May 2020
Intermediate to advanced
496 pages
13h 54m
English
Content preview from Hands-On RTOS with Microcontrollers
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Chapter 10
- Interrupt-driven drivers are more complex because there are at least three pieces of code involved (setup code, ISR code, and callback code). With a polled driver, all of this happens serially.
- False. Only functions ending in FromISR may be called within an ISR.
- False. Interrupts take precedence over the scheduler since the scheduler should be configured to run from the lowest priority interrupt.
- DMA – it uses hardware to transfer data between peripherals and memory, without any CPU intervention.
- Direct Memory Access.
- Attempting to receive data at any point in time is very difficult to do well with a raw buffer. Raw buffers can also become a bit complex when receiving data of unknown length.
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