75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#ifndef CORTEXMMCUINSTRUMENTATION_HPP
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#define CORTEXMMCUINSTRUMENTATION_HPP
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#include <platform/core/MCUInstrumentation.hpp>
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#include <stdint.h>
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namespace touchgfx
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{
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/**
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* @class CortexMMCUInstrumentation CortexMMCUInstrumentation.hpp platform/core/arm/cortex-m/CortexMMCUInstrumentation.hpp
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*
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* @brief Interface for instrumenting Cortex-M processors to measure MCU load via measured CPU
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* cycles.
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*
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* Interface for instrumenting Cortex-M processors to measure MCU load via measured CPU
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* cycles.
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*
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* @sa MCUInstrumentation
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*/
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class CortexMMCUInstrumentation : public MCUInstrumentation
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{
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public:
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/**
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* @fn virtual void CortexMMCUInstrumentation::init();
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*
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* @brief Initialization.
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*
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* Initialization.
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*/
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virtual void init();
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/**
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* @fn virtual unsigned int CortexMMCUInstrumentation::getElapsedUS(unsigned int start, unsigned int now, unsigned int clockfrequency);
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*
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* @brief Gets elapsed microseconds basedon clockfrequency.
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*
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* Gets elapsed microseconds basedon clockfrequency.
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*
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* @param start Start time.
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* @param now Current time.
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* @param clockfrequency Clock frequency of the system.
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*
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* @return Elapsed microseconds start and now.
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*/
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virtual unsigned int getElapsedUS(unsigned int start, unsigned int now, unsigned int clockfrequency);
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/**
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* @fn virtual unsigned int CortexMMCUInstrumentation::getCPUCycles();
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*
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* @brief Gets CPU cycles from register.
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*
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* Gets CPU cycles from register.
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*
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* @return CPU cycles.
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*/
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virtual unsigned int getCPUCycles();
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/**
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* @fn virtual void CortexMMCUInstrumentation::setMCUActive(bool active);
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*
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* @brief Register if MCU is active by measuring cpu cycles.
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*
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* Register if MCU is active by measuring cpu cycles. If user wishes to track
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* MCU load, this method should be called whenever the OS Idle task is scheduled
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* in or out. This method makes calls to a concrete implementation of GPIO
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* functionality and a concrete implementation of cpu cycles.
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*
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* @param active If true, MCU is registered as being active, inactive otherwise.
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*/
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virtual void setMCUActive(bool active);
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};
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} // namespace touchgfx
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#endif // CORTEXMMCUINSTRUMENTATION_HPP
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