mhu/reflow-oven-control-sw
2
0
Fork 0
Code Issues 4 Pull Requests Releases 4 Wiki Activity

Add safety management in PID handler and main loop

Browse Source
This commit is contained in:
Mario Hüttel
2020-06-14 19:09:59 +02:00
parent a33154b2d0
commit cbd28f9a12
5 changed files with 129 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
stm-firmware/include/reflow-controller/oven-driver.h
View File

@@ -25,9 +25,28 @@
#include <stdbool.h>
#include <reflow-controller/pid-controller.h>
enum oven_pid_error_report {
OVEN_PID_NO_ERROR = 0,
OVEN_PID_ERR_PT1000_ADC_WATCHDOG = (1<<0),
OVEN_PID_ERR_PT1000_ADC_OFF = (1<<1),
OVEN_PID_ERR_PT1000_OTHER = (1<<2),
OVEN_PID_ERR_VREF_TOL = (1<<3),
OVEN_PID_ERR_OVERTEMP = (1<<4),
};
struct oven_pid_errors {
bool generic_error;
bool pt1000_adc_watchdog;
bool pt1000_adc_off;
bool pt1000_other;
bool vref_tol;
bool controller_overtemp;
};
struct oven_pid_status {
bool active;
bool aborted;
struct oven_pid_errors error_flags;
float target_temp;
float current_temp;
uint64_t timestamp_last_run;
@@ -41,11 +60,11 @@ void oven_driver_disable(void);
void oven_pid_init(struct pid_controller *controller_to_copy);
void oven_pid_handle(float target_temp, float current_temp);
void oven_pid_handle(float target_temp);
void oven_pid_stop();
void oven_pid_report_error(void);
void oven_pid_report_error(enum oven_pid_error_report report);
const struct oven_pid_status *oven_pid_get_status(void);

9
stm-firmware/include/reflow-controller/safety-adc.h
View File

@@ -24,11 +24,10 @@
#include <stdint.h>
#include <stdbool.h>
#define SAFETY_ADC_FRAC_BITS (8)
#define SAFETY_ADC_VREF_VOLT (2.5)
#define SAFETY_ADC_VREF_TOL (0.25)
#define SAFETY_ADC_VREF_INT ()
#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)
enum safety_adc_meas_channel {SAFETY_ADC_MEAS_VREF, SAFETY_ADC_MEAS_TEMP};
enum safety_adc_check_result {