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-rw-r--r--common/suspend.c19
-rw-r--r--protocol/lufa/lufa.c87
-rw-r--r--protocol/pjrc/main.c17
-rw-r--r--protocol/pjrc/usb.c23
4 files changed, 55 insertions, 91 deletions
diff --git a/common/suspend.c b/common/suspend.c
index 397e0729a6..6029fe7ffa 100644
--- a/common/suspend.c
+++ b/common/suspend.c
@@ -44,8 +44,27 @@ bool suspend_wakeup_condition(void)
return false;
}
+// run immediately after wakeup
void suspend_wakeup_init(void)
{
+ // clear matrix and keyboard state
matrix_init();
clear_keyboard();
}
+
+#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
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
diff --git a/protocol/pjrc/main.c b/protocol/pjrc/main.c
index 776bfee9d6..5f15dbf892 100644
--- a/protocol/pjrc/main.c
+++ b/protocol/pjrc/main.c
@@ -31,10 +31,7 @@
#include "print.h"
#include "debug.h"
#include "util.h"
-#include "bootloader.h"
-#ifdef PS2_MOUSE_ENABLE
-# include "ps2_mouse.h"
-#endif
+#include "suspend.h"
#include "host.h"
#include "pjrc.h"
@@ -55,7 +52,17 @@ int main(void)
keyboard_init();
host_set_driver(pjrc_driver());
+#ifdef SLEEP_LED_ENABLE
+ sleep_led_init();
+#endif
while (1) {
- keyboard_task();
+ while (suspend) {
+ suspend_power_down();
+ if (remote_wakeup && suspend_wakeup_condition()) {
+ usb_remote_wakeup();
+ }
+ }
+
+ keyboard_task();
}
}
diff --git a/protocol/pjrc/usb.c b/protocol/pjrc/usb.c
index f4c6f81f5c..a9fbc4638e 100644
--- a/protocol/pjrc/usb.c
+++ b/protocol/pjrc/usb.c
@@ -33,6 +33,8 @@
#include "usb_extra.h"
#include "print.h"
#include "util.h"
+#include "sleep_led.h"
+#include "suspend.h"
/**************************************************************************
@@ -595,7 +597,8 @@ void usb_init(void)
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
- UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
+ suspend = false;
+ UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE)|(1<<WAKEUPE);
sei();
}
@@ -631,9 +634,23 @@ ISR(USB_GEN_vect)
intbits = UDINT;
UDINT = 0;
- if (intbits & (1<<SUSPI)) {
+ if ((intbits & (1<<SUSPI)) && (UDIEN & (1<<SUSPE)) && usb_configuration) {
+#ifdef SLEEP_LED_ENABLE
+ sleep_led_enable();
+#endif
+ UDIEN &= ~(1<<SUSPE);
+ UDIEN |= (1<<WAKEUPE);
suspend = true;
- } else {
+ }
+ if ((intbits & (1<<WAKEUPI)) && (UDIEN & (1<<WAKEUPE)) && usb_configuration) {
+ suspend_wakeup_init();
+#ifdef SLEEP_LED_ENABLE
+ sleep_led_disable();
+#endif
+ led_set(host_keyboard_leds());
+
+ UDIEN |= (1<<SUSPE);
+ UDIEN &= ~(1<<WAKEUPE);
suspend = false;
}
if (intbits & (1<<EORSTI)) {