reflow-oven-control-sw/stm-firmware/include/reflow-controller/safety/safety-config.h

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/* Reflow Oven Controller
*
* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SAFETY_CONFIG_H__
#define __SAFETY_CONFIG_H__
enum safety_flag {
ERR_FLAG_MEAS_ADC_OFF = (1<<0),
ERR_FLAG_MEAS_ADC_OVERFLOW = (1<<1),
ERR_FLAG_MEAS_ADC_WATCHDOG = (1<<2),
ERR_FLAG_MEAS_ADC_UNSTABLE = (1<<3),
ERR_FLAG_TIMING_PID = (1<<4),
ERR_FLAG_TIMING_MEAS_ADC = (1<<5),
ERR_FLAG_AMON_VREF = (1<<6),
ERR_FLAG_AMON_UC_TEMP = (1<<7),
ERR_FLAG_STACK = (1<<8),
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ERR_FLAG_SAFETY_ADC = (1<<9),
ERR_FLAG_SYSTICK = (1<<10),
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ERR_FLAG_WTCHDG_FIRED = (1<<11),
ERR_FLAG_UNCAL = (1<<12),
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ERR_FLAG_DEBUG = (1<<13),
ERR_FLAG_TIMING_MAIN_LOOP = (1<<14),
ERR_FLAG_SAFETY_MEM_CORRUPT = (1<<15),
};
enum timing_monitor {
ERR_TIMING_PID = (1<<0),
ERR_TIMING_MEAS_ADC = (1<<1),
ERR_TIMING_SAFETY_ADC = (1<<2),
ERR_TIMING_MAIN_LOOP = (1<<3),
};
enum analog_value_monitor {
ERR_AMON_VREF = (1<<0),
ERR_AMON_UC_TEMP = (1<<1),
};
/**
* @brief Magic key used to reset the watchdog using the @ref watchdog_ack function
*/
#define WATCHDOG_MAGIC_KEY 0x1a2c56F4
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#ifdef DEBUGBUILD
/**
* @brief If one, the watchdog is halted whenever the core is halted by the debugger.
*
* This is only applicable in a debug build. In release mode, the watchdog stays always enabled
*/
#define WATCHDOG_HALT_DEBUG (1)
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#else
#define WATCHDOG_HALT_DEBUG (0)
#endif
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#define WATCHDOG_PRESCALER 8
#define SAFETY_MIN_STACK_FREE 0x100
#define PID_CONTROLLER_ERR_CAREMASK (ERR_FLAG_STACK | ERR_FLAG_AMON_UC_TEMP | ERR_FLAG_AMON_VREF | \
ERR_FLAG_TIMING_PID | ERR_FLAG_TIMING_MEAS_ADC | ERR_FLAG_MEAS_ADC_OFF | \
ERR_FLAG_MEAS_ADC_OVERFLOW)
#define HALTING_CAREMASK (ERR_FLAG_STACK | ERR_FLAG_AMON_UC_TEMP)
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#define SAFETY_ADC_VREF_MVOLT (2500.0f)
#define SAFETY_ADC_VREF_TOL_MVOLT (100.0f)
#define SAFETY_ADC_TEMP_LOW_LIM (0.0f)
#define SAFETY_ADC_TEMP_HIGH_LIM (65.0f)
/**
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* @brief Key used to lock the safety flags from external ack'ing
*/
#define MEAS_ADC_SAFETY_FLAG_KEY 0xe554dac3UL
#define SAFETY_CONTROLLER_ADC_DELAY_MS 120
#endif /* __SAFETY_CONFIG_H__ */