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