mirror of
https://github.com/merbanan/rtl_433.git
synced 2026-04-18 00:26:56 -04:00
e5e0e19989
Made a prototype for a PWM pulse demodulator. Broke out bit_packet functions into own file to avoid circular references and for clean up. Compiles cleanly, but untested.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/**
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* Bit buffer
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*
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* A two-dimensional bit buffer consisting of bytes
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*
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* Copyright (C) 2015 Tommy Vestermark
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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_BITBUFFER_H_
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#define INCLUDE_BITBUFFER_H_
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#include <stdint.h>
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#define BITBUF_COLS 34 // Number of bytes in a column
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#define BITBUF_ROWS 50
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/// Bit buffer
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typedef struct {
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int row_index; // Number of active rows - 1
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int bit_col_index; // Bit index into byte (0 is MSB, 7 is LSB)
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int16_t bits_per_row[BITBUF_ROWS];
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uint8_t bits_buffer[BITBUF_ROWS][BITBUF_COLS];
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} bitbuffer_t;
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/// Clear the content of the bitbuffer
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void bitbuffer_clear(bitbuffer_t *bits);
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/// Add a single bit at the end of the bitbuffer (MSB first)
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void bitbuffer_add_bit(bitbuffer_t *bits, int bit);
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/// Add a new row to the bitbuffer
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void bitbuffer_add_row(bitbuffer_t *bits);
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/// Invert all bits in the bitbuffer (do not invert the empty bits)
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//void bitbuffer_invert(bitbuffer_t *bits);
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/// Print the content of the bitbuffer
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void bitbuffer_print(const bitbuffer_t *bits);
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#endif /* INCLUDE_BITBUFFER_H_ */
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