mhu/reflow-oven-control-sw
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Start safety implementation. Completely dumped old stuff

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This commit is contained in:
Mario Hüttel
2020-07-07 20:47:22 +02:00
parent 06a75559f0
commit 5eb51f08b6
6 changed files with 170 additions and 147 deletions
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2
stm-firmware/Makefile
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@@ -47,7 +47,7 @@ CFILES += fatfs/diskio.c fatfs/ff.c fatfs/ffsystem.c fatfs/ffunicode.c fatfs/shi
CFILES += pid-controller.c oven-driver.c
CFILES += settings/settings.c settings/settings-sd-card.c
CFILES += safety/safety-adc.c safety/safety-controller.c safety/watchdog.c safety/safety-controller-config-default.c
CFILES += safety/safety-adc.c safety/safety-controller.c safety/watchdog.c
DEBUG_DEFINES = -DDEBUGBUILD
RELEASE_DEFINES =

33
stm-firmware/include/reflow-controller/safety/safety-config.h
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@@ -21,6 +21,31 @@
#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),
};
enum timing_monitor {
ERR_TIMING_PID = (1<<0),
ERR_TIMING_MEAS_ADC = (1<<1),
ERR_TIMING_SAFETY_ADC = (1<<2),
};
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
*/
@@ -35,4 +60,12 @@
#define WATCHDOG_PRESCALER 4
#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)
#endif /* __SAFETY_CONFIG_H__ */

92
stm-firmware/include/reflow-controller/safety/safety-controller-config-default.h
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@@ -1,92 +0,0 @@
/* 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/>.
*/
/**
* @defgroup safety-controller-config Safety Controller Setup
* @ingroup safety-controller
* @addtogroup safety-controller-config
* @{
*/
#ifndef __SAFETY_CONTROLLER_CONFIG_H__
#define __SAFETY_CONTROLLER_CONFIG_H__
#include <stdint.h>
#include <stdbool.h>
typedef enum {
ERROR_FLAG_NO_ERR = 0x55,
ERROR_FLAG_ERR = 0xAA,
} error_flag_state;
enum safety_flag {
ERR_FLAG_MEAS_ADC_OFF = 0,
ERR_FLAG_MEAS_ADC_OVERFLOW,
ERR_FLAG_MEAS_ADC_WATCHDOG,
ERR_FLAG_MEAS_ADC_UNSTABLE,
N_ERR_FLAG,
};
enum timing_monitor {
ERR_TIMING_PID = 0,
ERR_TIMING_MEAS_ADC,
N_ERR_TIMING
};
enum analog_value_monitor {
ERR_AMON_VREF = 0,
ERR_AMON_UC_TEMP,
N_ERR_AMON
};
struct error_flag_config {
bool clear_by_sw;
bool persistent;
};
struct timing_mon_config {
bool clear_by_sw;
bool persistent;
uint64_t max_delta;
uint64_t min_delta;
};
struct analog_mon_config {
bool clear_by_sw;
bool persistent;
float min;
float max;
};
struct safety_controller_config {
uint32_t flag_cnt;
struct error_flag_config flag_configs[N_ERR_FLAG];
uint32_t timing_mon_cnt;
struct timing_mon_config timing_configs[N_ERR_FLAG];
uint32_t analog_mon_cnt;
struct analog_mon_config analog_configs[N_ERR_AMON];
};
const struct safety_controller_config *safety_controller_default_config_get();
#endif /* __SAFETY_CONTROLLER_CONFIG_H__ */
/** @} */

9
stm-firmware/include/reflow-controller/safety/safety-controller.h
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@@ -27,8 +27,8 @@
#ifndef __SAFETY_CONTROLLER_H__
#define __SAFETY_CONTROLLER_H__
#include <reflow-controller/safety/safety-controller-config-default.h>
#include <reflow-controller/safety/safety-config.h>
#include <stdbool.h>
/**
* @brief Initialize the safety controller
@@ -46,8 +46,11 @@ void safety_controller_init();
*/
int safety_controller_handle();
int safety_controller_report_error();
int safety_controller_report_error(enum safety_flag flag);
void safety_controller_report_timing(enum timing_monitor monitor);
int safety_controller_enable_timing_mon(enum timing_monitor monitor, bool enable);
#endif /* __SAFETY_CONTROLLER_H__ */

51
stm-firmware/safety/safety-controller-config-default.c
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@@ -1,51 +0,0 @@
/* 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/>.
*/
/**
* @defgroup safety-controller-config Safety Controller Setup
* @ingroup safety-controller
* @addtogroup safety-controller-config
* @{
*/
#include <reflow-controller/safety/safety-controller-config-default.h>
static const struct safety_controller_config default_conf = {
.flag_cnt = N_ERR_FLAG,
.flag_configs = {
{.clear_by_sw = false, .persistent = false}, /* ERR_FLAG_MEAS_ADC_OFF */
{.clear_by_sw = true, .persistent = true}, /* ERR_FLAG_MEAS_ADC_OVERFLOW */
{.clear_by_sw = true, .persistent = true}, /* ERR_FLAG_MEAS_ADC_WATCHDOG */
{.clear_by_sw = false, .persistent = false}, /* ERR_FLAG_MEAS_ADC_UNSTABLE */
},
.timing_mon_cnt = N_ERR_TIMING,
.timing_configs = {
{}, /* ERR_TIMING_PID */
{}, /* ERR_TIMING_MEAS_ADC */
}
};
const struct safety_controller_config *safety_controller_default_config_get()
{
return &default_conf;
}
/** @} */

130
stm-firmware/safety/safety-controller.c
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@@ -25,8 +25,138 @@
#include <reflow-controller/safety/safety-controller.h>
#include <reflow-controller/safety/safety-config.h>
#include <reflow-controller/safety/watchdog.h>
#include <reflow-controller/systick.h>
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
struct error_flag {
const char *name;
enum safety_flag flag;
bool error_state;
bool persistent;
};
struct timing_mon {
const char *name;
enum timing_monitor monitor;
uint64_t min_delta;
uint64_t max_delta;
uint64_t last;
bool enabled;
};
struct analog_mon {
const char *name;
enum analog_value_monitor monitor;
float min;
float max;
float value;
bool valid;
};
#ifdef COUNT_OF
#undef COUNT_OF
#endif
#define COUNT_OF(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
#define ERR_FLAG_ENTRY(errflag, persistency) {.name=#errflag, .flag = (errflag), .error_state = false, .persistent = (persistency)}
#define TIM_MON_ENTRY(mon, min, max) {.name=#mon, .monitor = (mon), .min_delta = (min), .max_delta = (max), .last = 0ULL, .enabled= false}
#define ANA_MON_ENTRY(mon, min_value, max_value) {.name=#mon, .monitor = (mon), .min = (min_value), .max = (max_value), .value = 0.0f, .valid = false}
static struct error_flag flags[] = {
ERR_FLAG_ENTRY(ERR_FLAG_MEAS_ADC_OFF, false),
ERR_FLAG_ENTRY(ERR_FLAG_MEAS_ADC_WATCHDOG, false),
ERR_FLAG_ENTRY(ERR_FLAG_MEAS_ADC_UNSTABLE, false),
ERR_FLAG_ENTRY(ERR_FLAG_MEAS_ADC_OVERFLOW, true),
ERR_FLAG_ENTRY(ERR_FLAG_TIMING_MEAS_ADC, false),
ERR_FLAG_ENTRY(ERR_FLAG_TIMING_PID, false),
ERR_FLAG_ENTRY(ERR_FLAG_AMON_UC_TEMP, true),
ERR_FLAG_ENTRY(ERR_FLAG_AMON_VREF, false),
ERR_FLAG_ENTRY(ERR_FLAG_STACK, true),
};
static struct timing_mon timings[] = {
TIM_MON_ENTRY(ERR_TIMING_PID, 1, 800),
TIM_MON_ENTRY(ERR_TIMING_MEAS_ADC, 1, 50),
TIM_MON_ENTRY(ERR_TIMING_SAFETY_ADC, 220, 500),
};
static struct analog_mon analog_mons[] = {
ANA_MON_ENTRY(ERR_AMON_VREF, 2480.0f, 2520.0f),
ANA_MON_ENTRY(ERR_AMON_UC_TEMP, 0.0f, 55.0f),
};
int safety_controller_report_error(enum safety_flag flag)
{
uint32_t i;
int ret = -1;
for (i = 0; i < COUNT_OF(flags); i++) {
if (flags[i].flag & flag) {
flags[i].error_state = true;
ret = 0;
}
}
return ret;
}
/** @} */
void safety_controller_report_timing(enum timing_monitor monitor)
{
uint32_t i;
struct timing_mon *tim;
uint64_t timestamp;
timestamp = systick_get_global_tick();
for (i = 0; i < COUNT_OF(timings); i++) {
tim = &timings[i];
if (tim->monitor & monitor) {
tim->enabled = true;
tim->last = timestamp;
}
}
}
void safety_controller_init()
{
watchdog_setup(WATCHDOG_PRESCALER);
}
int safety_controller_handle()
{
int ret = 0;
/* TODO: Handle safety ADC */
/* TODO: Check flags for PID and HALT */
ret |= watchdog_ack(WATCHDOG_MAGIC_KEY);
return (ret ? -1 : 0);
}
int safety_controller_enable_timing_mon(enum timing_monitor monitor, bool enable)
{
uint32_t i;
struct timing_mon *tim;
if (enable) {
safety_controller_report_timing(monitor);
} else {
for (i = 0; i < COUNT_OF(timings); i++) {
tim = &timings[i];
if (tim->monitor & monitor) {
tim->enabled = false;
}
}
}
return 0;
}