mirror of
https://github.com/esp8266/Arduino.git
synced 2025-04-25 20:02:37 +03:00
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#ifndef INTERRUPTS_H
|
|
#define INTERRUPTS_H
|
|
|
|
#include <Arduino.h>
|
|
|
|
// these auto classes wrap up xt_rsil so your code can be simplier, but can only be
|
|
// used in an ino or cpp files.
|
|
|
|
// InterruptLock is used when you want to completely disable interrupts
|
|
//{
|
|
// {
|
|
// InterruptLock lock;
|
|
// // do work within interrupt lock here
|
|
// }
|
|
// do work outside of interrupt lock here outside its scope
|
|
//}
|
|
//
|
|
|
|
namespace esp8266
|
|
{
|
|
|
|
class InterruptLock {
|
|
public:
|
|
InterruptLock() {
|
|
_state = xt_rsil(15);
|
|
}
|
|
|
|
~InterruptLock() {
|
|
xt_wsr_ps(_state);
|
|
}
|
|
|
|
uint32_t savedInterruptLevel() const {
|
|
return _state & 0x0f;
|
|
}
|
|
|
|
protected:
|
|
uint32_t _state;
|
|
};
|
|
|
|
// AutoInterruptLock is when you need to set a specific level, A normal use pattern is like
|
|
//
|
|
//{
|
|
// {
|
|
// AutoInterruptLock(1); // this routine will allow level 2 and above
|
|
// // do work within interrupt lock here
|
|
// }
|
|
// do work outside of interrupt lock here outside its scope
|
|
//}
|
|
//
|
|
#define AutoInterruptLock(intrLevel) \
|
|
class _AutoDisableIntr { \
|
|
public: \
|
|
_AutoDisableIntr() { _savedPS = xt_rsil(intrLevel); } \
|
|
~_AutoDisableIntr() { xt_wsr_ps(_savedPS); } \
|
|
private: \
|
|
uint32_t _savedPS; \
|
|
}; \
|
|
_AutoDisableIntr _autoDisableIntr
|
|
|
|
} // esp8266
|
|
|
|
#endif //INTERRUPTS_H
|