56 lines
No EOL
2.3 KiB
C++
56 lines
No EOL
2.3 KiB
C++
/*
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SG112A.h - SG112A Sensor Library
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Copyright (c) 2020-2021, Stefan Brand
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SG112A_H
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#define SG112A_H
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#include "../../include/attsensor.h"
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#define READ_TIMEOUT 500 // Timeout for Serial Communication
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#define SER_BUF_LEN 16 // Length of the Internal Serial Message Buffer
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#define CMD_GET_VER 0x10 // Get Sensor Version
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#define CMD_GET_SER 0x12 // Get Sensor Serial
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#define CMD_GET_PPM 0x14 // Get Current PPM Reading
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class SG112A : public AttSensor {
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private:
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uint8_t buffer[SER_BUF_LEN];
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void write(byte cmd);
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uint8_t read();
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void zeroBuffer(void);
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uint16_t crc16(uint8_t *cmd, int len);
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uint16_t getPPM(void);
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public:
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SG112A(void);
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uint8_t getSensorData(char *payload, uint8_t startbyte);
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void initialize(void) {};
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uint8_t numBytes(void) {return 2;};
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};
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#endif |