mirror of
https://github.com/sakumisu/CherryUSB.git
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131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
#ifndef _USB_UTIL_H
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#define _USB_UTIL_H
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#include "stdbool.h"
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#include "string.h"
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#include "stdint.h"
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#include "stdio.h"
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#include "usb_slist.h"
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#ifndef __packed
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#define __packed __attribute__((__packed__))
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#endif
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#ifndef __aligned
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#define __aligned(x) __attribute__((__aligned__(x)))
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#endif
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#define __may_alias __attribute__((__may_alias__))
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#ifndef __printf_like
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#define __printf_like(f, a) __attribute__((format(printf, f, a)))
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#endif
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#define __used __attribute__((__used__))
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#ifndef __deprecated
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#define __deprecated __attribute__((deprecated))
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#endif
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#define ARG_UNUSED(x) (void)(x)
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// #define likely(x) __builtin_expect((bool)!!(x), true)
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// #define unlikely(x) __builtin_expect((bool)!!(x), false)
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#define popcount(x) __builtin_popcount(x)
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#ifndef __no_optimization
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#define __no_optimization __attribute__((optimize("-O0")))
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#endif
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#ifndef __weak
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#define __weak __attribute__((__weak__))
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#endif
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#define __unused __attribute__((__unused__))
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#define __ALIGN_END __attribute__((aligned(4)))
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#define __ALIGN_BEGIN
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#ifndef LO_BYTE
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#define LO_BYTE(x) ((uint8_t)(x & 0x00FF))
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#endif
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#ifndef HI_BYTE
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#define HI_BYTE(x) ((uint8_t)((x & 0xFF00) >> 8))
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#endif
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/**
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* @def MAX
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* @brief The larger value between @p a and @p b.
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* @note Arguments are evaluated twice.
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*/
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#ifndef MAX
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/* Use Z_MAX for a GCC-only, single evaluation version */
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#define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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/**
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* @def MIN
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* @brief The smaller value between @p a and @p b.
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* @note Arguments are evaluated twice.
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*/
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#ifndef MIN
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/* Use Z_MIN for a GCC-only, single evaluation version */
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#define BCD(x) ((((x) / 10) << 4) | ((x) % 10))
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#define BIT(x) (1 << (x))
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#define ARRAY_SIZE(array) \
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((int)((sizeof(array) / sizeof((array)[0]))))
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#define USB_DESC_SECTION __attribute__((section("usb_desc"))) __used __aligned(1)
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#define BSWAP16(u16) (__builtin_bswap16(u16))
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#define BSWAP32(u32) (__builtin_bswap32(u32))
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#define GET_BE16(field) \
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(((uint16_t)(field)[0] << 8) | ((uint16_t)(field)[1]))
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#define GET_BE32(field) \
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(((uint32_t)(field)[0] << 24) | ((uint32_t)(field)[1] << 16) | ((uint32_t)(field)[2] << 8) | ((uint32_t)(field)[3] << 0))
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#define SET_BE16(field, value) \
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do { \
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(field)[0] = (uint8_t)((value) >> 8); \
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(field)[1] = (uint8_t)((value) >> 0); \
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} while (0)
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#define SET_BE24(field, value) \
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do { \
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(field)[0] = (uint8_t)((value) >> 16); \
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(field)[1] = (uint8_t)((value) >> 8); \
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(field)[2] = (uint8_t)((value) >> 0); \
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} while (0)
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#define SET_BE32(field, value) \
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do { \
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(field)[0] = (uint8_t)((value) >> 24); \
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(field)[1] = (uint8_t)((value) >> 16); \
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(field)[2] = (uint8_t)((value) >> 8); \
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(field)[3] = (uint8_t)((value) >> 0); \
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} while (0)
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#define REQTYPE_GET_DIR(x) (((x) >> 7) & 0x01)
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#define REQTYPE_GET_TYPE(x) (((x) >> 5) & 0x03U)
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#define REQTYPE_GET_RECIP(x) ((x)&0x1F)
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#define GET_DESC_TYPE(x) (((x) >> 8) & 0xFFU)
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#define GET_DESC_INDEX(x) ((x)&0xFFU)
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#define WBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF)
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#define DBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF), ((x >> 16) & 0xFF), ((x >> 24) & 0xFF)
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#if 0
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#define USBD_LOG_WRN(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#define USBD_LOG_DBG(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#define USBD_LOG_ERR(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#else
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#define USBD_LOG_WRN(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#define USBD_LOG_DBG(a, ...)
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#define USBD_LOG_ERR(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#define USBD_LOG(a, ...) bflb_platform_printf(a, ##__VA_ARGS__)
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#endif
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#endif |