52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2022-2024 Thomas Basler and others
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*/
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/*
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Derives from CommandAbstract. Has a variable length.
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Command structure:
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* ID: fixed identifier and everytime 0x51
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* Cmd: Fixed at 0x81 for these types of commands
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* Payload: dynamic amount of bytes
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* CRC16: calcuclated over the highlighted amount of bytes
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00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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-------------------------------------------------------------------------------------------------------------
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|<->| CRC16
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51 71 60 35 46 80 12 23 04 81 00 00 00 00 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
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^^ ^^^^^^^^^^^ ^^^^^^^^^^^ ^^ ^^^^^ ^^ ^^
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ID Target Addr Source Addr Cmd Payload CRC16 CRC8
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*/
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#include "DevControlCommand.h"
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#include "crc.h"
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DevControlCommand::DevControlCommand(InverterAbstract* inv, const uint64_t router_address)
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: CommandAbstract(inv, router_address)
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{
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_payload[0] = 0x51;
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_payload[9] = 0x81;
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setTimeout(1000);
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}
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void DevControlCommand::udpateCRC(const uint8_t len)
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{
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const uint16_t crc = crc16(&_payload[10], len);
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_payload[10 + len] = (uint8_t)(crc >> 8);
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_payload[10 + len + 1] = (uint8_t)(crc);
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}
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bool DevControlCommand::handleResponse(const fragment_t fragment[], const uint8_t max_fragment_id)
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{
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for (uint8_t i = 0; i < max_fragment_id; i++) {
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if (fragment[i].mainCmd != (_payload[0] | 0x80)) {
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return false;
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}
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}
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return true;
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}
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