30 lines
815 B
C
30 lines
815 B
C
#ifndef DECODE_H_
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#define DECODE_H_
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#include <stdint.h>
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/*!
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* Combines the nibbles located at the 4-least-significant bits of
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* parameters 'low' and 'high' into one byte.
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*
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* @param high: A nibble that contains the 4 most-significant bits
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* @param low: A nibble that contains the 4 most-significant bits
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*
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* @return: A byte that combines the high and low nibble.
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*/
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uint8_t decode_combine_nibbles(uint8_t high, uint8_t low);
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/*!
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* Decodes a nibble from a byte that contains the nible (4-bits) and
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* corresponding parity bits (3-bits). See assignment for more details.
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*
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* @param in: A bytes that contains a nibble and parity bits.
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* @param nibble: The address to which the decoded nibble
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* of 'in' will be written.
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*
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*/
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void decode_byte(uint8_t in, uint8_t* nibble);
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#endif
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