The nrf52832 is quite a competent System on Chip. Even with the long list of errata for the preview release this chip packs a punch.
I've been playing around with this chip for sometime now and have made Github repository for anyone looking to get started. It has a BSD license, so feel free to use it.
Do checkout the UARTE driver Tx implementation, it is specifically done to use the EASYDMA feature to work with a low footprint implementation of printf. It uses a ping-pong buffer concept for this. And unlike the deep levels of abstraction in the nrf52 SDK, it is easier to understand. In another post I'll share my experience with working with the UARTE peripheral.
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