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