c1f55429b6
- Cleanup unused code and move ISR/IRQ checks to `Kernel.h` - Improve clang-format - Fix for LVGL lock transfer: ensure lock isn't activate when changing the lock - Implement SPI HAL - Remove `initHardware` HAL configuration entry - Fix `I2cScanner`: don't scan when port isn't started
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
#include "Tactility/Mutex.h"
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#include "Tactility/Check.h"
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#include "Tactility/CoreDefines.h"
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#include "Tactility/Log.h"
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namespace tt {
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#define MUTEX_DEBUGGING false
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#if MUTEX_DEBUGGING
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#define TAG "mutex"
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void tt_mutex_info(Mutex mutex, const char* label) {
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MutexData* data = (MutexData*)mutex;
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if (data == NULL) {
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TT_LOG_I(TAG, "mutex %s: is NULL", label);
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} else {
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TT_LOG_I(TAG, "mutex %s: handle=%0X type=%d owner=%0x", label, data->handle, data->type, tt_mutex_get_owner(mutex));
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}
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}
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#else
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#define tt_mutex_info(mutex, text)
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#endif
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static inline SemaphoreHandle_t createSemaphoreHandle(Mutex::Type type) {
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switch (type) {
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case Mutex::Type::Normal:
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return xSemaphoreCreateMutex();
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case Mutex::Type::Recursive:
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return xSemaphoreCreateRecursiveMutex();
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default:
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tt_crash("Mutex type unknown/corrupted");
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}
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}
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Mutex::Mutex(Type type) : handle(createSemaphoreHandle(type)), type(type) {
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tt_mutex_info(data, "alloc");
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assert(handle != nullptr);
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}
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bool Mutex::lock(TickType_t timeout) const {
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assert(!kernel::isIsr());
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assert(handle != nullptr);
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tt_mutex_info(mutex, "acquire");
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switch (type) {
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case Type::Normal:
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return xSemaphoreTake(handle.get(), timeout) == pdPASS;
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case Type::Recursive:
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return xSemaphoreTakeRecursive(handle.get(), timeout) == pdPASS;
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default:
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tt_crash();
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}
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}
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bool Mutex::unlock() const {
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assert(!kernel::isIsr());
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assert(handle != nullptr);
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tt_mutex_info(mutex, "release");
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switch (type) {
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case Type::Normal:
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return xSemaphoreGive(handle.get()) == pdPASS;
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case Type::Recursive:
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return xSemaphoreGiveRecursive(handle.get()) == pdPASS;
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default:
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tt_crash();
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}
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}
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ThreadId Mutex::getOwner() const {
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assert(!kernel::isIsr());
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assert(handle != nullptr);
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return (ThreadId)xSemaphoreGetMutexHolder(handle.get());
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}
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} // namespace
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