The same program runs normally on two of the four boards. However, the other two boards cannot open or read or write files normally using the FATFS file system, and return FR_NOT_READY. Has anyone enc...
Basically, Cortex R The kernel only provides two default interrupts: IRQ and FIQ, and after entering the ISR of IR, the CPU will automatically shield all other IRQs. In other words, as long as it is I...
Hello everyone, today I applied for a job in a company (doing wireless embedded systems) as an application engineer. I used to be a software developer, not an application engineer. What exactly does a...
I compiled a very simple c++ program: exam.cpp: class A { public: A(); ~A(); void func(); //virtual void func() private: int m_i; }; A::A () { m_i = 0; } A::~A() {} void A::func() { ++m_i; } int main(...
[i=s] This post was last edited by chenbingjy on 2019-5-22 10:48 [/i]We probably need a circuit like this, where the amplifier amplifies the sensor signal, but sensors come in various models with diff...