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/*
* diseqc.h: DiSEqC handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: diseqc.h 2.2 2011/05/22 10:35:38 kls Exp $
*/
#ifndef __DISEQC_H
#define __DISEQC_H
#include "config.h"
class cDiseqc : public cListObject {
public:
enum eDiseqcActions {
daNone,
daToneOff,
daToneOn,
daVoltage13,
daVoltage18,
daMiniA,
daMiniB,
daCodes,
};
enum { MaxDiseqcCodes = 6 };
private:
int devices;
int source;
int slof;
char polarization;
int lof;
char *commands;
bool parsing;
mutable uchar codes[MaxDiseqcCodes];
mutable int numCodes;
const char *Wait(const char *s) const;
const char *Codes(const char *s) const;
public:
cDiseqc(void);
~cDiseqc();
bool Parse(const char *s);
eDiseqcActions Execute(const char **CurrentAction) const;
// Parses the DiSEqC commands and returns the appropriate action code
// with every call. CurrentAction must be the address of a character pointer,
// which is initialized to NULL. This pointer is used internally while parsing
// the commands and shall not be modified once Execute() has been called with
// it. Call Execute() repeatedly (always providing the same CurrentAction pointer)
// until it returns daNone. After a successful execution of all commands
// *CurrentAction points to the value 0x00.
int Devices(void) const { return devices; }
int Source(void) const { return source; }
int Slof(void) const { return slof; }
char Polarization(void) const { return polarization; }
int Lof(void) const { return lof; }
const char *Commands(void) const { return commands; }
const uchar *Codes(int &NumCodes) const { NumCodes = numCodes; return numCodes ? codes : NULL; }
};
class cDiseqcs : public cConfig<cDiseqc> {
public:
const cDiseqc *Get(int Device, int Source, int Frequency, char Polarization) const;
};
extern cDiseqcs Diseqcs;
#endif //__DISEQC_H
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