diff options
Diffstat (limited to 'pcr-controller/temp_curve.c')
| -rw-r--r-- | pcr-controller/temp_curve.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/pcr-controller/temp_curve.c b/pcr-controller/temp_curve.c deleted file mode 100644 index 29db29e..0000000 --- a/pcr-controller/temp_curve.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * r3PCR Teensy Controller Code - * - * - * Copyright (C) 2013-2014 Bernhard Tittelbach <xro@realraum.at> - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * any later version. - * - * This code 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. -*/ - -#include "temp_curve.h" -#include <stdlib.h> -#include <stdio.h> - -extern uint8_t debug_; - -const int16_t temp_margin_ = 16; // 1 °C - -typedef struct tc_entry tc_entry; -struct tc_entry { - int16_t target_temp; - uint16_t hold_for_timeticks; - tc_entry *next; -}; - -tc_entry *temp_curve_ = 0; //pointer to start of curve (so we can free it by going through the list) -tc_entry *temp_curve_end_ = 0; //pointer to last added entry in curve (so we know can quickly append new entries) -tc_entry *temp_curve_current_ = 0; //pointer to currently active entry (temp we currently hold) -tc_entry *temp_curve_loop_first_ = 0; //pointer to start of loop (loop is a subset of curve list) -tc_entry *temp_curve_loop_last_ = 0; //pointer to end of loop (loop is a subset of curve list) - -uint16_t temp_stable_time_ = 0; - -uint8_t temp_curve_original_num_repeats_ = 0; -uint8_t curve_loop_num_repeats_ = 0; // number of times the loop still needs to be reapeated before finishing the rest of the curve - -void tcurve_reset(void) -{ - tc_entry *curr = temp_curve_; - tc_entry *next = 0; - while (curr != 0) { - next = curr->next; - if (debug_) - printf("tcreset: curr: 0x%x, next: 0x%x, end: 0x%x\r\n",(uint16_t)curr,(uint16_t)next,(uint16_t)temp_curve_end_); - free(curr); - if (curr == temp_curve_end_) - break; //just to be sure - curr = next; - } - temp_curve_ = 0; - temp_curve_end_ = 0; - temp_curve_current_ = 0; - temp_curve_original_num_repeats_ = 0; - curve_loop_num_repeats_ = 0; - temp_curve_loop_first_ = temp_curve_; - temp_curve_loop_last_ = 0; - if (debug_) - printf("tcreset: done\n\n"); -} - -uint16_t tcurve_getTimeElapsed(void) -{ - return temp_stable_time_; -} - -uint8_t tcurve_getRepeatsLeft(void) -{ - return curve_loop_num_repeats_; -} - -uint8_t tcurve_isSet(void) -{ - return temp_curve_ != 0; -} - -void tcurve_setRepeats(uint8_t r) -{ - curve_loop_num_repeats_ = r; - temp_curve_original_num_repeats_ = r; -} - -void tcurve_add(int16_t temp, uint16_t hold_for_ticks) -{ - tc_entry *new_entry = malloc(sizeof(tc_entry)); - new_entry->target_temp = temp; - new_entry->hold_for_timeticks = hold_for_ticks; - new_entry->next = 0; - - if (temp_curve_end_ == 0) - { - temp_curve_end_ = new_entry; - temp_curve_ = new_entry; - temp_curve_current_ = new_entry; - temp_curve_loop_first_ = new_entry; - } else { - temp_curve_end_->next = new_entry; - temp_curve_end_ = new_entry; - } -} - -void tcurve_setRepeatStartPosToLatestEntry(void) -{ - //calling this again, overwrites last set loop start entry - temp_curve_loop_first_= temp_curve_end_; - //no loop_last_ before loop_first_ - temp_curve_loop_last_ = 0; -} - -void tcurve_setRepeatEndPosToLatestEntry(void) -{ - //calling this again, overwrites last set loop stop entry - temp_curve_loop_last_ = temp_curve_end_; -} - -void tcurve_printCurve(uint8_t cmd) -{ - if (temp_curve_ == 0) - { - printf("{\"cmd\":\"%c\",\"cmd_ok\":false,\"error\":\"No curve set\"}\r\n",cmd); - return; - } - printf("{\"cmd\":\"%c\",\"curve\":[",cmd); - for (tc_entry *ce = temp_curve_; ; ce=ce->next) - { - printf("{\"temp\":%d,\"duration\":%u,\"is_curr\":%d,\"is_loop_start\":%d,\"is_loop_end\":%d},", - ce->target_temp, - ce->hold_for_timeticks, - ce == temp_curve_current_, - ce == temp_curve_loop_first_, - ce == temp_curve_loop_last_); - - if (ce == temp_curve_end_) - break; - } - printf("0],\"loop_repeats\":%d}\r\n", temp_curve_original_num_repeats_); -} - -int16_t tcurve_getTempToSet(int16_t current_temp, uint16_t ticks_elapsed) -{ - if (temp_curve_current_ == 0) - return TCURVE_ERROR; - - if (current_temp > temp_curve_current_->target_temp - temp_margin_ && current_temp < temp_curve_current_->target_temp + temp_margin_) - { - temp_stable_time_ += ticks_elapsed; - } // else: ignore the case of temp falling temporarily outside of temp_margin_ - - //if temp has been stable for the set amount of timeticks in current curve element - if (temp_stable_time_ >= temp_curve_current_->hold_for_timeticks) - { - temp_stable_time_ = 0; - - if (curve_loop_num_repeats_ && //if repetitions left - ( (temp_curve_loop_last_ != 0 && temp_curve_current_ == temp_curve_loop_last_) //and we have reached a set loop endpoint - || temp_curve_current_->next == 0 //or the end of the list - )) - { //go back to first point in loop - curve_loop_num_repeats_--; - temp_curve_current_ = temp_curve_loop_first_; - } else if (temp_curve_current_->next != 0) //else if elements left in curve list - { // go to next element - temp_curve_current_ = temp_curve_current_->next; - } - //else stay on temperature of last element forever (until reset is called or new elements are added) - } - return temp_curve_current_->target_temp; -} |