fm_dd.h

Philip tea 5767 FM 驱动用应用程序 char FM_Init(char bandinfo, char softlev)

#ifndef _FM_DD_H
#define _FM_DD_H

typedef struct freq_range{
	int low;
	int high;
}freq_range_t ;


enum{
		US_BAND = 0,    								
		JAPAN_BAND    								
};  


enum{
		STEREO_MODE = 0,    								
		MONO_MODE    								
};  




typedef struct fm_information{
	int bandinfo;	//0 us mode ;1 jpan mode
	int stereo_mode;	//0 stereo; 1 : single
	int signal_threshold; //
	int current_station_intensity;

}fm_info_t ;



int fm_init(int bandinfo);

int  fm_host_init(void);
int fm_host_exit(void);

void i2c_get_gpio();
void i2c_release_gpio();
//int fm_set_volume(unsigned int volume);
int is_freq_valid_station(int freq);
int fm_set_band_mode(int band_mode);
int fm_get_current_station_intensity(int *pIntensity);
int fm_set_intensity_threshold(int threshold);
int fm_get_stereo_mode(int *p );
int fm_start_playing(void);
int fm_stop_playing(void);



#endif