diff options
Diffstat (limited to 'keyboard/hhkb_rn42/matrix.c')
| -rw-r--r-- | keyboard/hhkb_rn42/matrix.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/keyboard/hhkb_rn42/matrix.c b/keyboard/hhkb_rn42/matrix.c index c6c444ff5..fb9699794 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_Configured) return; - if (timer_elapsed32(matrix_last_modified) <= MATRIX_POWER_SAVE) return; KEY_POWER_OFF(); - suspend_power_down(WDTO_15MS); - matrix_power = false; } |