59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/*
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* cw_decoder.h
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*
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* Created on: 07.09.2017
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* Author: danilo
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*/
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#ifndef AUDIO_CW_CW_DECODER_H_
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#define AUDIO_CW_CW_DECODER_H_
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#define CW_DECODER_BLOCKSIZE_MIN 8
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#define CW_DECODER_BLOCKSIZE_MAX 128
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#define CW_DECODER_BLOCKSIZE_DEFAULT 88
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#define CW_DECODER_THRESH_MIN 1000
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#define CW_DECODER_THRESH_MAX 50000
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#define CW_DECODER_THRESH_DEFAULT 32000
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#define CW_DECODER_FLAGS_DEFAULT (0b110001) // NOISECANCEL_ENABLE, SNAP_ENABLE, SHOW_CW_LED
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typedef struct
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{
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float32_t sampling_freq;
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float32_t target_freq;
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// float32_t speed;
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uint8_t speed;
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// uint8_t average;
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uint32_t thresh;
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uint8_t blocksize;
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// uint8_t AGC_enable;
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union
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{
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struct
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{
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uint16_t noisecancel_enable:1;
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uint16_t spikecancel:2;
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#define CW_SPIKECANCEL_MODE_OFF 0
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#define CW_SPIKECANCEL_MODE_SPIKE 1
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#define CW_SPIKECANCEL_MODE_SHORT 2
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uint16_t use_3_goertzels:1;
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uint16_t snap_enable:1;
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uint16_t show_CW_LED:1; // menu choice whether the user wants the CW LED indicator to be working or not
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};
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uint16_t flags;
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};
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} cw_config_t;
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extern cw_config_t cw_decoder_config;
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void CwDecode_RxProcessor(float32_t * const src, int16_t blockSize);
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void CwDecode_Filter_Set(void);
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//void CW_Decoder_WPM_display_erase(void);
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void CwDecoder_WpmDisplayUpdate(bool force_update);
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void CwDecoder_WpmDisplayClearOrPrepare(bool prepare);
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#endif /* AUDIO_CW_CW_DECODER_H_ */
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