jfriedt / lora_sync

Blame view

220222_final/GW/rtl-sdr/include/tuner_fc2580.h 2.91 KB
edit raw normal view history
35833671e   Jean-Michel Friedt   version finale st... 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
  #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