sandeepmistry/arduino-nRF5

nRF52 ADC voltage reference and input gain

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#158 opened on May 8, 2017

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Description

PR #152 updated the internal reference and prescaler for the nRF51 ADC. The nRF52 should follow a similar approach and change its default state to use Vdd/4 as reference and a gain of 1/4 as to configure the ADC input range to be from 0v to Vdd.

Contributor guide

Research direction
Review the previous PR #152 for nRF51 ADC changes and adapt them for nRF52 ADC registers.
Tech stack
c
Domain
embedded iot
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75