/**
******************************************************************************
* @file stm32_adv_trace.c
* @author MCD Application Team
* @brief This file contains the advanced trace utility functions.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32_adv_trace.h"
#include "stdarg.h"
#include "stdio.h"
/** @addtogroup ADV_TRACE
* @{
*/
/* Private defines -----------------------------------------------------------*/
/** @defgroup ADV_TRACE_Private_defines ADV_TRACE Privates defines
* @{
*/
/**
* @brief memory address of the trace buffer location.
* This define can be used, to change the buffer location.
*
*/
#if !defined(UTIL_ADV_TRACE_MEMLOCATION)
#define UTIL_ADV_TRACE_MEMLOCATION
#endif
#if defined(UTIL_ADV_TRACE_OVERRUN)
/**
* @brief List the overrun status.
* list of the overrun status used to handle the overrun trace evacuation.
*
* @note only valid if UTIL_ADV_TRACE_OVERRUN has been enabled inside utilities conf
*/
typedef enum {
TRACE_OVERRUN_NONE = 0, /*!<overrun status none. */
TRACE_OVERRUN_INDICATION, /*!<overrun status an indication shall be sent. */
TRACE_OVERRUN_TRANSFERT, /*!<overrun status data transfer ongoing. */
TRACE_OVERRUN_EXECUTED, /*!<overrun status data transfer complete. */
} TRACE_OVERRUN_STATUS;
#endif
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
/**
* @brief List the unchunk status.
* list of the unchunk status used to handle the unchunk case.
*
* @note only valid if UTIL_ADV_TRACE_UNCHUNK_MODE has been enabled inside utilities conf
*/
typedef enum {
TRACE_UNCHUNK_NONE = 0, /*!<unchunk status none. */
TRACE_UNCHUNK_DETECTED, /*!<unchunk status an unchunk has been detected. */
TRACE_UNCHUNK_TRANSFER /*!<unchunk status an unchunk transfer is ongoing. */
} TRACE_UNCHUNK_STATUS;
#endif
/**
* @}
*/
/**
* @brief advanced macro to override to enable debug mode
*/
#ifndef UTIL_ADV_TRACE_DEBUG
#define UTIL_ADV_TRACE_DEBUG(...)
#endif
/* Private macros ------------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/** @defgroup ADV_TRACE_private_typedef ADV_TRACE private typedef
* @{
*/
/**
* @brief ADV_TRACE_Context.
* this structure contains all the data to handle the trace context.
*
* @note some part of the context are depend with the selected switch inside the configuration file
* UTIL_ADV_TRACE_UNCHUNK_MODE, UTIL_ADV_TRACE_OVERRUN, UTIL_ADV_TRACE_CONDITIONNAL
*/
typedef struct {
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
uint16_t unchunk_enabled; /*!<unchunk enable. */
TRACE_UNCHUNK_STATUS unchunk_status; /*!<unchunk transfer status. */
#endif
#if defined(UTIL_ADV_TRACE_OVERRUN)
TRACE_OVERRUN_STATUS OverRunStatus; /*!<overrun status. */
cb_overrun *overrun_func; /*!<overrun function */
#endif
#if defined(UTIL_ADV_TRACE_CONDITIONNAL)
cb_timestamp *timestamp_func; /*!<ptr of function used to insert time stamp. */
uint8_t CurrentVerboseLevel; /*!<verbose level used. */
uint32_t RegionMask; /*!<mask of the enabled region. */
#endif
uint16_t TraceRdPtr; /*!<read pointer the trace system. */
uint16_t TraceWrPtr; /*!<write pointer the trace system. */
uint16_t TraceSentSize; /*!<size of the latest transfer. */
uint16_t TraceLock; /*!<lock counter of the trace system. */
} ADV_TRACE_Context;
/**
* @}
*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup ADV_TRACE_private_variable ADV_TRACE private variable
* private variable of the advanced trace system.
* @{
*/
/**
* @brief trace context
* this variable contains all the internal data of the advanced trace system.
*/
static ADV_TRACE_Context ADV_TRACE_Ctx;
static UTIL_ADV_TRACE_MEMLOCATION uint8_t ADV_TRACE_Buffer[UTIL_ADV_TRACE_FIFO_SIZE];
#if defined(UTIL_ADV_TRACE_CONDITIONNAL) && defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
/**
* @brief temporary buffer used by UTIL_ADV_TRACE_COND_FSend
* a temporary buffers variable used to evaluate a formatted string size.
*/
static uint8_t sztmp[UTIL_ADV_TRACE_TMP_BUF_SIZE];
#endif
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/** @defgroup ADV_TRACE_private_function ADV_TRACE private function
*
* @{
*/
static void TRACE_TxCpltCallback(void *Ptr);
static int16_t TRACE_AllocateBufer(uint16_t Size, uint16_t *Pos);
static UTIL_ADV_TRACE_Status_t TRACE_Send(void);
static void TRACE_Lock(void);
static void TRACE_UnLock(void);
static uint32_t TRACE_IsLocked(void);
/**
* @}
*/
/* Functions Definition ------------------------------------------------------*/
/** @addtogroup ADV_TRACE_exported_function
* @{
*/
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_Init(void)
{
/* initialize the Ptr for Read/Write */
(void)UTIL_ADV_TRACE_MEMSET8(&ADV_TRACE_Ctx, 0x0, sizeof(ADV_TRACE_Context));
(void)UTIL_ADV_TRACE_MEMSET8(&ADV_TRACE_Buffer, 0x0, sizeof(ADV_TRACE_Buffer));
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
UTIL_ADV_TRACE_DEBUG("\nUNCHUNK_MODE\n");
#endif
/* Allocate Lock resource */
UTIL_ADV_TRACE_INIT_CRITICAL_SECTION();
/* Initialize the Low Level interface */
return UTIL_TraceDriver.Init(TRACE_TxCpltCallback);
}
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_DeInit(void)
{
/* Un-initialize the Low Level interface */
return UTIL_TraceDriver.DeInit();
}
uint8_t UTIL_ADV_TRACE_IsBufferEmpty(void)
{
/* check of the buffer is empty */
if(ADV_TRACE_Ctx.TraceWrPtr == ADV_TRACE_Ctx.TraceRdPtr)
return 1;
return 0;
}
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_StartRxProcess(void (*UserCallback)(uint8_t *PData, uint16_t Size, uint8_t Error))
{
/* start the RX process */
return UTIL_TraceDriver.StartRx(UserCallback);
}
#if defined(UTIL_ADV_TRACE_CONDITIONNAL)
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_COND_FSend(uint32_t VerboseLevel, uint32_t Region, uint32_t TimeStampState, const char *strFormat, ...)
{
va_list vaArgs;
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
uint8_t buf[UTIL_ADV_TRACE_TMP_MAX_TIMESTMAP_SIZE];
uint16_t timestamp_size = 0u;
uint16_t writepos;
uint16_t idx;
#else
uint8_t buf[UTIL_ADV_TRACE_TMP_BUF_SIZE+UTIL_ADV_TRACE_TMP_MAX_TIMESTMAP_SIZE];
#endif
uint16_t buff_size = 0u;
/* check verbose level */
if(!(ADV_TRACE_Ctx.CurrentVerboseLevel >= VerboseLevel))
{
return UTIL_ADV_TRACE_GIVEUP;
}
if((Region & ADV_TRACE_Ctx.RegionMask) != Region)
{
return UTIL_ADV_TRACE_REGIONMASKED;
}
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
if((ADV_TRACE_Ctx.timestamp_func != NULL) && (TimeStampState != 0u))
{
ADV_TRACE_Ctx.timestamp_func(buf,×tamp_size);
}
va_start( vaArgs, strFormat);
buff_size =(uint16_t)UTIL_ADV_TRACE_VSNPRINTF((char *)sztmp,UTIL_ADV_TRACE_TMP_BUF_SIZE, strFormat, vaArgs);
TRACE_Lock();
/* if allocation is ok, write data into the buffer */
if (TRACE_AllocateBufer((buff_size+timestamp_size),&writepos) != -1)
{
#if defined(UTIL_ADV_TRACE_OVERRUN)
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
if(ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_EXECUTED)
{
/* clear the over run */
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_NONE;
}
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
#endif
/* copy the timestamp */
for (idx = 0u; idx < timestamp_size; idx++)
{
ADV_TRACE_Buffer[writepos] = buf[idx];
writepos = writepos + 1u;
}
/* copy the data */
(void)UTIL_ADV_TRACE_VSNPRINTF((char *)(&ADV_TRACE_Buffer[writepos]), UTIL_ADV_TRACE_TMP_BUF_SIZE, strFormat, vaArgs);
va_end(vaArgs);
TRACE_UnLock();
return TRACE_Send();
}
va_end(vaArgs);
TRACE_UnLock();
#if defined(UTIL_ADV_TRACE_OVERRUN)
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
if((ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_NONE ) && (NULL != ADV_TRACE_Ctx.overrun_func))
{
UTIL_ADV_TRACE_DEBUG("UTIL_ADV_TRACE_Send:TRACE_OVERRUN_INDICATION");
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_INDICATION;
}
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
#endif
return UTIL_ADV_TRACE_MEM_FULL;
#else
if((ADV_TRACE_Ctx.timestamp_func != NULL) && (TimeStampState != 0u))
{
ADV_TRACE_Ctx.timestamp_func(buf,&buff_size);
}
va_start(vaArgs, strFormat);
buff_size += (uint16_t) UTIL_ADV_TRACE_VSNPRINTF((char* )(buf + buff_size), UTIL_ADV_TRACE_TMP_BUF_SIZE, strFormat, vaArgs);
va_end(vaArgs);
return UTIL_ADV_TRACE_Send(buf, buff_size);
#endif
}
#endif
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_FSend(const char *strFormat, ...)
{
uint8_t buf[UTIL_ADV_TRACE_TMP_BUF_SIZE];
va_list vaArgs;
va_start(vaArgs, strFormat);
uint16_t bufSize = (uint16_t) UTIL_ADV_TRACE_VSNPRINTF((char* )buf, UTIL_ADV_TRACE_TMP_BUF_SIZE, strFormat, vaArgs);
va_end(vaArgs);
return UTIL_ADV_TRACE_Send(buf, bufSize);
}
#if defined(UTIL_ADV_TRACE_CONDITIONNAL)
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_COND_ZCSend_Allocation(uint32_t VerboseLevel, uint32_t Region, uint32_t TimeStampState, uint16_t length, uint8_t **pData, uint16_t *FifoSize, uint16_t *WritePos)
{
UTIL_ADV_TRACE_Status_t ret = UTIL_ADV_TRACE_OK;
uint16_t writepos;
uint8_t timestamp_ptr[UTIL_ADV_TRACE_TMP_MAX_TIMESTMAP_SIZE];
uint16_t timestamp_size = 0u;
/* check verbose level */
if(!(ADV_TRACE_Ctx.CurrentVerboseLevel >= VerboseLevel))
{
return UTIL_ADV_TRACE_GIVEUP;
}
if((Region & ADV_TRACE_Ctx.RegionMask) != Region)
{
return UTIL_ADV_TRACE_REGIONMASKED;
}
if((ADV_TRACE_Ctx.timestamp_func != NULL) && (TimeStampState != 0u))
{
ADV_TRACE_Ctx.timestamp_func(timestamp_ptr, ×tamp_size);
}
TRACE_Lock();
/* if allocation is ok, write data into the buffer */
if (TRACE_AllocateBufer(length+timestamp_size, &writepos) != -1)
{
/* fill time stamp information */
for (uint16_t index = 0u; index < timestamp_size; index++)
{
ADV_TRACE_Buffer[writepos] = timestamp_ptr[index];
writepos = (uint16_t) ((writepos + 1u) % UTIL_ADV_TRACE_FIFO_SIZE);
}
/*user fill */
*pData = ADV_TRACE_Buffer;
*FifoSize = (uint16_t) UTIL_ADV_TRACE_FIFO_SIZE;
*WritePos = writepos;
}
else
{
TRACE_UnLock();
ret = UTIL_ADV_TRACE_MEM_FULL;
}
return ret;
}
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_COND_ZCSend_Finalize(void)
{
return UTIL_ADV_TRACE_ZCSend_Finalize();
}
#endif
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_ZCSend_Allocation(uint16_t Length, uint8_t **pData, uint16_t *FifoSize, uint16_t *WritePos)
{
UTIL_ADV_TRACE_Status_t ret = UTIL_ADV_TRACE_OK;
uint16_t writepos;
TRACE_Lock();
/* if allocation is ok, write data into the buffer */
if (TRACE_AllocateBufer(Length,&writepos) != -1)
{
/*user fill */
*pData = ADV_TRACE_Buffer;
*FifoSize = UTIL_ADV_TRACE_FIFO_SIZE;
*WritePos = (uint16_t)writepos;
}
else
{
TRACE_UnLock();
ret = UTIL_ADV_TRACE_MEM_FULL;
}
return ret;
}
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_ZCSend_Finalize(void)
{
TRACE_UnLock();
return TRACE_Send();
}
#if defined(UTIL_ADV_TRACE_CONDITIONNAL)
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_COND_Send(uint32_t VerboseLevel, uint32_t Region, uint32_t TimeStampState, const uint8_t *pData, uint16_t Length)
{
UTIL_ADV_TRACE_Status_t ret;
uint16_t writepos;
uint32_t idx;
uint8_t timestamp_ptr[UTIL_ADV_TRACE_TMP_MAX_TIMESTMAP_SIZE];
uint16_t timestamp_size = 0u;
/* check verbose level */
if(!(ADV_TRACE_Ctx.CurrentVerboseLevel >= VerboseLevel))
{
return UTIL_ADV_TRACE_GIVEUP;
}
if((Region & ADV_TRACE_Ctx.RegionMask) != Region)
{
return UTIL_ADV_TRACE_REGIONMASKED;
}
if((ADV_TRACE_Ctx.timestamp_func != NULL) && (TimeStampState != 0u))
{
ADV_TRACE_Ctx.timestamp_func(timestamp_ptr, ×tamp_size);
}
TRACE_Lock();
/* if allocation is ok, write data into the buffer */
if (TRACE_AllocateBufer(Length + timestamp_size, &writepos) != -1)
{
/* fill time stamp information */
for (idx = 0; idx < timestamp_size; idx++)
{
ADV_TRACE_Buffer[writepos] = timestamp_ptr[idx];
writepos = (uint16_t) ((writepos + 1u) % UTIL_ADV_TRACE_FIFO_SIZE);
}
for (idx = 0u; idx < Length; idx++)
{
ADV_TRACE_Buffer[writepos] = pData[idx];
writepos = (uint16_t) ((writepos + 1u) % UTIL_ADV_TRACE_FIFO_SIZE);
}
TRACE_UnLock();
ret = TRACE_Send();
}
else
{
TRACE_UnLock();
ret = UTIL_ADV_TRACE_MEM_FULL;
}
return ret;
}
#endif
UTIL_ADV_TRACE_Status_t UTIL_ADV_TRACE_Send(const uint8_t *pData, uint16_t Length)
{
UTIL_ADV_TRACE_Status_t ret;
uint16_t writepos;
uint32_t idx;
TRACE_Lock();
/* if allocation is ok, write data into the buffer */
if (TRACE_AllocateBufer(Length,&writepos) != -1)
{
/* initialize the Ptr for Read/Write */
for (idx = 0u; idx < Length; idx++)
{
ADV_TRACE_Buffer[writepos] = pData[idx];
writepos = (uint16_t) ((writepos + 1u) % UTIL_ADV_TRACE_FIFO_SIZE);
}
TRACE_UnLock();
ret = TRACE_Send();
}
else
{
TRACE_UnLock();
ret = UTIL_ADV_TRACE_MEM_FULL;
}
return ret;
}
#if defined(UTIL_ADV_TRACE_OVERRUN)
void UTIL_ADV_TRACE_RegisterOverRunFunction(cb_overrun *cb)
{
ADV_TRACE_Ctx.overrun_func = *cb;
}
#endif
#if defined(UTIL_ADV_TRACE_CONDITIONNAL)
void UTIL_ADV_TRACE_RegisterTimeStampFunction(cb_timestamp *cb)
{
ADV_TRACE_Ctx.timestamp_func = *cb;
}
void UTIL_ADV_TRACE_SetVerboseLevel(uint8_t Level)
{
ADV_TRACE_Ctx.CurrentVerboseLevel = Level;
}
uint8_t UTIL_ADV_TRACE_GetVerboseLevel(void)
{
return ADV_TRACE_Ctx.CurrentVerboseLevel;
}
void UTIL_ADV_TRACE_SetRegion(uint32_t Region)
{
ADV_TRACE_Ctx.RegionMask |= Region;
}
uint32_t UTIL_ADV_TRACE_GetRegion(void)
{
return ADV_TRACE_Ctx.RegionMask;
}
void UTIL_ADV_TRACE_ResetRegion(uint32_t Region)
{
ADV_TRACE_Ctx.RegionMask &= ~Region;
}
#endif
__WEAK void UTIL_ADV_TRACE_PreSendHook(void)
{
}
__WEAK void UTIL_ADV_TRACE_PostSendHook(void)
{
}
/**
* @}
*/
/** @addtogroup ADV_TRACE_private_function
* @{
*/
/**
* @brief send the data of the trace to low layer
* @retval Status based on @ref UTIL_ADV_TRACE_Status_t
*/
static UTIL_ADV_TRACE_Status_t TRACE_Send(void)
{
UTIL_ADV_TRACE_Status_t ret = UTIL_ADV_TRACE_OK;
uint8_t *ptr = NULL;
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
if(TRACE_IsLocked() == 0u)
{
TRACE_Lock();
if(ADV_TRACE_Ctx.TraceRdPtr != ADV_TRACE_Ctx.TraceWrPtr)
{
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
if(TRACE_UNCHUNK_DETECTED == ADV_TRACE_Ctx.unchunk_status)
{
ADV_TRACE_Ctx.TraceSentSize = (uint16_t) (ADV_TRACE_Ctx.unchunk_enabled - ADV_TRACE_Ctx.TraceRdPtr);
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_TRANSFER;
ADV_TRACE_Ctx.unchunk_enabled = 0;
UTIL_ADV_TRACE_DEBUG("\nTRACE_TxCpltCallback::unchunk start(%d,%d)\n", ADV_TRACE_Ctx.unchunk_enabled, ADV_TRACE_Ctx.TraceRdPtr);
if(0u == ADV_TRACE_Ctx.TraceSentSize)
{
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_NONE;
ADV_TRACE_Ctx.TraceRdPtr = 0;
}
}
if(TRACE_UNCHUNK_NONE == ADV_TRACE_Ctx.unchunk_status)
{
#endif
if(ADV_TRACE_Ctx.TraceWrPtr > ADV_TRACE_Ctx.TraceRdPtr)
{
ADV_TRACE_Ctx.TraceSentSize = ADV_TRACE_Ctx.TraceWrPtr - ADV_TRACE_Ctx.TraceRdPtr;
}
else /* TraceRdPtr > TraceWrPtr */
{
ADV_TRACE_Ctx.TraceSentSize = UTIL_ADV_TRACE_FIFO_SIZE - ADV_TRACE_Ctx.TraceRdPtr;
}
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
}
#endif
ptr = &ADV_TRACE_Buffer[ADV_TRACE_Ctx.TraceRdPtr];
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
UTIL_ADV_TRACE_PreSendHook();
UTIL_ADV_TRACE_DEBUG("\n--TRACE_Send(%d-%d)--\n", ADV_TRACE_Ctx.TraceRdPtr, ADV_TRACE_Ctx.TraceSentSize);
ret = UTIL_TraceDriver.Send(ptr, ADV_TRACE_Ctx.TraceSentSize);
}
else
{
TRACE_UnLock();
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
}
}
else
{
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
}
return ret;
}
/**
* @brief Tx callback called by the low layer level to inform a transfer complete
* @param Ptr pointer not used only for HAL compatibility
* @retval none
*/
static void TRACE_TxCpltCallback(void *Ptr)
{
uint8_t *ptr = NULL;
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
#if defined(UTIL_ADV_TRACE_OVERRUN)
if(ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_TRANSFERT)
{
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_EXECUTED;
UTIL_ADV_TRACE_DEBUG("\n--TRACE_Send overrun complete--\n");
ADV_TRACE_Ctx.TraceSentSize = 0u;
}
#endif
#if defined(UTIL_ADV_TRACE_UNCHUNK_MODE)
if(TRACE_UNCHUNK_TRANSFER == ADV_TRACE_Ctx.unchunk_status)
{
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_NONE;
ADV_TRACE_Ctx.TraceRdPtr = 0;
UTIL_ADV_TRACE_DEBUG("\nTRACE_TxCpltCallback::unchunk complete\n");
}
else
{
ADV_TRACE_Ctx.TraceRdPtr = (ADV_TRACE_Ctx.TraceRdPtr + ADV_TRACE_Ctx.TraceSentSize) % UTIL_ADV_TRACE_FIFO_SIZE;
}
#else
ADV_TRACE_Ctx.TraceRdPtr = (ADV_TRACE_Ctx.TraceRdPtr + ADV_TRACE_Ctx.TraceSentSize) % UTIL_ADV_TRACE_FIFO_SIZE;
#endif
#if defined(UTIL_ADV_TRACE_OVERRUN)
if(ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_INDICATION)
{
uint8_t *ptr = NULL;
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_TRANSFERT;
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
ADV_TRACE_Ctx.overrun_func(&ptr, &ADV_TRACE_Ctx.TraceSentSize);
UTIL_ADV_TRACE_DEBUG("\n--Driver_Send overrun(%d)--\n", ADV_TRACE_Ctx.TraceSentSize);
UTIL_TraceDriver.Send(ptr, ADV_TRACE_Ctx.TraceSentSize);
return;
}
#endif
if((ADV_TRACE_Ctx.TraceRdPtr != ADV_TRACE_Ctx.TraceWrPtr) && (1u == ADV_TRACE_Ctx.TraceLock))
{
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
if(TRACE_UNCHUNK_DETECTED == ADV_TRACE_Ctx.unchunk_status)
{
ADV_TRACE_Ctx.TraceSentSize = ADV_TRACE_Ctx.unchunk_enabled - ADV_TRACE_Ctx.TraceRdPtr;
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_TRANSFER;
ADV_TRACE_Ctx.unchunk_enabled = 0;
UTIL_ADV_TRACE_DEBUG("\nTRACE_TxCpltCallback::unchunk start(%d,%d)\n", ADV_TRACE_Ctx.unchunk_enabled, ADV_TRACE_Ctx.TraceRdPtr);
if(0u == ADV_TRACE_Ctx.TraceSentSize)
{
/* this case occurs when an ongoing write aligned the Rd position with chunk position */
/* in that case the unchunk is forgot */
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_NONE;
ADV_TRACE_Ctx.TraceRdPtr = 0;
}
}
if(TRACE_UNCHUNK_NONE == ADV_TRACE_Ctx.unchunk_status)
{
#endif
if(ADV_TRACE_Ctx.TraceWrPtr > ADV_TRACE_Ctx.TraceRdPtr)
{
ADV_TRACE_Ctx.TraceSentSize = ADV_TRACE_Ctx.TraceWrPtr - ADV_TRACE_Ctx.TraceRdPtr;
}
else /* TraceRdPtr > TraceWrPtr */
{
ADV_TRACE_Ctx.TraceSentSize = UTIL_ADV_TRACE_FIFO_SIZE - ADV_TRACE_Ctx.TraceRdPtr;
}
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
}
#endif
ptr = &ADV_TRACE_Buffer[ADV_TRACE_Ctx.TraceRdPtr];
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
UTIL_ADV_TRACE_DEBUG("\n--TRACE_Send(%d-%d)--\n", ADV_TRACE_Ctx.TraceRdPtr, ADV_TRACE_Ctx.TraceSentSize);
UTIL_TraceDriver.Send(ptr, ADV_TRACE_Ctx.TraceSentSize);
}
else
{
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
UTIL_ADV_TRACE_PostSendHook();
TRACE_UnLock();
}
}
/**
* @brief allocate space inside the buffer to push data
* @param Size to allocate within fifo
* @param Pos position within the fifo
* @retval write position inside the buffer is -1 no space available.
*/
static int16_t TRACE_AllocateBufer(uint16_t Size, uint16_t *Pos)
{
uint16_t freesize;
int16_t ret = -1;
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
if(ADV_TRACE_Ctx.TraceWrPtr == ADV_TRACE_Ctx.TraceRdPtr)
{
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
freesize = (uint16_t)(UTIL_ADV_TRACE_FIFO_SIZE - ADV_TRACE_Ctx.TraceWrPtr);
if((Size >= freesize) && (ADV_TRACE_Ctx.TraceRdPtr > Size))
{
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_DETECTED;
ADV_TRACE_Ctx.unchunk_enabled = ADV_TRACE_Ctx.TraceWrPtr;
freesize = ADV_TRACE_Ctx.TraceRdPtr;
ADV_TRACE_Ctx.TraceWrPtr = 0;
}
#else
/* need to add buffer full management*/
freesize = (int16_t)UTIL_ADV_TRACE_FIFO_SIZE;
#endif
}
else
{
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
if (ADV_TRACE_Ctx.TraceWrPtr > ADV_TRACE_Ctx.TraceRdPtr)
{
freesize = (uint16_t)(UTIL_ADV_TRACE_FIFO_SIZE - ADV_TRACE_Ctx.TraceWrPtr);
if((Size >= freesize) && (ADV_TRACE_Ctx.TraceRdPtr > Size))
{
ADV_TRACE_Ctx.unchunk_status = TRACE_UNCHUNK_DETECTED;
ADV_TRACE_Ctx.unchunk_enabled = ADV_TRACE_Ctx.TraceWrPtr;
freesize = ADV_TRACE_Ctx.TraceRdPtr;
ADV_TRACE_Ctx.TraceWrPtr = 0;
}
}
else
{
freesize = (uint16_t)(ADV_TRACE_Ctx.TraceRdPtr - ADV_TRACE_Ctx.TraceWrPtr);
}
#else
if (ADV_TRACE_Ctx.TraceWrPtr > ADV_TRACE_Ctx.TraceRdPtr)
{
freesize = UTIL_ADV_TRACE_FIFO_SIZE - ADV_TRACE_Ctx.TraceWrPtr + ADV_TRACE_Ctx.TraceRdPtr;
}
else
{
freesize = ADV_TRACE_Ctx.TraceRdPtr - ADV_TRACE_Ctx.TraceWrPtr;
}
#endif
}
if(freesize > Size)
{
*Pos = ADV_TRACE_Ctx.TraceWrPtr;
ADV_TRACE_Ctx.TraceWrPtr = (ADV_TRACE_Ctx.TraceWrPtr + Size) % UTIL_ADV_TRACE_FIFO_SIZE;
ret = 0;
#if defined(UTIL_ADV_TRACE_OVERRUN)
if(ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_EXECUTED)
{
/* clear the over run */
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_NONE;
}
#endif
#ifdef UTIL_ADV_TRACE_UNCHUNK_MODE
UTIL_ADV_TRACE_DEBUG("\n--TRACE_AllocateBufer(%d-%d-%d::%d-%d)--\n", freesize - Size, Size, ADV_TRACE_Ctx.unchunk_enabled, ADV_TRACE_Ctx.TraceRdPtr, ADV_TRACE_Ctx.TraceWrPtr);
#else
UTIL_ADV_TRACE_DEBUG("\n--TRACE_AllocateBufer(%d-%d::%d-%d)--\n",freesize - Size, Size, ADV_TRACE_Ctx.TraceRdPtr, ADV_TRACE_Ctx.TraceWrPtr);
#endif
}
#if defined(UTIL_ADV_TRACE_OVERRUN)
else
{
if((ADV_TRACE_Ctx.OverRunStatus == TRACE_OVERRUN_NONE) && (NULL != ADV_TRACE_Ctx.overrun_func))
{
UTIL_ADV_TRACE_DEBUG(":TRACE_OVERRUN_INDICATION");
ADV_TRACE_Ctx.OverRunStatus = TRACE_OVERRUN_INDICATION;
}
}
#endif
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
return ret;
}
/**
* @brief Lock the trace buffer.
* @retval None.
*/
static void TRACE_Lock(void)
{
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
ADV_TRACE_Ctx.TraceLock++;
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
}
/**
* @brief UnLock the trace buffer.
* @retval None.
*/
static void TRACE_UnLock(void)
{
UTIL_ADV_TRACE_ENTER_CRITICAL_SECTION();
ADV_TRACE_Ctx.TraceLock--;
UTIL_ADV_TRACE_EXIT_CRITICAL_SECTION();
}
/**
* @brief UnLock the trace buffer.
* @retval None.
*/
static uint32_t TRACE_IsLocked(void)
{
return (ADV_TRACE_Ctx.TraceLock == 0u? 0u: 1u);
}
/**
* @}
*/
/**
* @}
*/