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authortmk <nobody@nowhere>2014-11-23 13:08:05 +0900
committertmk <nobody@nowhere>2014-11-23 13:08:05 +0900
commit608ebe2686bdb3fdbd0426731cabdf6082c57b53 (patch)
tree15d306082db9d53bb9c890f62aeeaf4cdab49712 /common/keyboard.c
parentc2d830c07c823c48a17c214b093ec1bab989fb6a (diff)
Matrix power saving
Diffstat (limited to 'common/keyboard.c')
-rw-r--r--common/keyboard.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/common/keyboard.c b/common/keyboard.c
index 9a809ff4a1..dde91a2968 100644
--- a/common/keyboard.c
+++ b/common/keyboard.c
@@ -15,6 +15,8 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
+#include <util/delay.h>
+#include <avr/wdt.h>
#include "keyboard.h"
#include "matrix.h"
#include "keymap.h"
@@ -30,12 +32,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "bootmagic.h"
#include "eeconfig.h"
#include "backlight.h"
+#include "suspend.h"
#ifdef MOUSEKEY_ENABLE
# include "mousekey.h"
#endif
#ifdef PS2_MOUSE_ENABLE
# include "ps2_mouse.h"
#endif
+#include "lufa.h"
#ifdef MATRIX_HAS_GHOST
@@ -83,7 +87,25 @@ void keyboard_task(void)
static uint8_t led_status = 0;
matrix_row_t matrix_row = 0;
matrix_row_t matrix_change = 0;
+ static uint32_t last_key_time = 0;
+/*
+#define SLEEP_TIME_MS 10000
+ // (USB_DeviceState == DEVICE_STATE_Suspended) {
+ //if (timer_elapsed32(last_key_time) > SLEEP_TIME_MS) {
+ // TODO: remove LUFA dependent code
+ if (!USB_IsInitialized && timer_elapsed32(last_key_time) > SLEEP_TIME_MS) {
+ matrix_power_down();
+ // TODO: power down only when no USB connection
+ // Or it makes USB connection lost or suspended
+ suspend_power_down(WDTO_15MS);
+ matrix_power_up();
+ }
+ else {
+ matrix_power_down();
+ matrix_power_up();
+ }
+*/
matrix_scan();
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
matrix_row = matrix_get_row(r);
@@ -105,6 +127,7 @@ void keyboard_task(void)
});
// record a processed key
matrix_prev[r] ^= ((matrix_row_t)1<<c);
+ last_key_time = timer_read32();
// process a key per task call
goto MATRIX_LOOP_END;
}