What are Interrupt Service Routines (ISR)? What constraints apply to C++ code in an ISR?
What are Interrupt Service Routines (ISR)? What constraints apply to C++ code in an ISR?
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: medium
标签: interviewbit, cpp, topic-specific, c++, systems
参考答案摘要
An Interrupt Service Routine (ISR) is a function that executes automatically in response to a hardware interrupt. Interrupts can come from timers, UART, GPIO, ADC, or other peripherals. When an interr...
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