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yarf 0.1
Yet Another RepRap Firmware
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yarf 0.1
Yet Another RepRap Firmware
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The temperature component manages the temperature of the nozzle and the printbed. More...
#include "temperature.h"#include "yarf.h"#include "thermistor_table.h"#include "scheduling/periodic.h"#include "util/math.h"#include "pid.h"#include <stdint.h>#include <avr/interrupt.h>#include <util/atomic.h>Go to the source code of this file.
Data Structures | |
| struct | heater |
| Declaration of a datastructure representing a heater. More... | |
Defines | |
| #define | INITIAL_TARGET_TEMP_C 0 |
| The target temperature of the nozzle and printbed right after initializing the temperature component, in degrees celsius. | |
Enumerations | |
| enum | { IDLE, READING_NOZZLE, READING_PRINTBED } |
| Enumeration representing the states the ADC manager can be in. More... | |
Functions | |
| static void | set_nozzle_duty_cycle (uint8_t dc) |
| Sets the nozzle heater's PWM duty cycle. | |
| static void | set_printbed_duty_cycle (uint8_t dc) |
| Sets the printbed heater's PWM duty cycle. | |
| static void | adc_init (void) |
| Initializes the hardware ADC component. | |
| static void | pwm_init (void) |
| Initializes the hardware PWM component. | |
| static void | manage_heater_power (struct heater *heater) |
| Sets the amount of power applied to a given heater, based on the result of calling the heater's PID instance. | |
| static float | nozzle_temperature (uint16_t adc) |
| Returns the temperature for a given nozzle thermistor ADC value, based on the nozzle thermistor table. | |
| static float | printbed_temperature (uint16_t adc) |
| Returns the temperature for a given printbed thermistor ADC value, based on the printbed thermistor table. | |
| ISR (ADC_vect, ISR_NOBLOCK) | |
| ADC conversion complete interrupt service routine. | |
| static void | temp_periodic (void) |
| Starts an asynchronous ADC reading for the nozzle thermistor. | |
| static bool | temperature_reached (struct heater *h) |
| Returns whether a heater's target temperature has been reached. | |
| void | temp_init (void) |
| Initializes the temperature component. | |
| void | temp_set_nozzle_target (float c) |
| Sets the target temperature of the nozzle. | |
| float | temp_get_nozzle_temp (void) |
| Returns the last measured temperature of the nozzle in degrees Celsius. | |
| uint16_t | temp_get_nozzle_adc (void) |
| uint8_t | temp_get_nozzle_power (void) |
| Returns the relative amount of power applied to the nozzle's heater. | |
| bool | temp_nozzle_temperature_reached (void) |
| Returns whether the nozzle's target temperature has been reached. | |
| void | temp_nozzle_temperature_wait (void) |
| Blocks until the nozzle's target temperature has been reached. | |
| void | temp_set_printbed_target (float c) |
| Sets the target temperature of the printbed. | |
| float | temp_get_printbed_temp (void) |
| Returns the last measured temperature of the printbed in degrees Celsius. | |
| uint8_t | temp_get_printbed_power (void) |
| Returns the relative amount of power applied to the printbed's heater. | |
| bool | temp_printbed_temperature_reached (void) |
| Returns whether the printbed's target temperature has been reached. | |
| void | temp_printbed_temperature_wait (void) |
| Blocks until the printbed's target temperature has been reached. | |
Variables | |
| static struct heater | nozzle |
| Heater datastructure instance for the printhead nozzle. | |
| static struct heater | printbed |
| Heater datastructure instance for the heated printbed. | |
| static enum { ... } | adc_state |
| static periodic_task_t | temperature_task |
| Periodic task for checking and controlling the nozzle and printbed temperatures at constant intervals. | |
The temperature component manages the temperature of the nozzle and the printbed.
Definition in file temperature.c.
| anonymous enum |
Enumeration representing the states the ADC manager can be in.
| IDLE |
The ADC manager is not doing anything. |
| READING_NOZZLE |
The ADC manager is reading the nozzle's temperature. |
| READING_PRINTBED |
The ADC manager is reading the printbed's temperature. |
Definition at line 74 of file temperature.c.
| ISR | ( | ADC_vect | , |
| ISR_NOBLOCK | |||
| ) |
ADC conversion complete interrupt service routine.
This procedure is called when an ADC conversion is complete. After reading and managing the nozzle's temperature, the printbed's temperature is read and managed. All ADC conversions are performed asynchronously.
Definition at line 205 of file temperature.c.
| static void manage_heater_power | ( | struct heater * | heater | ) | [static] |
Sets the amount of power applied to a given heater, based on the result of calling the heater's PID instance.
This function turns the heater off, if its temperature exceeds its maximum temperature.
| heater | pointer to the heater structure for which to manage the power |
Definition at line 162 of file temperature.c.
| static float nozzle_temperature | ( | uint16_t | adc | ) | [inline, static] |
Returns the temperature for a given nozzle thermistor ADC value, based on the nozzle thermistor table.
| adc | the 10-bit ADC value measured from the nozzle's thermistor |
Definition at line 181 of file temperature.c.
| static float printbed_temperature | ( | uint16_t | adc | ) | [inline, static] |
Returns the temperature for a given printbed thermistor ADC value, based on the printbed thermistor table.
| adc | the 10-bit ADC value measured from the printbed's thermistor |
Definition at line 193 of file temperature.c.
| static void set_nozzle_duty_cycle | ( | uint8_t | dc | ) | [static] |
Sets the nozzle heater's PWM duty cycle.
| dc | the duty cycle to which to set the nozzle heater's PWM module (0 to 255) |
Definition at line 98 of file temperature.c.
| static void set_printbed_duty_cycle | ( | uint8_t | dc | ) | [inline, static] |
Sets the printbed heater's PWM duty cycle.
| dc | the duty cycle to which to set the printbed heater's PWM module (0 to 255) |
Definition at line 113 of file temperature.c.
| uint8_t temp_get_nozzle_power | ( | void | ) |
Returns the relative amount of power applied to the nozzle's heater.
Definition at line 323 of file temperature.c.
| float temp_get_nozzle_temp | ( | void | ) |
Returns the last measured temperature of the nozzle in degrees Celsius.
Definition at line 309 of file temperature.c.
| uint8_t temp_get_printbed_power | ( | void | ) |
Returns the relative amount of power applied to the printbed's heater.
Definition at line 357 of file temperature.c.
| float temp_get_printbed_temp | ( | void | ) |
Returns the last measured temperature of the printbed in degrees Celsius.
Definition at line 350 of file temperature.c.
| void temp_init | ( | void | ) |
Initializes the temperature component.
The nozzle and printbed target temperatures are set to INITIAL_TARGET_TEMP_C.
Definition at line 280 of file temperature.c.
| bool temp_nozzle_temperature_reached | ( | void | ) |
Returns whether the nozzle's target temperature has been reached.
Definition at line 329 of file temperature.c.
| static void temp_periodic | ( | void | ) | [static] |
Starts an asynchronous ADC reading for the nozzle thermistor.
After the reading is completed, the ADC_vect interrupt service routine will be executed. This function should be called periodically to manage the nozzle and printbed temperatures.
Definition at line 244 of file temperature.c.
| bool temp_printbed_temperature_reached | ( | void | ) |
Returns whether the printbed's target temperature has been reached.
Definition at line 363 of file temperature.c.
| void temp_set_nozzle_target | ( | float | c | ) |
Sets the target temperature of the nozzle.
| c | the target temperature of the nozzle in degrees Celsius. |
Definition at line 302 of file temperature.c.
| void temp_set_printbed_target | ( | float | c | ) |
Sets the target temperature of the printbed.
| c | the target temperature of the printbed in degrees Celsius. |
Definition at line 343 of file temperature.c.
| static bool temperature_reached | ( | struct heater * | h | ) | [inline, static] |
Returns whether a heater's target temperature has been reached.
This is considered to be the cases when its temperature is within 2 degrees celsius of the target temperature.
| h | pointer to the heater for which to check if the target temperature has been reached. |
Definition at line 273 of file temperature.c.
1.7.4