|
|
@@ -133,7 +133,15 @@ static void Console_Task(void) |
|
|
|
/******************************************************************************* |
|
|
|
* USB Events |
|
|
|
******************************************************************************/ |
|
|
|
/* |
|
|
|
* Event Order of Plug in: |
|
|
|
* 0) EVENT_USB_Device_Connect |
|
|
|
* 1) EVENT_USB_Device_Suspend |
|
|
|
* 2) EVENT_USB_Device_Reset |
|
|
|
* 3) EVENT_USB_Device_Wake |
|
|
|
*/ |
|
|
|
#include "led.h" |
|
|
|
#include "matrix.h" |
|
|
|
void EVENT_USB_Device_Connect(void) |
|
|
|
{ |
|
|
|
} |
|
|
@@ -148,11 +156,16 @@ void EVENT_USB_Device_Reset(void) |
|
|
|
|
|
|
|
void EVENT_USB_Device_Suspend() |
|
|
|
{ |
|
|
|
led_set(1<<USB_LED_CAPS_LOCK); |
|
|
|
} |
|
|
|
|
|
|
|
#include "action.h" |
|
|
|
void EVENT_USB_Device_WakeUp() |
|
|
|
{ |
|
|
|
// initialize |
|
|
|
matrix_init(); |
|
|
|
clear_keyboard(); |
|
|
|
|
|
|
|
// turn off LED |
|
|
|
led_set(0); |
|
|
|
} |
|
|
|
|
|
|
@@ -490,6 +503,24 @@ static bool wakeup_condition(void) |
|
|
|
return false; |
|
|
|
} |
|
|
|
|
|
|
|
#include <avr/sleep.h> |
|
|
|
#include <avr/wdt.h> |
|
|
|
#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) |
|
|
|
{ |
|
|
@@ -499,9 +530,36 @@ int main(void) |
|
|
|
sei(); |
|
|
|
|
|
|
|
while (1) { |
|
|
|
// while suspend |
|
|
|
while (USB_DeviceState == DEVICE_STATE_Suspended) { |
|
|
|
// TODO: power saving |
|
|
|
|
|
|
|
// 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(); |
|
|
|
|
|
|
|
// Send request of USB Wakeup from Suspend to host |
|
|
|
if (USB_Device_RemoteWakeupEnabled) { |
|
|
|
if (wakeup_condition()) { |
|
|
|
USB_Device_SendRemoteWakeup(); |
|
|
@@ -516,3 +574,15 @@ int main(void) |
|
|
|
#endif |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
/* watchdog timeout during sleep */ |
|
|
|
ISR(WDT_vect) |
|
|
|
{ |
|
|
|
// 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))); |
|
|
|
} |
|
|
|
} |