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more clean up use inline bit funciton instead of macros

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This commit is contained in:
hathach
2019-05-14 12:54:29 +07:00
parent 81fc7b7e2b
commit 3e6d911ce9
15 changed files with 41 additions and 49 deletions
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20
src/common/tusb_common.h
View File

@@ -55,11 +55,7 @@
#define U32_TO_U8S_BE(u32) U32_B1_U8(u32), U32_B2_U8(u32), U32_B3_U8(u32), U32_B4_U8(u32)
#define U32_TO_U8S_LE(u32) U32_B4_U8(u32), U32_B3_U8(u32), U32_B2_U8(u32), U32_B1_U8(u32)
//------------- Bit -------------//
#define TU_BIT(n) (1U << (n)) ///< n-th Bit
#define TU_BIT_SET(x, n) ( (x) | TU_BIT(n) ) ///< set n-th bit of x to 1
#define TU_BIT_CLEAR(x, n) ( (x) & (~TU_BIT(n)) ) ///< clear n-th bit of x
#define TU_BIT_TEST(x, n) ( ((x) & TU_BIT(n)) ? true : false ) ///< check if n-th bit of x is 1
#define TU_BIT(n) (1U << (n))
// for declaration of reserved field, make use of _TU_COUNTER_
#define TU_RESERVED XSTRING_CONCAT_(reserved, _TU_COUNTER_)
@@ -89,14 +85,6 @@
#define tu_memclr(buffer, size) memset((buffer), 0, (size))
#define tu_varclr(_var) tu_memclr(_var, sizeof(*(_var)))
static inline bool tu_mem_test_zero (void const* buffer, uint32_t size)
{
uint8_t const* p_mem = (uint8_t const*) buffer;
for(uint32_t i=0; i<size; i++) if (p_mem[i] != 0) return false;
return true;
}
//------------- Conversion -------------//
static inline uint32_t tu_u32_from_u8(uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4)
{
@@ -136,9 +124,7 @@ static inline uint32_t tu_max32 (uint32_t x, uint32_t y) { return (x > y) ? x :
// Align
static inline uint32_t tu_align32 (uint32_t value) { return (value & 0xFFFFFFE0UL); }
static inline uint32_t tu_align16 (uint32_t value) { return (value & 0xFFFFFFF0UL); }
static inline uint32_t tu_align_n (uint32_t alignment, uint32_t value) { return value & ((uint32_t) ~(alignment-1)); }
static inline uint32_t tu_align4k (uint32_t value) { return (value & 0xFFFFF000UL); }
static inline uint32_t tu_offset4k(uint32_t value) { return (value & 0xFFFUL); }
//------------- Mathematics -------------//
@@ -164,9 +150,9 @@ static inline uint8_t tu_log2(uint32_t value)
}
// Bit
static inline uint32_t tu_bit_set(uint32_t value, uint8_t n) { return value | TU_BIT(n); }
static inline uint32_t tu_bit_set (uint32_t value, uint8_t n) { return value | TU_BIT(n); }
static inline uint32_t tu_bit_clear(uint32_t value, uint8_t n) { return value & (~TU_BIT(n)); }
static inline bool tu_bit_test(uint32_t value, uint8_t n) { return (value & TU_BIT(n)) ? true : false; }
static inline bool tu_bit_test (uint32_t value, uint8_t n) { return (value & TU_BIT(n)) ? true : false; }
/*------------------------------------------------------------------*/
/* Count number of arguments of __VA_ARGS__

24
src/common/tusb_compiler.h
View File

@@ -43,15 +43,16 @@
#define _TU_COUNTER_ __LINE__
#endif
//--------------------------------------------------------------------+
// Compile-time Assert (use TU_VERIFY_STATIC to avoid name conflict)
//--------------------------------------------------------------------+
// Compile-time Assert
#if __STDC_VERSION__ >= 201112L
#define TU_VERIFY_STATIC _Static_assert
#else
#define TU_VERIFY_STATIC(const_expr, _mess) enum { XSTRING_CONCAT_(_verify_static_, _TU_COUNTER_) = 1/(!!(const_expr)) }
#endif
//--------------------------------------------------------------------+
// Compiler porting with Attribute and Endian
//--------------------------------------------------------------------+
#if defined(__GNUC__)
#define ATTR_ALIGNED(Bytes) __attribute__ ((aligned(Bytes)))
#define ATTR_SECTION(sec_name) __attribute__ ((section(#sec_name)))
@@ -61,15 +62,20 @@
#define ATTR_DEPRECATED(mess) __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
#define ATTR_UNUSED __attribute__ ((unused)) // Function/Variable is meant to be possibly unused
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
// Endian conversion use well-known host to network (big endian) naming
#define tu_htonl(x) __builtin_bswap32(x)
#define tu_ntohl(x) tu_htonl(x)
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define tu_htonl(u32) __builtin_bswap32(u32)
#define tu_ntohl(u32) __builtin_bswap32(u32)
#define tu_htons(u16) __builtin_bswap16(u16)
#define tu_ntohs(u16) tu_htons(u16)
#define tu_htons(u16) __builtin_bswap16(u16)
#define tu_ntohs(u16) __builtin_bswap16(u16)
#else
#define tu_htonl(u32) (u32)
#define tu_ntohl(u32) (u32)
#define tu_htons(u16) (u16)
#define tu_ntohs(u16) (u16)
#endif
#else
#error "Compiler attribute porting are required"
#endif