Category : interrupt

I have an assignment to write a c++ code to print all interrupts in Linux os. But I don’t know how to do this. Is there any file in the Linux system files that have all interrupts? If not, can anybody help me how to get interrupts’ names in Linux? Source: Windows Que..

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I’m getting a simple error because I read a document (https://gcc.gnu.org/onlinedocs/gcc/x86-Function-Attributes.html#x86-Function-Attributes) and wanted to do things properly. In this document is stated that: An interrupt handler must be declared with a mandatory pointer argument: struct interrupt_frame; __attribute__ ((interrupt)) void f (struct interrupt_frame *frame) { } and you must define struct interrupt_frame as described in the ..

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I want to be able to modify a non-atomic variable in interrupt context or application context without ever blocking. To prevent the ISR from blocking, I use an atomic flag to guard the non-atomic data. #include <atomic> #include <cstdint> using CountLock = std::atomic<bool>; static_assert(CountLock::is_always_lock_free, "count lock must be lock free"); #define TARGET_COUNT (1000) CountLock count_locked{false}; ..

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I’m am writing a project where the data are coming in from UART, A&B input from an encoder, and some output pins to output signals. I have checked and ensured both UART and Encoder input/output signal work fine separately. However, I have noticed the interrupt "void USART1_IRQHandler(void)" will trigger when the AB signal from the ..

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