diff options
Diffstat (limited to 'hid/lib/drivers/tools.cpp')
| -rw-r--r-- | hid/lib/drivers/tools.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/hid/lib/drivers/tools.cpp b/hid/lib/drivers/tools.cpp new file mode 100644 index 00000000..7f0e29ca --- /dev/null +++ b/hid/lib/drivers/tools.cpp @@ -0,0 +1,30 @@ +/***************************************************************************** +# # +# KVMD - The main PiKVM daemon. # +# # +# Copyright (C) 2018-2022 Maxim Devaev <[email protected]> # +# # +# This program is free software: you can redistribute it and/or modify # +# it under the terms of the GNU General Public License as published by # +# the Free Software Foundation, either version 3 of the License, or # +# (at your option) any later version. # +# # +# This program is distributed in the hope that it will be useful, # +# but WITHOUT ANY WARRANTY; without even the implied warranty of # +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # +# GNU General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program. If not, see <https://www.gnu.org/licenses/>. # +# # +*****************************************************************************/ + +#include <Arduino.h> + +bool is_micros_timed_out(unsigned long start_ts, unsigned long timeout) { + unsigned long now = micros(); + return ( + (now >= start_ts && now - start_ts > timeout) + || (now < start_ts && ((unsigned long)-1) - start_ts + now > timeout) + ); +} |