di0ib
/
tmk_keyboard_custom
Watch 1
Star 0
Fork 0
Code Releases 0 Activity
Browse Source

Compensate timer during prower down

core
tmk 9 years ago
parent
10e6b7a211
commit
806a22efe2
3 changed files with 18 additions and 13 deletions
Split View Show Diff Stats
  1. 16
    11
      common/avr/suspend.c
  2. 1
    1
      common/suspend.h
  3. 1
    1
      protocol/lufa/lufa.c

+ 16
- 11
common/avr/suspend.c View File

@@ -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

+ 1
- 1
common/suspend.h View File

@@ -6,7 +6,7 @@


void suspend_idle(uint8_t timeout);
void suspend_power_down(uint8_t timeout);
void suspend_power_down(void);
bool suspend_wakeup_condition(void);
void suspend_wakeup_init(void);


+ 1
- 1
protocol/lufa/lufa.c View File

@@ -587,7 +587,7 @@ int main(void)
print("Keyboard start.\n");
while (1) {
while (USB_DeviceState == DEVICE_STATE_Suspended) {
suspend_power_down(WDTO_120MS);
suspend_power_down();
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
USB_Device_SendRemoteWakeup();
}