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Commit be88a054 authored by João Lino's avatar João Lino
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Termostat calibration at various operation stages.

parent 70db1dfa
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brew.ino
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...@@ -22,20 +22,20 @@ ...@@ -22,20 +22,20 @@
#define PT100_DOWN_OUTPUT_PIN 31 #define PT100_DOWN_OUTPUT_PIN 31
#define PT100_DOWN_TIME_BETWEEN_READINGS 100 #define PT100_DOWN_TIME_BETWEEN_READINGS 100
#define PT100_BASE_DEFAULT_ADC_VMAX 1.084 #define PT100_BASE_DEFAULT_ADC_VMAX 1.1
#define PT100_BASE_DEFAULT_VS 4.83 #define PT100_BASE_DEFAULT_VS 5.0
#define PT100_BASE_DEFAULT_R1_RESISTENCE 605.0 #define PT100_BASE_DEFAULT_R1_RESISTENCE 608.99
#define PT100_BASE_DEFAULT_LINE_RESISTENCE 1.9 //1.813 #define PT100_BASE_DEFAULT_LINE_RESISTENCE 0.5408314
#define PT100_BASE_DEFAULT_OPERATION_RESISTENCE 0.0 #define PT100_BASE_DEFAULT_OPERATION_RESISTENCE 0.0
#define PT100_UP_DEFAULT_ADC_VMAX 1.081 #define PT100_UP_DEFAULT_ADC_VMAX 1.1
#define PT100_UP_DEFAULT_VS 4.87 #define PT100_UP_DEFAULT_VS 5.0
#define PT100_UP_DEFAULT_R1_RESISTENCE 606.0 #define PT100_UP_DEFAULT_R1_RESISTENCE 608.95
#define PT100_UP_DEFAULT_LINE_RESISTENCE 0.7 #define PT100_UP_DEFAULT_LINE_RESISTENCE 0.5408314
#define PT100_UP_DEFAULT_OPERATION_RESISTENCE 0.0 #define PT100_UP_DEFAULT_OPERATION_RESISTENCE 0.0
#define PT100_DOWN_DEFAULT_ADC_VMAX 1.081 #define PT100_DOWN_DEFAULT_ADC_VMAX 1.1
#define PT100_DOWN_DEFAULT_VS 4.87 #define PT100_DOWN_DEFAULT_VS 5.0
#define PT100_DOWN_DEFAULT_R1_RESISTENCE 606.0 #define PT100_DOWN_DEFAULT_R1_RESISTENCE 608.95
#define PT100_DOWN_DEFAULT_LINE_RESISTENCE 0.7 #define PT100_DOWN_DEFAULT_LINE_RESISTENCE 0.5408314
#define PT100_DOWN_DEFAULT_OPERATION_RESISTENCE 0.0 #define PT100_DOWN_DEFAULT_OPERATION_RESISTENCE 0.0
// ++++++++++++++++++++++++ Mixer ++++++++++++++++++++++++ // ++++++++++++++++++++++++ Mixer ++++++++++++++++++++++++
...@@ -190,9 +190,9 @@ int iPumpSpeed; // Time frame to operate in ...@@ -190,9 +190,9 @@ int iPumpSpeed; // Time frame to operate in
LiquidCrystal_I2C lcd(LCD_I2C_ADDR, LCD_EN_PIN, LCD_RW_PIN, LCD_RS_PIN, LCD_D4_PIN, LCD_D5_PIN, LCD_D6_PIN, LCD_D7_PIN); LiquidCrystal_I2C lcd(LCD_I2C_ADDR, LCD_EN_PIN, LCD_RW_PIN, LCD_RS_PIN, LCD_D4_PIN, LCD_D5_PIN, LCD_D6_PIN, LCD_D7_PIN);
// +++++++++++++++++++++++ PT100 +++++++++++++++++++++++ // +++++++++++++++++++++++ PT100 +++++++++++++++++++++++
PT100 basePT100(PT100_BASE_OUTPUT_PIN, PT100_BASE_INPUT_PIN, PT100_BASE_TIME_BETWEEN_READINGS, PT100_BASE_DEFAULT_ADC_VMAX, PT100_BASE_DEFAULT_VS, PT100_BASE_DEFAULT_R1_RESISTENCE, PT100_BASE_DEFAULT_LINE_RESISTENCE, PT100_BASE_DEFAULT_OPERATION_RESISTENCE); PT100 basePT100("base", PT100_BASE_OUTPUT_PIN, PT100_BASE_INPUT_PIN, PT100_BASE_TIME_BETWEEN_READINGS, PT100_BASE_DEFAULT_ADC_VMAX, PT100_BASE_DEFAULT_VS, PT100_BASE_DEFAULT_R1_RESISTENCE, PT100_BASE_DEFAULT_LINE_RESISTENCE, PT100_BASE_DEFAULT_OPERATION_RESISTENCE);
PT100 upPT100(PT100_UP_OUTPUT_PIN, PT100_UP_INPUT_PIN, PT100_UP_TIME_BETWEEN_READINGS, PT100_UP_DEFAULT_ADC_VMAX, PT100_UP_DEFAULT_VS, PT100_UP_DEFAULT_R1_RESISTENCE, PT100_UP_DEFAULT_LINE_RESISTENCE, PT100_UP_DEFAULT_OPERATION_RESISTENCE); PT100 upPT100("up", PT100_UP_OUTPUT_PIN, PT100_UP_INPUT_PIN, PT100_UP_TIME_BETWEEN_READINGS, PT100_UP_DEFAULT_ADC_VMAX, PT100_UP_DEFAULT_VS, PT100_UP_DEFAULT_R1_RESISTENCE, PT100_UP_DEFAULT_LINE_RESISTENCE, PT100_UP_DEFAULT_OPERATION_RESISTENCE);
PT100 downPT100(PT100_DOWN_OUTPUT_PIN, PT100_DOWN_INPUT_PIN, PT100_DOWN_TIME_BETWEEN_READINGS, PT100_DOWN_DEFAULT_ADC_VMAX, PT100_DOWN_DEFAULT_VS, PT100_DOWN_DEFAULT_R1_RESISTENCE, PT100_DOWN_DEFAULT_LINE_RESISTENCE, PT100_DOWN_DEFAULT_OPERATION_RESISTENCE); PT100 downPT100("down", PT100_DOWN_OUTPUT_PIN, PT100_DOWN_INPUT_PIN, PT100_DOWN_TIME_BETWEEN_READINGS, PT100_DOWN_DEFAULT_ADC_VMAX, PT100_DOWN_DEFAULT_VS, PT100_DOWN_DEFAULT_R1_RESISTENCE, PT100_DOWN_DEFAULT_LINE_RESISTENCE, PT100_DOWN_DEFAULT_OPERATION_RESISTENCE);
// ######################### INTERRUPTS ######################### // ######################### INTERRUPTS #########################
void isr () { // Interrupt service routine is executed when a HIGH to LOW transition is detected on CLK void isr () { // Interrupt service routine is executed when a HIGH to LOW transition is detected on CLK
...@@ -293,13 +293,19 @@ void xSetupRotaryEncoder( eRotaryEncoderMode newMode, int newPosition, int newMa ...@@ -293,13 +293,19 @@ void xSetupRotaryEncoder( eRotaryEncoderMode newMode, int newPosition, int newMa
// ######################### START ######################### // ######################### START #########################
void xSafeHardwarePowerOff() { void xSafeHardwarePowerOff() {
// analogWrite(MIXER_PIN, 0); // Turn mixer OFF for safety // Turn off gracefully
iPumpSpeed = PUMP_SPEED_STOP;
xRegulatePumpSpeed();
// Force shutdown
analogWrite(PUMP_PIN, PUMP_SPEED_STOP); // analogWrite values from 0 to 255 analogWrite(PUMP_PIN, PUMP_SPEED_STOP); // analogWrite values from 0 to 255
digitalWrite(HEATING_ELEMENT_OUTPUT_PIN, LOW); // Turn heading element OFF for safety digitalWrite(HEATING_ELEMENT_OUTPUT_PIN, LOW); // Turn heading element OFF for safety
//basePT100.xSafeHardwarePowerOff(); // Turn temperature sensor OFF for safety
//analogWrite(MIXER_PIN, 0); // Turn mixer OFF for safety
} }
void displayWelcome() { void displayWelcome() {
#ifndef DEBUG
lcdPrint(" Let's start", " Brewing!"); // Write welcome lcdPrint(" Let's start", " Brewing!"); // Write welcome
// Play Melody; // Play Melody;
...@@ -307,6 +313,7 @@ void displayWelcome() { ...@@ -307,6 +313,7 @@ void displayWelcome() {
//termometerCalibration(); //termometerCalibration();
delay(SETTING_WELCOME_TIMEOUT); // pause for effect delay(SETTING_WELCOME_TIMEOUT); // pause for effect
#endif
} }
void setup() { void setup() {
...@@ -468,7 +475,7 @@ void displayStatus() { ...@@ -468,7 +475,7 @@ void displayStatus() {
// Reset the repaint flag after the repaint has been done // Reset the repaint flag after the repaint has been done
repaint = false; repaint = false;
} }
// Print positions with no numbers, before the measured temperature value // Print positions with no numbers, before the measured temperature value
lcd.setCursor (3,0); lcd.setCursor (3,0);
if (basePT100.getCurrentTemperature() < 10) { if (basePT100.getCurrentTemperature() < 10) {
...@@ -533,6 +540,16 @@ void displayMainMenu() { ...@@ -533,6 +540,16 @@ void displayMainMenu() {
break; break;
} }
case eMainMenu_STOP: {
MainMenu_STOP();
menu_position[0] = -1;
// reset operation state | INPUT : eRotaryEncoderMode newMode, int newPosition, int newMaxPosition, int newMinPosition, int newSingleStep, int newMultiStep
xSetupRotaryEncoder( eRotaryEncoderMode_Menu, eMainMenu_GO, MENU_SIZE_MAIN_MENU - 1, 0, 1, 0 );
break;
}
case eMainMenu_Presets: { case eMainMenu_Presets: {
MainMenu_Presets(); MainMenu_Presets();
...@@ -673,6 +690,16 @@ void displayMainMenu() { ...@@ -673,6 +690,16 @@ void displayMainMenu() {
break; break;
} }
case eMainMenu_Purge: {
MainMenu_Purge();
menu_position[0] = -1;
// reset operation state | INPUT : eRotaryEncoderMode newMode, int newPosition, int newMaxPosition, int newMinPosition, int newSingleStep, int newMultiStep
xSetupRotaryEncoder( eRotaryEncoderMode_Menu, eMainMenu_Purge, MENU_SIZE_MAIN_MENU - 1, 0, 1, 0 );
break;
}
case eMainMenu_Settings: { case eMainMenu_Settings: {
MainMenu_Settings(); MainMenu_Settings();
...@@ -685,12 +712,12 @@ void displayMainMenu() { ...@@ -685,12 +712,12 @@ void displayMainMenu() {
} }
case eMainMenu_Back: { case eMainMenu_Back: {
MainMenu_Back(); MainMenu_Back();
menu_position[0] = -1; menu_position[0] = -1;
// reset operation state | INPUT : eRotaryEncoderMode newMode, int newPosition, int newMaxPosition, int newMinPosition, int newSingleStep, int newMultiStep // reset operation state | INPUT : eRotaryEncoderMode newMode, int newPosition, int newMaxPosition, int newMinPosition, int newSingleStep, int newMultiStep
xSetupRotaryEncoder( eRotaryEncoderMode_Menu, eMainMenu_Settings, MENU_SIZE_MAIN_MENU - 1, 0, 1, 0 ); xSetupRotaryEncoder( eRotaryEncoderMode_Menu, eMainMenu_Back, MENU_SIZE_MAIN_MENU - 1, 0, 1, 0 );
break; break;
} }
default: { default: {
...@@ -707,6 +734,11 @@ void displayMainMenu() { ...@@ -707,6 +734,11 @@ void displayMainMenu() {
lcd.print("-> GO "); lcd.print("-> GO ");
break; break;
} }
case eMainMenu_STOP: {
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("-> STOP ");
break;
}
case eMainMenu_Presets: { case eMainMenu_Presets: {
lcd.setCursor (0,1); // go to start of 2nd line lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("-> Presets "); lcd.print("-> Presets ");
...@@ -777,6 +809,11 @@ void displayMainMenu() { ...@@ -777,6 +809,11 @@ void displayMainMenu() {
lcd.print("-> Cooling "); lcd.print("-> Cooling ");
break; break;
} }
case eMainMenu_Purge: {
lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("-> Purge ");
break;
}
case eMainMenu_Settings: { case eMainMenu_Settings: {
lcd.setCursor (0,1); // go to start of 2nd line lcd.setCursor (0,1); // go to start of 2nd line
lcd.print("-> Settings "); lcd.print("-> Settings ");
...@@ -809,6 +846,14 @@ void displayMainMenu() { ...@@ -809,6 +846,14 @@ void displayMainMenu() {
void MainMenu_GO() { void MainMenu_GO() {
startBrewing(); startBrewing();
xTransitionIntoStage_GlobalVariables( eCookingStage_Startpoint );
backToStatus();
}
void MainMenu_STOP() {
stopBrewing();
backToStatus(); backToStatus();
} }
...@@ -918,6 +963,17 @@ void MainMenu_Cooling() { ...@@ -918,6 +963,17 @@ void MainMenu_Cooling() {
backToStatus(); backToStatus();
} }
void MainMenu_Purge() {
// Stop anything that might be still going on
xSafeHardwarePowerOff();
// Start at the Purge stage
startBrewing();
xTransitionIntoStage_GlobalVariables( eCookingStage_Purge );
backToStatus();
}
void MainMenu_Settings() { void MainMenu_Settings() {
iPumpSpeed = xSetGenericValue( iPumpSpeed, 0, 255, "Pump Speed", "PWM" ); iPumpSpeed = xSetGenericValue( iPumpSpeed, 0, 255, "Pump Speed", "PWM" );
...@@ -1018,9 +1074,9 @@ bool xRegulatePumpSpeed() { ...@@ -1018,9 +1074,9 @@ bool xRegulatePumpSpeed() {
if( iPumpSpeed ) { if( iPumpSpeed ) {
//basePT100.setPower( PT100_BASE_DARLINGTON_ADC_VMAX, PT100_BASE_DARLINGTON_VS ); //basePT100.setPower( PT100_BASE_DARLINGTON_ADC_VMAX, PT100_BASE_DARLINGTON_VS );
basePT100.setMeasuredTemperatureDeviation( -4.41 ); basePT100.setMeasuredTemperatureDeviation( -1.00 );
upPT100.setMeasuredTemperatureDeviation( -4.41 ); upPT100.setMeasuredTemperatureDeviation( -1.00 );
downPT100.setMeasuredTemperatureDeviation( -4.41 ); downPT100.setMeasuredTemperatureDeviation( -1.00 );
} }
else { else {
//basePT100.setPower( PT100_BASE_DEFAULT_ADC_VMAX, PT100_BASE_DEFAULT_VS ); //basePT100.setPower( PT100_BASE_DEFAULT_ADC_VMAX, PT100_BASE_DEFAULT_VS );
...@@ -1108,7 +1164,7 @@ void xBasicStageOperation( int iStageTime, int iStageTemperature, int iStageTemp ...@@ -1108,7 +1164,7 @@ void xBasicStageOperation( int iStageTime, int iStageTemperature, int iStageTemp
} }
void xWarnCookEnded() { void xWarnCookEnded() {
/// TODO sing(MELODY_UNDERWORLD, PIEZO_PIN);
} }
void operateMachine() { void operateMachine() {
...@@ -1124,7 +1180,7 @@ void operateMachine() { ...@@ -1124,7 +1180,7 @@ void operateMachine() {
// If cooking is done, return (this is a nice place to double check safety and ensure the cooking parts aren't on. // If cooking is done, return (this is a nice place to double check safety and ensure the cooking parts aren't on.
if(!cooking) { if(!cooking) {
xSafeHardwarePowerOff(); xSafeHardwarePowerOff();
return; return;
} }
...@@ -1134,77 +1190,75 @@ void operateMachine() { ...@@ -1134,77 +1190,75 @@ void operateMachine() {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( startpointTime, startpointTemperature, 1, eCookingStage_BetaGlucanase ); xBasicStageOperation( startpointTime, startpointTemperature, 1, eCookingStage_BetaGlucanase );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_BetaGlucanase: { case eCookingStage_BetaGlucanase: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( betaGlucanaseTime, betaGlucanaseTemperature, 1, eCookingStage_Debranching ); xBasicStageOperation( betaGlucanaseTime, betaGlucanaseTemperature, 1, eCookingStage_Debranching );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Debranching: { case eCookingStage_Debranching: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( debranchingTime, debranchingTemperature, 1, eCookingStage_Proteolytic ); xBasicStageOperation( debranchingTime, debranchingTemperature, 1, eCookingStage_Proteolytic );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Proteolytic: { case eCookingStage_Proteolytic: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( proteolyticTime, proteolyticTemperature, 1, eCookingStage_BetaAmylase ); xBasicStageOperation( proteolyticTime, proteolyticTemperature, 1, eCookingStage_BetaAmylase );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_BetaAmylase: { case eCookingStage_BetaAmylase: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( betaAmylaseTime, betaAmylaseTemperature, 1, eCookingStage_AlphaAmylase ); xBasicStageOperation( betaAmylaseTime, betaAmylaseTemperature, 1, eCookingStage_AlphaAmylase );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_AlphaAmylase: { case eCookingStage_AlphaAmylase: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( alphaAmylaseTime, alphaAmylaseTemperature, 1, eCookingStage_Mashout ); xBasicStageOperation( alphaAmylaseTime, alphaAmylaseTemperature, 1, eCookingStage_Mashout );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Mashout: { case eCookingStage_Mashout: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( mashoutTime, mashoutTemperature, 1, eCookingStage_Recirculation ); xBasicStageOperation( mashoutTime, mashoutTemperature, 1, eCookingStage_Recirculation );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Recirculation: { case eCookingStage_Recirculation: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( recirculationTime, recirculationTemperature, 1, eCookingStage_Sparge ); xBasicStageOperation( recirculationTime, recirculationTemperature, 1, eCookingStage_Sparge );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Sparge: { case eCookingStage_Sparge: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( spargeTime, spargeTemperature, 1, eCookingStage_Boil ); xBasicStageOperation( spargeTime, spargeTemperature, 1, eCookingStage_Boil );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Boil: { case eCookingStage_Boil: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( boilTime, boilTemperature, 1, eCookingStage_Cooling ); xBasicStageOperation( boilTime, boilTemperature, 1, eCookingStage_Cooling );
// There is nothing to do, in this iteration
break; break;
} }
case eCookingStage_Cooling: { case eCookingStage_Cooling: {
// A basic operation for a basic stage // A basic operation for a basic stage
xBasicStageOperation( coolingTime, coolingTemperature, 1, eCookingStage_Done ); xBasicStageOperation( coolingTime, coolingTemperature, 1, eCookingStage_Done );
// There is nothing to do, in this iteration break;
}
case eCookingStage_Purge: {
// A basic operation for a basic stage
//xBasicStageOperation( coolingTime, coolingTemperature, 1, eCookingStage_Done );
iPumpSpeed = PUMP_SPEED_MAX;
xRegulatePumpSpeed();
break; break;
} }
default : { default : {
...@@ -1220,6 +1274,8 @@ void operateMachine() { ...@@ -1220,6 +1274,8 @@ void operateMachine() {
// #################################################### Helpers ################################################################## // #################################################### Helpers ##################################################################
void startBrewing() { void startBrewing() {
//sing(MELODY_SUPER_MARIO, PIEZO_PIN);
cooking = true; cooking = true;
} }
......
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