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"
/*******************************************************************************
* 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
}
-/** 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();
/** Event handler for the USB_ConfigurationChanged event.
* This is fired when the host sets the current configuration of the USB device after enumeration.
*/
+#if LUFA_VERSION_INTEGER < 0x120730
+ /* old API 120219 */
+ #define ENDPOINT_CONFIG(epnum, eptype, epdir, epsize, epbank) Endpoint_ConfigureEndpoint(epnum, eptype, epdir, epsize, epbank)
+#else
+ /* new API >= 120730 */
+ #define ENDPOINT_BANK_SINGLE 1
+ #define ENDPOINT_BANK_DOUBLE 2
+ #define ENDPOINT_CONFIG(epnum, eptype, epdir, epsize, epbank) Endpoint_ConfigureEndpoint((epdir) | (epnum) , eptype, epsize, epbank)
+#endif
void EVENT_USB_Device_ConfigurationChanged(void)
{
bool ConfigSuccess = true;
/* Setup Keyboard HID Report Endpoints */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= ENDPOINT_CONFIG(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
#ifdef MOUSE_ENABLE
/* Setup Mouse HID Report Endpoint */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= ENDPOINT_CONFIG(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
#ifdef EXTRAKEY_ENABLE
/* Setup Extra HID Report Endpoint */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(EXTRAKEY_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- EXTRAKEY_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= ENDPOINT_CONFIG(EXTRAKEY_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ EXTRAKEY_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
#ifdef CONSOLE_ENABLE
/* Setup Console HID Report Endpoints */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- CONSOLE_EPSIZE, ENDPOINT_BANK_DOUBLE);
- ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
- CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= ENDPOINT_CONFIG(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ CONSOLE_EPSIZE, ENDPOINT_BANK_DOUBLE);
+ ConfigSuccess &= ENDPOINT_CONFIG(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
+ CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
}
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();
- print_enable = true;
- debug_enable = true;
- debug_matrix = true;
- debug_keyboard = true;
- debug_mouse = true;
+ 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
- // TODO: can't print here
- debug("LUFA init\n");
+ // Send request of USB Wakeup from Suspend to host
+ if (USB_Device_RemoteWakeupEnabled) {
+ if (wakeup_condition()) {
+ USB_Device_SendRemoteWakeup();
+ }
+ }
+ }
- keyboard_init();
- host_set_driver(&lufa_driver);
- while (1) {
keyboard_task();
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
#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