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FreeRTOS/FreeRTOS-Plus/Source/FreeRTOS-Plus-Trace/Include/trcISR.h

227 lines
6.3 KiB
C

/*
* Percepio Trace Recorder for Tracealyzer v4.6.0
* Copyright 2021 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
*
* @brief Public trace ISR APIs.
*/
#ifndef TRC_ISR_H
#define TRC_ISR_H
#if (TRC_USE_TRACEALYZER_RECORDER == 1)
#if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
#include <trcTypes.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup trace_isr_apis Trace ISR APIs
* @ingroup trace_recorder_apis
* @{
*/
/**
* @internal Trace ISR Core Info Structure
*/
typedef struct TraceISRCoreInfo
{
TraceISRHandle_t handleStack[TRC_CFG_MAX_ISR_NESTING]; /**< */
int32_t stackIndex; /**< */
int32_t isPendingContextSwitch; /**< */
} TraceISRCoreInfo_t;
/**
* @internal Trace ISR Info Structure
*/
typedef struct TraceISRInfo
{
TraceISRCoreInfo_t coreInfos[TRC_CFG_CORE_COUNT]; /* ISR handles */
} TraceISRInfo_t;
/* We expose this to enable faster access */
extern TraceISRInfo_t* pxTraceISRInfo;
#define TRACE_ISR_INFO_BUFFER_SIZE (sizeof(TraceISRInfo_t))
/**
* @internal Trace ISR Info Buffer
*/
typedef struct TraceISRInfoBuffer
{
uint8_t buffer[(TRACE_ISR_INFO_BUFFER_SIZE)]; /**< */
} TraceISRInfoBuffer_t;
/**
* @internal Initialize ISR trace system.
*
* @param[in] pxBuffer Pointer to memory that will be used by the ISR
* trace system.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISRInitialize(TraceISRInfoBuffer_t *pxBuffer);
/**
* @brief Registers trace ISR.
*
* This routine stores a name and priority level for an Interrupt Service Routine,
* to allow for better visualization. Returns a TraceISRHandle_t used by
* xTraceISRBegin/xTraceISREnd.
*
* Example:
* #define PRIO_OF_ISR_TIMER1 3 // the hardware priority of the interrupt
* TraceISRHandle_t xISRTimer1Handle = 0; // The ID set by the recorder
* ...
* xTraceISRRegister("ISRTimer1", PRIO_OF_ISR_TIMER1, &xISRTimer1Handle);
* ...
* void ISR_handler()
* {
* xTraceISRBegin(xISRTimer1Handle);
* ...
* xTraceISREnd(0);
* }
*
* @param[in] szName Name.
* @param[in] uiPriority Priority.
* @param[out] pxISRHandle Pointer to uninitialized ISR trace handle.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISRRegister(const char* szName, uint32_t uiPriority, TraceISRHandle_t* pxISRHandle);
/**
* @brief Registers the beginning of an Interrupt Service Routine.
*
* This routine register the beginning of an ISR using a TraceISRHandle_t.
* See xTraceISRRegister for and example of using ISR tracing.
*
* @param[in] xISRHandle Pointer to initialized ISR trace handle.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISRBegin(TraceISRHandle_t xISRHandle);
/**
* @brief Registers the end of an Interrupt Service Routine.
*
* This routine register the end of an ISR using a TraceISRHandle_t.
* See xTraceISRRegister for and example of using ISR tracing.
*
* The parameter uxIsTaskSwitchRequired indicates if the interrupt has requested
* a task-switch (= 1), e.g., by signaling a semaphore. Otherwise (= 0) the
* interrupt is assumed to return to the previous context.
*
* @param[in] xIsTaskSwitchRequired Task switch required.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISREnd(TraceBaseType_t xIsTaskSwitchRequired);
#if ((TRC_CFG_USE_TRACE_ASSERT) == 1)
/**
* @brief Gets current trace ISR nesting level.
*
* This routine gets the current trace ISR nesting level for the
* CPU on which it is called.
*
* @param[out] puiValue Value.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISRGetCurrentNesting(int32_t* puiValue);
/**
* @brief
*
* @return int32_t
*/
int32_t xTraceISRGetCurrentNestingReturned(void);
/**
* @brief Gets current ISR trace handle.
*
* @param[out] pxISRHandle ISR Handle.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
traceResult xTraceISRGetCurrent(TraceISRHandle_t* pxISRHandle);
#else /* ((TRC_CFG_USE_TRACE_ASSERT) == 1) */
/**
* @brief Gets current trace ISR nesting level.
*
* This routine gets the current trace ISR nesting level for the
* CPU on which it is called.
*
* @param[out] puiValue Value.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
#define xTraceISRGetCurrentNesting(puiValue) TRC_COMMA_EXPR_TO_STATEMENT_EXPR_2(*(puiValue) = pxTraceISRInfo->coreInfos[TRC_CFG_GET_CURRENT_CORE()].stackIndex, TRC_SUCCESS)
/**
* @brief
*
* @return int32_t
*/
#define xTraceISRGetCurrentNestingReturned() (pxTraceISRInfo->coreInfos[TRC_CFG_GET_CURRENT_CORE()].stackIndex)
/**
* @brief Gets current trace ISR nesting level.
*
* This routine gets the current trace ISR nesting level for the
* CPU on which it is called.
*
* @param[out] puiValue Value.
*
* @retval TRC_FAIL Failure
* @retval TRC_SUCCESS Success
*/
#define xTraceISRGetCurrent(pxISRHandle) (xTraceISRGetCurrentNestingReturned() >= 0 ? (*(pxISRHandle) = pxTraceISRInfo->coreInfos[TRC_CFG_GET_CURRENT_CORE()].handleStack[xTraceISRGetCurrentNestingReturned()], TRC_SUCCESS) : TRC_FAIL)
#endif /* ((TRC_CFG_USE_TRACE_ASSERT) == 1) */
/** @internal Deprecated - Provides backwards-compability with older recorders for now, will be removed in the future */
TraceISRHandle_t xTraceSetISRProperties(const char* szName, uint32_t uiPriority);
/** @internal Deprecated - Provides backwards-compability with older recorders for now, will be removed in the future */
#define xTraceGetCurrentISRNesting(puiValue) xTraceISRGetCurrentNesting(puiValue)
/** @internal Deprecated - Provides backwards-compability with older recorders for now, will be removed in the future */
#define vTraceStoreISRBegin(xISRHandle) xTraceISRBegin(xISRHandle)
/** @internal Deprecated - Provides backwards-compability with older recorders for now, will be removed in the future */
#define vTraceStoreISREnd(xIsTaskSwitchRequired) xTraceISREnd(xIsTaskSwitchRequired)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
#endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
#endif /* TRC_ISR_H */