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Viewing changes to src/rc-interface/testing.cc

  • Committer: Tim Marston
  • Date: 2014-02-19 22:35:05 UTC
  • Revision ID: tim@ed.am-20140219223505-gtci1g8r2o3dsiha
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src/rc-interface/testing.cc
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//
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// testing.cc
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//
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#include "testing.h"
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#include "config.h"
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#include <Arduino.h>
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// the width of the display of a single channel (in chars)
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#define GRAPH_SIZE 7
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void Testing::setup()
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{
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        Serial.begin( 9600 );
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}
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void Testing::draw_receiver_channels( unsigned long channel_values[] )
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{
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        // init graph
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        static char graph[ GRAPH_SIZE + 2 ];
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        static char inited_graph = false;
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        if( !inited_graph ) {
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                for( int a = 1; a < GRAPH_SIZE + 1; a++ )
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                        graph[ a ] = '_';
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                graph[ 0 ] = '|';
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                graph[ GRAPH_SIZE + 1 ] = 0;
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                inited_graph = true;
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        }
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        // draw channels
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        for( int a = 0; a < NUM_CHANNELS; a++ ) {
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                unsigned long value = min( channel_values[ a ], MAX_CHANNEL_VALUE );
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                int pos = ( GRAPH_SIZE ) * value / MAX_CHANNEL_VALUE;
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                graph[ pos + 1 ] = '^';
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                Serial.print( graph );
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                graph[ pos + 1 ] = '_';
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        }
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        Serial.println( "|" );
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}