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