host
-            if (USB_Device_RemoteWakeupEnabled) {
-                if (wakeup_condition()) {
+            suspend_power_down();
+            if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
                     USB_Device_SendRemoteWakeup();
-                }
             }
         }
 
@@ -587,20 +525,3 @@ int main(void)
 #endif
     }
 }
-
-#ifndef NO_SUSPEND_POWER_DOWN
-/* watchdog timeout */
-ISR(WDT_vect)
-{
-    /* wakeup from MCU sleep mode */
-/*
-    // blink LED
-    static uint8_t led_state = 0;
-    static uint8_t led_count = 0;
-    led_count++;
-    if ((led_count & 0x07) == 0) {
-        led_set((led_state ^= (1<<USB_LED_CAPS_LOCK)));
-    }
-*/
-}
-#endif