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//
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//
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//
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#ifndef FUTABA_VFD_H
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#define FUTABA_VFD_H
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#include "hidapi.h"
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#include "HidDevice.h"
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#ifndef MIN
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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//This was computed from our number of pixels as follow 256x64/8/64 = 32 + 1 = 33
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//+1 was added for our header
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const int KFutabaMaxCommandOutputReport = 33;
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//TODO: Get ride of that constant once we figure out a way to get it from hidapi
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const int KFutabaMaxHidReportSize = 65;
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const int KHidReportIdIndex=0;
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const int KFutabaHidReportSizeIndex=1;
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//Define Futaba vendor ID to filter our list of device
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const unsigned short KFutabaVendorId = 0x1008;
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const unsigned short KFutabaProductIdGP1212A01A = 0x100C;
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const unsigned short KFutabaProductIdGP1212A02A = 0x1013; //Or is it 0x1015
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//typedef struct hid_device_info HidDeviceInfo;
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/**
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Define a Futaba HID report.
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*/
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class FutabaVfdReport: public HidReport<KFutabaMaxHidReportSize>
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{
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private:
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};
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/**
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Define a generic Futaba VFD command.
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*/
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class FutabaVfdCommand
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{
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public:
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FutabaVfdCommand();
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~FutabaVfdCommand();
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//
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//void Create(int aMaxSize);
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//void Delete();
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//inline unsigned char& operator[](int aIndex){return iBuffer[aIndex];}
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void Reset();
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private:
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//unsigned char* iBuffer;
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FutabaVfdReport iReports[KFutabaMaxCommandOutputReport];
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int iSize;
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int iMaxSize;
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};
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/**
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*/
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class FutabaVfd : public HidDevice
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{
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public:
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virtual int MinBrightness() const=0;
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virtual int MaxBrightness() const=0;
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virtual void SetBrightness(int aBrightness)=0;
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virtual void Clear()=0;
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};
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/**
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*/
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class FutabaGraphicVfd : public FutabaVfd
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{
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public:
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virtual int WidthInPixels() const=0;
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virtual int HeightInPixels() const=0;
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virtual void SetPixel(unsigned char aX, unsigned char aY, bool aOn)=0;
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virtual void SetAllPixels(unsigned char aOn)=0;
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virtual int FrameBufferSizeInBytes() const=0;
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};
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/**
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Common functionality between GP1212A01A and GP1212A02A
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*/
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class GP1212XXXX : public FutabaGraphicVfd
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{
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public:
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//From FutabaVfd
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virtual int MinBrightness() const {return 0;};
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virtual int MaxBrightness() const {return 5;};
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};
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/**
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GP1212A01A is a graphic display module using a FUTABA 256x64dots VFD.
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The module do not include character ROM, the customer will compile the character
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by themselves (from main system).
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*/
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class GP1212A01A : public GP1212XXXX
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{
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public:
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GP1212A01A();
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//
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int Open();
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//From FutabaGraphicVfd
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virtual int WidthInPixels() const {return 256;};
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virtual int HeightInPixels() const {return 64;};
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virtual void SetPixel(unsigned char aX, unsigned char aY, bool aOn);
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virtual void SetAllPixels(unsigned char aPattern);
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virtual int FrameBufferSizeInBytes() const {return 2048;}; //256*64/8
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//From FutabaVfd
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virtual void SetBrightness(int aBrightness);
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virtual void Clear();
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//Specific to GP1212A01A
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void SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char aValue);
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void SetPixelBlock(unsigned char aX, unsigned char aY, int aHeight, int aSize, unsigned char* aPixels);
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//
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void SetDisplayPosition(unsigned char aX, unsigned char aY);
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void SwapBuffers();
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//
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void RequestId();
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void RequestFirmwareRevision();
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void RequestPowerSupplyStatus();
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//
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void ToggleOffScreenMode();
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bool OffScreenMode() const {return iOffScreenMode;};
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private:
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enum DW
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{
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DW1=0xC0,
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DW2=0xD0
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};
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void SetDisplayPosition(DW aDw,unsigned char aX, unsigned char aY);
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unsigned char OffScreenY() const;
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void SendClearCommand();
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void OffScreenTranslation(unsigned char& aX, unsigned char& aY);
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private:
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unsigned char iDisplayPositionX;
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unsigned char iDisplayPositionY;
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///Off screen mode is the recommended default settings to avoid tearing.
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///Though turning it off can be useful for debugging
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bool iOffScreenMode;
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///
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//FutabaVfdReport iReport;
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///
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//unsigned char iPixelBuffer[256][128];
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};
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#endif |