#define uchar unsigned char

#define ulong unsigned long

#define uint unsigned int



#define KTAMw_address 0x6A

#define KTAMr_address 0x6B



#define AMOLDSEEK

//#define FMOLDSEEK



//#define AMNEWSEEK

//#define FMNEWSEEK



//#define AM_SEEK_MODE2

//#define FM_SEEK_MODE2



//#define AM_SEEK_MODE3

#define FM_SEEK_MODE3





#define LOWFM_MODE

#define FMSMUTE		//to enable FM softmute

//#define AMSMUTE	//to enable AM softmute

#define GOODCHANNEL

//#define AUDIO_LEVEL_BOOST

//#define FM_HIGHLEVER_RF_SIGAL_INPUT



#define KT0923



#define X32P768K		//32.768KHz crystal

//#define R32P768K	//32.768KHz reference clock

//#define X38K		//38KHz crystal

//#define R38K		//38KHz reference clock

//#define R7P6M		//7.6MHz reference clock

//#define R12M		//12MHz reference clock

//#define R13M		//13MHz reference clock

//#define R24M		//24MHz reference clock

//#define R26M		//26MHz reference clock





#define FM_100KHz_STEP		10

#define FM_1MHz_STEP		100

#define AM_1KHz_STEP		1

#define AM_2KHz_STEP		2

#define AM_9KHz_STEP		9

#define AM_100KHz_STEP		100



#define FM_SEEK_UP_LIMIT	10800

#define FM_SEEK_DOWN_LIMIT	8600

#define FM_BAND_TOP		10900



#ifdef LOWFM_MODE

#define FM_BAND_BOTTOM		3200

#else

#define FM_BAND_BOTTOM		6400

#endif



#define MW_SEEK_UP_LIMIT	1710

#define MW_SEEK_DOWN_LIMIT	504

#define MW_BAND_TOP		1710

#define MW_BAND_BOTTOM		504





#define FM_AFCTH_PREV		20	//Range from 0 to 127

#define FM_AFCTH		10		//Range from 0 to 127

#define FM_AFCTH_NEXT		20	//Range from 0 to 127

#define FM_SNR_TH		0x10

#define FM_RSSI_TH		-100





#define MW_AFCTH_PREV		6	//Range from 128 to 127

#define MW_AFCTH		4	//Range from 128 to 127

#define MW_AFCTH_NEXT		6	//Range from 128 to 127

#define AM_SNR_TH		0x28

#define AM_RSSI_TH		-90





#define BAND_NUM		2



enum Band_Mode	{FM_MODE,MW_MODE};



struct Str_Band

{

	enum Band_Mode	Band; // band

	uint			Band_Top; 	//tune, threshold of top

	uint			Band_Bottom; 	//tune, threshold of top	

	uint			Seek_Up_Limit;	//seek, threshold of up_limit 

	uint			Seek_Down_Limit; 	//seek, threshold of down limit

	uchar			Min_Step;	//

	uchar			Max_Step;	//

	uchar			Seek_Step;	// SeekFromCurrentCh 

	uchar			ValidStation_Step; 	// ValidStation 

	uchar			AFCTH_Prev; 	//

	uchar			AFCTH;		 //

	uchar			AFCTH_Next; 	// 

};

  



#define INIT_FAIL_TH 3



#define SEEKUP 1

#define SEEKDOWN 0



uchar KT_AMFM_PreInit(void);

uchar KT_AMFM_Init(void);

uchar KT_AMFM_Standby(void);

uchar KT_AMFM_WakeUp(void);

uchar KT_AMFM_VolumeSet(uchar cVol);

uchar KT_AMFM_Mute(void);

uchar KT_AMFM_UnMute(void);

uchar KT_AMFM_SetMode(uchar cAMFM_Mode);

uchar KT_AMFM_SetLineIn(uchar cLineNum);



uchar KT_FM_Tune(uint iFrequency);

uchar KT_AM_Tune(uint iFrequency);



uint KT_FM_GetFreq(void);

uint KT_AM_GetFreq(void);



uchar KT_FM_ReadRSSI(char *RSSI);

uchar KT_AM_ReadRSSI(char *RSSI);



char KT_FM_GetAFC(void);

char KT_AM_GetAFC(void);



uchar KT_FM_GetSNR(void);

uchar KT_AM_GetSNR(void);



uchar KT_AMFM_SeekFromCurrentCh(bit bSeekDir, uint *Frequency);   //     seekDir: 0-->seek down 1-->seek up

uchar KT_FM_ValidStation(uint iFrequency);

uchar KT_AM_ValidStation(uint iFrequency);



void KT_FM_ST_Indicator_Initial(void);

uchar KT_FM_GetST(void);



uchar KT_AMFM_SetBW(uchar cFlt_Sel);



bit KT_AMFM_SetBass(uchar cBass);

bit KT_AMFM_Tuning_Indicator(void);

void KT_AMFM_Softmute_Initial(void);



void KT_FM_Tuning_Indicator_Initial(void);

void KT_AM_Tuning_Indicator_Initial(void);



#ifdef GOODCHANNEL

void KT_FM_Good_Channel(void);

void KT_AM_Good_Channel(void);

#endif



void KT_Bus_Write(uchar Register_Address, uint Word_Data);

uint KT_Bus_Read(uchar Register_Address);



#define CHFLT_NOTCH 1	//0: 14kHz corner frequency, 1: 800Hz corner frequency

#define BP_180K 0		//0:enable 180kHz notch filter 1: bypass 180kHz notch filter

#define EN_150K	0	//0:bypass 150kHz notch filter 1: enable 150KHz notch filter

#define BP_190K 0		//0:enable 190kHz notch filter 1: bypass 190kHz notch filter



#define AU_GAIN 2		//0:3dB, 1:6dB, 2:-3dB, 3:0dB

#define IFPGA 2		//0:0dB, 1:6dB, 2:9dB, 3:12dB

#define AMAFCD 0		//0: enable AM AFC loop, 1: disable AM AFC loop

#define FMAFCD 0		//0: enable FM AFC loop, 1: disable FM AFC loop

#define FM_AFCRF 1	//1:AFC feedback to RF, 0:AFC feedback to DSP

#define DBLND 0		//0: blend enable, 1:blend disable

#define QUICK_BLEND 1	//0: slow blend, 1: quick blend



//Interference Frequency//

#define FMBADFREQ0 1806 		//90.3MHz

#define FMDELTAN0 6

#define FMBADFREQ1 1934		//96.7MHz

#define FMDELTAN1 1

#define FMBADFREQ2 1970		//98.5MHz

#define FMDELTAN2 1

#define FMBADFREQ3 1984		//99.2MHz

#define FMDELTAN3 1

#define FMBADFREQ4 2044		//102.2MHz

#define FMDELTAN4 5

#define FMBADFREQ5 2046 		//102.3MHz

#define FMDELTAN5 6

#define FMBADFREQ6 2048 		//102.4MHz

#define FMDELTAN6 7

#define FMBADFREQ7 2104 		//105.2MHz

#define FMDELTAN7 7

#define FMDELTAN 0

/*

#define FMBADFREQ0 1806  		//90.3MHz

#define FMDELTAN0 6

#define FMBADFREQ1 1778  		//88.9MHz

#define FMDELTAN1 7

//#define FMBADFREQ1 1888  	//94.4MHz

//#define FMDELTAN1 7

#define FMBADFREQ2 1970		//98.5MHz

#define FMDELTAN2 5

#define FMBADFREQ3 2052		//102.6MHz

#define FMDELTAN3 3

#define FMBADFREQ4 2134		//106.7MHz

#define FMDELTAN4 6

#define FMBADFREQ5 1724 		//86.2MHz

#define FMDELTAN5 3

//#define FMBADFREQ5 1724 		//86.2MHz

//#define FMDELTAN5 3

#define FMBADFREQ6 1934		//96.7

#define FMDELTAN6 5

#define FMBADFREQ7 2046		//102.3

#define FMDELTAN7 2

#define FMDELTAN 0

*/

#define AMBADFREQ0 1368  		//1.368MHz

#define AMDELTAN0 3

#define AMBADFREQ1 684  		//684kHz

#define AMDELTAN1 0

#define AMBADFREQ2 909		//909kHz

#define AMDELTAN2 3

#define AMBADFREQ3 0		//

#define AMDELTAN3 0

#define AMBADFREQ4 0		//

#define AMDELTAN4 0

#define AMBADFREQ5 0

#define AMDELTAN5 0

#define AMBADFREQ6 0

#define AMDELTAN6 0

#define AMBADFREQ7 0

#define AMDELTAN7 0

//Interference Frequency end//



//ST Indicator Configuration//



#define FM_ST_DLY 2 //0:50ms, 1:100ms, 2:150ms, 3:200ms

#define FMST_SEN_HIGHTH 3 	//0:-102, 1:-99,  2:-96, 3:-93

#define FMST_SEN_LOWTH 3 	//0:-105, 1:-102, 2:-99, 3:-96

#define FMST_IND_HIGHTH 3 	//0:5, 1:6, 2:7, 3:8

#define FMST_IND_LOWTH 0 	//0:1, 1:2, 2:3, 3:4



//ST Indicator Configuration end//



//FM Tuning Indicator Configuration//



#define TUNE_VALID_WIN 0   	//0:50ms, 1:75ms, 2:100ms,3:125ms, 4 :150ms, 5:200ms, 6:300ms, 7:400ms

#define TUNE_VALID_DLY 1		//0:25ms 1:50ms 2:75ms 3:100ms 4 :125ms 5:150ms 6:200ms 7:300ms

#define FM_TUNE_SNR_HIGHTH 0	//0:18, 1:21, 2:24, 3:27, 4:30, 5:33, 6:36, 7:39

#define FM_TUNE_SNR_LOWTH 0	//0:15, 1:18, 2:21, 3:24, 4:27, 5:30, 6:33, 7:36

#define FM_TUNE_AFC_HIGHTH 7	//0:6, 1:9, 2:12, 3:15, 4:18, 5:21, 6:24, 7:27

#define FM_TUNE_AFC_LOWTH 2	//0:3, 1:6, 2:9, 3:12, 4:15, 5:18, 6:21, 7:24

#define FM_TUNE_RSSI_HIGHTH 0	//0:-103dBm 1:-100dBm 2:-97dBm 3:-94dBm 4:-91dBm 5:-88dBm 6:-85dBm 7:-82dBm

#define FM_TUNE_RSSI_LOWTH 0	//0:-106dBm 1:-103dBm 2:-100dBm 3:-97dBm 4:-94dBm 5:-91dBm 6:-88dBm 7:-85dBm



//FM Tuning Indicator Configuration end//



//AM Tuning Indicator//



#define AM_TUNE_SNR_HIGHTH 0x18	//Range from 0 to 127

#define AM_TUNE_SNR_LOWTH 0x8	//Range from 0 to 127

#define AM_TUNE_AFC_HIGHTH 2	//0:4, 1:14, 2:24, 3:34, 4:44, 5:54, 6:64, 7:74

#define AM_TUNE_AFC_LOWTH 7	//0:0, 1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7

#define AM_TUNE_RSSI_HIGHTH 20	//Range from 90 to 127

#define AM_TUNE_RSSI_LOWTH 20	//Range from 90 to 127

//AM Tuning Indicator end//



//Softmute//



#define MUTE_TYPE 2		//0:don't mute, 1: mute within 15ms, 2:mute during tune FSM

#define TUNE_DLY 0		//0:0, 1:25ms, 2:50ms, 3:75ms

#define SMUTE_RST_DIS 0		//

#define SMUTE_GAIN 7		//

#define SMUTE_WIN 0		//0:25ms, 1:50ms, 2:75ms, 3:100ms

#define SMUTER 3			//0:longest time, 1:long time, 2:short time, 3:shortest time

#define SMMD 1			//1:SNR mode, 0:RSSI mode

#define VOLUMET 7		//0:0, 1:0.002, 2:0.004, 3:0.01, 4:0.025, 5:0.063, 6:0.15, 7:0.4

#define FM_SFTMUTE_OFST 7//0:6, 1:8, 2:10, 3:12, 4:14, 5:16, 6:18, 7:20

#define FM_SFTMUTE_HIGHTH 0//RSSI MODE: 0:-103, 1:-100, 2:-97, 3:-94, 4:-91, 5:-88, 6:-85, 7:-82

				//SNR MODE:0:18, 2:21, 3:24, 4:27, 5:30, 6:33, 7:36

#define FM_SFTMUTE_LOWTH 0	//RSSI MODE: 0:-106, 1:-103, 2:-100, 3:-97, 4:-94, 5:-91, 6:-88, 7:-85

				//SNR MODE:0:15, 2:18, 3:21, 4:24, 5:27, 6:30, 7:33

#define AM_SFTMUTE_OFST 7	//0:6, 1:8, 2:10, 3:12, 4:14, 5:16, 6:18, 7:20

#define AM_SFTMUTE_HIGHTH 0x18	//between 0~127

#define AM_SFTMUTE_LOWTH 0x8	//between 0~127



//Softmute end//



#define AMIFPGA 5			//0:11.8dB, 1:10.6dB, 2:9.3dB, 3:7.7dB, 4:5.9dB, 5:3.5dB, 6:-5.1dB, 7:NA