Improved thread safety #885
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- ESP32-S3 buffer mutex implementation for testing
- prevent ATOMIC reentrance - fixed global isr enable/disable macros for ESP32
Paciente8159
added
HAL: multi platform
- fixed macro buffer - modified macro __ATOMIC__ and __ATOMIC_FORCEON__ to respect GCC naming conventions - atomic operation macros now use GCC extension __typeof__
- Renamed ATOMIC to avoid conflicts with AVR - RP2040 now uses SDK queue always - modified disable/enable/get on ARM processors
- new buffer non blocking (try and continue) enqueue/dequeue
New buffer try operations
- buffer now holds void pointer for data - default index unit is now uint32
- added ISR context aware macros - fixed mutex to make proper use of atomic compare and set macros - prevent mutex release from the incorrect context - new cnc_yield macro - modified several AVR ISR to NOBLOCK - added ISR context aware to ARM MCU specific ISR calls
- Fixed WiFi on ESP32 chips (errors caused by the INI file)
- added option to run modules loop task in it's own custom low priority thread (RTOS systems)
- redesigned mutex macros similar concurrency support in C11 - modified soft spi locking (not required to explicitly lock on module)
- added new compatibility level that changes the main loop logic to improve Grbl compatibility. - fixed NVM read address limits and startup blocks reading limits - fixed DEBUG_STREAM build error - removed RTC event
- renamed mutex to binary semaphore to reflect more accurately the type of resource it implements
- added ENABLE_ITP_FEED_TASK enable if ENABLE_MAIN_LOOP_MODULES is set
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Modified circular buffer design to support lock-free atomic operations.
Modified buffer logic to be Multi Produce Multi Consumer safe (can be safely used in (loop, thread, isr contexts).