mirror of
https://github.com/ttrftech/NanoVNA.git
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57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
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extern void I2CWrite(int addr, uint8_t d0, uint8_t d1);
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typedef struct {
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int target_level;
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int gain_hysteresis;
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int attack;
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int attack_scale;
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int decay;
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int decay_scale;
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} tlv320aic3204_agc_config_t;
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extern void tlv320aic3204_init(void);
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extern void tlv320aic3204_set_gain(int lgain, int rgain);
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extern void tlv320aic3204_set_digital_gain(int gain);
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extern void tlv320aic3204_set_volume(int gain);
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extern void tlv320aic3204_agc_config(tlv320aic3204_agc_config_t *conf);
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extern void tlv320aic3204_select_in1(void);
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extern void tlv320aic3204_select_in3(void);
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extern void ui_init(void);
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extern void ui_process(void);
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// 5ms @ 48kHz
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#define AUDIO_BUFFER_LEN 96
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extern int16_t rx_buffer[];
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extern int16_t tx_buffer[];
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#define STATE_LEN 32
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#define SAMPLE_LEN 48
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extern int16_t ref_state[];
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extern int16_t ref_buf[];
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extern int16_t samp_buf[];
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//extern int16_t refq_buf[];
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extern int16_t refiq_buf[];
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extern float measured[4];
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void dsp_process(int16_t *src, size_t len);
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void calclate_gamma(float *gamma);
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int si5351_set_frequency_with_offset(int freq, int offset, uint8_t drive_strength);
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void ili9341_init(void);
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void ili9341_test(int mode);
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void set_sweep(int32_t start, int stop);
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void sweep_plot(int32_t freq, int first);
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void sweep_tail(void);
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extern const uint16_t x5x7_bits [];
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extern const uint32_t numfont20x24[][24];
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