pelco_p.h

串口的读写

#ifndef PELCO_P_H
#define PELCO_P_H

/*** Pelco_P Protocol *******************/
typedef struct {
	BYTE	STX;
	BYTE	Address;
	BYTE	Data1;
	BYTE	Data2;
	BYTE	Data3;		// Pan Speed
	BYTE	Data4;		// Tilt Speed
	BYTE	ETX;
	BYTE	CheckSum;
} PELCO_P_PROTOCOL;

#ifdef ZZZ
#define PELCO_P_STX	0xA0
#define PELCO_P_ETX	0xAF
/*** Pelco_P : Address ******************/
#define PELCO_P_ADDRESS_MIN 0x00
#define PELCO_P_ADDRESS_MAX 0x1F
/*** Pelco_P : Data1 ********************/
enum {
	PELCO_P_D1_CAMERA_ON = 0x40;
	PELCO_P_D1_AUTOSCAN_ON = 0x20;
	PELCO_P_D1_CAMERA_ON_OFF = 0x10;
	PELCO_P_D1_IRIS_CLOSE = 0x08;
	PELCO_P_D1_IRIS_OPEN = 0x04;
	PELCO_P_D1_FOCUS_NEAR = 0x02;
	PELCO_P_D1_FOCUS_FAR = 0x01;
};
/*** Pelco_P : Data2 ********************/
enum {
	PELCO_P_D2_ZOOM_WIDE = 0x40;
	PELCO_P_D2_ZOOM_TELE = 0x20;
	PELCO_P_D2_TILT_DOWN = 0x10;
	PELCO_P_D2_TILT_UP = 0x08;
	PELCO_P_D2_PAN_LEFT = 0x04;
	PELCO_P_D2_PAN_RIGHT = 0x02;
};
/*** Pelco_P : Data3 ********************/
#define PELCO_P_D3_PAN_SPEED_MIN	0x00
#define PELCO_P_D3_PAN_SPEED_MAX	0x3F
#define PELCO_P_D3_PAN_SPEED_TURBO	0x40
/*** Pelco_P : Data4 ********************/
#define PELCO_P_D3_TILT_SPEED_MIN	0x00
#define PELCO_P_D3_TILT_SPEED_MAX	0x3F

#endif

namespace Pelco_P_Protocol {
		const UINT MessageLen = 8;	
		const UINT MessageHead = sizeof(UINT);	
		const BYTE STX = 0xA0;
		const BYTE ETX = 0xAF;
		// Pan and Tilt Commands
		// Data1
		const byte FocusFar =	0x01;
		const byte FocusNear =	0x02;
		const byte IrisOpen =	0x04;
		const byte IrisClose =	0x08;
		const byte CameraOnOff = 0x10;
		const byte AutoscanOn =	0x20;
		const byte CameraOn =	0x40;

		// Data2
		const byte PanRight =	0x02;
		const byte PanLeft =	0x04;
		const byte TiltUp =		0x08;
		const byte TiltDown =	0x10;
		const byte ZoomTele =	0x20;
		const byte ZoomWide =	0x40;

		// Data3
		const byte PanSpeedMin = 0x00;
		const byte PanSpeedMax = 0x40;

		// Data4
		const byte TiltSpeedMin = 0x00;
		const byte TiltSpeedMax = 0x3F;

class CPelco_P
{
	public:
		CPelco_P() {};
		~CPelco_P() {};
		enum PresetAction {PresetAction_Set,PresetAction_Clear,PresetAction_Goto};
		enum PatternAction {PatternAction_Start,PatternAction_Stop,PatternAction_Run};
		enum AuxAction {AuxAction_Set=0x09,AuxAction_Clear=0x0B};
		enum Action {Action_Start,Action_Stop};
		enum LensSpeed {LensSpeed_Low=0x00,LensSpeed_Medium=0x01,LensSpeed_High=0x02,LensSpeed_Turbo=0x03};
		enum Pan {Left = PanLeft,Right = PanRight};
		enum Tilt {Up = TiltUp,Down = TiltDown};
		enum Iris {Open = IrisOpen,Close = IrisClose};
		enum Zoom {Wide = ZoomWide,Tele = ZoomTele};
		enum Switch {Switch_On,Switch_Off};
		enum Focus {Near = FocusNear,Far = FocusFar};
		enum Scan {Scan_Auto, Scan_Manual};
	public:
		// Extended Command Set
		BYTE * Preset(UINT deviceAddress, BYTE preset, PresetAction action);
		BYTE * Flip(UINT deviceAddress);
		BYTE * ZeroPanPosition(UINT deviceAddress);
		BYTE * SetAuxiliary(UINT deviceAddress,BYTE auxiliaryID, AuxAction action);
		BYTE * RemoteReset(UINT deviceAddress);
		BYTE * Zone(UINT deviceAddress,BYTE zone, Action action);
		BYTE * WriteToScreen(UINT deviceAddress, char * text);
		BYTE * ClearScreen(UINT deviceAddress);
		BYTE * AlarmAcknowledge(UINT deviceAddress, UINT alarmID);
		BYTE * ZoneScan(UINT deviceAddress,Action action);
		BYTE * Pattern(UINT deviceAddress,PatternAction action);
		BYTE * SetZoomLensSpeed(UINT deviceAddress, LensSpeed speed);
		BYTE * SetFocusLensSpeed(UINT deviceAddress, LensSpeed speed);
		// Base Command Set
		BYTE * CameraSwitch(UINT deviceAddress,Switch action);
		BYTE * CameraIrisSwitch(UINT deviceAddress,Iris action);
		BYTE * CameraFocus(UINT deviceAddress,Focus action);
		BYTE * CameraZoom(UINT deviceAddress,Zoom action);
		BYTE * CameraTilt(UINT deviceAddress,Tilt action, UINT speed);
		BYTE * CameraPan(UINT deviceAddress,Pan action, UINT speed);
		BYTE * CameraPanTilt(UINT deviceAddress,Pan panAction, UINT panSpeed, Tilt tiltAction, UINT tiltSpeed);
		BYTE * CameraStop(UINT deviceAddress);
		BYTE * CameraScan(UINT deviceAddress,Scan scan);
		BYTE * Noop(UINT deviceAddress);
	private:
		BYTE * Package(BYTE Address, BYTE Data1, BYTE Data2, BYTE Data3, BYTE Data4);
	private:
		PELCO_P_PROTOCOL Pelco_P;
		BYTE Message[16];
		BYTE MessageBuffer[512];
};
};

#endif