94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/* Reflow Oven Controller
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*
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* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* The Reflow Oven Control Firmware 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 the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __SAFETY_CONFIG_H__
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#define __SAFETY_CONFIG_H__
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enum safety_flag {
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ERR_FLAG_MEAS_ADC_OFF = (1<<0),
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ERR_FLAG_MEAS_ADC_OVERFLOW = (1<<1),
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ERR_FLAG_MEAS_ADC_WATCHDOG = (1<<2),
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ERR_FLAG_MEAS_ADC_UNSTABLE = (1<<3),
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ERR_FLAG_TIMING_PID = (1<<4),
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ERR_FLAG_TIMING_MEAS_ADC = (1<<5),
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ERR_FLAG_AMON_VREF = (1<<6),
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ERR_FLAG_AMON_UC_TEMP = (1<<7),
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ERR_FLAG_STACK = (1<<8),
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ERR_FLAG_SAFETY_ADC = (1<<9),
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ERR_FLAG_SYSTICK = (1<<10),
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ERR_FLAG_WTCHDG_FIRED = (1<<11),
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ERR_FLAG_UNCAL = (1<<12),
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ERR_FLAG_DEBUG = (1<<13),
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};
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enum timing_monitor {
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ERR_TIMING_PID = (1<<0),
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ERR_TIMING_MEAS_ADC = (1<<1),
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ERR_TIMING_SAFETY_ADC = (1<<2),
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};
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enum analog_value_monitor {
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ERR_AMON_VREF = (1<<0),
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ERR_AMON_UC_TEMP = (1<<1),
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};
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/**
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* @brief Magic key used to reset the watchdog using the @ref watchdog_ack function
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*/
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#define WATCHDOG_MAGIC_KEY 0x1a2c56F4
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#ifdef DEBUGBUILD
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/**
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* @brief If one, the watchdog is halted whenever the core is halted by the debugger.
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*
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* This is only applicable in a debug build. In release mode, the watchdog stays always enabled
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*/
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#define WATCHDOG_HALT_DEBUG (1)
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#else
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#define WATCHDOG_HALT_DEBUG (0)
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#endif
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#define WATCHDOG_PRESCALER 4
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#define SAFETY_MIN_STACK_FREE 0x100
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#define PID_CONTROLLER_ERR_CAREMASK (ERR_FLAG_STACK | ERR_FLAG_AMON_UC_TEMP | ERR_FLAG_AMON_VREF | \
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ERR_FLAG_TIMING_PID | ERR_FLAG_TIMING_MEAS_ADC | ERR_FLAG_MEAS_ADC_OFF | \
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ERR_FLAG_MEAS_ADC_OVERFLOW)
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#define HALTING_CAREMASK (ERR_FLAG_STACK | ERR_FLAG_AMON_UC_TEMP)
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#define SAFETY_ADC_VREF_MVOLT (2500.0f)
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#define SAFETY_ADC_VREF_TOL_MVOLT (100.0f)
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#define SAFETY_ADC_TEMP_LOW_LIM (0.0f)
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#define SAFETY_ADC_TEMP_HIGH_LIM (65.0f)
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/**
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* @brief Key used to lock the safefety flags from external ack'ing
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*/
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#define MEAS_ADC_SAFETY_FLAG_KEY 0xe554dac3UL
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#define SAFETY_CONTROLLER_ADC_DELAY_MS 120
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#endif /* __SAFETY_CONFIG_H__ */
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