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@@ -36,20 +36,18 @@ |
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this software. |
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*/ |
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#include <avr/sleep.h> |
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#include <avr/wdt.h> |
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#include "report.h" |
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#include "host.h" |
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#include "host_driver.h" |
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#include "keyboard.h" |
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#include "action.h" |
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#include "matrix.h" |
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#include "led.h" |
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#include "sendchar.h" |
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#include "debug.h" |
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#ifdef SLEEP_LED_ENABLE |
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#include "sleep_led.h" |
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#endif |
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#include "suspend.h" |
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#include "descriptor.h" |
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#include "lufa.h" |
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@@ -170,9 +168,7 @@ void EVENT_USB_Device_Suspend() |
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void EVENT_USB_Device_WakeUp() |
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{ |
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// initialize |
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matrix_init(); |
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clear_keyboard(); |
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suspend_wakeup_init(); |
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#ifdef SLEEP_LED_ENABLE |
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sleep_led_disable(); |
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@@ -503,32 +499,6 @@ static void SetupHardware(void) |
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USB_Device_EnableSOFEvents(); |
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} |
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static bool wakeup_condition(void) |
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{ |
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matrix_scan(); |
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) { |
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if (matrix_get_row(r)) return true; |
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} |
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return false; |
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} |
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#define wdt_intr_enable(value) \ |
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__asm__ __volatile__ ( \ |
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"in __tmp_reg__,__SREG__" "\n\t" \ |
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"cli" "\n\t" \ |
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"wdr" "\n\t" \ |
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"sts %0,%1" "\n\t" \ |
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"out __SREG__,__tmp_reg__" "\n\t" \ |
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"sts %0,%2" "\n\t" \ |
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: /* no outputs */ \ |
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: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \ |
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"r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \ |
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"r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \ |
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_BV(WDIE) | (value & 0x07)) ) \ |
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: "r0" \ |
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) |
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int main(void) __attribute__ ((weak)); |
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int main(void) |
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{ |
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@@ -541,42 +511,10 @@ int main(void) |
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sei(); |
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while (1) { |
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// while suspend |
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while (USB_DeviceState == DEVICE_STATE_Suspended) { |
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#ifndef NO_SUSPEND_POWER_DOWN |
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// Enable watchdog to wake from MCU sleep |
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cli(); |
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wdt_reset(); |
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// Watchdog Interrupt and System Reset Mode |
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//wdt_enable(WDTO_1S); |
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//WDTCSR |= _BV(WDIE); |
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// Watchdog Interrupt Mode |
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wdt_intr_enable(WDTO_120MS); |
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// TODO: more power saving |
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// See PicoPower application note |
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// - I/O port input with pullup |
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// - prescale clock |
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// - BOD disable |
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// - Power Reduction Register PRR |
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// sleep in power down mode |
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set_sleep_mode(SLEEP_MODE_PWR_DOWN); |
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sleep_enable(); |
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sei(); |
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sleep_cpu(); |
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sleep_disable(); |
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// Disable watchdog after sleep |
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wdt_disable(); |
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#endif |
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// Send request of USB Wakeup from Suspend to host |
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if (USB_Device_RemoteWakeupEnabled) { |
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if (wakeup_condition()) { |
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suspend_power_down(); |
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if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) { |
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USB_Device_SendRemoteWakeup(); |
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} |
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} |
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} |
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@@ -587,20 +525,3 @@ int main(void) |
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#endif |
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} |
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} |
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#ifndef NO_SUSPEND_POWER_DOWN |
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/* watchdog timeout */ |
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ISR(WDT_vect) |
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{ |
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/* wakeup from MCU sleep mode */ |
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/* |
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// blink LED |
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static uint8_t led_state = 0; |
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static uint8_t led_count = 0; |
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led_count++; |
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if ((led_count & 0x07) == 0) { |
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led_set((led_state ^= (1<<USB_LED_CAPS_LOCK))); |
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} |
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*/ |
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} |
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#endif |