jens/arduino_ph_controller
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jens 2025-07-10 22:13:00 +02:00
parent 59a9763f79
commit c5c4aa2627
2 changed files with 80 additions and 5 deletions
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38
gui/main.py
View File

@ -101,11 +101,14 @@ class PHControllerGUI(QMainWindow):
calibration_layout = QHBoxLayout()
self.cal_ph4_btn = QPushButton("Kalibrieren pH4")
self.cal_ph7_btn = QPushButton("Kalibrieren pH7")
self.debug_btn = QPushButton("Debug Info")
self.cal_ph4_btn.clicked.connect(lambda: self.send_calibration_command(4))
self.cal_ph7_btn.clicked.connect(lambda: self.send_calibration_command(7))
self.debug_btn.clicked.connect(self.send_debug_command)
calibration_layout.addWidget(self.cal_ph4_btn)
calibration_layout.addWidget(self.cal_ph7_btn)
calibration_layout.addWidget(self.debug_btn)
# Auto Mode
auto_mode_layout = QHBoxLayout()
@ -201,6 +204,16 @@ class PHControllerGUI(QMainWindow):
QMessageBox.critical(self, "Fehler", f"Verbindungsfehler: {str(e)}")
def close_connection(self):
# Turn off pump before closing connection for safety
if self.serial_connection and self.serial_connection.is_open:
try:
self.send_command("<12>") # Pump off for safety
# Give Arduino time to process the command
import time
time.sleep(0.1)
except:
pass # Ignore errors during shutdown
if self.serial_connection and self.serial_connection.is_open:
self.serial_connection.close()
self.serial_connection = None
@ -231,6 +244,7 @@ class PHControllerGUI(QMainWindow):
self.tube_combo.setEnabled(enabled)
self.cal_ph4_btn.setEnabled(enabled)
self.cal_ph7_btn.setEnabled(enabled)
self.debug_btn.setEnabled(enabled)
self.auto_dose_btn.setEnabled(enabled)
self.volume_spin.setEnabled(enabled)
self.reset_volume_checkbox.setEnabled(enabled)
@ -316,6 +330,11 @@ class PHControllerGUI(QMainWindow):
QMessageBox.information(self, "Kalibrierung",
"pH7 Kalibrierung gestartet. Sensor in pH6.86-Lösung tauchen und warten bis der Wert stabil ist.")
def send_debug_command(self):
"""Send debug command to get calibration values"""
self.send_command("<19>") # Request debug info
self.status_bar.showMessage("Debug-Informationen angefragt...")
def start_auto_dose(self):
volume = self.volume_spin.value()
# Calculate pump run time based on tube size and volume
@ -362,10 +381,29 @@ class PHControllerGUI(QMainWindow):
self.update_total_volume(flow_rate)
except ValueError:
pass
elif data.startswith('DEBUG'): # Debug information
# Show debug info in a message box
QMessageBox.information(self, "Debug Information",
f"Kalibrierungsdaten:\n{data}")
elif data.startswith('CAL'): # Calibration confirmation with details
# Show calibration info in status bar and message box
self.status_bar.showMessage(f"Kalibrierung abgeschlossen: {data}")
QMessageBox.information(self, "Kalibrierung",
f"Kalibrierung erfolgreich:\n{data}")
except Exception as e:
self.status_bar.showMessage(f"Lesefehler: {str(e)}")
def closeEvent(self, event):
# Safety: Turn off pump before closing
if self.serial_connection and self.serial_connection.is_open:
try:
self.send_command("<12>") # Ensure pump is off
# Give Arduino time to process the command
import time
time.sleep(0.1)
except:
pass # Ignore errors during shutdown
# Stop all timers
self.read_timer.stop()
self.ph_request_timer.stop()

47
ph_controller/ph_controller.ino
View File

@ -199,7 +199,15 @@ void setup(){
for (int PhThisReading = 0; PhThisReading < NumReadings; PhThisReading++) // initialize all the Ph readings to 0:
PhReadings[PhThisReading] = 0;
PhRatio = (Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Calculate Ph Ratio
PhRatio = (double)(Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Calculate Ph Ratio
// Debug output at startup
Serial.print("Setup - Ph4Reading: ");
Serial.print(Ph4Reading);
Serial.print(", Ph7Reading: ");
Serial.print(Ph7Reading);
Serial.print(", PhRatio: ");
Serial.println(PhRatio, 4);
Serial.begin(9600);
while(Serial.available()) Serial.read(); // empty RX buffer
@ -262,15 +270,29 @@ if ( RxCmd[1] == '1' ){
case '5':{// pH4 Kalibrierung starten
Ph4Reading = (int) PhAverage;
EEPROM.put(addrph4, Ph4Reading);
PhRatio = (Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Recalculate ratio
Serial.println("<CAL4>"); // Bestätigung
PhRatio = (double)(Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Recalculate ratio
Serial.print("<CAL4>");
Serial.print(" Ph4R:");
Serial.print(Ph4Reading);
Serial.print(" Ph7R:");
Serial.print(Ph7Reading);
Serial.print(" Ratio:");
Serial.print(PhRatio, 4);
Serial.println(">");
break;
}
case '6':{// pH7 Kalibrierung starten
Ph7Reading = (int) PhAverage;
EEPROM.put(addrph7, Ph7Reading);
PhRatio = (Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Recalculate ratio
Serial.println("<CAL7>"); // Bestätigung
PhRatio = (double)(Ph4Reading - Ph7Reading) / (Ph7Buffer - Ph4Buffer); // Recalculate ratio
Serial.print("<CAL7>");
Serial.print(" Ph4R:");
Serial.print(Ph4Reading);
Serial.print(" Ph7R:");
Serial.print(Ph7Reading);
Serial.print(" Ratio:");
Serial.print(PhRatio, 4);
Serial.println(">");
break;
}
case '7':{
@ -300,6 +322,21 @@ if ( RxCmd[1] == '1' ){
Serial.println(">");
break;
}
case '9':{// Debug: Kalibrierungswerte anzeigen
Serial.print("<DEBUG>");
Serial.print(" PhAvg:");
Serial.print(PhAverage);
Serial.print(" Ph4R:");
Serial.print(Ph4Reading);
Serial.print(" Ph7R:");
Serial.print(Ph7Reading);
Serial.print(" Ratio:");
Serial.print(PhRatio, 4);
Serial.print(" PhVal:");
Serial.print(PhValue, 2);
Serial.println(">");
break;
}
}
}