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trezor-firmware/core/embed/segger/SEGGER/SEGGER.h
2021-01-26 20:53:38 +01:00

249 lines
11 KiB
C

/*********************************************************************
* SEGGER Microcontroller GmbH *
* The Embedded Experts *
**********************************************************************
* *
* (c) 1995 - 2019 SEGGER Microcontroller GmbH *
* *
* www.segger.com Support: support@segger.com *
* *
**********************************************************************
* *
* SEGGER SystemView * Real-time application analysis *
* *
**********************************************************************
* *
* All rights reserved. *
* *
* SEGGER strongly recommends to not make any changes *
* to or modify the source code of this software in order to stay *
* compatible with the SystemView and RTT protocol, and J-Link. *
* *
* Redistribution and use in source and binary forms, with or *
* without modification, are permitted provided that the following *
* condition is met: *
* *
* o Redistributions of source code must retain the above copyright *
* notice, this condition and the following disclaimer. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
* DAMAGE. *
* *
**********************************************************************
* *
* SystemView version: 3.20 *
* *
**********************************************************************
----------------------------------------------------------------------
File : SEGGER.h
Purpose : Global types etc & general purpose utility functions
Revision: $Rev: 18102 $
---------------------------END-OF-HEADER------------------------------
*/
#ifndef SEGGER_H // Guard against multiple inclusion
#define SEGGER_H
#include <stdarg.h> // For va_list.
#include "Global.h" // Type definitions: U8, U16, U32, I8, I16, I32
#if defined(__cplusplus)
extern "C" { /* Make sure we have C-declarations in C++ programs */
#endif
/*********************************************************************
*
* Keywords/specifiers
*
**********************************************************************
*/
#ifndef INLINE
#if (defined(__ICCARM__) || defined(__RX) || defined(__ICCRX__))
//
// Other known compilers.
//
#define INLINE inline
#else
#if (defined(_WIN32) && !defined(__clang__))
//
// Microsoft VC6 and newer.
// Force inlining without cost checking.
//
#define INLINE __forceinline
#elif defined(__GNUC__) || defined(__clang__)
//
// Force inlining with GCC + clang
//
#define INLINE inline __attribute__((always_inline))
#elif (defined(__CC_ARM))
//
// Force inlining with ARMCC (Keil)
//
#define INLINE __inline
#else
//
// Unknown compilers.
//
#define INLINE
#endif
#endif
#endif
/*********************************************************************
*
* Function-like macros
*
**********************************************************************
*/
#define SEGGER_COUNTOF(a) (sizeof((a))/sizeof((a)[0]))
#define SEGGER_MIN(a,b) (((a) < (b)) ? (a) : (b))
#define SEGGER_MAX(a,b) (((a) > (b)) ? (a) : (b))
#ifndef SEGGER_USE_PARA // Some compiler complain about unused parameters.
#define SEGGER_USE_PARA(Para) (void)Para // This works for most compilers.
#endif
#define SEGGER_ADDR2PTR(Type, Addr) (/*lint -e(923) -e(9078)*/((Type*)((PTR_ADDR)(Addr)))) // Allow cast from address to pointer.
#define SEGGER_PTR2ADDR(p) (/*lint -e(923) -e(9078)*/((PTR_ADDR)(p))) // Allow cast from pointer to address.
#define SEGGER_PTR2PTR(Type, p) (/*lint -e(740) -e(826) -e(9079) -e(9087)*/((Type*)(p))) // Allow cast from one pointer type to another (ignore different size).
#define SEGGER_PTR_DISTANCE(p0, p1) (SEGGER_PTR2ADDR(p0) - SEGGER_PTR2ADDR(p1))
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
#define SEGGER_PRINTF_FLAG_ADJLEFT (1 << 0)
#define SEGGER_PRINTF_FLAG_SIGNFORCE (1 << 1)
#define SEGGER_PRINTF_FLAG_SIGNSPACE (1 << 2)
#define SEGGER_PRINTF_FLAG_PRECEED (1 << 3)
#define SEGGER_PRINTF_FLAG_ZEROPAD (1 << 4)
#define SEGGER_PRINTF_FLAG_NEGATIVE (1 << 5)
/*********************************************************************
*
* Types
*
**********************************************************************
*/
typedef struct {
char* pBuffer;
int BufferSize;
int Cnt;
} SEGGER_BUFFER_DESC;
typedef struct {
unsigned int CacheLineSize; // 0: No Cache. Most Systems such as ARM9 use a 32 bytes cache line size.
void (*pfDMB) (void); // Optional DMB function for Data Memory Barrier to make sure all memory operations are completed.
void (*pfClean) (void *p, unsigned long NumBytes); // Optional clean function for cached memory.
void (*pfInvalidate)(void *p, unsigned long NumBytes); // Optional invalidate function for cached memory.
} SEGGER_CACHE_CONFIG;
typedef struct SEGGER_SNPRINTF_CONTEXT_struct SEGGER_SNPRINTF_CONTEXT;
struct SEGGER_SNPRINTF_CONTEXT_struct {
void* pContext; // Application specific context.
SEGGER_BUFFER_DESC* pBufferDesc; // Buffer descriptor to use for output.
void (*pfFlush)(SEGGER_SNPRINTF_CONTEXT* pContext); // Callback executed once the buffer is full. Callback decides if the buffer gets cleared to store more or not.
};
typedef struct {
void (*pfStoreChar) (SEGGER_BUFFER_DESC* pBufferDesc, SEGGER_SNPRINTF_CONTEXT* pContext, char c);
int (*pfPrintUnsigned) (SEGGER_BUFFER_DESC* pBufferDesc, SEGGER_SNPRINTF_CONTEXT* pContext, U32 v, unsigned Base, char Flags, int Width, int Precision);
int (*pfPrintInt) (SEGGER_BUFFER_DESC* pBufferDesc, SEGGER_SNPRINTF_CONTEXT* pContext, I32 v, unsigned Base, char Flags, int Width, int Precision);
} SEGGER_PRINTF_API;
typedef void (*SEGGER_pFormatter)(SEGGER_BUFFER_DESC* pBufferDesc, SEGGER_SNPRINTF_CONTEXT* pContext, const SEGGER_PRINTF_API* pApi, va_list* pParamList, char Lead, int Width, int Precision);
typedef struct SEGGER_PRINTF_FORMATTER {
struct SEGGER_PRINTF_FORMATTER* pNext; // Pointer to next formatter.
SEGGER_pFormatter pfFormatter; // Formatter function.
char Specifier; // Format specifier.
} SEGGER_PRINTF_FORMATTER;
typedef struct {
U32 (*pfGetHPTimestamp)(void); // Mandatory, pfGetHPTimestamp
int (*pfGetUID) (U8 abUID[16]); // Optional, pfGetUID
} SEGGER_BSP_API;
/*********************************************************************
*
* Utility functions
*
**********************************************************************
*/
//
// Memory operations.
//
void SEGGER_ARM_memcpy(void* pDest, const void* pSrc, int NumBytes);
void SEGGER_memcpy (void* pDest, const void* pSrc, unsigned NumBytes);
void SEGGER_memxor (void* pDest, const void* pSrc, unsigned NumBytes);
//
// String functions.
//
int SEGGER_atoi (const char* s);
int SEGGER_isalnum (int c);
int SEGGER_isalpha (int c);
unsigned SEGGER_strlen (const char* s);
int SEGGER_tolower (int c);
int SEGGER_strcasecmp (const char* sText1, const char* sText2);
int SEGGER_strncasecmp(const char *sText1, const char *sText2, unsigned Count);
//
// Buffer/printf related.
//
void SEGGER_StoreChar (SEGGER_BUFFER_DESC* pBufferDesc, char c);
void SEGGER_PrintUnsigned(SEGGER_BUFFER_DESC* pBufferDesc, U32 v, unsigned Base, int Precision);
void SEGGER_PrintInt (SEGGER_BUFFER_DESC* pBufferDesc, I32 v, unsigned Base, int Precision);
int SEGGER_snprintf (char* pBuffer, int BufferSize, const char* sFormat, ...);
int SEGGER_vsnprintf (char* pBuffer, int BufferSize, const char* sFormat, va_list ParamList);
int SEGGER_vsnprintfEx (SEGGER_SNPRINTF_CONTEXT* pContext, const char* sFormat, va_list ParamList);
int SEGGER_PRINTF_AddFormatter (SEGGER_PRINTF_FORMATTER* pFormatter, SEGGER_pFormatter pfFormatter, char c);
void SEGGER_PRINTF_AddDoubleFormatter (void);
void SEGGER_PRINTF_AddIPFormatter (void);
void SEGGER_PRINTF_AddBLUEFormatter (void);
void SEGGER_PRINTF_AddCONNECTFormatter(void);
void SEGGER_PRINTF_AddSSLFormatter (void);
void SEGGER_PRINTF_AddSSHFormatter (void);
void SEGGER_PRINTF_AddHTMLFormatter (void);
//
// BSP abstraction API.
//
int SEGGER_BSP_GetUID (U8 abUID[16]);
int SEGGER_BSP_GetUID32(U32* pUID);
void SEGGER_BSP_SetAPI (const SEGGER_BSP_API* pAPI);
void SEGGER_BSP_SeedUID (void);
//
// Other API.
//
void SEGGER_VERSION_GetString(char acText[8], unsigned Version);
#if defined(__cplusplus)
} /* Make sure we have C-declarations in C++ programs */
#endif
#endif // Avoid multiple inclusion
/*************************** End of file ****************************/