From c8cfde01389a7f945e237b8571c1d4202e0d60d0 Mon Sep 17 00:00:00 2001 From: tmk Date: Wed, 13 Mar 2013 16:01:53 +0900 Subject: Add intial code of RemoteWakeUp --- protocol/lufa/lufa.c | 40 ++++++++++++++++++++++++++++++++++++---- 1 file changed, 36 insertions(+), 4 deletions(-) (limited to 'protocol') diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c index 98c3a68ffb..fc3798cdf9 100644 --- a/protocol/lufa/lufa.c +++ b/protocol/lufa/lufa.c @@ -133,16 +133,29 @@ static void Console_Task(void) /******************************************************************************* * USB Events ******************************************************************************/ -/** Event handler for the USB_Connect event. */ +#include "led.h" void EVENT_USB_Device_Connect(void) { } -/** Event handler for the USB_Disconnect event. */ void EVENT_USB_Device_Disconnect(void) { } +void EVENT_USB_Device_Reset(void) +{ +} + +void EVENT_USB_Device_Suspend() +{ + led_set(1< Date: Thu, 14 Mar 2013 22:45:02 +0900 Subject: Add power down mode sleep and watchdog interrupt --- protocol/lufa/lufa.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 73 insertions(+), 3 deletions(-) (limited to 'protocol') diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c index fc3798cdf9..556d0aeecc 100644 --- a/protocol/lufa/lufa.c +++ b/protocol/lufa/lufa.c @@ -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< +#include +#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< Date: Fri, 15 Mar 2013 22:22:57 +0900 Subject: Add breathing sleep LED during USB suspend --- protocol/lufa/lufa.c | 36 +++++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 9 deletions(-) (limited to 'protocol') diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c index 556d0aeecc..127dece547 100644 --- a/protocol/lufa/lufa.c +++ b/protocol/lufa/lufa.c @@ -36,12 +36,20 @@ this software. */ +#include +#include #include "report.h" #include "host.h" #include "host_driver.h" #include "keyboard.h" +#include "action.h" +#include "matrix.h" +#include "led.h" #include "sendchar.h" #include "debug.h" +#ifdef SLEEP_LED_ENABLE +#include "sleep_led.h" +#endif #include "descriptor.h" #include "lufa.h" @@ -140,10 +148,9 @@ static void Console_Task(void) * 2) EVENT_USB_Device_Reset * 3) EVENT_USB_Device_Wake */ -#include "led.h" -#include "matrix.h" void EVENT_USB_Device_Connect(void) { + led_set(0x1f); // all on } void EVENT_USB_Device_Disconnect(void) @@ -156,17 +163,21 @@ void EVENT_USB_Device_Reset(void) void EVENT_USB_Device_Suspend() { +#ifdef SLEEP_LED_ENABLE + sleep_led_enable(); +#endif } -#include "action.h" void EVENT_USB_Device_WakeUp() { // initialize matrix_init(); clear_keyboard(); - // turn off LED - led_set(0); +#ifdef SLEEP_LED_ENABLE + sleep_led_disable(); +#endif + led_set(host_keyboard_leds()); } void EVENT_USB_Device_StartOfFrame(void) @@ -493,7 +504,6 @@ static void SetupHardware(void) } -#include "matrix.h" static bool wakeup_condition(void) { matrix_scan(); @@ -503,8 +513,6 @@ static bool wakeup_condition(void) return false; } -#include -#include #define wdt_intr_enable(value) \ __asm__ __volatile__ ( \ "in __tmp_reg__,__SREG__" "\n\t" \ @@ -527,11 +535,15 @@ int main(void) SetupHardware(); keyboard_init(); host_set_driver(&lufa_driver); +#ifdef SLEEP_LED_ENABLE + sleep_led_init(); +#endif sei(); while (1) { // while suspend while (USB_DeviceState == DEVICE_STATE_Suspended) { +#ifndef NO_SUSPEND_POWER_DOWN // Enable watchdog to wake from MCU sleep cli(); wdt_reset(); @@ -558,6 +570,7 @@ int main(void) // Disable watchdog after sleep wdt_disable(); +#endif // Send request of USB Wakeup from Suspend to host if (USB_Device_RemoteWakeupEnabled) { @@ -575,9 +588,12 @@ int main(void) } } -/* watchdog timeout during sleep */ +#ifndef NO_SUSPEND_POWER_DOWN +/* watchdog timeout */ ISR(WDT_vect) { + /* wakeup from MCU sleep mode */ +/* // blink LED static uint8_t led_state = 0; static uint8_t led_count = 0; @@ -585,4 +601,6 @@ ISR(WDT_vect) if ((led_count & 0x07) == 0) { led_set((led_state ^= (1<