diff options
Diffstat (limited to 'api/FCI_FC2580.c')
| -rw-r--r-- | api/FCI_FC2580.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/api/FCI_FC2580.c b/api/FCI_FC2580.c new file mode 100644 index 0000000..0d03e3c --- /dev/null +++ b/api/FCI_FC2580.c @@ -0,0 +1,119 @@ +/** + * @(#)FCI_FC2580.h + * + * ========================================================== + * Version: 2.4 + * Date: 2009.01.06 + * ========================================================== + * + * ========================================================== + * History: + * + * Date Author Description + * ---------------------------------------------------------- + * + * 2008.07.02 Tom Lin added tuner version + * 2008.10.27 Tom Lin 1. update tuner code + * 2. modify AGC control to internal + * 2008.12.02 Tom Lin update tuner code to 1.4 + * 2009.01.06 Tom Lin modify tuner registers 0x6b & 0x6c + * to be 0x0f & 0x11 for better per- + * formance + * 2009.03.23 Yinding turn on gpiot2 before tuner is opened + * ========================================================== + * + * Copyright 2008 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 "fc2580.h" +#include "FCI_FC2580_Script.h" + + +Demodulator* FCI_FC2580_demodulator; +Byte FCI_FC2580_chip; + + +Dword FC2580_open ( + IN Demodulator* demodulator, + IN Byte chip +) { + Dword error = Error_NO_ERROR; + + FCI_FC2580_demodulator = demodulator; + FCI_FC2580_chip = chip; + + error = Standard_writeRegister (demodulator, chip, Processor_LINK, p_reg_top_gpiot2_on, 1); + if (error) goto exit; + error = Standard_writeRegister (demodulator, chip, Processor_LINK, p_reg_top_gpiot2_en, 1); + if (error) goto exit; + error = Standard_writeRegister (demodulator, chip, Processor_LINK, p_reg_top_gpiot2_o, 1); + if (error) goto exit; + + fc2580_set_init (1); + +exit : + return (error); +} + + +Dword FC2580_close ( + IN Demodulator* demodulator, + IN Byte chip +) { + return (Error_NO_ERROR); +} + + +Dword FC2580_set ( + IN Demodulator* demodulator, + IN Byte chip, + IN Word bandwidth, + IN Dword frequency +) { + Dword error = Error_NO_ERROR; + Byte bw; + + FCI_FC2580_demodulator = demodulator; + FCI_FC2580_chip = chip; + + if (bandwidth < 5000) { + bw = 1; + } else if (bandwidth < 6000) { + bw = 5; + } else if (bandwidth < 7000) { + bw = 6; + } else if (bandwidth < 8000) { + bw = 7; + } else if (bandwidth < 9000) { + bw = 8; + } else { + bw = 9; + } + + fc2580_set_filter (bw); + fc2580_set_freq (frequency); + + return (error); +} + + +TunerDescription tuner_FC2580 = { + FC2580_open, /** Function to open tuner. */ + FC2580_close, /** Function to close tuner. */ + FC2580_set, /** Function set frequency. */ + FC2580_scripts, /** Scripts. */ + FC2580_scriptSets, /** Length of scripts. */ + FC2580_ADDRESS, /** The I2C address of tuner. */ + 1, /** Valid length of tuner register. */ + 0, /** IF frequency of tuner. */ + True, /** Spectrum inversion. */ + 0x32, /** tuner id */ +}; |