56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* @Author: mypx
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* @Date: 2025-06-23 13:05:04
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* @LastEditTime: 2025-09-25 13:13:20
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* @LastEditors: mypx mypx_coder@163.com
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* @Description:
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*/
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/***
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* @Author: mypx
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* @Email: mypx_coder@163.com
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* @Date: 2025-06-23 13:05:04
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* @LastEditors: mypx mypx_coder@163.com
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* @Description:
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*/
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#ifndef __TEC_CONTROL_H__
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#define __TEC_CONTROL_H__
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#include "et_ema_filter.h"
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#include "etk_pid.h"
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#include <rtthread.h>
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#include <stdbool.h>
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#define EMA_FILTER_ALPHA 0.1
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#define EXCEPTION_TEMPERATURE_DEF 45.0f // exception temperature value, control will not be performed if exceeded
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#define TEC_CONTROL_PERIOD 1000 // temperature calculation period, unit ms
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#define ADC_SAMPLE_PERIOD 500 // ADC sampling period, unit ms
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// event flags for temperature control
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#define TEC_CONTROL_START_EVENT (1 << 0) // start temperature control event
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#define TEC_CONTROL_STOP_EVENT (1 << 1) // stop temperature control event
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#define TEC_TEMP_UPDATE_EVENT (1 << 2) // target temperature update event
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typedef struct
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{
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double acq_voltage; // acquisition and calculation voltage value
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float target_temper; // target temperature value
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float exception_temper; // exception temperature value, control will not be performed if exceeded
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float cur_temper;
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bool is_control; // whether temperature control is active
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bool is_exception; // whether temperature is in exception state
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et_integral_separation_pid_t pid;
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rt_event_t control_event; // event object for temperature control
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et_ema_filter_t ema_filter;
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} tec_control_t;
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int tec_control_init(tec_control_t *tec);
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void tec_control_reset(void);
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int tec_control_start(void);
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int tec_control_stop(void);
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float tec_get_target_voltage(float R);
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#endif // __TEMPERATURE_H__
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