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STM32F4-Base/Lib/dhara/bytes.h
2026-07-21 00:30:59 +08:00

51 lines
1.5 KiB
C

/* Dhara - NAND flash management layer
* Copyright (C) 2013 Daniel Beer <dlbeer@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef DHARA_BYTES_H_
#define DHARA_BYTES_H_
#include <stdint.h>
static inline uint16_t dhara_r16(const uint8_t *data)
{
return ((uint16_t)data[0]) |
(((uint16_t)data[1]) << 8);
}
static inline void dhara_w16(uint8_t *data, uint16_t v)
{
data[0] = v;
data[1] = v >> 8;
}
static inline uint32_t dhara_r32(const uint8_t *data)
{
return ((uint32_t)data[0]) |
(((uint32_t)data[1]) << 8) |
(((uint32_t)data[2]) << 16) |
(((uint32_t)data[3]) << 24);
}
static inline void dhara_w32(uint8_t *data, uint32_t v)
{
data[0] = v;
data[1] = v >> 8;
data[2] = v >> 16;
data[3] = v >> 24;
}
#endif