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Diffstat (limited to 'api/Infineon_TUA6039.c')
| -rw-r--r-- | api/Infineon_TUA6039.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/api/Infineon_TUA6039.c b/api/Infineon_TUA6039.c new file mode 100644 index 0000000..e47ce3a --- /dev/null +++ b/api/Infineon_TUA6039.c @@ -0,0 +1,248 @@ +/** + * @(#)Infineon_TUA6039.cpp + * + * ========================================================== + * Version: 2.0 + * Date: 2008.07.02 + * ========================================================== + * + * ========================================================== + * History: + * + * Date Author Description + * ---------------------------------------------------------- + * + * 2008.07.02 Tom Lin added tuner version + * ========================================================== + * + * Copyright 2005 Afatech, Inc. All rights reserved. + * + */ + + +//#include <stdio.h> //for Linux +#include "type.h" +#include "error.h" +#include "user.h" +#include "register.h" +#include "standard.h" +#include "Infineon_TUA6039_Script.h" + + +//#define ENABLE_AGC_CTRL +//#define Step_Index 3;//166700UL +#define IF_FREQ 36167 + +//#define AGC_115DB 0x00 +#define AGC_115_MAXDB 0x10 +#define AGC_112_DEFDB 0x20 +#define AGC_109DB 0x30 +#define AGC_106DB 0x40 +#define AGC_103_MINDB 0x50 +#define AGC_EXT 0x60 +#define AGC_DIS_3_8V 0x70 + + +typedef enum Band{ + VHF_L, + VHF_H, + UHF +}; + + +typedef enum ChargePump{ + CP_50uA, + CP_125uA +}; + + +Dword SetStep_6039(Byte Step_Index, Byte *u8TunerData) +{ + Dword Step = 166670; + + switch(Step_Index) + { + /* CB: 1 , CP , T2 , T1 , T0 , RSA , RSB , OS */ + case 1: + Step = 50000; + u8TunerData[2] &= 0xc9; /* XX00X00X */ + break; + + case 2: + Step = 31250; + u8TunerData[2] &= 0xc9; + u8TunerData[2] |= 0x02; /* XX00X01X */ + break; + + case 3: + Step = 166670; + u8TunerData[2] &= 0xf9; + u8TunerData[2] |= 0x04; /* XXXXX10X */ + break; + + case 4: + Step = 62500; + u8TunerData[2] |=0x06; /* XXXXX11X */ + break; + + case 5: + Step = 125000; + u8TunerData[2] &= 0xf9; + u8TunerData[2] |= 0x30; /* XX11X00X */ + break; + + case 6: + Step = 142860; + u8TunerData[2] &=0xf9; + u8TunerData[2] |=0x32; /* XX11X01X */ + break; + + default: + Step = 166670; + u8TunerData[2] &= 0xf9; + u8TunerData[2] |= 0x04; /* XXXXX10X */ + break; + } + return Step; +} + + +void SetBand_6039(Byte Band_Index, Word bandwidth, Byte *u8TunerData) +{ + //u8TunerData[3] &= 0xe0; /* X,X,X, P4,P3,P2,P1,P0 */ + if(bandwidth == 8) + { + u8TunerData[3] = 0x00; /* X,X,X, P4=0,P3,P2,P1,P0 */ + } + else + { + u8TunerData[3] = 0x10; /* X,X,X, P4=1,P3,P2,P1,P0 */ + } + + switch(Band_Index) + { + /* BB: X X X X P4 P3 P2 P1 P0 */ + case VHF_L: + u8TunerData[3] |= 0x01; /* 0x01 */ + break; + + case VHF_H: + u8TunerData[3] |= 0x02; /* 0x02 */ + break; + + case UHF: + u8TunerData[3] |= 0x04; /* 0x04 */ + break; + + default: + //printf("Unknow band\n"); + break; + } + +} + + +void Set_ChargePump_6039(Byte CP_Index, Byte *u8TunerData) +{ + /* CB: 1 CP X X X X X X */ + switch(CP_Index){ + case CP_50uA: /* 50uA OR 125*/ + u8TunerData[2] = 0xB4; + break; + + case CP_125uA: /* 250 OR 650uA */ + u8TunerData[2] = 0xf4; // ??? + break; + + default: + break; + } +} + + +Dword TUA6039_open ( + IN Demodulator* demodulator, + IN Byte chip +) { + return (Error_NO_ERROR); +} + + +Dword TUA6039_close ( + IN Demodulator* demodulator, + IN Byte chip +) { + return (Error_NO_ERROR); +} + + +Dword TUA6039_set ( + IN Demodulator* demodulator, + IN Byte chip, + IN Word bandwidth, + IN Dword frequency +) { + Dword error = Error_NO_ERROR; + Byte buffer[10]; + Dword Step = 166700; + Byte AB = AGC_115_MAXDB; + + //SetFreq(177500); + //unsigned long Step = GetStep(); + + if(frequency < 177500L) + { + SetBand_6039(VHF_L, bandwidth, buffer); + Set_ChargePump_6039(CP_50uA, buffer); + } + + if(frequency >= 177500L && frequency <= 226500L) + { + SetBand_6039(VHF_H, bandwidth, buffer); + Set_ChargePump_6039(CP_50uA, buffer); + } + + if(frequency > 226500L) + { + SetBand_6039(UHF, bandwidth, buffer); + Set_ChargePump_6039(CP_125uA, buffer); // ??? + } + + Step = SetStep_6039(3, buffer); // "3" is for 166.670 KHz + + frequency += IF_FREQ; //add by martin 2006/03/06 + frequency *= 1000; + + buffer[0] = (char) ((frequency / Step) >>8) ; + buffer[1] = (char) ((frequency / Step) & 0xff); + + error = Standard_writeTunerRegisters(demodulator, chip, 0x0000, 4, buffer); + if (error) goto exit; + +#ifdef ENABLE_AGC_CTRL + buffer[2] |= 0x98; + buffer[2] &= 0xdf; /* byte AB will follow */ + buffer[3] = AB; + + error = Standard_writeTunerRegisters(demodulator, chip, 0x0000, 4, buffer); + if (error) goto exit; +#endif + + +exit: + return(error); +} + + +TunerDescription tuner_TUA6039 = { + TUA6039_open, + TUA6039_close, + TUA6039_set, + TUA6039_scripts, + TUA6039_scriptSets, + TUA6039_ADDRESS, /** tuner i2c address */ + 0, /** length of tuner register address */ + 36167000, /** tuner if */ + True, /** spectrum inverse */ + 0x29, /** tuner id */ +}; |