Merge pull request #28 from chirp/develop

Merge to master [v3.4.1]

Author: Damien Laidin

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 Recent changes to the [Chirp Arduino SDK](https://developers.chirp.io/docs).
 
+## v3.4.1 (09/12/2019)
+ - Add support for Teensy boards (cortex-m4 hard float build)
+
 ## v3.4.0 (18/09/2019)
  - All functions have been renamed to `chirp_sdk*` from `chirp_connect*`
  - `chirp_sdk_get_heap_usage` has been added. This gives you the current dynamic memory allocated and used at any time by the SDK.

PLATFORMS.md

@@ -6,10 +6,12 @@ Chirp is a library enabling Arduino-based devices to send and receive data using
  * A digital I2S MEMS microphone (if your board does not contain a microphone)
  * A digital I2S amplifier and compatible speaker
 
+See a full list of supported platforms at the [Chirp Developer Hub](https://developers.chirp.io/docs/using-chirp/platforms#arduino)
+
 For receiving data, you will need a digital MEMS microphone. Some boards (for example, the Nano 33 Sense and Microsoft MXChip) already include a MEMS mic so you are good to go. For others, you will need an external mic such as the [SPH0645](https://www.adafruit.com/product/3421) or [ICS-43434](https://www.mouser.co.uk/ProductDetail/TDK-InvenSense/ICS-43434?qs=u4fy%2FsgLU9PAgmWRI7%252BqXA%3D%3D).
 
 For sending data, we recommend using a digital I2S audio output such as the [UDA1334A](https://www.adafruit.com/product/3678) or [MAX98357A](https://www.adafruit.com/product/3006), connected to a compatible speaker.
 
 You can quickly test that your device is receiving chirps by playing some random test signals from the [Developer Hub](https://developers.chirp.io).
 
-To test whether your device is sending chirps OK, we recommend setting up the [Python command-line tools](https://developers.chirp.io/docs/tutorials/command-line) to receive data from the Arduino.
+To test whether your device is sending chirps OK, we recommend setting up the [Python command-line tools](https://developers.chirp.io/docs/tutorials/command-line) to receive data from the Arduino.

library.properties

@@ -1,11 +1,11 @@
 name=ChirpSDK
-version=3.4.0
+version=3.4.1
 author=Asio Ltd <developers@chirp.io>
 maintainer=Joe Todd <joe@chirp.io>
 sentence=Chirp SDK
 paragraph=Send and receive data over sound
 category=Communication
-url=https://developers.chirp.io
-architectures=cortex-m4,esp32,cortex-m0plus,stm32f4,samd,mbed
+url=https://developers.chirp.io/docs/getting-started/arduino
+architectures=cortex-m4,esp32,cortex-m0plus,stm32f4,samd,mbed,avr,mk64fx512
 precompiled=true
 ldflags=-lChirpSDK