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Adding link to Pmod_NAV tutorial #62

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74 changes: 69 additions & 5 deletions src/pmod_nav.erl
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Original file line number Diff line number Diff line change
@@ -1,8 +1,72 @@
% LSM9DS1 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer:
% http://www.st.com/web/en/resource/technical/document/datasheet/DM00103319.pdf
%
% LPS25HB digital barometer
% http://www.st.com/web/en/resource/technical/document/datasheet/DM00141379.pdf
%%%-------------------------------------------------------------------
%%% @doc Driver module for the Pmod_NAV 9-axis sensor device.
%%%
%%% <h2>WARNING : </h2>
%%%
%%% PMODs are intended to be connected at startup and never added or
%%% removed while the board is being powered on. Doing so may result in
%%% damage to the PMOD depending on its specification and build quality.
%%% <b>Always power down the board before adding or removing PMODs!</b>
%%%
%%% For further information please refer to the dedicated GRiSP Wiki page :
%%%
%%% <b>PmodNAV Tutorial : </b>
%%% <a href="https://github.com/grisp/grisp/wiki/PmodNAV-Tutorial"><b>Pmod_NAV</b></a>.
%%%
%%% This device provides sensor data from one of these three
%%% main components :
%%%
%%% <ul>
%%% <li> Accelerometer => acc </li>
%%% <li> Gyroscope => alt </li>
%%% <li> Magnetometer => mag </li>
%%% </ul>
%%%
%%% These components are able to provide raw data measurements for :
%%%
%%% <ul>
%%% <li> Acceloremeter values in G's for X, Y and Z axises </li>
%%% <li> Gyroscope values in DPS for X, Y and Z axises </li>
%%% <li> Magnetometer values in Gauss for X, Y and Z axises </li>
%%% <li> Pressure value in hPa </li>
%%% <li> Temperature value in degrees Celcius </li>
%%% </ul>
%%%
%%% The GRiSP application can be setup through the `sys.config'
%%% by specifying that a Pmod_NAV device is connected to the
%%% SPI1 slot :
%%%
%%% ```
%%% {grisp , [
%%% {drivers , [
%%% {spi , grisp_spi_drv}
%%% ]} ,
%%% {devices , [
%%% {spi1 , pmod_nav}
%%% ]}
%%% ]}.
%%% '''
%%%
%%% Or added at runtime by calling :
%%%
%%% ```
%%% 1> grisp:add_device(spi1, pmod_nav).
%%% {device,spi1,pmod_nav,<0.124.0>,
%%% #Ref<0.4148633910.4154982401.135288>}
%%% '''
%%%
%%% Data can be retrieved as follows :
%%%
%%% ```
%%% Temperature = pmod_nav:read(acc, [out_temp]).
%%% '''
%%%
%%% Where `acc' is the component providing the
%%% data and `[out_temp]' is the list of registers
%%% that is read.
%%%
%%% @end
%%%-------------------------------------------------------------------
-module(pmod_nav).

-behavior(gen_server).
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