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43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/** @file
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IQ sample grabber (ring buffer and dumper).
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Copyright (C) 2018 Christian Zuckschwerdt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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*/
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#ifndef INCLUDE_SAMP_GRAB_H_
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#define INCLUDE_SAMP_GRAB_H_
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#include <stdint.h>
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typedef struct samp_grab {
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int sg_fileformat; ///< Signal grabber format: 0=raw, 1=SigMF
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uint32_t *frequency;
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uint32_t *samp_rate;
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int *sample_size;
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unsigned sg_counter;
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char *sg_buf;
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unsigned sg_size;
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unsigned sg_index;
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unsigned sg_len;
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} samp_grab_t;
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samp_grab_t *samp_grab_create(unsigned size, int sg_fileformat);
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void samp_grab_free(samp_grab_t *g);
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void samp_grab_push(samp_grab_t *g, unsigned char *iq_buf, uint32_t len);
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void samp_grab_reset(samp_grab_t *g);
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/// grab_end is counted in samples from end of buf.
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void samp_grab_write(samp_grab_t *g, unsigned grab_len, unsigned grab_end);
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#endif /* INCLUDE_SAMP_GRAB_H_ */
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