USB initialize when plug-in during battery powered
This commit is contained in:
parent
6c06b9031f
commit
c2d830c07c
3 changed files with 50 additions and 17 deletions
|
@ -7,6 +7,9 @@
|
|||
#include "backlight.h"
|
||||
#include "suspend_avr.h"
|
||||
#include "suspend.h"
|
||||
#ifdef PROTOCOL_LUFA
|
||||
#include "lufa.h"
|
||||
#endif
|
||||
|
||||
|
||||
#define wdt_intr_enable(value) \
|
||||
|
@ -26,30 +29,45 @@ __asm__ __volatile__ ( \
|
|||
)
|
||||
|
||||
|
||||
void suspend_power_down(void)
|
||||
void suspend_idle(uint8_t time)
|
||||
{
|
||||
#ifdef BACKLIGHT_ENABLE
|
||||
backlight_set(0);
|
||||
#endif
|
||||
#ifndef NO_SUSPEND_POWER_DOWN
|
||||
// Enable watchdog to wake from MCU sleep
|
||||
cli();
|
||||
wdt_reset();
|
||||
set_sleep_mode(SLEEP_MODE_IDLE);
|
||||
sleep_enable();
|
||||
sei();
|
||||
sleep_cpu();
|
||||
sleep_disable();
|
||||
}
|
||||
|
||||
/* Power down MCU with watchdog timer
|
||||
* wdto: watchdog timer timeout defined in <avr/wdt.h>
|
||||
* WDTO_15MS
|
||||
* WDTO_30MS
|
||||
* WDTO_60MS
|
||||
* WDTO_120MS
|
||||
* WDTO_250MS
|
||||
* WDTO_500MS
|
||||
* WDTO_1S
|
||||
* WDTO_2S
|
||||
* WDTO_4S
|
||||
* WDTO_8S
|
||||
*/
|
||||
void suspend_power_down(uint8_t wdto)
|
||||
{
|
||||
#ifdef PROTOCOL_LUFA
|
||||
if (USB_DeviceState == DEVICE_STATE_Configured) return;
|
||||
#endif
|
||||
|
||||
// Watchdog Interrupt and System Reset Mode
|
||||
//wdt_enable(WDTO_1S);
|
||||
//WDTCSR |= _BV(WDIE);
|
||||
|
||||
// Watchdog Interrupt Mode
|
||||
wdt_intr_enable(WDTO_120MS);
|
||||
|
||||
wdt_intr_enable(wdto);
|
||||
|
||||
// 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();
|
||||
|
@ -58,12 +76,13 @@ void suspend_power_down(void)
|
|||
|
||||
// Disable watchdog after sleep
|
||||
wdt_disable();
|
||||
#endif
|
||||
}
|
||||
|
||||
bool suspend_wakeup_condition(void)
|
||||
{
|
||||
matrix_power_up();
|
||||
matrix_scan();
|
||||
matrix_power_down();
|
||||
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
|
||||
if (matrix_get_row(r)) return true;
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue