Diff: GasCalibrationPageHandler.h

Revision:

1:a5258871b33d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GasCalibrationPageHandler.h	Thu Jul 20 08:42:29 2017 +0000
@@ -0,0 +1,87 @@
+#ifndef GASCALIBRATIONPAGEHANDLER_H
+#define GASCALIBRATIONPAGEHANDLER_H
+
+#include "mbed.h"
+#include "DMBoard.h"
+
+#include "USBHostGC.h"
+
+#include "GuiLib.h"
+
+/*
+    A struct to relate the index of an easyGUI touch area on the 'GasCalibrationPage',
+    with the easyGUI variable and our own internal variable to which it corresponds
+*/
+typedef struct structGasCalibrationEasyGUITouchAreaAndVariables {
+    int touchAreaIndex;
+    GuiConst_TEXT * easyGUIVariablePtr;
+    unsigned int maxValue;
+    GuiConst_INTCOLOR * easyGUIBackgroundColorVariablePtr;
+    char variableName[41];
+} GasCalibrationEasyGUITouchAreaAndVariables;
+
+
+/*
+    This class handles user interaction with the easyGUI "GasCalibrationPage",
+    as well as storing the values in QSPI memory.
+    
+    Note that this class is a singleton - we do not need or want there to be more than one instance of it
+    (we do not want multiple values for the carrier gas selection, etc, and nor will we show 
+    more than one easyGUI 'GasCalibrationPage' to the user at the same time).
+*/
+class GasCalibrationPageHandler {
+public:
+    /**
+    * Static method to create (if necessary) and retrieve the single GasCalibrationPageHandler instance
+    */
+    static GasCalibrationPageHandler * GetInstance(USBDeviceConnected* newUsbDevice, USBHostGC* newUsbHostGC);
+    
+    bool TouchAreaIsOnCalibrationPage(int touchAreaIndex);
+
+    bool DealWithTouch(int touchAreaIndex);
+    
+    void DisplayingEasyGUIPage(bool updateEasyGUIVariables);
+    
+private:
+    enum {CARRIER_GAS_HELIUM = 0, CARRIER_GAS_HYDROGEN = 1, CARRIER_GAS_NITROGEN = 2};
+    
+    static GasCalibrationPageHandler * theGasCalibrationPageHandlerInstance;
+    
+    static const GuiConst_INTCOLOR inactiveFieldBackgroundColour;
+    static const GuiConst_INTCOLOR activeFieldBackgroundColour;
+    
+    USBDeviceConnected* usbDevice;
+    USBHostGC* usbHostGC;
+    
+    int indexOfValueCurrentlyBeingEdited;
+    
+    // singleton class -> constructor is private
+    GasCalibrationPageHandler(USBDeviceConnected* newUsbDevice, USBHostGC* newUsbHostGC);    
+    ~GasCalibrationPageHandler();
+
+    void SaveCarrierGasSelectionToQSPISettings(void);
+    void ReadCarrierGasSelectionFromQSPISettings(void);
+
+    void UpdateEasyGUIPage(void);
+
+    void GetCurrentCalibrationFromGC(void);
+    void SetCurrentCalibrationInGC(void);
+    
+    bool GetCalibrationDACAndFlowValuesFromGC(int carrierGasSelection, int valueIndex, char *bufferForDACValue, char *bufferForFlowValue);
+    bool SetCalibrationDACAndFlowValuesInGC(int carrierGasSelection, int valueIndex, char *bufferForDACValue, char *bufferForFlowValue);
+    
+    bool ConstructGasCalibrationGCCommand(bool wantSetCommand, int carrierGasSelection, int valueIndex, bool wantDACCommand, char *commandBuffer);
+    void CopyBufferDigitsToCommand(char *commandBuffer, char *digitsBuffer);
+    
+    enum { COUNT_OF_VARIABLES_FOR_TOUCH_AREAS = 12 };
+    GasCalibrationEasyGUITouchAreaAndVariables variablesForTouchArea[COUNT_OF_VARIABLES_FOR_TOUCH_AREAS];
+    
+    void SetAllFieldBackgroundColoursToInactive(void);
+
+    int GetIndexOfValueToEditForTouchArea(int touchAreaIndex);
+
+    void CopyCommandResponseToBufferWithoutLeadingZeroes(char *commandResponse, char *buffer);
+};
+
+#endif // GASCALIBRATIONPAGEHANDLER_H
+