-
Notifications
You must be signed in to change notification settings - Fork 0
/
TFT_BREW.ino
3931 lines (2638 loc) · 84.7 KB
/
TFT_BREW.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// TFT Brew
//
// 2018 By brewzone-systems.co.uk
//
// To utilize a Mega2560 and its additional pins
// allowing a 320*480 TFT LCD colour touch screen.
//
// Bluetooth LE using a HM10/CC41-A or similar.
//
// SD card reading/writing of PID parameters for analysis
// either on the Mega2560 or PC/Andriod etc.
//
// Also the Max31865 and PT100 allows for higher precision
//
// This is based on e.Brew
// A PID controller for single-kettle brewing.
// by Richard Oostindie
//
// Which is again based on:
// Sous Vide Controller
// Bill Earl - for Adafruit Industries
//
// This is based on the Arduino PID and PID AutoTune Libraries
// by Brett Beauregard
//------------------------------------------------------------------
//==============================================//
// Include the various libraries //
//==============================================//
#include <includes_mega.h> // Putting the libraries here helps during compile time
//==============================================//
// PID Stuff
//==============================================//
double Input;
double Input0;
double Input1;
double Output;
double Output0;
double Output1;
double ratio0;
double ratio1;
double Kp;
double Ki;
double Kd;
double PIDsetpoint;
//long DC;
PID myPID(&Input, &Output, &PIDsetpoint, Kp, Ki, Kd,P_ON_E, DIRECT); //Specify the links and initial tuning parameters
int WindowSize = 1000; // 1 second Time Proportional Output window
unsigned long windowStartTime;
byte ATuneModeRemember=2;
double aTuneStep=500;
double aTuneNoise=1;
unsigned int aTuneLookBack=20;
boolean tuning = false;
PID_ATune aTune(&Input, &Output);
unsigned long lastInput = 0; // last button press
int tt;
String StrKettleSensor;
int IntKettleSensor;
// Timer stuff
elapsedMillis timeElapsed; //declare global if you don't want it reset every time loop runs
unsigned int interval = 60000; // 1 minute interval
int ElapsedMin = 0;
int mins = 0;
long time_frame = 0;
long loop_count = 0;
//EEPROM
const int AlarmSpAddress = 0+33;
const int KpAddress = 8+33;
const int KiAddress = 16+33;
const int KdAddress = 24+33;
const int TMarginAddress = 32+33;
//Bluetooth CC41-A stuff
//const int mybaud = 19200;
//==============================================//
// Assign Max31865 pins + assign reference val //b
//==============================================//
Adafruit_MAX31865 max0 = Adafruit_MAX31865(48, 51, 50, 52);
Adafruit_MAX31865 max1 = Adafruit_MAX31865(49, 51, 50, 52);
#define RREF 430.0
//====================================================//
// Set minimum and maximum values for averaging temps //
//====================================================//
float mnf0 = 120.0;
float mnf1 = 120.0;
float mxf0 = -20.0;
float mxf1 = -20.0;
//==========================================================================================//
// Set up values to virtualize a given vessels heating and cooling characteristics //
// Makes finding Kp Ki Kd settings much easier as can be done from comfort of Your armchair //
// http://jansson.us/MashPhysics.html
//==========================================================================================//
double starttemp;
double tune = 0;
double heatingrate = 0;
double coolingrate = 0;
double heatrate = 0.02915; // 17.49C divided by 600 seconds
double coolrate = 0.000685185; // 0.411111111C divided by 600 seconds
double ramp = 0;
//int reduction1 = 0; // Used to apply drops in temperature to test PID's reaction to them
//int reduction2 = 0;
//int reduction3 = 0;
byte value; // Used by Eeprom write/read routines
byte sensors_on_off = 0; // These added to provide Virtual functionality, graph displays and loop time testing
byte graph = 0;
volatile long looptime = 0;
// SDcard Stuff
//File Serial;
//const int chipSelect = 47;
//=====================================================================//
// Set up the arrays to enable timers for mash, boil hop additions etc //
//=====================================================================//
double TimerMargin;
int stage = 0;
double Setpoint[6] = {0,0,0,0,0,0};
int SpPos = 0;
double timer[6] = {0,0,0,0,0,0};
int TmPos = 0;
double hop[6] = {0,0,0,0,0,0};
int HopPos = 0;
int AlarmRaised = 0;
int BoilTimer = 0;
volatile long onTime = 0;
double AlarmSetpoint;
int NumSens = 2;
float increment;
byte update_text = 0;
//==============================================//
// States for state machine
//==============================================//
byte opState, OFF = 0,RUN = 1;
//==============================================//
// Buzzer //
//==============================================//
#define buzzerPin A9
#define NOTE_C7 2093
#define NOTE_E7 2637
#define NOTE_G7 3136
//==============================================//
// SSR Relays //
//==============================================//
#define Relaypin 43
//==============================================//
// TFT Stuff //
//==============================================//
MCUFRIEND_kbv tft = MCUFRIEND_kbv();
// Set up the touch screen pins
uint8_t YP = A1; // must be an analog pin, use "An" notation!
uint8_t XM = A2;// must be an analog pin, use "An" notation!
uint8_t XP = 6; // can be a digital pin
uint8_t YM = 7; // can be a digital pin
uint16_t TS_LEFT = 931;
uint16_t TS_RT = 172;
uint16_t TS_TOP = 913;
uint16_t TS_BOT = 179;
uint8_t SwapXY = 0;
byte drawkeypad = 0;
byte sim = 0;
#define PRESSED true
#define RELEASED false
boolean _btn_state = RELEASED;
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
TSPoint tp;
#define SWAP(a, b) {uint16_t tmp = a; a = b; b = tmp;}
#define MINPRESSURE 10
#define MAXPRESSURE 1000
uint8_t buttons;
uint16_t identifier;
uint8_t Orientation = 3; //Portrait
#define BUTTON_NONE 0
#define BUTTON_1 1
#define BUTTON_2 2
#define BUTTON_3 3
#define BUTTON_4 4
#define BUTTON_5 5
#define BUTTON_6 6
#define BUTTON_UP 7
#define BUTTON_DOWN 8
#define BUTTON_BACK 9
#define BUTTON_FORWARD 10
#define BUTTON_RESET 11
#define GETMEOUTOFHERE 12
uint8_t _btn_last = BUTTON_NONE;
uint16_t xpos, ypos;
uint16_t loopstart;
double mash = 65.0;
double ave0 = 0.0;
double ave1 = 0.0;
uint16_t x0 = 39;
uint16_t x1 = 39;
uint16_t x2 = 39;
uint16_t xx0 = 39;
uint16_t xx1 = 39;
uint16_t xx2 = 39;
uint16_t y0 = 24;
uint16_t yy0 = 24;
//==============================================//
// Define some colours
//==============================================//
#define BLACK 0x0000 /* 0, 0, 0 */
#define WHITE 0x0FFF /* 255, 255, 255 */
#define NAVY 0x001F /* 0, 0, 128 */
#define GREEN 0x03E0 /* 0, 128, 0 */
#define DarkCyan 0x03EF /* 0, 128, 128 */
#define VIOLET 0x7800 /* 128, 0, 0 */
#define Maroon 0x780F /* 128, 0, 128 */
#define Olive 0x7BE0 /* 128, 128, 0 */
#define LIGHTGREY 0xC618 /* 192, 192, 192 */
#define DarkGrey 0x7BEF /* 128, 128, 128 */
#define BLUE 0x000F /* 0, 0, 255 */
#define DarkGreen 0x07E0 /* 0, 255, 0 */
#define CYAN 0x07FF /* 0, 255, 255 */
#define RED 0xF800 /* 255, 0, 0 */
#define MAGENTA 0xF81F /* 255, 0, 255 */
#define YELLOW 0xAFE5 /* 255, 255, 0 */
#define ORANGE 0xFD20 /* 255, 165, 0 */
#define GreenYellow 0xAFE5 /* 173, 255, 47 */
#define Pink 0xF81F
//==============================================//
// DiSplay Variables and constants
//==============================================//
void setup()
{
Serial.begin(19200);
tft.reset();
identifier = tft.readID();
tft.begin(identifier); // May nedd to adjust the display driver setting to 0x55 from 0x66 for correct colour settings (0x3A, 1, 0x55, //Interlace Pixel Format [XX])
tft.setRotation(Orientation); // Which is found in MCUFRIEND_kbv.cpp
// Initialize the PID and related variables
LoadParameters();
//==============================================//
// PID Stuff
//==============================================//
myPID.SetTunings(Kp,Ki,Kd);
myPID.SetSampleTime(1000);
myPID.SetOutputLimits(0, WindowSize);
//==============================================//
// Start the MAX31865 Temperature Sensors //
//==============================================//
max0.begin(MAX31865_3WIRE);
max1.begin(MAX31865_3WIRE);
// Initialize Relay and Buzzer Control:
pinMode(Relaypin, OUTPUT); // Output mode to drive relay
digitalWrite(Relaypin, LOW); // make sure it is off to start
pinMode (buzzerPin, OUTPUT) ; // Output mode to drive buzzer
// SDcard stuff
//pinMode(chipSelect, OUTPUT);
//SD.begin(chipSelect);
buzz(buzzerPin, NOTE_C7, 300,3);
//===================================//
//Initialize Timer5 for 400Hz 16bit //
//===================================//
noInterrupts();
TCCR5A = 0;
TCCR5B = 0;
TCNT5 = 0;
// 400 Hz (16000000/((624+1)*64))
OCR5A = 624;
// CTC
TCCR5B |= (1 << WGM52);
// Prescaler 64
TCCR5B |= (1 << CS51) | (1 << CS50);
// Output Compare Match A Interrupt Enable
TIMSK5 |= (1 << OCIE5A);
interrupts();
}
//=====================================//
// Timer Interrupt Handler //
// Changed to timer 5 as it is 16bit //
//=====================================//
ISR(TIMER5_COMPA_vect)
{
if (opState == OFF) {digitalWrite(Relaypin, LOW);} // make sure relay is off
else {DriveOutput();}
looptime ++;
}
//==============================================//
void loop()
{
drawmainscreen();
Reset();
Off();
reboot();
}
//==============================================//
void Off()
{
draw_keypad1();
off_keys();
tft.fillRect(152, 2, 326, 316, BLUE);
tft.setTextSize(2);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(270,150);
tft.print(F("TFTBREW"));
tft.setCursor(185,280);
tft.print(F("Brewzone-Systems.co.uk"));
tft.setTextSize(1);
myPID.SetMode(MANUAL);
digitalWrite(Relaypin, LOW); // make sure it is off
opState = OFF;
while (true)
{
ReadButtons();
if (buttons == BUTTON_1)
{
/* Serial.close();
delay(600000);
*/
reboot(); // Obvious what this does
}
if (buttons == BUTTON_2) {Logging();} // Not being used due to Bluetooth being more flexible,
if (buttons == BUTTON_FORWARD) {pid_menu();}
}
}
void reboot()
{
wdt_disable();
wdt_enable(WDTO_15MS);
while (1) {}
}
//==============================================//
void pid_menu()
{
draw_keypad1();
pid_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
while (true)
{
ReadButtons();
if (buttons == BUTTON_1) {Tune_Sp();}
if (buttons == BUTTON_2) {TuneD();}
if (buttons == BUTTON_3) {TuneP();}
if (buttons == BUTTON_4) {TuneI();}
if (buttons == BUTTON_5) {Runrealvirt();} // Choose between realtime and virtual settings
if (buttons == BUTTON_6) {set_time(); ShowTemp(); drawmainscreen(); draw_keypad1(); pid_keys();} // Continuously show temperature
if (buttons == BUTTON_UP) {simulation();} // Turn virtualisation on/off
if (buttons == BUTTON_DOWN) {Favourites();} // Some popular temperature settings
if (buttons == BUTTON_BACK) {Off();}
if (buttons == BUTTON_FORWARD) {timer_menu();} // Set boil mash and hop timers
DoControl();
} // End of while loop
}
//==============================================//
void Tune_Sp()
{
draw_keypad1();
tunesp_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,10);
tft.print(F("Mash Temp : "));tft.print(mash);tft.print(F(" C "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,20);
tft.print(F("SP : "));tft.print(Setpoint[SpPos]);tft.print(F(" C "));tft.print(F("SP Pos : "));tft.print(SpPos);tft.print(F(" "));
if (Setpoint[SpPos] == 0 && SpPos >= 1) {Setpoint[SpPos] = Setpoint[(SpPos-1)];}
increment = 0;
while(true)
{
ReadButtons();
if (buttons == BUTTON_1) {increment = 0.01;}
if (buttons == BUTTON_2) {increment = 1;}
if (buttons == BUTTON_3) {increment = 5;}
if (buttons == BUTTON_4) {increment = 10;}
if (buttons == BUTTON_5) {mash += increment; update_text = 1; if (mash > 68) {mash = 62;} update_text = 1;}
if (buttons == BUTTON_6) {SpPos++; update_text = 1; if (SpPos > 5) {SpPos = 0;}}
if (buttons == BUTTON_BACK) { if (SpPos == 0) {TmPos = SpPos; pid_menu();} else {TmPos = SpPos - 1; pid_menu();}}
if (buttons == BUTTON_UP && (Setpoint[SpPos] + increment) <= 115) {Setpoint[SpPos] += increment; update_text = 1;}
if (buttons == BUTTON_DOWN && (Setpoint[SpPos] - increment) >= -15 && (Setpoint[SpPos] -increment >= Setpoint[(SpPos-1)])) {Setpoint[SpPos] -= increment; update_text = 1;}
if (update_text == 1)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,10);
tft.print(F("Mash Temp : "));tft.print(mash);tft.print(F(" C "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,20);
tft.print(F("SP : "));tft.print(Setpoint[SpPos]);tft.print(F(" C "));tft.print(F("SP Pos : "));tft.print(SpPos);tft.print(F(" "));
update_text = 0;
}
DoControl();
} // End of while loop
}
//==============================================//
void TuneP()
{
draw_keypad1();
tunep_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,40);
tft.print(F("Set Kp : "));tft.print(Kp);tft.print(F(" "));
increment = 0;
while(true)
{
ReadButtons();
if (buttons == BUTTON_1) {increment = 0.01;}
if (buttons == BUTTON_2) {increment = 1;}
if (buttons == BUTTON_3) {increment = 10;}
if (buttons == BUTTON_4) {increment = 100;}
if (buttons == BUTTON_5) {increment = 500;}
if (buttons == BUTTON_6) {increment = 1000;}
if (buttons == BUTTON_UP) {Kp += increment; update_text = 1;}
if (buttons == BUTTON_DOWN) {Kp -= increment; update_text = 1;}
if (buttons == BUTTON_BACK) {pid_menu();}
if (update_text == 1)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,40);
tft.print(F("Set Kp : "));tft.print(Kp);tft.print(F(" "));
update_text = 0;
}
DoControl();
} // End of while loop
}
//==============================================//
void TuneI()
{
draw_keypad1();
tunei_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,50);
tft.print(F("Set Ki : "));tft.print(Ki);tft.print(F(" "));
// delay(500);
while(true)
{
ReadButtons();
if (buttons == BUTTON_1) {increment = 0.01;}
if (buttons == BUTTON_2) {increment = 1;}
if (buttons == BUTTON_3) {increment = 10;}
if (buttons == BUTTON_4) {increment = 100;}
if (buttons == BUTTON_5) {increment = 500;}
if (buttons == BUTTON_6) {increment = 1000;}
if (buttons == BUTTON_UP) {Ki += increment; update_text = 1;}
if (buttons == BUTTON_DOWN) {Ki -= increment; update_text = 1;}
if (buttons == BUTTON_BACK) {pid_menu();}
if (update_text == 1)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,50);
tft.print(F("Set Ki : "));tft.print(Ki);tft.print(F(" "));
update_text = 0;
}
DoControl();
} // End of while loop
}
//==============================================//
void TuneD()
{
draw_keypad1();
tuned_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,60);
tft.print(F("Set Kd : "));tft.print(Kd);tft.print(F(" "));
increment = 0;
while(true)
{
ReadButtons();
if (buttons == BUTTON_1) {increment = 0.01;}
if (buttons == BUTTON_2) {increment = 1;}
if (buttons == BUTTON_3) {increment = 10;}
if (buttons == BUTTON_4) {increment = 100;}
if (buttons == BUTTON_5) {increment = 500;}
if (buttons == BUTTON_6) {increment = 1000;}
if (buttons == BUTTON_UP) {Kd += increment; update_text = 1;}
if (buttons == BUTTON_DOWN) {Kd -= increment; update_text = 1;}
if (buttons == BUTTON_BACK) {pid_menu();}
if (update_text == 1)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,60);
tft.print(F("Set Kd : "));tft.print(Kd);tft.print(F(" "));
update_text = 0;
}
DoControl();
} // End of while loop
}
//====================================================================================//
// This is where We select to Run with or without a graphical display or to Autotune //
//====================================================================================//
void Run()
{
tft.setTextSize(1);
// 2 short beeps for starting program
buzz(buzzerPin, NOTE_C7, 200, 2);
AlarmRaised = 0;
int TempReached = 0;
if (stage == 0)
{
stage = 1;
SpPos = 0;
TmPos = 0;
ElapsedMin = timer[TmPos];
timeElapsed = 0;
PIDsetpoint = Setpoint[SpPos];
}
myPID.SetTunings(Kp,Ki,Kd);
if (graph == 0)
{
draw_keypad1();
run_keys();
tft.fillRect(152, 2 , 326, 316, BLUE);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,20);
tft.print(F("SP : "));tft.print(Setpoint[SpPos]);tft.print(F(" C "));tft.print(F("SP Pos : "));tft.print(SpPos);
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,40);
tft.print(F("Kp : "));tft.print(Kp);tft.print(F(" "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,50);
tft.print(F("Ki : "));tft.print(Ki);tft.print(F(" "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,60);
tft.print(F("Kd : "));tft.print(Kd);tft.print(F(" "));
}
// Serial = SD.open("TEST.TXT", FILE_WRITE);
increment = 0;
while(true)
{
ReadButtons();
if ((buttons == BUTTON_2 && graph !=1) && (abs(Input - Setpoint[SpPos]) < 0.5)) {StartAutoTune();}
if (buttons == BUTTON_3 && graph !=1)
{
graph = 1;
tft.setTextSize(1);
y0 = 24;
yy0 = 24;
tft.fillScreen(BLACK);
tft.drawLine(39, 24, 39 ,289, BLUE);
tft.drawLine((39+mash*4),25, (39+mash*4), 289, ORANGE);
tft.drawLine(439, 24, 439 ,289, RED);
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 22, 290 );tft.print("Current");
tft.setCursor( 2, 300 );
tft.print(F("A: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 2, 310 );
tft.print(F("B: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 140, 290 );tft.print("Lowest");
tft.setCursor( 120, 300 );
tft.print(F("A: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 120, 310 );
tft.print(F("B: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 260, 290 );tft.print("Average");
tft.setCursor( 240, 300 );
tft.print(F("A: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 240, 310 );
tft.print(F("B: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 380, 290 );tft.print("Highest");
tft.setCursor( 360, 300 );
tft.print(F("A: "));
tft.setTextColor(WHITE, BLACK);
tft.setCursor( 360, 310 );
tft.print(F("B: "));
//tft.setTextColor(WHITE, VIOLET);
//tft.setCursor( 430, 290 );
//tft.print(F("Exit"));
}
if (buttons == 4 && graph !=1) {increment = 0.01;}
if (buttons == 5 && graph !=1) {increment = 1;}
if (buttons == 6 && graph !=1) {increment = 10;}
if (buttons == BUTTON_UP && graph !=1) {Setpoint[SpPos] += increment; PIDsetpoint = Setpoint[SpPos]; if (Setpoint[SpPos] >=100) {Setpoint[SpPos]=100;}}
if (buttons == BUTTON_DOWN && graph !=1) {Setpoint[SpPos] -= increment; PIDsetpoint = Setpoint[SpPos]; if (Setpoint[SpPos] <=0){Setpoint[SpPos]=0;}}
if (buttons == BUTTON_BACK && graph !=1) {opState = OFF; pid_menu();}
if (buttons == BUTTON_FORWARD && graph !=1) {opState = OFF; timer_menu();} // Set boil mash and hop timers
float FloatInput = Input;
float FloatSetpoint = Setpoint[SpPos];
float FloatTimerMargin = TimerMargin;
if ( (FloatInput*1000) >= ( (FloatSetpoint*1000) - (FloatTimerMargin*1000) ) && TempReached == 0)
{
// first time temp reached. Set var and reset timer
TempReached = 1;
timeElapsed = 0;
//Setpoint reached, 2 short beeps
buzz(buzzerPin, NOTE_C7, 100, 2);
delay(50);;
buzz(buzzerPin, NOTE_C7, 100, 2);
delay(50);
}
if ( (FloatInput*1000) >= (FloatSetpoint*1000) || TempReached == 1)
{
if (graph == 0)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,120);
tft.print(F("Count Down Timer : "));tft.print(ElapsedMin);tft.print(F(" Mins "));
}
if (timeElapsed > interval)
{
ElapsedMin --;
timeElapsed = 0; // reset the counter to 0 so the counting starts over...
}}
if (ElapsedMin == 0 && SpPos <= 5)
{
if (Setpoint[(SpPos+1)] != 0 && timer[(TmPos+1)] != 0 && stage <= 6)
{
stage++;
SpPos++;
TmPos++;
TempReached = 0;
PIDsetpoint = Setpoint[SpPos];
ElapsedMin = timer[TmPos];
if (graph == 0)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,40);
tft.print(F("Kp : "));tft.print(Kp);tft.print(F(" "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,50);
tft.print(F("Ki : "));tft.print(Ki);tft.print(F(" "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,60);
tft.print(F("Kd : "));tft.print(Kd);tft.print(F(" "));
}}
if (stage == 6 || Setpoint[SpPos] == 100 || Setpoint == 0) {opState = OFF;}
if (graph == 0)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,20);
tft.print(F("SP : "));tft.print(Setpoint[SpPos]);tft.print(F(" C "));tft.print(F("SP Pos : "));tft.print(SpPos);
}}
if (Setpoint[SpPos] != 100) {DoControl();}
else if (Setpoint[SpPos] >= 100) {digitalWrite(Relaypin,HIGH); TakeTemp();}
if (graph == 0)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,30);
tft.print(F("PV : "));tft.print(Input);tft.print(F(" C "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,150);
tft.print(F("Sensor 1 : "));tft.print(ratio0);tft.print(F(" Max : "));tft.print(mxf0);tft.print(F(" C "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,160);
tft.print(F("Sensor 2 : "));tft.print(ratio1);tft.print(F(" Max : "));tft.print(mxf1);tft.print(F(" C "));
}
if (tuning)
{
if (graph == 0)
{
tft.setTextColor(WHITE,BLACK);
tft.setCursor(2,20);
tft.print(F(" Tuning "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,80);
tft.print(F("Output : "));tft.print((Output/WindowSize)*100);tft.print(F(" % "));tft.print(F(": "));tft.print(ramp);tft.print(F(" C "));
if (Setpoint[SpPos] < Input)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,90);
tft.print(F("Overshoot : "));tft.print(((mxf1-Setpoint[SpPos])/Setpoint[SpPos])*100);tft.print(F(" % : "));tft.print((mxf1-Setpoint[SpPos]));tft.print(F(" C "));
}}
sdcard_sub();
}
else
{
if (graph == 0)
{
tft.setTextColor(WHITE,BLACK);
tft.setCursor(2,20);
tft.print(F(" Running "));
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,80);
tft.print(F("Output : "));tft.print((Output/WindowSize)*100);tft.print(F(" % "));tft.print(F(": "));tft.print(ramp);tft.print(F(" C "));
if (Setpoint[SpPos] < Input)
{
tft.setTextColor(WHITE,BLUE);
tft.setCursor(160,90);
tft.print(F("Overshoot : "));tft.print(((mxf1-Setpoint[SpPos])/Setpoint[SpPos])*100);tft.print(F(" % : "));tft.print((mxf1-Setpoint[SpPos]));tft.print(F(" C "));
}}