bit_operations.h File Reference
Go to the source code of this file.
Functions |
uint16_t | bit_reverse16 (uint16_t data) |
| Bit reverse a 16 bit word.
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uint32_t | bit_reverse32 (uint32_t data) |
| Bit reverse a 32 bit word.
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uint32_t | bit_reverse_4bytes (uint32_t data) |
| Bit reverse each of the four bytes in a 32 bit word.
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void | bit_reverse (uint8_t to[], const uint8_t from[], int len) |
| Bit reverse each bytes in a buffer.
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int | one_bits32 (uint32_t x) |
| Find the number of set bits in a 32 bit word.
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uint32_t | make_mask32 (uint32_t x) |
| Create a mask as wide as the number in a 32 bit word.
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uint16_t | make_mask16 (uint16_t x) |
| Create a mask as wide as the number in a 16 bit word.
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Detailed Description
Function Documentation
void bit_reverse |
( |
uint8_t |
to[], |
|
|
const uint8_t |
from[], |
|
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int |
len | |
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) |
| | |
Bit reverse each bytes in a buffer.
- Parameters:
-
| to | The buffer to place the reversed data in. |
| from | The buffer containing the data to be reversed. |
| len | The length of the data in the buffer. |
uint16_t bit_reverse16 |
( |
uint16_t |
data |
) |
|
Bit reverse a 16 bit word.
- Parameters:
-
| data | The word to be reversed. |
- Returns:
- The bit reversed version of data.
uint32_t bit_reverse32 |
( |
uint32_t |
data |
) |
|
Bit reverse a 32 bit word.
- Parameters:
-
| data | The word to be reversed. |
- Returns:
- The bit reversed version of data.
uint32_t bit_reverse_4bytes |
( |
uint32_t |
data |
) |
|
Bit reverse each of the four bytes in a 32 bit word.
- Parameters:
-
| data | The word to be reversed. |
- Returns:
- The bit reversed version of data.
uint16_t make_mask16 |
( |
uint16_t |
x |
) |
|
Create a mask as wide as the number in a 16 bit word.
- Parameters:
-
| x | The word to be searched. |
- Returns:
- The mask.
uint32_t make_mask32 |
( |
uint32_t |
x |
) |
|
Create a mask as wide as the number in a 32 bit word.
- Parameters:
-
| x | The word to be searched. |
- Returns:
- The mask.
int one_bits32 |
( |
uint32_t |
x |
) |
|
Find the number of set bits in a 32 bit word.
- Parameters:
-
| x | The word to be searched. |
- Returns:
- The number of set bits.