mhu/reflow-oven-control-sw
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Safety Controller:

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* Add watchdog code
* Add file structure for safety controller
* Lay groundstones to move all error flags to the safety controller
* Improve doxygen
This commit is contained in:
Mario Hüttel
2020-07-06 21:12:18 +02:00
parent 8a365ab5e0
commit 67a32cdc20
11 changed files with 265 additions and 1 deletions
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7
stm-firmware/include/reflow-controller/safety/safety-adc.h
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@@ -18,6 +18,11 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @addtogroup safety-adc
* @{
*/
#ifndef __SAFETY_ADC_H__
#define __SAFETY_ADC_H__
@@ -68,3 +73,5 @@ float safety_adc_get_temp();
float safety_adc_get_vref();
#endif /* __SAFETY_ADC_H__ */
/** @} */

38
stm-firmware/include/reflow-controller/safety/safety-config.h Normal file
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@@ -0,0 +1,38 @@
/* 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__
/**
* @brief Magic key used to reset the watchdog using the @ref watchdog_ack function
*/
#define WATCHDOG_MAGIC_KEY 0x1a2c56F4
/**
* @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)
#define WATCHDOG_PRESCALER 4
#endif /* __SAFETY_CONFIG_H__ */

26
stm-firmware/include/reflow-controller/safety/safety-controller.h Normal file
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@@ -0,0 +1,26 @@
/* 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_CONTROLLER_H__
#define __SAFETY_CONTROLLER_H__
#endif /* __SAFETY_CONTROLLER_H__ */

43
stm-firmware/include/reflow-controller/safety/watchdog.h Normal file
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@@ -0,0 +1,43 @@
/* 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 __WATCHDOG_H__
#define __WATCHDOG_H__
#include <reflow-controller/safety/safety-config.h>
#include <stdint.h>
/**
* @brief Setup the watchdog for the safety controller
* @param Prescaler to use for the 32 KHz LSI clock
* @return 0 if successful
* @note Once the watchdog is enabled, it cannot be turned off!
*/
int watchdog_setup(uint8_t prescaler);
/**
* @brief Reset watchdog counter
* @param magic Magic value to prevent this fuinction from being called randomly
* @return 0 if successful
*/
int watchdog_ack(uint32_t magic);
#endif /* __WATCHDOG_H__ */