di0ib/tmk_keyboard_custom
Archived
1
0
Fork 0
Code Releases Activity

Compensate timer during prower down

Browse Source
This commit is contained in:
tmk 2014-11-26 11:25:45 +09:00
parent 10e6b7a211
commit 806a22efe2
3 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
common/avr/suspend.c
View File

@ -7,6 +7,7 @@
#include "backlight.h" #include "backlight.h"
#include "suspend_avr.h" #include "suspend_avr.h"
#include "suspend.h" #include "suspend.h"
#include "timer.h"
#ifdef PROTOCOL_LUFA #ifdef PROTOCOL_LUFA
#include "lufa.h" #include "lufa.h"
#endif #endif
@ -52,11 +53,13 @@ void suspend_idle(uint8_t time)
* WDTO_4S * WDTO_4S
* WDTO_8S * 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 #ifdef PROTOCOL_LUFA
if (USB_DeviceState == DEVICE_STATE_Configured) return; if (USB_DeviceState == DEVICE_STATE_Configured) return;
#endif #endif
wdt_timeout = wdto;
// Watchdog Interrupt Mode // Watchdog Interrupt Mode
wdt_intr_enable(wdto); wdt_intr_enable(wdto);
@ -67,7 +70,6 @@ void suspend_power_down(uint8_t wdto)
// - prescale clock // - prescale clock
// - BOD disable // - BOD disable
// - Power Reduction Register PRR // - Power Reduction Register PRR
set_sleep_mode(SLEEP_MODE_PWR_DOWN); set_sleep_mode(SLEEP_MODE_PWR_DOWN);
sleep_enable(); sleep_enable();
sei(); sei();
@ -78,6 +80,11 @@ void suspend_power_down(uint8_t wdto)
wdt_disable(); wdt_disable();
} }
void suspend_power_down(void)
{
power_down(WDTO_15MS);
}
bool suspend_wakeup_condition(void) bool suspend_wakeup_condition(void)
{ {
matrix_power_up(); matrix_power_up();
@ -103,15 +110,13 @@ void suspend_wakeup_init(void)
/* watchdog timeout */ /* watchdog timeout */
ISR(WDT_vect) ISR(WDT_vect)
{ {
/* wakeup from MCU sleep mode */ // compensate timer for sleep
/* switch (wdt_timeout) {
// blink LED case WDTO_15MS:
static uint8_t led_state = 0; timer_count += 15 + 2; // WDTO_15MS + 2(from observation)
static uint8_t led_count = 0; break;
led_count++; default:
if ((led_count & 0x07) == 0) { ;
led_set((led_state ^= (1<<USB_LED_CAPS_LOCK)));
} }
*/
} }
#endif #endif

2
common/suspend.h
View File

@ -6,7 +6,7 @@
void suspend_idle(uint8_t timeout); void suspend_idle(uint8_t timeout);
void suspend_power_down(uint8_t timeout); void suspend_power_down(void);
bool suspend_wakeup_condition(void); bool suspend_wakeup_condition(void);
void suspend_wakeup_init(void); void suspend_wakeup_init(void);

2
protocol/lufa/lufa.c
View File

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