andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

merge binary.h into tusb_common.h

Browse Source
This commit is contained in:
hathach
2018-12-14 15:45:49 +07:00
parent 2a60427bdc
commit 351f0d7d78
3 changed files with 95 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

156
src/common/tusb_common.h
View File

@@ -47,30 +47,8 @@
extern "C" {
#endif
//--------------------------------------------------------------------+
// INCLUDES
//--------------------------------------------------------------------+
//------------- Standard Header -------------//
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
//------------- TUSB Option Header -------------//
#include "tusb_option.h"
//------------- Common Header -------------//
#include "tusb_compiler.h"
#include "tusb_verify.h"
#include "binary.h"
#include "tusb_error.h"
#include "tusb_timeout.h"
#include "tusb_types.h"
//--------------------------------------------------------------------+
// MACROS
//--------------------------------------------------------------------+
// Macros Helper
//--------------------------------------------------------------------+
#define TU_ARRAY_SZIE(_arr) ( sizeof(_arr) / sizeof(_arr[0]) )
#define TU_MIN(_x, _y) ( (_x) < (_y) ) ? (_x) : (_y) )
@@ -89,54 +67,77 @@
#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
//------------- Endian Conversion -------------//
#define ENDIAN_BE(u32) \
(uint32_t) ( (((u32) & 0xFF) << 24) | (((u32) & 0xFF00) << 8) | (((u32) >> 8) & 0xFF00) | (((u32) >> 24) & 0xFF) )
#define ENDIAN_BE16(le16) ((uint16_t) ((U16_LOW_U8(le16) << 8) | U16_HIGH_U8(le16)) )
#ifndef __n2be_16
#define __n2be_16(u16) ((uint16_t) ((U16_LOW_U8(u16) << 8) | U16_HIGH_U8(u16)) )
#define __be2n_16(u16) __n2be_16(u16)
#endif
//------------- Binary constant -------------//
#if defined(__GNUC__) && !defined(__CC_ARM)
#define TU_BIN8(x) ((uint8_t) (0b##x))
#define TU_BIN16(b1, b2) ((uint16_t) (0b##b1##b2))
#define TU_BIN32(b1, b2, b3, b4) ((uint32_t) (0b##b1##b2##b3##b4))
#else
// internal macro of B8, B16, B32
#define _B8__(x) (((x&0x0000000FUL)?1:0) \
+((x&0x000000F0UL)?2:0) \
+((x&0x00000F00UL)?4:0) \
+((x&0x0000F000UL)?8:0) \
+((x&0x000F0000UL)?16:0) \
+((x&0x00F00000UL)?32:0) \
+((x&0x0F000000UL)?64:0) \
+((x&0xF0000000UL)?128:0))
#define TU_BIN8(d) ((uint8_t) _B8__(0x##d##UL))
#define TU_BIN16(dmsb,dlsb) (((uint16_t)TU_BIN8(dmsb)<<8) + TU_BIN8(dlsb))
#define TU_BIN32(dmsb,db2,db3,dlsb) \
(((uint32_t)TU_BIN8(dmsb)<<24) \
+ ((uint32_t)TU_BIN8(db2)<<16) \
+ ((uint32_t)TU_BIN8(db3)<<8) \
+ TU_BIN8(dlsb))
#endif
// for declaration of reserved field, make use of _TU_COUNTER_
#define TU_RESERVED XSTRING_CONCAT_(reserved, _TU_COUNTER_)
/*------------------------------------------------------------------*/
/* Count number of arguments of __VA_ARGS__
* - reference https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s
* - _GET_NTH_ARG() takes args >= N (64) but only expand to Nth one (64th)
* - _RSEQ_N() is reverse sequential to N to add padding to have
* Nth position is the same as the number of arguments
* - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma)
*------------------------------------------------------------------*/
#ifndef VA_ARGS_NUM_
//--------------------------------------------------------------------+
// INCLUDES
//--------------------------------------------------------------------+
#define VA_ARGS_NUM_(...) NARG_(_0, ##__VA_ARGS__,_RSEQ_N())
#define NARG_(...) _GET_NTH_ARG(__VA_ARGS__)
#define _GET_NTH_ARG( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
_61,_62,_63,N,...) N
#define _RSEQ_N() \
62,61,60, \
59,58,57,56,55,54,53,52,51,50, \
49,48,47,46,45,44,43,42,41,40, \
39,38,37,36,35,34,33,32,31,30, \
29,28,27,26,25,24,23,22,21,20, \
19,18,17,16,15,14,13,12,11,10, \
9,8,7,6,5,4,3,2,1,0
#endif
// Standard Headers
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
// Tinyusb Common Headers
#include "tusb_option.h"
#include "tusb_compiler.h"
#include "tusb_verify.h"
//#include "binary.h"
#include "tusb_error.h"
#include "tusb_timeout.h"
#include "tusb_types.h"
//--------------------------------------------------------------------+
// INLINE FUNCTION
//--------------------------------------------------------------------+
#ifndef __n2be_16 // TODO clean up
#define __n2be_16(u16) ((uint16_t) ((U16_LOW_U8(u16) << 8) | U16_HIGH_U8(u16)) )
#define __be2n_16(u16) __n2be_16(u16)
#endif
#define tu_memclr(buffer, size) memset((buffer), 0, (size))
#define tu_varclr(_var) tu_memclr(_var, sizeof(*(_var)))
@@ -188,10 +189,7 @@ static inline uint32_t tu_align4k (uint32_t value) { return (value & 0xFFFFF000U
static inline uint32_t tu_offset4k(uint32_t value) { return (value & 0xFFFUL); }
//------------- Mathematics -------------//
static inline uint32_t tu_abs(int32_t value)
{
return (value < 0) ? (-value) : value;
}
static inline uint32_t tu_abs(int32_t value) { return (value < 0) ? (-value) : value; }
/// inclusive range checking
static inline bool tu_within(uint32_t lower, uint32_t value, uint32_t upper)
@@ -199,10 +197,11 @@ static inline bool tu_within(uint32_t lower, uint32_t value, uint32_t upper)
return (lower <= value) && (value <= upper);
}
// log2 of a value is its MSB's position
// TODO use clz
static inline uint8_t tu_log2(uint32_t value)
{
uint8_t result = 0; // log2 of a value is its MSB's position
uint8_t result = 0;
while (value >>= 1)
{
@@ -211,6 +210,41 @@ static inline uint8_t tu_log2(uint32_t value)
return result;
}
// 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_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; }
/*------------------------------------------------------------------*/
/* Count number of arguments of __VA_ARGS__
* - reference https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s
* - _GET_NTH_ARG() takes args >= N (64) but only expand to Nth one (64th)
* - _RSEQ_N() is reverse sequential to N to add padding to have
* Nth position is the same as the number of arguments
* - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma)
*------------------------------------------------------------------*/
#ifndef VA_ARGS_NUM_
#define VA_ARGS_NUM_(...) NARG_(_0, ##__VA_ARGS__,_RSEQ_N())
#define NARG_(...) _GET_NTH_ARG(__VA_ARGS__)
#define _GET_NTH_ARG( \
_1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
_61,_62,_63,N,...) N
#define _RSEQ_N() \
62,61,60, \
59,58,57,56,55,54,53,52,51,50, \
49,48,47,46,45,44,43,42,41,40, \
39,38,37,36,35,34,33,32,31,30, \
29,28,27,26,25,24,23,22,21,20, \
19,18,17,16,15,14,13,12,11,10, \
9,8,7,6,5,4,3,2,1,0
#endif
#ifdef __cplusplus
}
#endif