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authortmk <hasu@tmk-kbd.com>2014-12-03 15:50:02 +0900
committertmk <hasu@tmk-kbd.com>2015-01-15 17:08:49 +0900
commitebe437325872045e0b99469f83cb9e877e98112c (patch)
tree36d7fc6928b7a3c75c63a6d5e52e03db5734b7d9
parent86f82dd02db577cd658ca4284cae15e9664db0f2 (diff)
Fix power saving while USB suspended
- doesn't pwoer save while Bluetooth turns on
-rw-r--r--keyboard/hhkb_rn42/hhkb_avr.h4
-rw-r--r--keyboard/hhkb_rn42/matrix.c21
-rw-r--r--keyboard/hhkb_rn42/rn42/main.c14
-rw-r--r--protocol/lufa/lufa.c3
4 files changed, 27 insertions, 15 deletions
diff --git a/keyboard/hhkb_rn42/hhkb_avr.h b/keyboard/hhkb_rn42/hhkb_avr.h
index f007d7667a..0321977d11 100644
--- a/keyboard/hhkb_rn42/hhkb_avr.h
+++ b/keyboard/hhkb_rn42/hhkb_avr.h
@@ -53,9 +53,11 @@ static inline void KEY_POWER_OFF(void) {
DDRB = 0x00; PORTB = 0xFF; // change pins input with pull-up
DDRD |= (1<<4); PORTD &= ~(1<<4); // MOS FET switch off
}
+static inline bool KEY_POWER_STATE(void) { return PORTD & (1<<4); }
#else
static inline void KEY_POWER_ON(void) {}
static inline void KEY_POWER_OFF(void) {}
+static inline bool KEY_POWER_STATE(void) { return true; }
#endif
static inline void KEY_INIT(void)
{
@@ -73,7 +75,7 @@ static inline void KEY_INIT(void)
KEY_UNABLE();
KEY_PREV_OFF();
- KEY_POWER_ON();
+ KEY_POWER_OFF();
}
static inline void KEY_SELECT(uint8_t ROW, uint8_t COL)
{
diff --git a/keyboard/hhkb_rn42/matrix.c b/keyboard/hhkb_rn42/matrix.c
index 22becd1050..fb96997944 100644
--- a/keyboard/hhkb_rn42/matrix.c
+++ b/keyboard/hhkb_rn42/matrix.c
@@ -35,7 +35,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
// matrix power saving
#define MATRIX_POWER_SAVE 10000
static uint32_t matrix_last_modified = 0;
-static bool matrix_power = true;
// matrix state buffer(1:on, 0:off)
static matrix_row_t *matrix;
@@ -80,7 +79,8 @@ uint8_t matrix_scan(void)
matrix_prev = matrix;
matrix = tmp;
- matrix_power_up();
+ // power on
+ if (!KEY_POWER_STATE()) KEY_POWER_ON();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
KEY_SELECT(row, col);
@@ -136,7 +136,14 @@ uint8_t matrix_scan(void)
}
if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
}
- matrix_power_down();
+ // power off
+ if (KEY_POWER_STATE() &&
+ (USB_DeviceState == DEVICE_STATE_Suspended ||
+ USB_DeviceState == DEVICE_STATE_Unattached ) &&
+ timer_elapsed32(matrix_last_modified) > MATRIX_POWER_SAVE) {
+ KEY_POWER_OFF();
+ suspend_power_down();
+ }
return 1;
}
@@ -176,16 +183,8 @@ void matrix_print(void)
}
void matrix_power_up(void) {
- if (matrix_power) return;
KEY_POWER_ON();
- matrix_power = true;
}
void matrix_power_down(void) {
- if (!matrix_power) return;
- // doesn't power save while USB connection is active
- if (USB_DeviceState != DEVICE_STATE_Unattached) return;
- if (timer_elapsed32(matrix_last_modified) <= MATRIX_POWER_SAVE) return;
KEY_POWER_OFF();
- suspend_power_down();
- matrix_power = false;
}
diff --git a/keyboard/hhkb_rn42/rn42/main.c b/keyboard/hhkb_rn42/rn42/main.c
index 42b09d8c8c..83d9950388 100644
--- a/keyboard/hhkb_rn42/rn42/main.c
+++ b/keyboard/hhkb_rn42/rn42/main.c
@@ -63,7 +63,7 @@ int main(void)
USB_USBTask();
#endif
}
- print("USB configured.\n");
+ print("\nUSB init\n");
rn42_init();
rn42_task_init();
@@ -82,10 +82,18 @@ int main(void)
sleep_led_init();
#endif
- print("Keyboard start.\n");
+ print("Keyboard start\n");
while (1) {
- while (USB_DeviceState == DEVICE_STATE_Suspended) {
+ while (rn42_rts() && // RN42 is off
+ USB_DeviceState == DEVICE_STATE_Suspended) {
print("[s]");
+ matrix_power_down();
+ suspend_power_down();
+ suspend_power_down();
+ suspend_power_down();
+ suspend_power_down();
+ suspend_power_down();
+ suspend_power_down();
suspend_power_down();
if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {
USB_Device_SendRemoteWakeup();
diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index 3d6b3ea00c..cdfc7bc6ad 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -151,6 +151,7 @@ void EVENT_USB_Device_Connect(void)
print("[C]");
/* For battery powered device */
if (!USB_IsInitialized) {
+ USB_Disable();
USB_Init();
USB_Device_EnableSOFEvents();
}
@@ -160,6 +161,7 @@ void EVENT_USB_Device_Disconnect(void)
{
print("[D]");
/* For battery powered device */
+ USB_IsInitialized = false;
/* TODO: This doesn't work. After several plug in/outs can not be enumerated.
if (USB_IsInitialized) {
USB_Disable(); // Disable all interrupts
@@ -177,6 +179,7 @@ void EVENT_USB_Device_Reset(void)
void EVENT_USB_Device_Suspend()
{
print("[S]");
+ matrix_power_down();
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif