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https://github.com/eddyem/stm32samples.git
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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* This file is part of the canbus4bta project.
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* Copyright 2023 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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/**
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* USB-only and common (CAN/USB) protocol functions parser
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*/
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#pragma once
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#include <stm32f3.h>
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#ifndef _U_
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#define _U_ __attribute__((__unused__))
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#endif
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// command parameter flag means this is a setter
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#define SETTER_FLAG (0x80)
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#define ISSETTER(data) ((data[2] & SETTER_FLAG))
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// parameter number 127 means there no parameter number at all (don't need paremeter or get all)
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#define NO_PARNO (0x1f)
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// make error for CAN answer
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#define FORMERR(data, err) do{data[3] = err;}while(0)
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// error codes for answer message
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typedef enum{
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ERR_OK, // 0 - all OK
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ERR_BADPAR, // 1 - parameter number is wrong
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ERR_BADVAL, // 2 - wrong parameter's value
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ERR_WRONGLEN, // 3 - wrong message length
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ERR_BADCMD, // 4 - unknown command
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ERR_CANTRUN, // 5 - can't run given command due to bad parameters or other problems
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ERR_AMOUNT // amount of error codes
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} errcodes;
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// CAN commands indexes
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typedef enum{
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CMD_RESET, // 0 - reset MCU
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CMD_TIME, // 1 - get/set Tms
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CMD_MCUTEMP, // 2 - get MCU temperature (*10)
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CMD_ADCRAW, // 3 - get ADC raw values
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CMD_ADCV, // 4 - get ADC voltage (*100)
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CMD_CANSPEED, // 5 - get/set CAN speed (kbps)
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CMD_CANID, // 6 - get/set CAN ID
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CMD_ADCMUL, // 7 - get/set ADC multipliers 0..4
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CMD_SAVECONF, // 8 - save configuration
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CMD_ERASESTOR, // 9 - erase all flash storage
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CMD_AMOUNT // amount of CAN commands
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} can_cmd;
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