diff options
Diffstat (limited to 'api/Xceive_XC3028L.c')
| -rw-r--r-- | api/Xceive_XC3028L.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/api/Xceive_XC3028L.c b/api/Xceive_XC3028L.c new file mode 100644 index 0000000..aed688f --- /dev/null +++ b/api/Xceive_XC3028L.c @@ -0,0 +1,180 @@ +/* + * @(#)Xceive_XC3028L.cpp + * + * ========================================================== + * Version: 2.0 + * Date: 2008.07.02 + * ========================================================== + * + * ========================================================== + * History: + * + * Date Author Description + * ---------------------------------------------------------- + * + * 2008.07.02 Tom Lin added tuner version + * ========================================================== + * + * Copyright 2006 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 "xc3028_control.h" +#include "Xceive_XC3028L_Script.h" + + +static Demodulator* XC3028LHandle = NULL; +static Byte XC3028LChip = 0; + + +extern XC3028_TV_MODE XC3028_tv_mode_dtv6_afatech_qam_4_56mhz; +extern XC3028_TV_MODE XC3028_tv_mode_dtv7_afatech_4_56mhz; +extern XC3028_TV_MODE XC3028_tv_mode_dtv8_afatech_4_56mhz; +extern XC3028_CHANNEL_MAP XC3028_channel_map_digital_air; + + +int xc3028_send_i2c_data ( + unsigned char *bytes_to_send, + int nb_bytes_to_send +) { + Dword error = Error_NO_ERROR; + + error = Standard_writeTunerRegisters (XC3028LHandle, XC3028LChip, 0x0000, nb_bytes_to_send, bytes_to_send); + if (error) goto exit; + +exit: + return (error); +} + + +int xc3028_read_i2c_data ( + unsigned char *bytes_received, + int nb_bytes_to_receive +) { + Dword error = Error_NO_ERROR; + + error = Standard_readTunerRegisters (XC3028LHandle, XC3028LChip, 0x0000, nb_bytes_to_receive, bytes_received); + if (error) goto exit; + +exit: + return (error); +} + + +int xc3028_reset ( +) { + Dword error = Error_NO_ERROR; + + error = Standard_writeRegisterBits (XC3028LHandle, XC3028LChip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 0); + if (error) goto exit; + + error = Standard_writeRegisterBits (XC3028LHandle, XC3028LChip, Processor_LINK, p_reg_top_gpiot2_en, reg_top_gpiot2_en_pos, reg_top_gpiot2_en_len, 1); + if (error) goto exit; + + error = Standard_writeRegisterBits (XC3028LHandle, XC3028LChip, Processor_LINK, p_reg_top_gpiot2_on, reg_top_gpiot2_on_pos, reg_top_gpiot2_on_len, 1); + if (error) goto exit; + + User_delay (XC3028LHandle, 250); + + error = Standard_writeRegisterBits (XC3028LHandle, XC3028LChip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 1); + if (error) goto exit; + +exit: + return (error); +} + + +int xc3028_wait ( + int wait_ms +) { + User_delay (XC3028LHandle, (Dword)wait_ms); + return (Error_NO_ERROR); +} + + +Dword XC3028L_open ( + IN Demodulator* demodulator, + IN Byte chip +) { + return (Error_NO_ERROR); +} + + +Dword XC3028L_set ( + IN Demodulator* demodulator, + IN Byte chip, + IN Word bandwidth, + IN Dword frequency +) { + Dword error = Error_NO_ERROR; + + XC3028LHandle = demodulator; + XC3028LChip = chip; + + /** Set I2C master clock speed. */ + error = Standard_writeRegister (demodulator, 0, Processor_LINK, p_reg_one_cycle_counter_tuner, 85); + if (error) goto exit; + + if (bandwidth == 6000) + { + frequency -= 1750; + error = xc3028_initialize (&XC3028_tv_mode_dtv6_afatech_qam_4_56mhz, + (XC3028_CHANNEL_MAP*) &XC3028_channel_map_digital_air); + if (error) goto exit; + } + + if (bandwidth == 7000) + { + frequency -= 2250; + error = xc3028_initialize (&XC3028_tv_mode_dtv7_afatech_4_56mhz, + (XC3028_CHANNEL_MAP*) &XC3028_channel_map_digital_air); + if (error) goto exit; + } + + if (bandwidth == 8000) + { + frequency -= 2750; + error = xc3028_initialize (&XC3028_tv_mode_dtv8_afatech_4_56mhz, + (XC3028_CHANNEL_MAP*) &XC3028_channel_map_digital_air); + if (error) goto exit; + } + + frequency *= 1000; + error = xc3028_set_frequency (frequency); + if (error) goto exit; + + /** Set I2C master clock speed. */ + error = Standard_writeRegister (demodulator, 0, Processor_LINK, p_reg_one_cycle_counter_tuner, User_I2C_SPEED); + if (error) goto exit; + +exit: + return (error); +} + + +Dword XC3028L_close ( + IN Demodulator* demodulator, + IN Byte chip +) { + return (Error_NO_ERROR); +} + + +TunerDescription tuner_XC3028L = { + XC3028L_open, + XC3028L_close, + XC3028L_set, + XC3028L_scripts, + XC3028L_scriptSets, + XC3028L_ADDRESS, /** tuner i2c address */ + 0, /** length of tuner register address */ + 4560000, /** tuner if */ + True, /** spectrum inverse */ + 0x26, /** tuner id */ +}; |