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2874b22d6c
* `Lock`: trivial wrapper for FreeRTOS binary semaphores * `LockGuard`: RAII wrapper for using `Lock` * `printThreadInfo`: helper for showing which core/FreeRTOS task we are running under
36 lines
455 B
C++
36 lines
455 B
C++
#include "lock.h"
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#include <cassert>
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namespace meshtastic
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{
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Lock::Lock()
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{
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handle = xSemaphoreCreateBinary();
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assert(handle);
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assert(xSemaphoreGive(handle));
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}
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void Lock::lock()
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{
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assert(xSemaphoreTake(handle, portMAX_DELAY));
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}
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void Lock::unlock()
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{
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assert(xSemaphoreGive(handle));
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}
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LockGuard::LockGuard(Lock *lock) : lock(lock)
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{
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lock->lock();
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}
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LockGuard::~LockGuard()
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{
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lock->unlock();
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}
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} // namespace meshtastic
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