scopedirqblocker.h

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#pragma once
 
#include <stdint.h>
 
#ifndef UNIT_TEST // provide dummy implementation for unit tests
extern "C"
{
#include <cmsis_gcc.h>
}
 
namespace daisy
{
class ScopedIrqBlocker
{
  public:
    ScopedIrqBlocker()
    {
        prim_ = __get_PRIMASK();
        __disable_irq();
    }
 
    ~ScopedIrqBlocker()
    {
        if(!prim_)
            __enable_irq();
    }
 
  private:
    uint32_t prim_;
};
} // namespace daisy
 
#else // ifndef UNIT_TEST
 
namespace daisy
{
class ScopedIrqBlocker
{
  public:
    ScopedIrqBlocker(){};
    ~ScopedIrqBlocker() = default;
};
} // namespace daisy
 
#endif