2021-01-09 13:10:37 +00:00
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/****************************************************************************
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2021-01-09 13:18:39 +00:00
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* Copyright 2021 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
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2021-01-09 13:10:37 +00:00
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* *
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* Licensed under the Apache License, Version 2.0 (the "License"); *
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* you may not use this file except in compliance with the License. *
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* You may obtain a copy of the License at *
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* *
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* http://www.apache.org/licenses/LICENSE-2.0 *
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* *
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* Unless required by applicable law or agreed to in writing, software *
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* distributed under the License is distributed on an "AS IS" BASIS, *
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
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* See the License for the specific language governing permissions and *
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* limitations under the License. *
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* *
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****************************************************************************/
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#ifndef __PERFORMANCE_COUNTER_H__
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#define __PERFORMANCE_COUNTER_H__
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/*============================ INCLUDES ======================================*/
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#include <stdbool.h>
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#include <stdint.h>
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/*============================ MACROS ========================================*/
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#define __PLOOC_VA_NUM_ARGS_IMPL( _0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12, \
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_13,_14,_15,_16,__N,...) __N
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#define __PLOOC_VA_NUM_ARGS(...) \
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__PLOOC_VA_NUM_ARGS_IMPL( 0,##__VA_ARGS__,16,15,14,13,12,11,10,9, \
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8,7,6,5,4,3,2,1,0)
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#define __CONNECT2(__A, __B) __A##__B
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#define __CONNECT3(__A, __B, __C) __A##__B##__C
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#define __CONNECT4(__A, __B, __C, __D) __A##__B##__C##__D
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#define __CONNECT5(__A, __B, __C, __D, __E) __A##__B##__C##__D##__E
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#define __CONNECT6(__A, __B, __C, __D, __E, __F) __A##__B##__C##__D##__E##__F
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#define __CONNECT7(__A, __B, __C, __D, __E, __F, __G) \
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__A##__B##__C##__D##__E##__F##__G
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#define __CONNECT8(__A, __B, __C, __D, __E, __F, __G, __H) \
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__A##__B##__C##__D##__E##__F##__G##__H
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#define __CONNECT9(__A, __B, __C, __D, __E, __F, __G, __H, __I) \
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__A##__B##__C##__D##__E##__F##__G##__H##__I
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#define CONNECT2(__A, __B) __CONNECT2(__A, __B)
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#define CONNECT3(__A, __B, __C) __CONNECT3(__A, __B, __C)
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#define CONNECT4(__A, __B, __C, __D) __CONNECT4(__A, __B, __C, __D)
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#define CONNECT5(__A, __B, __C, __D, __E) __CONNECT5(__A, __B, __C, __D, __E)
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#define CONNECT6(__A, __B, __C, __D, __E, __F) \
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__CONNECT6(__A, __B, __C, __D, __E, __F)
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#define CONNECT7(__A, __B, __C, __D, __E, __F, __G) \
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__CONNECT7(__A, __B, __C, __D, __E, __F, __G)
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#define CONNECT8(__A, __B, __C, __D, __E, __F, __G, __H) \
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__CONNECT8(__A, __B, __C, __D, __E, __F, __G, __H)
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#define CONNECT9(__A, __B, __C, __D, __E, __F, __G, __H, __I) \
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__CONNECT9(__A, __B, __C, __D, __E, __F, __G, __H, __I)
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#define CONNECT(...) \
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CONNECT2(CONNECT, __PLOOC_VA_NUM_ARGS(__VA_ARGS__))(__VA_ARGS__)
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#define __using1(__declare) \
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for (__declare, *CONNECT3(__using_, __LINE__,_ptr) = NULL; \
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CONNECT3(__using_, __LINE__,_ptr)++ == NULL; \
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)
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#define __using2(__declare, __on_leave_expr) \
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for (__declare, *CONNECT3(__using_, __LINE__,_ptr) = NULL; \
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CONNECT3(__using_, __LINE__,_ptr)++ == NULL; \
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__on_leave_expr \
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)
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#define __using3(__declare, __on_enter_expr, __on_leave_expr) \
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for (__declare, *CONNECT3(__using_, __LINE__,_ptr) = NULL; \
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CONNECT3(__using_, __LINE__,_ptr)++ == NULL ? \
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((__on_enter_expr),1) : 0; \
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__on_leave_expr \
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)
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#define __using4(__dcl1, __dcl2, __on_enter_expr, __on_leave_expr) \
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for (__dcl1, __dcl2, *CONNECT3(__using_, __LINE__,_ptr) = NULL; \
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CONNECT3(__using_, __LINE__,_ptr)++ == NULL ? \
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((__on_enter_expr),1) : 0; \
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__on_leave_expr \
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)
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#define using(...) \
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CONNECT2(__using, __PLOOC_VA_NUM_ARGS(__VA_ARGS__))(__VA_ARGS__)
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#define safe_atom_code() \
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using( uint32_t CONNECT2(temp,__LINE__) = __disable_irq(), \
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__set_PRIMASK(CONNECT2(temp,__LINE__)))
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#define __with2(__type, __addr) \
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using(__type *_p=(__addr))
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#define __with3(__type, __addr, __item) \
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using(__type *_p=(__addr), *__item = _p, _p=_p, )
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#define with(...) \
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CONNECT2(__with, __PLOOC_VA_NUM_ARGS(__VA_ARGS__))(__VA_ARGS__)
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#undef _
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#define _ (*_p)
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#ifndef dimof
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# define dimof(__array) (sizeof(__array)/sizeof(__array[0]))
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#endif
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#define foreach2(__type, __array) \
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using(__type *_p = __array) \
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for ( uint_fast32_t CONNECT2(count,__LINE__) = dimof(__array); \
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CONNECT2(count,__LINE__) > 0; \
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_p++, CONNECT2(count,__LINE__)-- \
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)
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#define foreach3(__type, __array, __item) \
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using(__type *_p = __array, *__item = _p, _p = _p, ) \
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for ( uint_fast32_t CONNECT2(count,__LINE__) = dimof(__array); \
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CONNECT2(count,__LINE__) > 0; \
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_p++, __item = _p, CONNECT2(count,__LINE__)-- \
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)
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#define foreach(...) \
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CONNECT2(foreach, __PLOOC_VA_NUM_ARGS(__VA_ARGS__))(__VA_ARGS__)
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#ifndef safe_atom_code
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# define safe_atom_code() \
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using( uint32_t CONNECT2(temp,__LINE__) = __disable_irq(), \
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__set_PRIMASK(CONNECT2(temp,__LINE__)))
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#endif
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/*============================ MACROFIED FUNCTIONS ===========================*/
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#define __cycleof__(__STR) \
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for (int32_t nCycles = 0, \
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CONNECT2(__cycle_count_s_, __LINE__) = 1; \
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CONNECT2(__cycle_count_s_, __LINE__)-- ? \
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(start_cycle_counter(),1) : \
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( \
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printf( "\r\n-[Cycle Report]" \
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"--------------------------------------------\r\n" \
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__STR \
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" total cycle count: %d [%08x]\r\n", nCycles, nCycles) \
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,0); \
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nCycles = stop_cycle_counter() \
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)
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/*============================ TYPES =========================================*/
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/*============================ GLOBAL VARIABLES ==============================*/
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/*============================ LOCAL VARIABLES ===============================*/
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/*============================ PROTOTYPES ====================================*/
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/* Function: initialise cycle counter service
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* and don't forget to tell the function whether the systick is already
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* used by user applications.
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* Don't worry, this cycle counter service won't affect your existing
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* systick service.
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*/
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extern void init_cycle_counter(bool bSysTickIsOccupied);
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/* Function : start_time
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This function will be called right before starting the timed portion of the benchmark.
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Implementation may be capturing a system timer (as implemented in the example code)
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or zeroing some system parameters - e.g. setting the cpu clocks cycles to 0.
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*/
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extern void start_cycle_counter(void);
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/* Function : stop_time
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This function will be called right after ending the timed portion of the benchmark.
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Implementation may be capturing a system timer (as implemented in the example code)
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or other system parameters - e.g. reading the current value of cpu cycles counter.
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*/
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extern int32_t stop_cycle_counter(void);
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/* Function : delay specified us with the help from systick
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*/
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extern void delay_us(int32_t iUs);
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#endif
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