Implemented ControlSwitch command.

src/ATM.ino

@@ -7,6 +7,7 @@
 #include "commands/SetVoltages.h"
 #include "commands/MeasureReflection.h"
 #include "commands/VoltageSweep.h"
+#include "commands/ControlSwitch.h"
 
 #define DEBUG
 
@@ -21,6 +22,7 @@ Homing homing;
 SetVoltages setVoltages;
 MeasureReflection measureReflection;
 VoltageSweep voltageSweep;
+ControlSwitch controlSwitch;
 
 // Frequency Settings
 #define FREQUENCY_STEP 100000U    // 100kHz frequency steps for initial frequency sweep
@@ -58,6 +60,7 @@ void setup()
   commandManager.registerCommand('v', &setVoltages);
   commandManager.registerCommand('m', &measureReflection);
   commandManager.registerCommand('s', &voltageSweep);
+  commandManager.registerCommand('c', &controlSwitch);
 
   pinMode(MISO_PIN, INPUT_PULLUP); // Seems to be necessary for SPI to work
 
@@ -118,10 +121,6 @@ void setup()
   digitalWrite(FILTER_SWITCH_A, LOW);
   digitalWrite(FILTER_SWITCH_B, HIGH);
 
-  // RF Switch for switching between preamp and tuning and matching module
-  pinMode(RF_SWITCH_PIN, OUTPUT);
-  digitalWrite(RF_SWITCH_PIN, HIGH);
-
   // ADAC module
   adac.enable_internal_Vref();
   adac.set_DAC_max_2x_Vref();

src/commands/ControlSwitch.cpp

@@ -0,0 +1,52 @@
+#include "Utilities.h"
+#include "ControlSwitch.h"
+
+// Constructor
+ControlSwitch::ControlSwitch()
+{
+    pinMode(RF_SWITCH_PIN, OUTPUT);
+    switch_state = ATM_SYSTEM;
+    digitalWrite(RF_SWITCH_PIN, LOW);
+}
+
+void ControlSwitch::execute(String input_line)
+{
+    char switch_to = input_line[1];
+
+    if ((switch_to == PRE_AMP) && (switch_state != PRE_AMP))
+    {
+        switch_state = PRE_AMP;
+        digitalWrite(RF_SWITCH_PIN, HIGH);
+        result = "Switched to preamp";
+    }
+    else if ((switch_to == ATM_SYSTEM) && (switch_state != ATM_SYSTEM))
+    {
+        switch_state = ATM_SYSTEM;
+        digitalWrite(RF_SWITCH_PIN, LOW);
+        result = "Switched to atm system";
+    }
+    else if (switch_to == switch_state)
+    {
+        result = "Already switched to " + String(switch_to);
+    }
+    else
+    {
+        result = "Invalid switch state";
+    }
+}
+
+void ControlSwitch::printResult()
+{
+    printInfo(result);
+}
+
+void ControlSwitch::printHelp()
+{
+    Serial.println("Control switch command");
+    Serial.println("Syntax: s<switch state>");
+    Serial.println("Example: sa");
+    Serial.println("This will switch to the atm system");
+    Serial.println("Possible switch states:");
+    Serial.println("p: preamp");
+    Serial.println("a: atm system");
+}

src/commands/ControlSwitch.h

@@ -0,0 +1,26 @@
+#ifndef CONTROLSWITCH_H
+#define CONTROLSWITCH_H
+
+#define PRE_AMP 'p'
+#define ATM_SYSTEM 'a'
+
+#include "Command.h"
+
+/**
+ * @brief This class is used to control the switch which is used to switch between the preamplifier and the atm system.
+ * It can take the command <switch_state> where switch_state is either p or a for preamp or atm system respectively.
+ */
+class ControlSwitch : public Command
+{
+public:
+    ControlSwitch();
+    void execute(String input_line) override;
+    void printResult() override;
+    void printHelp() override;
+
+private:
+    char switch_state;
+    String result;
+};
+
+#endif