doc updates

CHANGELOG.md

@@ -6,11 +6,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased](https://github.com/quartiq/thermostat-eem/compare/v0.1.0...master)
+## [v0.2.0](https://github.com/quartiq/thermostat-eem/compare/v0.1.0...v0.2.0)
 
 ### Changed
 * A DNS name for the MQTT broker of `mqtt` is now used instead of a hard-coded IP address.
 * A static IP can be assigned to Thermostat using the `STATIC_IP` environment variable at build
   time. If one is not specified, DHCP is used automatically.
 * Miniconf versions have been updated to v0.9.0
+* Configuration is now done in terms of PID parameters
+* Settings tree has changed its layout
+
+### Added
+
 * Application metadata is now published to the `<prefix>/meta` topic on MQTT connections
+* Data streaming

src/hardware/adc.rs

@@ -136,7 +136,7 @@ pub struct AdcPins {
 #[derive(Clone, Copy, Debug)]
 pub struct AdcConfig {
     /// Configuration for all ADC inputs. Four ADCs with four inputs each.
-    /// Some(([AdcInput], [AdcInput])) positive and negative channel inputs or None to disable the channel.
+    /// `Some(([AdcInput], [AdcInput]))` positive and negative channel inputs or None to disable the channel.
     pub input_config: [[Option<(ad7172::Mux, ad7172::Mux)>; 4]; 4],
 }