Software to turn the RTL2832U into a SDR receiver
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rtl-sdr/include/tuner_fc2580.h

127 lines
2.9 KiB

#ifndef __TUNER_FC2580_H
#define __TUNER_FC2580_H
#define BORDER_FREQ 2600000 //2.6GHz : The border frequency which determines whether Low VCO or High VCO is used
#define USE_EXT_CLK 0 //0 : Use internal XTAL Oscillator / 1 : Use External Clock input
#define OFS_RSSI 57
#define FC2580_I2C_ADDR 0xac
#define FC2580_CHECK_ADDR 0x01
#define FC2580_CHECK_VAL 0x56
typedef enum {
FC2580_UHF_BAND,
FC2580_L_BAND,
FC2580_VHF_BAND,
FC2580_NO_BAND
} fc2580_band_type;
typedef enum {
FC2580_FCI_FAIL,
FC2580_FCI_SUCCESS
} fc2580_fci_result_type;
enum FUNCTION_STATUS
{
FUNCTION_SUCCESS,
FUNCTION_ERROR,
};
extern void fc2580_wait_msec(void *pTuner, int a);
fc2580_fci_result_type fc2580_i2c_write(void *pTuner, unsigned char reg, unsigned char val);
fc2580_fci_result_type fc2580_i2c_read(void *pTuner, unsigned char reg, unsigned char *read_data);
/*==============================================================================
fc2580 initial setting
This function is a generic function which gets called to initialize
fc2580 in DVB-H mode or L-Band TDMB mode
<input parameter>
ifagc_mode
type : integer
1 : Internal AGC
2 : Voltage Control Mode
==============================================================================*/
fc2580_fci_result_type fc2580_set_init(void *pTuner, int ifagc_mode, unsigned int freq_xtal );
/*==============================================================================
fc2580 frequency setting
This function is a generic function which gets called to change LO Frequency
of fc2580 in DVB-H mode or L-Band TDMB mode
<input parameter>
f_lo
Value of target LO Frequency in 'kHz' unit
ex) 2.6GHz = 2600000
==============================================================================*/
fc2580_fci_result_type fc2580_set_freq(void *pTuner, unsigned int f_lo, unsigned int freq_xtal );
/*==============================================================================
fc2580 filter BW setting
This function is a generic function which gets called to change Bandwidth
frequency of fc2580's channel selection filter
<input parameter>
filter_bw
1 : 1.53MHz(TDMB)
6 : 6MHz
7 : 7MHz
8 : 7.8MHz
==============================================================================*/
fc2580_fci_result_type fc2580_set_filter( void *pTuner, unsigned char filter_bw, unsigned int freq_xtal );
// The following context is FC2580 tuner API source code
// Definitions
// AGC mode
enum FC2580_AGC_MODE
{
FC2580_AGC_INTERNAL = 1,
FC2580_AGC_EXTERNAL = 2,
};
// Bandwidth mode
enum FC2580_BANDWIDTH_MODE
{
FC2580_BANDWIDTH_1530000HZ = 1,
FC2580_BANDWIDTH_6000000HZ = 6,
FC2580_BANDWIDTH_7000000HZ = 7,
FC2580_BANDWIDTH_8000000HZ = 8,
};
// Manipulaing functions
int
fc2580_Initialize(
void *pTuner
);
int
fc2580_SetRfFreqHz(
void *pTuner,
unsigned long RfFreqHz
);
// Extra manipulaing functions
int
fc2580_SetBandwidthMode(
void *pTuner,
int BandwidthMode
);
#endif