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(008) CubeIDE Implementation of USB Peripherals*
(018) C99 pointer*
(019) C99 With only value assignment*
(022) POSIX pthread multi-threads mutex*
(023) POSIX pthread multi-threads programming*
(027) C99 time and wait*
(028) High-precision calculation with GMP*
(029) Web Service Lib*
(030) International Components for Unicode (ICU)*
(031) Performance of C is higher than C++, because...*
🕹️(017) FreeRTOS interrupt call in privilege mode
FreeRTOS中断处理函数运行在ARM的特权级模式,可以访问所有寄存器,注意:用的是主栈,所以,不要在中断处理函数中运行计算量过大的程序。 handler永远是特权级的模式,可以访问所有寄存器,但要注意:使用的是主栈,不要运行计算量过大的程序。