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
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
#pragma once
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#include "RtosCompatEventGroups.h"
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#include <memory>
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namespace tt {
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/**
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* Wrapper for FreeRTOS xEventGroup.
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*/
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class EventFlag {
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private:
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struct EventGroupHandleDeleter {
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void operator()(EventGroupHandle_t handleToDelete) {
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vEventGroupDelete(handleToDelete);
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}
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};
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std::unique_ptr<std::remove_pointer_t<EventGroupHandle_t>, EventGroupHandleDeleter> handle;
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public:
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EventFlag();
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~EventFlag();
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enum Flag {
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WaitAny = 0x00000000U, ///< Wait for any flag (default).
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WaitAll = 0x00000001U, ///< Wait for all flags.
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NoClear = 0x00000002U, ///< Do not clear flags which have been specified to wait for.
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Error = 0x80000000U, ///< Error indicator.
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ErrorUnknown = 0xFFFFFFFFU, ///< TtStatusError (-1).
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ErrorTimeout = 0xFFFFFFFEU, ///< TtStatusErrorTimeout (-2).
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ErrorResource = 0xFFFFFFFDU, ///< TtStatusErrorResource (-3).
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ErrorParameter = 0xFFFFFFFCU, ///< TtStatusErrorParameter (-4).
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ErrorISR = 0xFFFFFFFAU, ///< TtStatusErrorISR (-6).
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};
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/** Set the bitmask for 1 or more flags that we might be waiting for */
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uint32_t set(uint32_t flags) const;
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/** Clear the specified flags */
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uint32_t clear(uint32_t flags) const;
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/** Get the currently set flags */
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uint32_t get() const;
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/** Await for flags to be set
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* @param[in] flags the bitmask of the flags that we want to wait for
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* @param[in] options the trigger behaviour: WaitAny, WaitAll, NoClear (NoClear can be combined with either WaitAny or WaitAll)
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* @param[in] timeoutTicks the maximum amount of ticks to wait
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*/
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uint32_t wait(
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uint32_t flags,
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uint32_t options = WaitAny,
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uint32_t timeoutTicks = (uint32_t)portMAX_DELAY
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) const;
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};
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} // namespace
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