drashna/qmk_firmware
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Compensate timer during prower down

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This commit is contained in:
tmk 2014-11-26 11:25:45 +09:00
parent 10a6b2c7d8
commit 05795cb003
6 changed files with 27 additions and 15 deletions
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27
common/avr/suspend.c
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@ -7,6 +7,7 @@
#include "backlight.h"
#include "suspend_avr.h"
#include "suspend.h"
#include "timer.h"
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#endif
@ -52,11 +53,13 @@ void suspend_idle(uint8_t time)
* WDTO_4S
* WDTO_8S
*/
void suspend_power_down(uint8_t wdto)
static uint8_t wdt_timeout = 0;
static void power_down(uint8_t wdto)
{
#ifdef PROTOCOL_LUFA
if (USB_DeviceState == DEVICE_STATE_Configured) return;
#endif
wdt_timeout = wdto;
// Watchdog Interrupt Mode
wdt_intr_enable(wdto);
@ -67,7 +70,6 @@ void suspend_power_down(uint8_t wdto)
// - prescale clock
// - BOD disable
// - Power Reduction Register PRR
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_enable();
sei();
@ -78,6 +80,11 @@ void suspend_power_down(uint8_t wdto)
wdt_disable();
}
void suspend_power_down(void)
{
power_down(WDTO_15MS);
}
bool suspend_wakeup_condition(void)
{
matrix_power_up();
@ -103,15 +110,13 @@ void suspend_wakeup_init(void)
/* 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)));
// compensate timer for sleep
switch (wdt_timeout) {
case WDTO_15MS:
timer_count += 15 + 2; // WDTO_15MS + 2(from observation)
break;
default:
;
}
*/
}
#endif