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106 lines
2.2 KiB
C++
106 lines
2.2 KiB
C++
/**
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* @file
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* @brief Implementation of system events.
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*/
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#ifndef STA_TACOS_SYSTEM_EVENTS_HPP
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#define STA_TACOS_SYSTEM_EVENTS_HPP
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/**
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* @defgroup STA_RTOS_SysEvent System Events
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* @ingroup STA_RTOS_API
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* @brief System events.
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*
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* Check @ref STA_RTOS_BuildConfig for configuration options.
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*/
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#include <cstdint>
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#include <cmsis_os2.h>
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// Custom event flags for the user (bits 0-13).
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//
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/**
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* @brief Macro for the flag of the kth custom event.
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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#define STA_TACOS_CUSTOM_EVENT(k) (0x1U << k)
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// A mask representing all custom flags available for the user.
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#define STA_TACOS_CUSTOM_EVENT_MASK (0x7FFFU)
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// System event flags
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//
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/**
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* @brief Startup system event flag (bits 14-23).
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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#define STA_TACOS_SYSTEM_EVENTS_STARTUP (0x01U << 23)
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// System event flags for different tick frequencies.
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#define STA_TACOS_TICK_100_Hz (0x01U << 22)
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#define STA_TACOS_TICK_50_Hz (0x01U << 21)
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#define STA_TACOS_TOCK_50_Hz (0x01U << 20)
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#define STA_TACOS_TICK_20_Hz (0x01U << 19)
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#define STA_TACOS_TICK_10_Hz (0x01U << 18)
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#define STA_TACOS_TOCK_10_Hz (0x01U << 17)
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#define STA_TACOS_TICK_1_Hz (0x01U << 16)
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#define STA_TACOS_TOCK_1_Hz (0x01U << 15)
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namespace sta
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{
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namespace tacos
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{
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namespace events
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{
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/**
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* @brief Initialize system events.
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*/
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void init();
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/**
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* @brief Signal system events. The flag is immediately cleared afterwards.
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*
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* @param flags System event flags
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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void signal(uint32_t flags);
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/**
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* @brief Wait for system events.
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*
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* @param flags System event flags
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* @param timeout Wait timeout (0 = instant, osWaitForever = infinite)
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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void wait(uint32_t flags, uint32_t timeout = osWaitForever);
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/**
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* @brief Signal startup system event.
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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void signalStartup();
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/**
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* @brief Wait for startup system event.
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*
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* Blocking while waiting
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*
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* @ingroup STA_RTOS_SysEvent
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*/
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void waitForStartup();
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} // namespace events
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} // namespace tacos
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} // namespace sta
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#endif // STA_RTOS_SYSTEM_EVENTS_HPP
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