2023-08-15 22:56:53 +02:00
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#ifndef UTILS_H_
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#define UTILS_H_
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// u32 size align.
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#define ALIGN_U32 __attribute__((aligned(4)))
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2023-09-21 00:54:09 +02:00
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#define PACKED __attribute__((packed))
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#ifndef ARRAYLEN
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# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
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#endif
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// nrf52840 platform is little endian
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#define U16HTONS(x) ((uint16_t)((((x) & (uint16_t)0x00ffU) << 8) | (((x) & (uint16_t)0xff00U) >> 8)))
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#define U16NTOHS(x) U16HTONS(x)
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#define U32HTONL(x) ((((x) & (uint32_t)0x000000ffUL) << 24) | \
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(((x) & (uint32_t)0x0000ff00UL) << 8) | \
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(((x) & (uint32_t)0x00ff0000UL) >> 8) | \
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(((x) & (uint32_t)0xff000000UL) >> 24))
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#define U32NTOHL(x) U32HTONL(x)
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2023-08-23 00:18:10 +02:00
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#endif
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