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/* From linuxtv.org's szap utility, just cleaned up a bit and made more dvbstreamer like. */
#ifndef _LNB_H
#define _LNB_H
#include "types.h"
/**
* Structure describing an LNB type.
*/
typedef struct LNBInfo_s {
char *name; /**< Name of the LNB type.*/
char **desc; /**< Description of this LNB.*/
unsigned long lowFrequency; /**< Low band LO frequency. */
unsigned long highFrequency; /**< zero indicates no hiband */
unsigned long switchFrequency; /**< zero indicates no hiband */
}LNBInfo_t;
/**
* Enumerate through standard types of LNB's until NULL returned.
* Increment curno each time.
*/
LNBInfo_t *LNBEnumerate(int curno);
/**
* Decode an lnb type, for example given on a command line
* If alpha and standard type, e.g. "Universal" then match that
* otherwise low[,high[,switch]]
*/
int LNBDecode(char *str, LNBInfo_t *lnb);
/**
* Convert a transponder frequency to the intermediate frequency to use with the
* specified LNB.
* @param info The LNB to use to convert the transponder frequency.
* @param freq The transponder frequency to convert.
* @param tone Pointer to a bool to store whether the 22Khz tone should be enabled for this
* transponder.
* @return The intermediate frequency to tune to.
*/
unsigned long LNBTransponderToIntermediateFreq(LNBInfo_t *info, unsigned long freq, bool *tone);
#endif
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