tuner.h

TFT LCD驱动芯片T100A+AU7" Source code

#if !defined(__TUNER_H__)
#define __TUNER_H__

#ifdef PAL
#define IF1_FERQ	0x5F28//1218MHz//0x5F50//1220MHz
#define IF2_FERQ1	0x02f8//38MHz//0x030A//38.9MHz
#define IF2_FERQ2	0x02f8//38MHz//0x030A//38.9MHz
#define FREQ_WIDE	0xaf//8.75MHz
#define FREQ_1MHZ	0x14//1MHz
#define FREQ_275M	0x1874//275M+38M
#define STEP_COEF	20

#define TV_TOTAL	sizeof(DK_CCIR)/sizeof(uWORD)
//#define TV_TOTAL	sizeof(CATV_CH_Tbl)/sizeof(uWORD)
#define TV_MIN		0
#define TV_MAX		TV_TOTAL-1
#endif
#ifdef NTSC
#define IF1_FERQ	0x4c20//1218.25MHz
//#define IF1_FERQ_B	0x4c1c//1217.75MHz
#define IF2_FERQ1	0x02DC//45.75MHz//0x026e//38.9MHz//
#define IF2_FERQ2	0x02DC//45.75MHz//0x0260//38MHz
#define FREQ_WIDE	0x6c//6.75MHz
#define FREQ_1MHZ	0x10//1MHz
#define FREQ_275M	0x140c//275M+45.75M//0x139e//275M+38.9M
#define STEP_COEF	16
#endif

void AutoMemory(void);
void AutoScan(void);
BOOL ChannelSel(uWORD *wTVFreq, uWORD wTVFreqMin);
uCHAR TVEEPGetChannel(void);
uWORD TVSetChannel(uCHAR);
void SetChannel(uCHAR);
void SetTuner(unsigned int DevNum);
void ResetTVChannel(void);

#define TVFREQ_BEGIN	0x0749	//55.25MHz
#define TVFREQ_END		0x4691	//865.25
#define STEP			50
//#define STEP_COEF		1000/STEP

//#define LG_701P
//#define JS_6B111
#define JS_8B111

#ifdef JS_6B111
//Step=50K; VL  {84.25  <-> 200.25}
//			VH  {196.25 <-> 496.25}
//			UHF {497.25 <-> 903.25} 
#define BAND_VL		0x01
#define BAND_VH		0x02
#define BAND_UHF	0x04
#define VL_FREQ_MAX		200.25	//100 times
#define VH_FREQ_MAX		496.25	//100 times	
#define VLMAX   (VL_FREQ_MAX*STEP_COEF)	//0x0FA5   
#define VHMAX   (VH_FREQ_MAX*STEP_COEF)   //0x26c5  
#endif

#ifdef JS_8B111
//Step=50K; VL  {84.25  <-> 200.25}
//			VH  {196.25 <-> 496.25}
//			UHF {497.25 <-> 903.25} 
#define BAND_VL		0x01
#define BAND_VH		0x02
#define BAND_UHF	0x08
#define VL_FREQ_MAX		176.25	//100 times
#define VH_FREQ_MAX		464.25	//100 times	
#define VLMAX   (VL_FREQ_MAX*STEP_COEF)	//0x0FA5   
#define VHMAX   (VH_FREQ_MAX*STEP_COEF)   //0x26c5  
#endif

#ifdef LG_701P
#define BAND_VL		0x01
#define BAND_VH		0x02
#define BAND_UHF	0x08
#endif

#endif //TUNER_H