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perfc_port_default.c
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perfc_port_default.c
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/****************************************************************************
* Copyright 2024 Gorgon Meducer (Email:embedded_zhuoran@hotmail.com) *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
****************************************************************************/
/*============================ INCLUDES ======================================*/
#undef __PERF_COUNT_PLATFORM_SPECIFIC_HEADER__
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include "cmsis_compiler.h"
#define __IMPLEMENT_PERF_COUNTER
#include "perf_counter.h"
#if defined(__IS_COMPILER_GCC__)
# pragma GCC diagnostic ignored "-Wattributes"
#endif
#if defined(__clang__)
# pragma clang diagnostic ignored "-Wunknown-warning-option"
# pragma clang diagnostic ignored "-Wreserved-identifier"
# pragma clang diagnostic ignored "-Wconditional-uninitialized"
# pragma clang diagnostic ignored "-Wcast-align"
# pragma clang diagnostic ignored "-Wmissing-prototypes"
#endif
/*============================ MACROS ========================================*/
/* IO definitions (access restrictions to peripheral registers) */
#ifdef __cplusplus
#define __I volatile /*!< Defines 'read only' permissions */
#else
#define __I volatile const /*!< Defines 'read only' permissions */
#endif
#define __O volatile /*!< Defines 'write only' permissions */
#define __IO volatile /*!< Defines 'read / write' permissions */
/* following defines should be used for structure members */
#define __IM volatile const /*! Defines 'read only' structure member permissions */
#define __OM volatile /*! Defines 'write only' structure member permissions */
#define __IOM volatile /*! Defines 'read / write' structure member permissions */
/* Memory mapping of Core Hardware */
#define SCS_BASE (0xE000E000UL) /*!< System Control Space Base Address */
#define SysTick_BASE (SCS_BASE + 0x0010UL) /*!< SysTick Base Address */
#define SCB_BASE (SCS_BASE + 0x0D00UL) /*!< System Control Block Base Address */
#define SysTick ((SysTick_Type *) SysTick_BASE ) /*!< SysTick configuration struct */
#define SCB ((SCB_Type *) SCB_BASE ) /*!< SCB configuration struct */
/* SysTick Control / Status Register Definitions */
#define SysTick_CTRL_COUNTFLAG_Pos 16U /*!< SysTick CTRL: COUNTFLAG Position */
#define SysTick_CTRL_COUNTFLAG_Msk (1UL << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
#define SysTick_CTRL_CLKSOURCE_Pos 2U /*!< SysTick CTRL: CLKSOURCE Position */
#define SysTick_CTRL_CLKSOURCE_Msk (1UL << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
#define SysTick_CTRL_TICKINT_Pos 1U /*!< SysTick CTRL: TICKINT Position */
#define SysTick_CTRL_TICKINT_Msk (1UL << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
#define SysTick_CTRL_ENABLE_Pos 0U /*!< SysTick CTRL: ENABLE Position */
#define SysTick_CTRL_ENABLE_Msk (1UL /*<< SysTick_CTRL_ENABLE_Pos*/) /*!< SysTick CTRL: ENABLE Mask */
/* SysTick Reload Register Definitions */
#define SysTick_LOAD_RELOAD_Pos 0U /*!< SysTick LOAD: RELOAD Position */
#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFUL /*<< SysTick_LOAD_RELOAD_Pos*/) /*!< SysTick LOAD: RELOAD Mask */
/* SysTick Current Register Definitions */
#define SysTick_VAL_CURRENT_Pos 0U /*!< SysTick VAL: CURRENT Position */
#define SysTick_VAL_CURRENT_Msk (0xFFFFFFUL /*<< SysTick_VAL_CURRENT_Pos*/) /*!< SysTick VAL: CURRENT Mask */
/* SysTick Calibration Register Definitions */
#define SysTick_CALIB_NOREF_Pos 31U /*!< SysTick CALIB: NOREF Position */
#define SysTick_CALIB_NOREF_Msk (1UL << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
#define SysTick_CALIB_SKEW_Pos 30U /*!< SysTick CALIB: SKEW Position */
#define SysTick_CALIB_SKEW_Msk (1UL << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
#define SysTick_CALIB_TENMS_Pos 0U /*!< SysTick CALIB: TENMS Position */
#define SysTick_CALIB_TENMS_Msk (0xFFFFFFUL /*<< SysTick_CALIB_TENMS_Pos*/) /*!< SysTick CALIB: TENMS Mask */
/*@} end of group CMSIS_SysTick */
#define SCB_ICSR_PENDSTCLR_Pos 25U /*!< SCB ICSR: PENDSTCLR Position */
#define SCB_ICSR_PENDSTCLR_Msk (1UL << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
#define SCB_ICSR_PENDSTSET_Pos 26U /*!< SCB ICSR: PENDSTSET Position */
#define SCB_ICSR_PENDSTSET_Msk (1UL << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
#ifndef __PERFC_CFG_DISABLE_DEFAULT_SYSTICK_PORTING__
# define __PERFC_CFG_DISABLE_DEFAULT_SYSTICK_PORTING__ 0
#endif
/*============================ MACROFIED FUNCTIONS ===========================*/
/*============================ TYPES =========================================*/
/*!
\brief Structure type to access the System Timer (SysTick).
*/
typedef struct
{
__IOM uint32_t CTRL; /*!< Offset: 0x000 (R/W) SysTick Control and Status Register */
__IOM uint32_t LOAD; /*!< Offset: 0x004 (R/W) SysTick Reload Value Register */
__IOM uint32_t VAL; /*!< Offset: 0x008 (R/W) SysTick Current Value Register */
__IM uint32_t CALIB; /*!< Offset: 0x00C (R/ ) SysTick Calibration Register */
} SysTick_Type;
/*!
\brief Structure type to access the System Control Block (SCB).
*/
typedef struct
{
__IM uint32_t CPUID; /*!< Offset: 0x000 (R/ ) CPUID Base Register */
__IOM uint32_t ICSR; /*!< Offset: 0x004 (R/W) Interrupt Control and State Register */
__IOM uint32_t VTOR; /*!< Offset: 0x008 (R/W) Vector Table Offset Register */
__IOM uint32_t AIRCR; /*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register */
__IOM uint32_t SCR; /*!< Offset: 0x010 (R/W) System Control Register */
__IOM uint32_t CCR; /*!< Offset: 0x014 (R/W) Configuration Control Register */
__IOM uint8_t SHP[12U]; /*!< Offset: 0x018 (R/W) System Handlers Priority Registers (4-7, 8-11, 12-15) */
__IOM uint32_t SHCSR; /*!< Offset: 0x024 (R/W) System Handler Control and State Register */
__IOM uint32_t CFSR; /*!< Offset: 0x028 (R/W) Configurable Fault Status Register */
__IOM uint32_t HFSR; /*!< Offset: 0x02C (R/W) HardFault Status Register */
__IOM uint32_t DFSR; /*!< Offset: 0x030 (R/W) Debug Fault Status Register */
__IOM uint32_t MMFAR; /*!< Offset: 0x034 (R/W) MemManage Fault Address Register */
__IOM uint32_t BFAR; /*!< Offset: 0x038 (R/W) BusFault Address Register */
__IOM uint32_t AFSR; /*!< Offset: 0x03C (R/W) Auxiliary Fault Status Register */
__IM uint32_t PFR[2U]; /*!< Offset: 0x040 (R/ ) Processor Feature Register */
__IM uint32_t DFR; /*!< Offset: 0x048 (R/ ) Debug Feature Register */
__IM uint32_t ADR; /*!< Offset: 0x04C (R/ ) Auxiliary Feature Register */
__IM uint32_t MMFR[4U]; /*!< Offset: 0x050 (R/ ) Memory Model Feature Register */
__IM uint32_t ISAR[5U]; /*!< Offset: 0x060 (R/ ) Instruction Set Attributes Register */
uint32_t RESERVED0[5U];
__IOM uint32_t CPACR; /*!< Offset: 0x088 (R/W) Coprocessor Access Control Register */
} SCB_Type;
/*============================ GLOBAL VARIABLES ==============================*/
extern uint32_t SystemCoreClock;
/*============================ LOCAL VARIABLES ===============================*/
/*============================ PROTOTYPES ====================================*/
/*============================ IMPLEMENTATION ================================*/
/*============================ INCLUDES ======================================*/
#if !__PERFC_CFG_DISABLE_DEFAULT_SYSTICK_PORTING__
__WEAK
bool perfc_port_init_system_timer(bool bTimerOccupied)
{
do {
if (bTimerOccupied) {
break;
}
__IRQ_SAFE {
SysTick->CTRL = 0;
SysTick->LOAD = SysTick_LOAD_RELOAD_Msk; /* set reload register */
//NVIC_SetPriority (SysTick_IRQn, (1UL << __NVIC_PRIO_BITS) - 1UL); /* set Priority for Systick Interrupt */
SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_TICKINT_Msk |
SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
//SCB->ICSR = SCB_ICSR_PENDSTCLR_Msk;
}
} while(0);
return true;
}
__WEAK
uint32_t perfc_port_get_system_timer_freq(void)
{
return SystemCoreClock;
}
__WEAK
bool perfc_port_is_system_timer_ovf_pending(void)
{
return SCB->ICSR & SCB_ICSR_PENDSTSET_Msk;
}
__WEAK
int64_t perfc_port_get_system_timer_top(void)
{
return SysTick->LOAD;
}
__WEAK
int64_t perfc_port_get_system_timer_elapsed(void)
{
return (int64_t)SysTick->LOAD - (uint32_t)SysTick->VAL;
}
__WEAK
void perfc_port_clear_system_timer_ovf_pending(void)
{
SCB->ICSR = SCB_ICSR_PENDSTCLR_Msk;
}
__WEAK
void perfc_port_stop_system_timer_counting(void)
{
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
}
__WEAK
void perfc_port_clear_system_timer_counter(void)
{
SysTick->VAL = 0UL;
}
#endif