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README: Minor updates after review

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Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
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Daniel Thompson 2020-06-25 22:25:18 +01:00
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README.rst
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@ -4,13 +4,13 @@ Watch Application System in Python
Introduction
------------
Currently in its infancy wasp-os provides only a little more than a simple
digital clock application for `PineTime <https://www.pine64.org/pinetime/>`_
together with access to the MicroPython REPL for interactive testing and
tweaking. However it keeps time well and has enough power saving
functions implemented that it can survive for well over 72 hours between
charges so even at this early stage it is functional as a wearable
timepiece.
Although still in its infancy wasp-os provides many example applications
including a simple digital clock, a stopwatch, a step counter and a heart rate
monitor. All of these, together with access to the MicroPython REPL for
interactive tweaking and testing, are running on `PineTime
<https://www.pine64.org/pinetime/>`_. It keeps time well and has enough power
saving functions implemented that it can survive for well over 72 hours between
charges so even at this early stage it is functional as a wearable timepiece.
Wasp-os includes a robust bootloader based on the Adafruit NRF52
Bootloader. It has been extended to make it robust for development on
@ -54,7 +54,7 @@ Building wasp-os and launching the wasp-os simulator requires Python 3.6
(or later) and the following python modules: click, numpy, pexpect, PIL
(or Pillow), pyserial, pysdl2.
On Debian Buster the requires python modules can be obtain with the
On Debian Buster the required python modules can be obtained using the
following commands:
.. code-block:: sh
@ -65,15 +65,16 @@ following commands:
python3-pil python3-pip python3-serial
pip3 install --user pysdl2
You will need a toolchain for the Arm Cortex-M4. wasp-os is developed and
You will also need a toolchain for the Arm Cortex-M4. wasp-os is developed and
tested using the `GNU-RM toolchain
<https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm>`_
(9-2019-q4) from Arm.
.. note::
There are known problems with toolchains older than gcc-7.3 due to problems
with link-time-optimization (which is enabled by default).
There are known problems with toolchains older than gcc-7.3 when
link time optimization is enabled during the MicroPython build
(and LTO is enabled by default).
Get the code from
`https://github.com/daniel-thompson/wasp-os <https://github.com/daniel-thompson/wasp-os>`_ :
@ -132,7 +133,7 @@ To install the main firmware using an Android device:
* Connect to PineDFU using nRFConnect, click the DFU button and send
``micropython.zip`` to the device.
To install the main firmware from a GNU/Linux workstation:
Alternatively, to install the main firmware from a GNU/Linux workstation:
* Look up the MAC address for your watch (try: ``sudo hcitool lescan``\ ).
* Use ota-dfu to upload ``micropython.zip`` to the device. For example: