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Add supsend and wakeup to pjrc stack

This commit is contained in:
tmk 2013-03-26 16:55:45 +09:00
parent 2c0bb5e7e6
commit afc3148e23
4 changed files with 55 additions and 91 deletions
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19
common/suspend.c
View File

@ -44,8 +44,27 @@ bool suspend_wakeup_condition(void)
return false;
}
// run immediately after wakeup
void suspend_wakeup_init(void)
{
// clear matrix and keyboard state
matrix_init();
clear_keyboard();
}
#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;
led_count++;
if ((led_count & 0x07) == 0) {
led_set((led_state ^= (1<<USB_LED_CAPS_LOCK)));
}
*/
}
#endif

87
protocol/lufa/lufa.c
View File

@ -36,20 +36,18 @@
this software.
*/
#include <avr/sleep.h>
#include <avr/wdt.h>
#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 "suspend.h"
#include "descriptor.h"
#include "lufa.h"
@ -170,9 +168,7 @@ void EVENT_USB_Device_Suspend()
void EVENT_USB_Device_WakeUp()
{
// initialize
matrix_init();
clear_keyboard();
suspend_wakeup_init();
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
@ -503,32 +499,6 @@ static void SetupHardware(void)
USB_Device_EnableSOFEvents();
}
static bool wakeup_condition(void)
{
matrix_scan();
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
if (matrix_get_row(r)) return true;
}
return false;
}
#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)
{
@ -541,42 +511,10 @@ int main(void)
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();
// 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();
#endif
// Send request of USB Wakeup from Suspend to host
if (USB_Device_RemoteWakeupEnabled) {
if (wakeup_condition()) {
suspend_power_down();
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
USB_Device_SendRemoteWakeup();
}
}
}
@ -587,20 +525,3 @@ int main(void)
#endif
}
}
#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;
led_count++;
if ((led_count & 0x07) == 0) {
led_set((led_state ^= (1<<USB_LED_CAPS_LOCK)));
}
*/
}
#endif

17
protocol/pjrc/main.c
View File

@ -31,10 +31,7 @@
#include "print.h"
#include "debug.h"
#include "util.h"
#include "bootloader.h"
#ifdef PS2_MOUSE_ENABLE
# include "ps2_mouse.h"
#endif
#include "suspend.h"
#include "host.h"
#include "pjrc.h"
@ -55,7 +52,17 @@ int main(void)
keyboard_init();
host_set_driver(pjrc_driver());
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
while (1) {
keyboard_task();
while (suspend) {
suspend_power_down();
if (remote_wakeup && suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
keyboard_task();
}
}

23
protocol/pjrc/usb.c
View File

@ -33,6 +33,8 @@
#include "usb_extra.h"
#include "print.h"
#include "util.h"
#include "sleep_led.h"
#include "suspend.h"
/**************************************************************************
@ -595,7 +597,8 @@ void usb_init(void)
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
suspend = false;
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE)|(1<<WAKEUPE);
sei();
}
@ -631,9 +634,23 @@ ISR(USB_GEN_vect)
intbits = UDINT;
UDINT = 0;
if (intbits & (1<<SUSPI)) {
if ((intbits & (1<<SUSPI)) && (UDIEN & (1<<SUSPE)) && usb_configuration) {
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
UDIEN &= ~(1<<SUSPE);
UDIEN |= (1<<WAKEUPE);
suspend = true;
} else {
}
if ((intbits & (1<<WAKEUPI)) && (UDIEN & (1<<WAKEUPE)) && usb_configuration) {
suspend_wakeup_init();
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
#endif
led_set(host_keyboard_leds());
UDIEN |= (1<<SUSPE);
UDIEN &= ~(1<<WAKEUPE);
suspend = false;
}
if (intbits & (1<<EORSTI)) {