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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* This file is part of the chronometer project.
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* Copyright 2019 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the 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 program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef LIDAR_H__
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#define LIDAR_H__
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#include <stm32f1.h>
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#define LIDAR_FRAME_LEN (9)
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// frame header
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#define LIDAR_FRAME_HEADER (0x59)
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// lower strength limit
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#define LIDAR_LOWER_STREN (10)
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// triggered distance threshold - 1 meter
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#define LIDAR_DIST_THRES (100)
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#define LIDAR_MIN_DIST (50)
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#define LIDAR_MAX_DIST (1000)
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extern uint16_t last_lidar_dist;
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extern uint16_t lidar_triggered_dist;
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extern uint16_t last_lidar_stren;
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uint8_t parse_lidar_data(char *txt);
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#endif // LIDAR_H__
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