62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
#ifndef _TEMP_H
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#define _TEMP_H
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#include <stdint.h>
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#include "config.h"
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#define TEMP_FLAG_PRESENT 1
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#define TEMP_FLAG_TCOPEN 2
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#ifdef TEMP_MAX6675
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typedef union {
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struct {
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uint8_t high;
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uint8_t low;
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} buf;
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struct {
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uint16_t dummy :1;
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uint16_t reading :12;
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uint16_t tc_open :1;
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uint16_t device_id :1;
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uint16_t tristate :1;
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} interpret;
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} max6675_data_format;
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#endif
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#ifdef TEMP_THERMISTOR
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#include <avr/pgmspace.h>
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#endif
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#ifdef TEMP_AD595
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#endif
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// setup temperature system
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void temp_init(void);
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// save PID factors to EEPROM
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void temp_save_settings(void);
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// read temperature from sensor
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uint16_t temp_read(void);
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// set target temperature
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void temp_set(uint16_t t);
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// return last read temperature
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uint16_t temp_get(void);
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// return target temperature
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uint16_t temp_get_target(void);
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// true if last read temp is close to target temp, false otherwise
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uint8_t temp_achieved(void);
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// send current temperature to host
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void temp_print(void);
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// periodically read temperature and update heater with PID
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void temp_tick(void);
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#endif /* _TIMER_H */
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