di0ib/tmk_keyboard_custom
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Merge branch 'remote_wakeup'

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tmk 2013-03-16 17:30:18 +09:00
commit 4d1d206e80
4 changed files with 225 additions and 5 deletions
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6
common.mk
View File

@ -47,5 +47,11 @@ ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
OPT_DEFS += -DMOUSE_ENABLE
endif
ifdef SLEEP_LED_ENABLE
SRC += $(COMMON_DIR)/sleep_led.c
OPT_DEFS += -DSLEEP_LED_ENABLE
endif
# Search Path
VPATH += $(TOP_DIR)/common

84
common/sleep_led.c Normal file
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@ -0,0 +1,84 @@
#include <stdint.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include "led.h"
#include "sleep_led.h"
/* Software PWM
* ______ ______ __
* | ON |___OFF___| ON |___OFF___| ....
* |<-------------->|<-------------->|<- ....
* PWM period PWM period
*
* 256 interrupts/period[resolution]
* 64 periods/second[frequency]
* 256*64 interrupts/second
* F_CPU/(256*64) clocks/interrupt
*/
#define SLEEP_LED_TIMER_TOP F_CPU/(256*64)
void sleep_led_init(void)
{
/* Timer1 setup */
/* CTC mode */
TCCR1B |= _BV(WGM12);
/* Clock selelct: clk/1 */
TCCR1B |= _BV(CS10);
/* Set TOP value */
uint8_t sreg = SREG;
cli();
OCR1AH = (SLEEP_LED_TIMER_TOP>>8)&0xff;
OCR1AL = SLEEP_LED_TIMER_TOP&0xff;
SREG = sreg;
}
void sleep_led_enable(void)
{
/* Enable Compare Match Interrupt */
TIMSK1 |= _BV(OCIE1A);
}
void sleep_led_disable(void)
{
/* Disable Compare Match Interrupt */
TIMSK1 &= ~_BV(OCIE1A);
}
/* Breathing Sleep LED brighness(PWM On period) table
* (32[steps] * 8[duration]) / 64[PWM periods/s] = 4 second breath cycle
*/
static const uint8_t breathing_table[32] PROGMEM = {
0, 0, 0, 2, 9, 21, 37, 56, 78, 127, 151, 175, 197, 216, 232, 244,
254, 244, 216, 197, 175, 151, 127, 78, 56, 37, 21, 9, 2, 0, 0, 0
};
ISR(TIMER1_COMPA_vect)
{
/* Software PWM
* timer:1111 1111 1111 1111
* \----/\-/ \-------/+--- count(0-255)
* | +--------------- duration of step(8)
* +-------------------- index of step table(0-31)
*/
static union {
uint16_t row;
struct {
uint8_t count:8;
uint8_t duration:3;
uint8_t index:5;
} pwm;
} timer = { .row = 0 };
timer.row++;
// LED on
if (timer.pwm.count == 0) {
led_set(1<<USB_LED_CAPS_LOCK);
}
// LED off
if (timer.pwm.count == pgm_read_byte(&breathing_table[timer.pwm.index])) {
led_set(0);
}
}

10
common/sleep_led.h Normal file
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@ -0,0 +1,10 @@
#ifndef SLEEP_LED_H
#define SLEEP_LED_H
#define NO_SUSPEND_POWER_DOWN
void sleep_led_init(void);
void sleep_led_enable(void);
void sleep_led_disable(void);
#endif

130
protocol/lufa/lufa.c
View File

@ -36,12 +36,20 @@
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 "descriptor.h"
#include "lufa.h"
@ -133,16 +141,45 @@ static void Console_Task(void)
/*******************************************************************************
* USB Events
******************************************************************************/
/** Event handler for the USB_Connect event. */
/*
* 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
*/
void EVENT_USB_Device_Connect(void)
{
led_set(0x1f); // all on
}
void EVENT_USB_Device_Disconnect(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()
{
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
}
void EVENT_USB_Device_WakeUp()
{
// initialize
matrix_init();
clear_keyboard();
#ifdef SLEEP_LED_ENABLE
sleep_led_disable();
#endif
led_set(host_keyboard_leds());
}
void EVENT_USB_Device_StartOfFrame(void)
{
Console_Task();
@ -466,17 +503,83 @@ 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)
{
SetupHardware();
keyboard_init();
host_set_driver(&lufa_driver);
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
sei();
// TODO: can't print here
debug("LUFA init\n");
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()) {
USB_Device_SendRemoteWakeup();
}
}
}
keyboard_task();
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
@ -484,3 +587,20 @@ 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