mirror of https://github.com/ArduPilot/ardupilot
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* This file is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Code by Andrew Tridgell and Siddharth Bharat Purohit
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*/
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#pragma once
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#include "AP_RCProtocol_config.h"
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#if AP_RCPROTOCOL_SBUS_ENABLED
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#include "AP_RCProtocol.h"
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#include "SoftSerial.h"
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class AP_RCProtocol_SBUS : public AP_RCProtocol_Backend {
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public:
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AP_RCProtocol_SBUS(AP_RCProtocol &_frontend, bool inverted, uint32_t configured_baud);
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void process_pulse(uint32_t width_s0, uint32_t width_s1) override;
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void process_byte(uint8_t byte, uint32_t baudrate) override;
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static bool sbus_decode(const uint8_t frame[25], uint16_t *values, uint16_t *num_values,
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bool &sbus_failsafe, uint16_t max_values);
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private:
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void _process_byte(uint32_t timestamp_us, uint8_t byte);
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bool inverted;
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SoftSerial ss;
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uint32_t saved_width;
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struct {
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uint8_t buf[25];
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uint8_t ofs;
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uint32_t last_byte_us;
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} byte_input;
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};
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#endif // AP_RCPROTOCOL_SBUS_ENABLED
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