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preparation Download the RT thread nano source code: https://github.com/RT-Thread/rtthread-nano/archive/refs/heads/master.zip. The latest version is 3.15 (written on March 1, 2022)New bare metal Keil project of GD32F10x series This article has been described very clearly, so I won't repeat it. Of course, you can find a keil project that can r ...

RT thread version: 4.0.5 MCU model: STM32F103RCT6 (ARM Cortex-M3 core) introduction stay Program memory distribution It is explained that the space from the end address of ZI segment to the tail of RAM memory is RTT dynamic memory heap. This paper mainly describes the RT thread dynamic memory heap management algorithm, analyzes the ...

RT-Thread version: 4.0.5 MCU model: STM32F103RCT6 (ARM Cortex-M3 kernel) 1 Synchronization and Mutual Exclusion First add a few concepts: Execution Unit: Determined by the current hardware platform and the operating system it runs. For RT-Thread and STM32, the execution units are threads and interruptsCritical Zone: Multiple execut ...

   Reference documents (domestic): DFS reference documentation Reference documents (domestic): EasyFlash reference documentation    1, DFS overview    DFS is a virtual file system component provided by RT thread. Its full name is Device File System, that is, device virtual file system.   for detailed description, please refer ...

The unexamined life is not worth living. Life without examination is not worth living. – Socrates 1, Principle overview RT thread is not only an embedded real-time operating system (RTOS), but also an excellent Internet of things operating system. Compared with the bare metal polling scheduling algorithm, its thread (task) scheduling ...

1. rt_system_signal_init source int rt_system_signal_init(void) { _rt_siginfo_pool = rt_mp_create("signal", RT_SIG_INFO_MAX, sizeof(struct siginfo_node)); if (_rt_siginfo_pool == RT_NULL) { dbg_log(DBG_ERROR, "create memory pool for signal info failed.\n"); RT_ASSERT(0); } return 0; } 2. rt_system_signal_ ...