diff options
Diffstat (limited to 'hid/arduino/lib/drivers/serial.h')
-rw-r--r-- | hid/arduino/lib/drivers/serial.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/hid/arduino/lib/drivers/serial.h b/hid/arduino/lib/drivers/serial.h new file mode 100644 index 00000000..32ec5613 --- /dev/null +++ b/hid/arduino/lib/drivers/serial.h @@ -0,0 +1,68 @@ +/***************************************************************************** +# # +# KVMD - The main PiKVM daemon. # +# # +# Copyright (C) 2018-2023 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/>. # +# # +*****************************************************************************/ + + +#pragma once + +#ifdef CMD_SERIAL +#include "connection.h" + + +namespace DRIVERS { +#ifdef Serial +# undef Serial +#endif + struct Serial : public Connection { + Serial() : Connection(CONNECTION) {} + + void begin() override { + CMD_SERIAL.begin(CMD_SERIAL_SPEED); + } + + void periodic() override { + if (CMD_SERIAL.available() > 0) { + _buffer[_index] = (uint8_t)CMD_SERIAL.read(); + if (_index == 7) { + _data_cb(_buffer, 8); + _index = 0; + } else { + _last = micros(); + ++_index; + } + } else if (_index > 0) { + if (is_micros_timed_out(_last, CMD_SERIAL_TIMEOUT)) { + _timeout_cb(); + _index = 0; + } + } + } + + void write(const uint8_t *data, size_t size) override { + CMD_SERIAL.write(data, size); + } + + private: + unsigned long _last = 0; + uint8_t _index = 0; + uint8_t _buffer[8]; + }; +} +#endif |