10 Drivers and ISRs
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Interacting with MCU peripherals is extremely important in many applications. In this chapter we'll discuss several ways of implementing drivers for MCU peripherals. Up to this point, we've been using blinking LEDs as a means of interacting with our dev-board. This is about to change. We'll now focus on creating drivers for UARTs (universal asynchronous receiver/transmitter). UARTs are a widely-used communication peripheral.We'll start by exploring a UART peripheral on our MCU, and we’ll implement an extremely simple driver for it inside a task. The driver uses ...
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