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- #ifndef NRF_BITMASK_H
- #define NRF_BITMASK_H
- #include "compiler_abstraction.h"
- #include <stdint.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define BITMASK_BYTE_GET(abs_bit) ((abs_bit)/8)
- #define BITMASK_RELBIT_GET(abs_bit) ((abs_bit) & 0x00000007)
- __STATIC_INLINE uint32_t nrf_bitmask_bit_is_set(uint32_t bit, void const * p_mask)
- {
- uint8_t const * p_mask8 = (uint8_t const *)p_mask;
- uint32_t byte_idx = BITMASK_BYTE_GET(bit);
- bit = BITMASK_RELBIT_GET(bit);
- return (1 << bit) & p_mask8[byte_idx];
- }
- __STATIC_INLINE void nrf_bitmask_bit_set(uint32_t bit, void * p_mask)
- {
- uint8_t * p_mask8 = (uint8_t *)p_mask;
- uint32_t byte_idx = BITMASK_BYTE_GET(bit);
- bit = BITMASK_RELBIT_GET(bit);
- p_mask8[byte_idx] |= (1 << bit);
- }
- __STATIC_INLINE void nrf_bitmask_bit_clear(uint32_t bit, void * p_mask)
- {
- uint8_t * p_mask8 = (uint8_t *)p_mask;
- uint32_t byte_idx = BITMASK_BYTE_GET(bit);
- bit = BITMASK_RELBIT_GET(bit);
- p_mask8[byte_idx] &= ~(1 << bit);
- }
- __STATIC_INLINE void nrf_bitmask_masks_or(void const * p_mask1,
- void const * p_mask2,
- void * p_out_mask,
- uint32_t length)
- {
- uint8_t const * p_mask8_1 = (uint8_t const *)p_mask1;
- uint8_t const * p_mask8_2 = (uint8_t const *)p_mask2;
- uint8_t * p_mask8_out = (uint8_t *)p_out_mask;
- uint32_t i;
- for (i = 0; i < length; i++)
- {
- p_mask8_out[i] = p_mask8_1[i] | p_mask8_2[i];
- }
- }
- __STATIC_INLINE void nrf_bitmask_masks_and(void const * p_mask1,
- void const * p_mask2,
- void * p_out_mask,
- uint32_t length)
- {
- uint8_t const * p_mask8_1 = (uint8_t const *)p_mask1;
- uint8_t const * p_mask8_2 = (uint8_t const *)p_mask2;
- uint8_t * p_mask8_out = (uint8_t *)p_out_mask;
- uint32_t i;
- for (i = 0; i < length; i++)
- {
- p_mask8_out[i] = p_mask8_1[i] & p_mask8_2[i];
- }
- }
- #ifdef __cplusplus
- }
- #endif
- #endif
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